diff options
Diffstat (limited to 'SunSpider/tests/v8-raytrace.js')
| -rw-r--r-- | SunSpider/tests/v8-raytrace.js | 3415 |
1 files changed, 0 insertions, 3415 deletions
diff --git a/SunSpider/tests/v8-raytrace.js b/SunSpider/tests/v8-raytrace.js deleted file mode 100644 index be2cdfc..0000000 --- a/SunSpider/tests/v8-raytrace.js +++ /dev/null @@ -1,3415 +0,0 @@ -// The ray tracer code in this file is written by Adam Burmister. It -// is available in its original form from: -// -// http://labs.flog.nz.co/raytracer/ -// -// It has been modified slightly by Google to work as a standalone -// benchmark, but the all the computational code remains -// untouched. This file also contains a copy of the Prototype -// JavaScript framework which is used by the ray tracer. - -// Create dummy objects if we're not running in a browser. -if (typeof document == 'undefined') { - document = { }; - window = { opera: null }; - navigator = { userAgent: null, appVersion: "" }; -} - - -// ------------------------------------------------------------------------ -// ------------------------------------------------------------------------ - - -/* Prototype JavaScript framework, version 1.5.0 - * (c) 2005-2007 Sam Stephenson - * - * Prototype is freely distributable under the terms of an MIT-style license. - * For details, see the Prototype web site: http://prototype.conio.net/ - * -/*--------------------------------------------------------------------------*/ - -//-------------------- -var Prototype = { - Version: '1.5.0', - BrowserFeatures: { - XPath: !!document.evaluate - }, - - ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', - emptyFunction: function() {}, - K: function(x) { return x } -} - -var Class = { - create: function() { - return function() { - this.initialize.apply(this, arguments); - } - } -} - -var Abstract = new Object(); - -Object.extend = function(destination, source) { - for (var property in source) { - destination[property] = source[property]; - } - return destination; -} - -Object.extend(Object, { - inspect: function(object) { - try { - if (object === undefined) return 'undefined'; - if (object === null) return 'null'; - return object.inspect ? object.inspect() : object.toString(); - } catch (e) { - if (e instanceof RangeError) return '...'; - throw e; - } - }, - - keys: function(object) { - var keys = []; - for (var property in object) - keys.push(property); - return keys; - }, - - values: function(object) { - var values = []; - for (var property in object) - values.push(object[property]); - return values; - }, - - clone: function(object) { - return Object.extend({}, object); - } -}); - -Function.prototype.bind = function() { - var __method = this, args = $A(arguments), object = args.shift(); - return function() { - return __method.apply(object, args.concat($A(arguments))); - } -} - -Function.prototype.bindAsEventListener = function(object) { - var __method = this, args = $A(arguments), object = args.shift(); - return function(event) { - return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments))); - } -} - -Object.extend(Number.prototype, { - toColorPart: function() { - var digits = this.toString(16); - if (this < 16) return '0' + digits; - return digits; - }, - - succ: function() { - return this + 1; - }, - - times: function(iterator) { - $R(0, this, true).each(iterator); - return this; - } -}); - -var Try = { - these: function() { - var returnValue; - - for (var i = 0, length = arguments.length; i < length; i++) { - var lambda = arguments[i]; - try { - returnValue = lambda(); - break; - } catch (e) {} - } - - return returnValue; - } -} - -/*--------------------------------------------------------------------------*/ - -var PeriodicalExecuter = Class.create(); -PeriodicalExecuter.prototype = { - initialize: function(callback, frequency) { - this.callback = callback; - this.frequency = frequency; - this.currentlyExecuting = false; - - this.registerCallback(); - }, - - registerCallback: function() { - this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); - }, - - stop: function() { - if (!this.timer) return; - clearInterval(this.timer); - this.timer = null; - }, - - onTimerEvent: function() { - if (!this.currentlyExecuting) { - try { - this.currentlyExecuting = true; - this.callback(this); - } finally { - this.currentlyExecuting = false; - } - } - } -} -String.interpret = function(value){ - return value == null ? '' : String(value); -} - -Object.extend(String.prototype, { - gsub: function(pattern, replacement) { - var result = '', source = this, match; - replacement = arguments.callee.prepareReplacement(replacement); - - while (source.length > 0) { - if (match = source.match(pattern)) { - result += source.slice(0, match.index); - result += String.interpret(replacement(match)); - source = source.slice(match.index + match[0].length); - } else { - result += source, source = ''; - } - } - return result; - }, - - sub: function(pattern, replacement, count) { - replacement = this.gsub.prepareReplacement(replacement); - count = count === undefined ? 1 : count; - - return this.gsub(pattern, function(match) { - if (--count < 0) return match[0]; - return replacement(match); - }); - }, - - scan: function(pattern, iterator) { - this.gsub(pattern, iterator); - return this; - }, - - truncate: function(length, truncation) { - length = length || 30; - truncation = truncation === undefined ? '...' : truncation; - return this.length > length ? - this.slice(0, length - truncation.length) + truncation : this; - }, - - strip: function() { - return this.replace(/^\s+/, '').replace(/\s+$/, ''); - }, - - stripTags: function() { - return this.replace(/<\/?[^>]+>/gi, ''); - }, - - stripScripts: function() { - return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); - }, - - extractScripts: function() { - var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); - var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); - return (this.match(matchAll) || []).map(function(scriptTag) { - return (scriptTag.match(matchOne) || ['', ''])[1]; - }); - }, - - evalScripts: function() { - return this.extractScripts().map(function(script) { return eval(script) }); - }, - - escapeHTML: function() { - var div = document.createElement('div'); - var text = document.createTextNode(this); - div.appendChild(text); - return div.innerHTML; - }, - - unescapeHTML: function() { - var div = document.createElement('div'); - div.innerHTML = this.stripTags(); - return div.childNodes[0] ? (div.childNodes.length > 1 ? - $A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) : - div.childNodes[0].nodeValue) : ''; - }, - - toQueryParams: function(separator) { - var match = this.strip().match(/([^?#]*)(#.*)?$/); - if (!match) return {}; - - return match[1].split(separator || '&').inject({}, function(hash, pair) { - if ((pair = pair.split('='))[0]) { - var name = decodeURIComponent(pair[0]); - var value = pair[1] ? decodeURIComponent(pair[1]) : undefined; - - if (hash[name] !== undefined) { - if (hash[name].constructor != Array) - hash[name] = [hash[name]]; - if (value) hash[name].push(value); - } - else hash[name] = value; - } - return hash; - }); - }, - - toArray: function() { - return this.split(''); - }, - - succ: function() { - return this.slice(0, this.length - 1) + - String.fromCharCode(this.charCodeAt(this.length - 1) + 1); - }, - - camelize: function() { - var parts = this.split('-'), len = parts.length; - if (len == 1) return parts[0]; - - var camelized = this.charAt(0) == '-' - ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) - : parts[0]; - - for (var i = 1; i < len; i++) - camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); - - return camelized; - }, - - capitalize: function(){ - return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); - }, - - underscore: function() { - return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); - }, - - dasherize: function() { - return this.gsub(/_/,'-'); - }, - - inspect: function(useDoubleQuotes) { - var escapedString = this.replace(/\\/g, '\\\\'); - if (useDoubleQuotes) - return '"' + escapedString.replace(/"/g, '\\"') + '"'; - else - return "'" + escapedString.replace(/'/g, '\\\'') + "'"; - } -}); - -String.prototype.gsub.prepareReplacement = function(replacement) { - if (typeof replacement == 'function') return replacement; - var template = new Template(replacement); - return function(match) { return template.evaluate(match) }; -} - -String.prototype.parseQuery = String.prototype.toQueryParams; - -var Template = Class.create(); -Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; -Template.prototype = { - initialize: function(template, pattern) { - this.template = template.toString(); - this.pattern = pattern || Template.Pattern; - }, - - evaluate: function(object) { - return this.template.gsub(this.pattern, function(match) { - var before = match[1]; - if (before == '\\') return match[2]; - return before + String.interpret(object[match[3]]); - }); - } -} - -var $break = new Object(); -var $continue = new Object(); - -var Enumerable = { - each: function(iterator) { - var index = 0; - try { - this._each(function(value) { - try { - iterator(value, index++); - } catch (e) { - if (e != $continue) throw e; - } - }); - } catch (e) { - if (e != $break) throw e; - } - return this; - }, - - eachSlice: function(number, iterator) { - var index = -number, slices = [], array = this.toArray(); - while ((index += number) < array.length) - slices.push(array.slice(index, index+number)); - return slices.map(iterator); - }, - - all: function(iterator) { - var result = true; - this.each(function(value, index) { - result = result && !!(iterator || Prototype.K)(value, index); - if (!result) throw $break; - }); - return result; - }, - - any: function(iterator) { - var result = false; - this.each(function(value, index) { - if (result = !!(iterator || Prototype.K)(value, index)) - throw $break; - }); - return result; - }, - - collect: function(iterator) { - var results = []; - this.each(function(value, index) { - results.push((iterator || Prototype.K)(value, index)); - }); - return results; - }, - - detect: function(iterator) { - var result; - this.each(function(value, index) { - if (iterator(value, index)) { - result = value; - throw $break; - } - }); - return result; - }, - - findAll: function(iterator) { - var results = []; - this.each(function(value, index) { - if (iterator(value, index)) - results.push(value); - }); - return results; - }, - - grep: function(pattern, iterator) { - var results = []; - this.each(function(value, index) { - var stringValue = value.toString(); - if (stringValue.match(pattern)) - results.push((iterator || Prototype.K)(value, index)); - }) - return results; - }, - - include: function(object) { - var found = false; - this.each(function(value) { - if (value == object) { - found = true; - throw $break; - } - }); - return found; - }, - - inGroupsOf: function(number, fillWith) { - fillWith = fillWith === undefined ? null : fillWith; - return this.eachSlice(number, function(slice) { - while(slice.length < number) slice.push(fillWith); - return slice; - }); - }, - - inject: function(memo, iterator) { - this.each(function(value, index) { - memo = iterator(memo, value, index); - }); - return memo; - }, - - invoke: function(method) { - var args = $A(arguments).slice(1); - return this.map(function(value) { - return value[method].apply(value, args); - }); - }, - - max: function(iterator) { - var result; - this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value >= result) - result = value; - }); - return result; - }, - - min: function(iterator) { - var result; - this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value < result) - result = value; - }); - return result; - }, - - partition: function(iterator) { - var trues = [], falses = []; - this.each(function(value, index) { - ((iterator || Prototype.K)(value, index) ? - trues : falses).push(value); - }); - return [trues, falses]; - }, - - pluck: function(property) { - var results = []; - this.each(function(value, index) { - results.push(value[property]); - }); - return results; - }, - - reject: function(iterator) { - var results = []; - this.each(function(value, index) { - if (!iterator(value, index)) - results.push(value); - }); - return results; - }, - - sortBy: function(iterator) { - return this.map(function(value, index) { - return {value: value, criteria: iterator(value, index)}; - }).sort(function(left, right) { - var a = left.criteria, b = right.criteria; - return a < b ? -1 : a > b ? 1 : 0; - }).pluck('value'); - }, - - toArray: function() { - return this.map(); - }, - - zip: function() { - var iterator = Prototype.K, args = $A(arguments); - if (typeof args.last() == 'function') - iterator = args.pop(); - - var collections = [this].concat(args).map($A); - return this.map(function(value, index) { - return iterator(collections.pluck(index)); - }); - }, - - size: function() { - return this.toArray().length; - }, - - inspect: function() { - return '#<Enumerable:' + this.toArray().inspect() + '>'; - } -} - -Object.extend(Enumerable, { - map: Enumerable.collect, - find: Enumerable.detect, - select: Enumerable.findAll, - member: Enumerable.include, - entries: Enumerable.toArray -}); -var $A = Array.from = function(iterable) { - if (!iterable) return []; - if (iterable.toArray) { - return iterable.toArray(); - } else { - var results = []; - for (var i = 0, length = iterable.length; i < length; i++) - results.push(iterable[i]); - return results; - } -} - -Object.extend(Array.prototype, Enumerable); - -if (!Array.prototype._reverse) - Array.prototype._reverse = Array.prototype.reverse; - -Object.extend(Array.prototype, { - _each: function(iterator) { - for (var i = 0, length = this.length; i < length; i++) - iterator(this[i]); - }, - - clear: function() { - this.length = 0; - return this; - }, - - first: function() { - return this[0]; - }, - - last: function() { - return this[this.length - 1]; - }, - - compact: function() { - return this.select(function(value) { - return value != null; - }); - }, - - flatten: function() { - return this.inject([], function(array, value) { - return array.concat(value && value.constructor == Array ? - value.flatten() : [value]); - }); - }, - - without: function() { - var values = $A(arguments); - return this.select(function(value) { - return !values.include(value); - }); - }, - - indexOf: function(object) { - for (var i = 0, length = this.length; i < length; i++) - if (this[i] == object) return i; - return -1; - }, - - reverse: function(inline) { - return (inline !== false ? this : this.toArray())._reverse(); - }, - - reduce: function() { - return this.length > 1 ? this : this[0]; - }, - - uniq: function() { - return this.inject([], function(array, value) { - return array.include(value) ? array : array.concat([value]); - }); - }, - - clone: function() { - return [].concat(this); - }, - - size: function() { - return this.length; - }, - - inspect: function() { - return '[' + this.map(Object.inspect).join(', ') + ']'; - } -}); - -Array.prototype.toArray = Array.prototype.clone; - -function $w(string){ - string = string.strip(); - return string ? string.split(/\s+/) : []; -} - -if(window.opera){ - Array.prototype.concat = function(){ - var array = []; - for(var i = 0, length = this.length; i < length; i++) array.push(this[i]); - for(var i = 0, length = arguments.length; i < length; i++) { - if(arguments[i].constructor == Array) { - for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) - array.push(arguments[i][j]); - } else { - array.push(arguments[i]); - } - } - return array; - } -} -var Hash = function(obj) { - Object.extend(this, obj || {}); -}; - -Object.extend(Hash, { - toQueryString: function(obj) { - var parts = []; - - this.prototype._each.call(obj, function(pair) { - if (!pair.key) return; - - if (pair.value && pair.value.constructor == Array) { - var values = pair.value.compact(); - if (values.length < 2) pair.value = values.reduce(); - else { - key = encodeURIComponent(pair.key); - values.each(function(value) { - value = value != undefined ? encodeURIComponent(value) : ''; - parts.push(key + '=' + encodeURIComponent(value)); - }); - return; - } - } - if (pair.value == undefined) pair[1] = ''; - parts.push(pair.map(encodeURIComponent).join('=')); - }); - - return parts.join('&'); - } -}); - -Object.extend(Hash.prototype, Enumerable); -Object.extend(Hash.prototype, { - _each: function(iterator) { - for (var key in this) { - var value = this[key]; - if (value && value == Hash.prototype[key]) continue; - - var pair = [key, value]; - pair.key = key; - pair.value = value; - iterator(pair); - } - }, - - keys: function() { - return this.pluck('key'); - }, - - values: function() { - return this.pluck('value'); - }, - - merge: function(hash) { - return $H(hash).inject(this, function(mergedHash, pair) { - mergedHash[pair.key] = pair.value; - return mergedHash; - }); - }, - - remove: function() { - var result; - for(var i = 0, length = arguments.length; i < length; i++) { - var value = this[arguments[i]]; - if (value !== undefined){ - if (result === undefined) result = value; - else { - if (result.constructor != Array) result = [result]; - result.push(value) - } - } - delete this[arguments[i]]; - } - return result; - }, - - toQueryString: function() { - return Hash.toQueryString(this); - }, - - inspect: function() { - return '#<Hash:{' + this.map(function(pair) { - return pair.map(Object.inspect).join(': '); - }).join(', ') + '}>'; - } -}); - -function $H(object) { - if (object && object.constructor == Hash) return object; - return new Hash(object); -}; -ObjectRange = Class.create(); -Object.extend(ObjectRange.prototype, Enumerable); -Object.extend(ObjectRange.prototype, { - initialize: function(start, end, exclusive) { - this.start = start; - this.end = end; - this.exclusive = exclusive; - }, - - _each: function(iterator) { - var value = this.start; - while (this.include(value)) { - iterator(value); - value = value.succ(); - } - }, - - include: function(value) { - if (value < this.start) - return false; - if (this.exclusive) - return value < this.end; - return value <= this.end; - } -}); - -var $R = function(start, end, exclusive) { - return new ObjectRange(start, end, exclusive); -} - -var Ajax = { - getTransport: function() { - return Try.these( - function() {return new XMLHttpRequest()}, - function() {return new ActiveXObject('Msxml2.XMLHTTP')}, - function() {return new ActiveXObject('Microsoft.XMLHTTP')} - ) || false; - }, - - activeRequestCount: 0 -} - -Ajax.Responders = { - responders: [], - - _each: function(iterator) { - this.responders._each(iterator); - }, - - register: function(responder) { - if (!this.include(responder)) - this.responders.push(responder); - }, - - unregister: function(responder) { - this.responders = this.responders.without(responder); - }, - - dispatch: function(callback, request, transport, json) { - this.each(function(responder) { - if (typeof responder[callback] == 'function') { - try { - responder[callback].apply(responder, [request, transport, json]); - } catch (e) {} - } - }); - } -}; - -Object.extend(Ajax.Responders, Enumerable); - -Ajax.Responders.register({ - onCreate: function() { - Ajax.activeRequestCount++; - }, - onComplete: function() { - Ajax.activeRequestCount--; - } -}); - -Ajax.Base = function() {}; -Ajax.Base.prototype = { - setOptions: function(options) { - this.options = { - method: 'post', - asynchronous: true, - contentType: 'application/x-www-form-urlencoded', - encoding: 'UTF-8', - parameters: '' - } - Object.extend(this.options, options || {}); - - this.options.method = this.options.method.toLowerCase(); - if (typeof this.options.parameters == 'string') - this.options.parameters = this.options.parameters.toQueryParams(); - } -} - -Ajax.Request = Class.create(); -Ajax.Request.Events = - ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; - -Ajax.Request.prototype = Object.extend(new Ajax.Base(), { - _complete: false, - - initialize: function(url, options) { - this.transport = Ajax.getTransport(); - this.setOptions(options); - this.request(url); - }, - - request: function(url) { - this.url = url; - this.method = this.options.method; - var params = this.options.parameters; - - if (!['get', 'post'].include(this.method)) { - // simulate other verbs over post - params['_method'] = this.method; - this.method = 'post'; - } - - params = Hash.toQueryString(params); - if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_=' - - // when GET, append parameters to URL - if (this.method == 'get' && params) - this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params; - - try { - Ajax.Responders.dispatch('onCreate', this, this.transport); - - this.transport.open(this.method.toUpperCase(), this.url, - this.options.asynchronous); - - if (this.options.asynchronous) - setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); - - this.transport.onreadystatechange = this.onStateChange.bind(this); - this.setRequestHeaders(); - - var body = this.method == 'post' ? (this.options.postBody || params) : null; - - this.transport.send(body); - - /* Force Firefox to handle ready state 4 for synchronous requests */ - if (!this.options.asynchronous && this.transport.overrideMimeType) - this.onStateChange(); - - } - catch (e) { - this.dispatchException(e); - } - }, - - onStateChange: function() { - var readyState = this.transport.readyState; - if (readyState > 1 && !((readyState == 4) && this._complete)) - this.respondToReadyState(this.transport.readyState); - }, - - setRequestHeaders: function() { - var headers = { - 'X-Requested-With': 'XMLHttpRequest', - 'X-Prototype-Version': Prototype.Version, - 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' - }; - - if (this.method == 'post') { - headers['Content-type'] = this.options.contentType + - (this.options.encoding ? '; charset=' + this.options.encoding : ''); - - /* Force "Connection: close" for older Mozilla browsers to work - * around a bug where XMLHttpRequest sends an incorrect - * Content-length header. See Mozilla Bugzilla #246651. - */ - if (this.transport.overrideMimeType && - (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) - headers['Connection'] = 'close'; - } - - // user-defined headers - if (typeof this.options.requestHeaders == 'object') { - var extras = this.options.requestHeaders; - - if (typeof extras.push == 'function') - for (var i = 0, length = extras.length; i < length; i += 2) - headers[extras[i]] = extras[i+1]; - else - $H(extras).each(function(pair) { headers[pair.key] = pair.value }); - } - - for (var name in headers) - this.transport.setRequestHeader(name, headers[name]); - }, - - success: function() { - return !this.transport.status - || (this.transport.status >= 200 && this.transport.status < 300); - }, - - respondToReadyState: function(readyState) { - var state = Ajax.Request.Events[readyState]; - var transport = this.transport, json = this.evalJSON(); - - if (state == 'Complete') { - try { - this._complete = true; - (this.options['on' + this.transport.status] - || this.options['on' + (this.success() ? 'Success' : 'Failure')] - || Prototype.emptyFunction)(transport, json); - } catch (e) { - this.dispatchException(e); - } - - if ((this.getHeader('Content-type') || 'text/javascript').strip(). - match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) - this.evalResponse(); - } - - try { - (this.options['on' + state] || Prototype.emptyFunction)(transport, json); - Ajax.Responders.dispatch('on' + state, this, transport, json); - } catch (e) { - this.dispatchException(e); - } - - if (state == 'Complete') { - // avoid memory leak in MSIE: clean up - this.transport.onreadystatechange = Prototype.emptyFunction; - } - }, - - getHeader: function(name) { - try { - return this.transport.getResponseHeader(name); - } catch (e) { return null } - }, - - evalJSON: function() { - try { - var json = this.getHeader('X-JSON'); - return json ? eval('(' + json + ')') : null; - } catch (e) { return null } - }, - - evalResponse: function() { - try { - return eval(this.transport.responseText); - } catch (e) { - this.dispatchException(e); - } - }, - - dispatchException: function(exception) { - (this.options.onException || Prototype.emptyFunction)(this, exception); - Ajax.Responders.dispatch('onException', this, exception); - } -}); - -Ajax.Updater = Class.create(); - -Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { - initialize: function(container, url, options) { - this.container = { - success: (container.success || container), - failure: (container.failure || (container.success ? null : container)) - } - - this.transport = Ajax.getTransport(); - this.setOptions(options); - - var onComplete = this.options.onComplete || Prototype.emptyFunction; - this.options.onComplete = (function(transport, param) { - this.updateContent(); - onComplete(transport, param); - }).bind(this); - - this.request(url); - }, - - updateContent: function() { - var receiver = this.container[this.success() ? 'success' : 'failure']; - var response = this.transport.responseText; - - if (!this.options.evalScripts) response = response.stripScripts(); - - if (receiver = $(receiver)) { - if (this.options.insertion) - new this.options.insertion(receiver, response); - else - receiver.update(response); - } - - if (this.success()) { - if (this.onComplete) - setTimeout(this.onComplete.bind(this), 10); - } - } -}); - -Ajax.PeriodicalUpdater = Class.create(); -Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { - initialize: function(container, url, options) { - this.setOptions(options); - this.onComplete = this.options.onComplete; - - this.frequency = (this.options.frequency || 2); - this.decay = (this.options.decay || 1); - - this.updater = {}; - this.container = container; - this.url = url; - - this.start(); - }, - - start: function() { - this.options.onComplete = this.updateComplete.bind(this); - this.onTimerEvent(); - }, - - stop: function() { - this.updater.options.onComplete = undefined; - clearTimeout(this.timer); - (this.onComplete || Prototype.emptyFunction).apply(this, arguments); - }, - - updateComplete: function(request) { - if (this.options.decay) { - this.decay = (request.responseText == this.lastText ? - this.decay * this.options.decay : 1); - - this.lastText = request.responseText; - } - this.timer = setTimeout(this.onTimerEvent.bind(this), - this.decay * this.frequency * 1000); - }, - - onTimerEvent: function() { - this.updater = new Ajax.Updater(this.container, this.url, this.options); - } -}); -function $(element) { - if (arguments.length > 1) { - for (var i = 0, elements = [], length = arguments.length; i < length; i++) - elements.push($(arguments[i])); - return elements; - } - if (typeof element == 'string') - element = document.getElementById(element); - return Element.extend(element); -} - -if (Prototype.BrowserFeatures.XPath) { - document._getElementsByXPath = function(expression, parentElement) { - var results = []; - var query = document.evaluate(expression, $(parentElement) || document, - null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); - for (var i = 0, length = query.snapshotLength; i < length; i++) - results.push(query.snapshotItem(i)); - return results; - }; -} - -document.getElementsByClassName = function(className, parentElement) { - if (Prototype.BrowserFeatures.XPath) { - var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; - return document._getElementsByXPath(q, parentElement); - } else { - var children = ($(parentElement) || document.body).getElementsByTagName('*'); - var elements = [], child; - for (var i = 0, length = children.length; i < length; i++) { - child = children[i]; - if (Element.hasClassName(child, className)) - elements.push(Element.extend(child)); - } - return elements; - } -}; - -/*--------------------------------------------------------------------------*/ - -if (!window.Element) - var Element = new Object(); - -Element.extend = function(element) { - if (!element || _nativeExtensions || element.nodeType == 3) return element; - - if (!element._extended && element.tagName && element != window) { - var methods = Object.clone(Element.Methods), cache = Element.extend.cache; - - if (element.tagName == 'FORM') - Object.extend(methods, Form.Methods); - if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName)) - Object.extend(methods, Form.Element.Methods); - - Object.extend(methods, Element.Methods.Simulated); - - for (var property in methods) { - var value = methods[property]; - if (typeof value == 'function' && !(property in element)) - element[property] = cache.findOrStore(value); - } - } - - element._extended = true; - return element; -}; - -Element.extend.cache = { - findOrStore: function(value) { - return this[value] = this[value] || function() { - return value.apply(null, [this].concat($A(arguments))); - } - } -}; - -Element.Methods = { - visible: function(element) { - return $(element).style.display != 'none'; - }, - - toggle: function(element) { - element = $(element); - Element[Element.visible(element) ? 'hide' : 'show'](element); - return element; - }, - - hide: function(element) { - $(element).style.display = 'none'; - return element; - }, - - show: function(element) { - $(element).style.display = ''; - return element; - }, - - remove: function(element) { - element = $(element); - element.parentNode.removeChild(element); - return element; - }, - - update: function(element, html) { - html = typeof html == 'undefined' ? '' : html.toString(); - $(element).innerHTML = html.stripScripts(); - setTimeout(function() {html.evalScripts()}, 10); - return element; - }, - - replace: function(element, html) { - element = $(element); - html = typeof html == 'undefined' ? '' : html.toString(); - if (element.outerHTML) { - element.outerHTML = html.stripScripts(); - } else { - var range = element.ownerDocument.createRange(); - range.selectNodeContents(element); - element.parentNode.replaceChild( - range.createContextualFragment(html.stripScripts()), element); - } - setTimeout(function() {html.evalScripts()}, 10); - return element; - }, - - inspect: function(element) { - element = $(element); - var result = '<' + element.tagName.toLowerCase(); - $H({'id': 'id', 'className': 'class'}).each(function(pair) { - var property = pair.first(), attribute = pair.last(); - var value = (element[property] || '').toString(); - if (value) result += ' ' + attribute + '=' + value.inspect(true); - }); - return result + '>'; - }, - - recursivelyCollect: function(element, property) { - element = $(element); - var elements = []; - while (element = element[property]) - if (element.nodeType == 1) - elements.push(Element.extend(element)); - return elements; - }, - - ancestors: function(element) { - return $(element).recursivelyCollect('parentNode'); - }, - - descendants: function(element) { - return $A($(element).getElementsByTagName('*')); - }, - - immediateDescendants: function(element) { - if (!(element = $(element).firstChild)) return []; - while (element && element.nodeType != 1) element = element.nextSibling; - if (element) return [element].concat($(element).nextSiblings()); - return []; - }, - - previousSiblings: function(element) { - return $(element).recursivelyCollect('previousSibling'); - }, - - nextSiblings: function(element) { - return $(element).recursivelyCollect('nextSibling'); - }, - - siblings: function(element) { - element = $(element); - return element.previousSiblings().reverse().concat(element.nextSiblings()); - }, - - match: function(element, selector) { - if (typeof selector == 'string') - selector = new Selector(selector); - return selector.match($(element)); - }, - - up: function(element, expression, index) { - return Selector.findElement($(element).ancestors(), expression, index); - }, - - down: function(element, expression, index) { - return Selector.findElement($(element).descendants(), expression, index); - }, - - previous: function(element, expression, index) { - return Selector.findElement($(element).previousSiblings(), expression, index); - }, - - next: function(element, expression, index) { - return Selector.findElement($(element).nextSiblings(), expression, index); - }, - - getElementsBySelector: function() { - var args = $A(arguments), element = $(args.shift()); - return Selector.findChildElements(element, args); - }, - - getElementsByClassName: function(element, className) { - return document.getElementsByClassName(className, element); - }, - - readAttribute: function(element, name) { - element = $(element); - if (document.all && !window.opera) { - var t = Element._attributeTranslations; - if (t.values[name]) return t.values[name](element, name); - if (t.names[name]) name = t.names[name]; - var attribute = element.attributes[name]; - if(attribute) return attribute.nodeValue; - } - return element.getAttribute(name); - }, - - getHeight: function(element) { - return $(element).getDimensions().height; - }, - - getWidth: function(element) { - return $(element).getDimensions().width; - }, - - classNames: function(element) { - return new Element.ClassNames(element); - }, - - hasClassName: function(element, className) { - if (!(element = $(element))) return; - var elementClassName = element.className; - if (elementClassName.length == 0) return false; - if (elementClassName == className || - elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) - return true; - return false; - }, - - addClassName: function(element, className) { - if (!(element = $(element))) return; - Element.classNames(element).add(className); - return element; - }, - - removeClassName: function(element, className) { - if (!(element = $(element))) return; - Element.classNames(element).remove(className); - return element; - }, - - toggleClassName: function(element, className) { - if (!(element = $(element))) return; - Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); - return element; - }, - - observe: function() { - Event.observe.apply(Event, arguments); - return $A(arguments).first(); - }, - - stopObserving: function() { - Event.stopObserving.apply(Event, arguments); - return $A(arguments).first(); - }, - - // removes whitespace-only text node children - cleanWhitespace: function(element) { - element = $(element); - var node = element.firstChild; - while (node) { - var nextNode = node.nextSibling; - if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) - element.removeChild(node); - node = nextNode; - } - return element; - }, - - empty: function(element) { - return $(element).innerHTML.match(/^\s*$/); - }, - - descendantOf: function(element, ancestor) { - element = $(element), ancestor = $(ancestor); - while (element = element.parentNode) - if (element == ancestor) return true; - return false; - }, - - scrollTo: function(element) { - element = $(element); - var pos = Position.cumulativeOffset(element); - window.scrollTo(pos[0], pos[1]); - return element; - }, - - getStyle: function(element, style) { - element = $(element); - if (['float','cssFloat'].include(style)) - style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat'); - style = style.camelize(); - var value = element.style[style]; - if (!value) { - if (document.defaultView && document.defaultView.getComputedStyle) { - var css = document.defaultView.getComputedStyle(element, null); - value = css ? css[style] : null; - } else if (element.currentStyle) { - value = element.currentStyle[style]; - } - } - - if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none')) - value = element['offset'+style.capitalize()] + 'px'; - - if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) - if (Element.getStyle(element, 'position') == 'static') value = 'auto'; - if(style == 'opacity') { - if(value) return parseFloat(value); - if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) - if(value[1]) return parseFloat(value[1]) / 100; - return 1.0; - } - return value == 'auto' ? null : value; - }, - - setStyle: function(element, style) { - element = $(element); - for (var name in style) { - var value = style[name]; - if(name == 'opacity') { - if (value == 1) { - value = (/Gecko/.test(navigator.userAgent) && - !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0; - if(/MSIE/.test(navigator.userAgent) && !window.opera) - element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); - } else if(value == '') { - if(/MSIE/.test(navigator.userAgent) && !window.opera) - element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); - } else { - if(value < 0.00001) value = 0; - if(/MSIE/.test(navigator.userAgent) && !window.opera) - element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') + - 'alpha(opacity='+value*100+')'; - } - } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat'; - element.style[name.camelize()] = value; - } - return element; - }, - - getDimensions: function(element) { - element = $(element); - var display = $(element).getStyle('display'); - if (display != 'none' && display != null) // Safari bug - return {width: element.offsetWidth, height: element.offsetHeight}; - - // All *Width and *Height properties give 0 on elements with display none, - // so enable the element temporarily - var els = element.style; - var originalVisibility = els.visibility; - var originalPosition = els.position; - var originalDisplay = els.display; - els.visibility = 'hidden'; - els.position = 'absolute'; - els.display = 'block'; - var originalWidth = element.clientWidth; - var originalHeight = element.clientHeight; - els.display = originalDisplay; - els.position = originalPosition; - els.visibility = originalVisibility; - return {width: originalWidth, height: originalHeight}; - }, - - makePositioned: function(element) { - element = $(element); - var pos = Element.getStyle(element, 'position'); - if (pos == 'static' || !pos) { - element._madePositioned = true; - element.style.position = 'relative'; - // Opera returns the offset relative to the positioning context, when an - // element is position relative but top and left have not been defined - if (window.opera) { - element.style.top = 0; - element.style.left = 0; - } - } - return element; - }, - - undoPositioned: function(element) { - element = $(element); - if (element._madePositioned) { - element._madePositioned = undefined; - element.style.position = - element.style.top = - element.style.left = - element.style.bottom = - element.style.right = ''; - } - return element; - }, - - makeClipping: function(element) { - element = $(element); - if (element._overflow) return element; - element._overflow = element.style.overflow || 'auto'; - if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') - element.style.overflow = 'hidden'; - return element; - }, - - undoClipping: function(element) { - element = $(element); - if (!element._overflow) return element; - element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; - element._overflow = null; - return element; - } -}; - -Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf}); - -Element._attributeTranslations = {}; - -Element._attributeTranslations.names = { - colspan: "colSpan", - rowspan: "rowSpan", - valign: "vAlign", - datetime: "dateTime", - accesskey: "accessKey", - tabindex: "tabIndex", - enctype: "encType", - maxlength: "maxLength", - readonly: "readOnly", - longdesc: "longDesc" -}; - -Element._attributeTranslations.values = { - _getAttr: function(element, attribute) { - return element.getAttribute(attribute, 2); - }, - - _flag: function(element, attribute) { - return $(element).hasAttribute(attribute) ? attribute : null; - }, - - style: function(element) { - return element.style.cssText.toLowerCase(); - }, - - title: function(element) { - var node = element.getAttributeNode('title'); - return node.specified ? node.nodeValue : null; - } -}; - -Object.extend(Element._attributeTranslations.values, { - href: Element._attributeTranslations.values._getAttr, - src: Element._attributeTranslations.values._getAttr, - disabled: Element._attributeTranslations.values._flag, - checked: Element._attributeTranslations.values._flag, - readonly: Element._attributeTranslations.values._flag, - multiple: Element._attributeTranslations.values._flag -}); - -Element.Methods.Simulated = { - hasAttribute: function(element, attribute) { - var t = Element._attributeTranslations; - attribute = t.names[attribute] || attribute; - return $(element).getAttributeNode(attribute).specified; - } -}; - -// IE is missing .innerHTML support for TABLE-related elements -if (document.all && !window.opera){ - Element.Methods.update = function(element, html) { - element = $(element); - html = typeof html == 'undefined' ? '' : html.toString(); - var tagName = element.tagName.toUpperCase(); - if (['THEAD','TBODY','TR','TD'].include(tagName)) { - var div = document.createElement('div'); - switch (tagName) { - case 'THEAD': - case 'TBODY': - div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; - depth = 2; - break; - case 'TR': - div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; - depth = 3; - break; - case 'TD': - div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; - depth = 4; - } - $A(element.childNodes).each(function(node){ - element.removeChild(node) - }); - depth.times(function(){ div = div.firstChild }); - - $A(div.childNodes).each( - function(node){ element.appendChild(node) }); - } else { - element.innerHTML = html.stripScripts(); - } - setTimeout(function() {html.evalScripts()}, 10); - return element; - } -}; - -Object.extend(Element, Element.Methods); - -var _nativeExtensions = false; - -if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) - ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { - var className = 'HTML' + tag + 'Element'; - if(window[className]) return; - var klass = window[className] = {}; - klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; - }); - -Element.addMethods = function(methods) { - Object.extend(Element.Methods, methods || {}); - - function copy(methods, destination, onlyIfAbsent) { - onlyIfAbsent = onlyIfAbsent || false; - var cache = Element.extend.cache; - for (var property in methods) { - var value = methods[property]; - if (!onlyIfAbsent || !(property in destination)) - destination[property] = cache.findOrStore(value); - } - } - - if (typeof HTMLElement != 'undefined') { - copy(Element.Methods, HTMLElement.prototype); - copy(Element.Methods.Simulated, HTMLElement.prototype, true); - copy(Form.Methods, HTMLFormElement.prototype); - [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) { - copy(Form.Element.Methods, klass.prototype); - }); - _nativeExtensions = true; - } -} - -var Toggle = new Object(); -Toggle.display = Element.toggle; - -/*--------------------------------------------------------------------------*/ - -Abstract.Insertion = function(adjacency) { - this.adjacency = adjacency; -} - -Abstract.Insertion.prototype = { - initialize: function(element, content) { - this.element = $(element); - this.content = content.stripScripts(); - - if (this.adjacency && this.element.insertAdjacentHTML) { - try { - this.element.insertAdjacentHTML(this.adjacency, this.content); - } catch (e) { - var tagName = this.element.tagName.toUpperCase(); - if (['TBODY', 'TR'].include(tagName)) { - this.insertContent(this.contentFromAnonymousTable()); - } else { - throw e; - } - } - } else { - this.range = this.element.ownerDocument.createRange(); - if (this.initializeRange) this.initializeRange(); - this.insertContent([this.range.createContextualFragment(this.content)]); - } - - setTimeout(function() {content.evalScripts()}, 10); - }, - - contentFromAnonymousTable: function() { - var div = document.createElement('div'); - div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; - return $A(div.childNodes[0].childNodes[0].childNodes); - } -} - -var Insertion = new Object(); - -Insertion.Before = Class.create(); -Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { - initializeRange: function() { - this.range.setStartBefore(this.element); - }, - - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, this.element); - }).bind(this)); - } -}); - -Insertion.Top = Class.create(); -Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { - initializeRange: function() { - this.range.selectNodeContents(this.element); - this.range.collapse(true); - }, - - insertContent: function(fragments) { - fragments.reverse(false).each((function(fragment) { - this.element.insertBefore(fragment, this.element.firstChild); - }).bind(this)); - } -}); - -Insertion.Bottom = Class.create(); -Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { - initializeRange: function() { - this.range.selectNodeContents(this.element); - this.range.collapse(this.element); - }, - - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.appendChild(fragment); - }).bind(this)); - } -}); - -Insertion.After = Class.create(); -Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { - initializeRange: function() { - this.range.setStartAfter(this.element); - }, - - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, - this.element.nextSibling); - }).bind(this)); - } -}); - -/*--------------------------------------------------------------------------*/ - -Element.ClassNames = Class.create(); -Element.ClassNames.prototype = { - initialize: function(element) { - this.element = $(element); - }, - - _each: function(iterator) { - this.element.className.split(/\s+/).select(function(name) { - return name.length > 0; - })._each(iterator); - }, - - set: function(className) { - this.element.className = className; - }, - - add: function(classNameToAdd) { - if (this.include(classNameToAdd)) return; - this.set($A(this).concat(classNameToAdd).join(' ')); - }, - - remove: function(classNameToRemove) { - if (!this.include(classNameToRemove)) return; - this.set($A(this).without(classNameToRemove).join(' ')); - }, - - toString: function() { - return $A(this).join(' '); - } -}; - -Object.extend(Element.ClassNames.prototype, Enumerable); -var Selector = Class.create(); -Selector.prototype = { - initialize: function(expression) { - this.params = {classNames: []}; - this.expression = expression.toString().strip(); - this.parseExpression(); - this.compileMatcher(); - }, - - parseExpression: function() { - function abort(message) { throw 'Parse error in selector: ' + message; } - - if (this.expression == '') abort('empty expression'); - - var params = this.params, expr = this.expression, match, modifier, clause, rest; - while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { - params.attributes = params.attributes || []; - params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); - expr = match[1]; - } - - if (expr == '*') return this.params.wildcard = true; - - while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { - modifier = match[1], clause = match[2], rest = match[3]; - switch (modifier) { - case '#': params.id = clause; break; - case '.': params.classNames.push(clause); break; - case '': - case undefined: params.tagName = clause.toUpperCase(); break; - default: abort(expr.inspect()); - } - expr = rest; - } - - if (expr.length > 0) abort(expr.inspect()); - }, - - buildMatchExpression: function() { - var params = this.params, conditions = [], clause; - - if (params.wildcard) - conditions.push('true'); - if (clause = params.id) - conditions.push('element.readAttribute("id") == ' + clause.inspect()); - if (clause = params.tagName) - conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); - if ((clause = params.classNames).length > 0) - for (var i = 0, length = clause.length; i < length; i++) - conditions.push('element.hasClassName(' + clause[i].inspect() + ')'); - if (clause = params.attributes) { - clause.each(function(attribute) { - var value = 'element.readAttribute(' + attribute.name.inspect() + ')'; - var splitValueBy = function(delimiter) { - return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; - } - - switch (attribute.operator) { - case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; - case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; - case '|=': conditions.push( - splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() - ); break; - case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; - case '': - case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break; - default: throw 'Unknown operator ' + attribute.operator + ' in selector'; - } - }); - } - - return conditions.join(' && '); - }, - - compileMatcher: function() { - this.match = new Function('element', 'if (!element.tagName) return false; \ - element = $(element); \ - return ' + this.buildMatchExpression()); - }, - - findElements: function(scope) { - var element; - - if (element = $(this.params.id)) - if (this.match(element)) - if (!scope || Element.childOf(element, scope)) - return [element]; - - scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); - - var results = []; - for (var i = 0, length = scope.length; i < length; i++) - if (this.match(element = scope[i])) - results.push(Element.extend(element)); - - return results; - }, - - toString: function() { - return this.expression; - } -} - -Object.extend(Selector, { - matchElements: function(elements, expression) { - var selector = new Selector(expression); - return elements.select(selector.match.bind(selector)).map(Element.extend); - }, - - findElement: function(elements, expression, index) { - if (typeof expression == 'number') index = expression, expression = false; - return Selector.matchElements(elements, expression || '*')[index || 0]; - }, - - findChildElements: function(element, expressions) { - return expressions.map(function(expression) { - return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) { - var selector = new Selector(expr); - return results.inject([], function(elements, result) { - return elements.concat(selector.findElements(result || element)); - }); - }); - }).flatten(); - } -}); - -function $$() { - return Selector.findChildElements(document, $A(arguments)); -} -var Form = { - reset: function(form) { - $(form).reset(); - return form; - }, - - serializeElements: function(elements, getHash) { - var data = elements.inject({}, function(result, element) { - if (!element.disabled && element.name) { - var key = element.name, value = $(element).getValue(); - if (value != undefined) { - if (result[key]) { - if (result[key].constructor != Array) result[key] = [result[key]]; - result[key].push(value); - } - else result[key] = value; - } - } - return result; - }); - - return getHash ? data : Hash.toQueryString(data); - } -}; - -Form.Methods = { - serialize: function(form, getHash) { - return Form.serializeElements(Form.getElements(form), getHash); - }, - - getElements: function(form) { - return $A($(form).getElementsByTagName('*')).inject([], - function(elements, child) { - if (Form.Element.Serializers[child.tagName.toLowerCase()]) - elements.push(Element.extend(child)); - return elements; - } - ); - }, - - getInputs: function(form, typeName, name) { - form = $(form); - var inputs = form.getElementsByTagName('input'); - - if (!typeName && !name) return $A(inputs).map(Element.extend); - - for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { - var input = inputs[i]; - if ((typeName && input.type != typeName) || (name && input.name != name)) - continue; - matchingInputs.push(Element.extend(input)); - } - - return matchingInputs; - }, - - disable: function(form) { - form = $(form); - form.getElements().each(function(element) { - element.blur(); - element.disabled = 'true'; - }); - return form; - }, - - enable: function(form) { - form = $(form); - form.getElements().each(function(element) { - element.disabled = ''; - }); - return form; - }, - - findFirstElement: function(form) { - return $(form).getElements().find(function(element) { - return element.type != 'hidden' && !element.disabled && - ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); - }); - }, - - focusFirstElement: function(form) { - form = $(form); - form.findFirstElement().activate(); - return form; - } -} - -Object.extend(Form, Form.Methods); - -/*--------------------------------------------------------------------------*/ - -Form.Element = { - focus: function(element) { - $(element).focus(); - return element; - }, - - select: function(element) { - $(element).select(); - return element; - } -} - -Form.Element.Methods = { - serialize: function(element) { - element = $(element); - if (!element.disabled && element.name) { - var value = element.getValue(); - if (value != undefined) { - var pair = {}; - pair[element.name] = value; - return Hash.toQueryString(pair); - } - } - return ''; - }, - - getValue: function(element) { - element = $(element); - var method = element.tagName.toLowerCase(); - return Form.Element.Serializers[method](element); - }, - - clear: function(element) { - $(element).value = ''; - return element; - }, - - present: function(element) { - return $(element).value != ''; - }, - - activate: function(element) { - element = $(element); - element.focus(); - if (element.select && ( element.tagName.toLowerCase() != 'input' || - !['button', 'reset', 'submit'].include(element.type) ) ) - element.select(); - return element; - }, - - disable: function(element) { - element = $(element); - element.disabled = true; - return element; - }, - - enable: function(element) { - element = $(element); - element.blur(); - element.disabled = false; - return element; - } -} - -Object.extend(Form.Element, Form.Element.Methods); -var Field = Form.Element; -var $F = Form.Element.getValue; - -/*--------------------------------------------------------------------------*/ - -Form.Element.Serializers = { - input: function(element) { - switch (element.type.toLowerCase()) { - case 'checkbox': - case 'radio': - return Form.Element.Serializers.inputSelector(element); - default: - return Form.Element.Serializers.textarea(element); - } - }, - - inputSelector: function(element) { - return element.checked ? element.value : null; - }, - - textarea: function(element) { - return element.value; - }, - - select: function(element) { - return this[element.type == 'select-one' ? - 'selectOne' : 'selectMany'](element); - }, - - selectOne: function(element) { - var index = element.selectedIndex; - return index >= 0 ? this.optionValue(element.options[index]) : null; - }, - - selectMany: function(element) { - var values, length = element.length; - if (!length) return null; - - for (var i = 0, values = []; i < length; i++) { - var opt = element.options[i]; - if (opt.selected) values.push(this.optionValue(opt)); - } - return values; - }, - - optionValue: function(opt) { - // extend element because hasAttribute may not be native - return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; - } -} - -/*--------------------------------------------------------------------------*/ - -Abstract.TimedObserver = function() {} -Abstract.TimedObserver.prototype = { - initialize: function(element, frequency, callback) { - this.frequency = frequency; - this.element = $(element); - this.callback = callback; - - this.lastValue = this.getValue(); - this.registerCallback(); - }, - - registerCallback: function() { - setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); - }, - - onTimerEvent: function() { - var value = this.getValue(); - var changed = ('string' == typeof this.lastValue && 'string' == typeof value - ? this.lastValue != value : String(this.lastValue) != String(value)); - if (changed) { - this.callback(this.element, value); - this.lastValue = value; - } - } -} - -Form.Element.Observer = Class.create(); -Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { - getValue: function() { - return Form.Element.getValue(this.element); - } -}); - -Form.Observer = Class.create(); -Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { - getValue: function() { - return Form.serialize(this.element); - } -}); - -/*--------------------------------------------------------------------------*/ - -Abstract.EventObserver = function() {} -Abstract.EventObserver.prototype = { - initialize: function(element, callback) { - this.element = $(element); - this.callback = callback; - - this.lastValue = this.getValue(); - if (this.element.tagName.toLowerCase() == 'form') - this.registerFormCallbacks(); - else - this.registerCallback(this.element); - }, - - onElementEvent: function() { - var value = this.getValue(); - if (this.lastValue != value) { - this.callback(this.element, value); - this.lastValue = value; - } - }, - - registerFormCallbacks: function() { - Form.getElements(this.element).each(this.registerCallback.bind(this)); - }, - - registerCallback: function(element) { - if (element.type) { - switch (element.type.toLowerCase()) { - case 'checkbox': - case 'radio': - Event.observe(element, 'click', this.onElementEvent.bind(this)); - break; - default: - Event.observe(element, 'change', this.onElementEvent.bind(this)); - break; - } - } - } -} - -Form.Element.EventObserver = Class.create(); -Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { - getValue: function() { - return Form.Element.getValue(this.element); - } -}); - -Form.EventObserver = Class.create(); -Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { - getValue: function() { - return Form.serialize(this.element); - } -}); -if (!window.Event) { - var Event = new Object(); -} - -Object.extend(Event, { - KEY_BACKSPACE: 8, - KEY_TAB: 9, - KEY_RETURN: 13, - KEY_ESC: 27, - KEY_LEFT: 37, - KEY_UP: 38, - KEY_RIGHT: 39, - KEY_DOWN: 40, - KEY_DELETE: 46, - KEY_HOME: 36, - KEY_END: 35, - KEY_PAGEUP: 33, - KEY_PAGEDOWN: 34, - - element: function(event) { - return event.target || event.srcElement; - }, - - isLeftClick: function(event) { - return (((event.which) && (event.which == 1)) || - ((event.button) && (event.button == 1))); - }, - - pointerX: function(event) { - return event.pageX || (event.clientX + - (document.documentElement.scrollLeft || document.body.scrollLeft)); - }, - - pointerY: function(event) { - return event.pageY || (event.clientY + - (document.documentElement.scrollTop || document.body.scrollTop)); - }, - - stop: function(event) { - if (event.preventDefault) { - event.preventDefault(); - event.stopPropagation(); - } else { - event.returnValue = false; - event.cancelBubble = true; - } - }, - - // find the first node with the given tagName, starting from the - // node the event was triggered on; traverses the DOM upwards - findElement: function(event, tagName) { - var element = Event.element(event); - while (element.parentNode && (!element.tagName || - (element.tagName.toUpperCase() != tagName.toUpperCase()))) - element = element.parentNode; - return element; - }, - - observers: false, - - _observeAndCache: function(element, name, observer, useCapture) { - if (!this.observers) this.observers = []; - if (element.addEventListener) { - this.observers.push([element, name, observer, useCapture]); - element.addEventListener(name, observer, useCapture); - } else if (element.attachEvent) { - this.observers.push([element, name, observer, useCapture]); - element.attachEvent('on' + name, observer); - } - }, - - unloadCache: function() { - if (!Event.observers) return; - for (var i = 0, length = Event.observers.length; i < length; i++) { - Event.stopObserving.apply(this, Event.observers[i]); - Event.observers[i][0] = null; - } - Event.observers = false; - }, - - observe: function(element, name, observer, useCapture) { - element = $(element); - useCapture = useCapture || false; - - if (name == 'keypress' && - (navigator.appVersion.match(/Konqueror|Safari|KHTML/) - || element.attachEvent)) - name = 'keydown'; - - Event._observeAndCache(element, name, observer, useCapture); - }, - - stopObserving: function(element, name, observer, useCapture) { - element = $(element); - useCapture = useCapture || false; - - if (name == 'keypress' && - (navigator.appVersion.match(/Konqueror|Safari|KHTML/) - || element.detachEvent)) - name = 'keydown'; - - if (element.removeEventListener) { - element.removeEventListener(name, observer, useCapture); - } else if (element.detachEvent) { - try { - element.detachEvent('on' + name, observer); - } catch (e) {} - } - } -}); - -/* prevent memory leaks in IE */ -if (navigator.appVersion.match(/\bMSIE\b/)) - Event.observe(window, 'unload', Event.unloadCache, false); -var Position = { - // set to true if needed, warning: firefox performance problems - // NOT neeeded for page scrolling, only if draggable contained in - // scrollable elements - includeScrollOffsets: false, - - // must be called before calling withinIncludingScrolloffset, every time the - // page is scrolled - prepare: function() { - this.deltaX = window.pageXOffset - || document.documentElement.scrollLeft - || document.body.scrollLeft - || 0; - this.deltaY = window.pageYOffset - || document.documentElement.scrollTop - || document.body.scrollTop - || 0; - }, - - realOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.scrollTop || 0; - valueL += element.scrollLeft || 0; - element = element.parentNode; - } while (element); - return [valueL, valueT]; - }, - - cumulativeOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - } while (element); - return [valueL, valueT]; - }, - - positionedOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - if (element) { - if(element.tagName=='BODY') break; - var p = Element.getStyle(element, 'position'); - if (p == 'relative' || p == 'absolute') break; - } - } while (element); - return [valueL, valueT]; - }, - - offsetParent: function(element) { - if (element.offsetParent) return element.offsetParent; - if (element == document.body) return element; - - while ((element = element.parentNode) && element != document.body) - if (Element.getStyle(element, 'position') != 'static') - return element; - - return document.body; - }, - - // caches x/y coordinate pair to use with overlap - within: function(element, x, y) { - if (this.includeScrollOffsets) - return this.withinIncludingScrolloffsets(element, x, y); - this.xcomp = x; - this.ycomp = y; - this.offset = this.cumulativeOffset(element); - - return (y >= this.offset[1] && - y < this.offset[1] + element.offsetHeight && - x >= this.offset[0] && - x < this.offset[0] + element.offsetWidth); - }, - - withinIncludingScrolloffsets: function(element, x, y) { - var offsetcache = this.realOffset(element); - - this.xcomp = x + offsetcache[0] - this.deltaX; - this.ycomp = y + offsetcache[1] - this.deltaY; - this.offset = this.cumulativeOffset(element); - - return (this.ycomp >= this.offset[1] && - this.ycomp < this.offset[1] + element.offsetHeight && - this.xcomp >= this.offset[0] && - this.xcomp < this.offset[0] + element.offsetWidth); - }, - - // within must be called directly before - overlap: function(mode, element) { - if (!mode) return 0; - if (mode == 'vertical') - return ((this.offset[1] + element.offsetHeight) - this.ycomp) / - element.offsetHeight; - if (mode == 'horizontal') - return ((this.offset[0] + element.offsetWidth) - this.xcomp) / - element.offsetWidth; - }, - - page: function(forElement) { - var valueT = 0, valueL = 0; - - var element = forElement; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - - // Safari fix - if (element.offsetParent==document.body) - if (Element.getStyle(element,'position')=='absolute') break; - - } while (element = element.offsetParent); - - element = forElement; - do { - if (!window.opera || element.tagName=='BODY') { - valueT -= element.scrollTop || 0; - valueL -= element.scrollLeft || 0; - } - } while (element = element.parentNode); - - return [valueL, valueT]; - }, - - clone: function(source, target) { - var options = Object.extend({ - setLeft: true, - setTop: true, - setWidth: true, - setHeight: true, - offsetTop: 0, - offsetLeft: 0 - }, arguments[2] || {}) - - // find page position of source - source = $(source); - var p = Position.page(source); - - // find coordinate system to use - target = $(target); - var delta = [0, 0]; - var parent = null; - // delta [0,0] will do fine with position: fixed elements, - // position:absolute needs offsetParent deltas - if (Element.getStyle(target,'position') == 'absolute') { - parent = Position.offsetParent(target); - delta = Position.page(parent); - } - - // correct by body offsets (fixes Safari) - if (parent == document.body) { - delta[0] -= document.body.offsetLeft; - delta[1] -= document.body.offsetTop; - } - - // set position - if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; - if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; - if(options.setWidth) target.style.width = source.offsetWidth + 'px'; - if(options.setHeight) target.style.height = source.offsetHeight + 'px'; - }, - - absolutize: function(element) { - element = $(element); - if (element.style.position == 'absolute') return; - Position.prepare(); - - var offsets = Position.positionedOffset(element); - var top = offsets[1]; - var left = offsets[0]; - var width = element.clientWidth; - var height = element.clientHeight; - - element._originalLeft = left - parseFloat(element.style.left || 0); - element._originalTop = top - parseFloat(element.style.top || 0); - element._originalWidth = element.style.width; - element._originalHeight = element.style.height; - - element.style.position = 'absolute'; - element.style.top = top + 'px'; - element.style.left = left + 'px'; - element.style.width = width + 'px'; - element.style.height = height + 'px'; - }, - - relativize: function(element) { - element = $(element); - if (element.style.position == 'relative') return; - Position.prepare(); - - element.style.position = 'relative'; - var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); - var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); - - element.style.top = top + 'px'; - element.style.left = left + 'px'; - element.style.height = element._originalHeight; - element.style.width = element._originalWidth; - } -} - -// Safari returns margins on body which is incorrect if the child is absolutely -// positioned. For performance reasons, redefine Position.cumulativeOffset for -// KHTML/WebKit only. -if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { - Position.cumulativeOffset = function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - if (element.offsetParent == document.body) - if (Element.getStyle(element, 'position') == 'absolute') break; - - element = element.offsetParent; - } while (element); - - return [valueL, valueT]; - } -} - -Element.addMethods(); - - -// ------------------------------------------------------------------------ -// ------------------------------------------------------------------------ - -// The rest of this file is the actual ray tracer written by Adam -// Burmister. It's a concatenation of the following files: -// -// flog/color.js -// flog/light.js -// flog/vector.js -// flog/ray.js -// flog/scene.js -// flog/material/basematerial.js -// flog/material/solid.js -// flog/material/chessboard.js -// flog/shape/baseshape.js -// flog/shape/sphere.js -// flog/shape/plane.js -// flog/intersectioninfo.js -// flog/camera.js -// flog/background.js -// flog/engine.js - - -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Color = Class.create(); - -Flog.RayTracer.Color.prototype = { - red : 0.0, - green : 0.0, - blue : 0.0, - - initialize : function(r, g, b) { - if(!r) r = 0.0; - if(!g) g = 0.0; - if(!b) b = 0.0; - - this.red = r; - this.green = g; - this.blue = b; - }, - - add : function(c1, c2){ - var result = new Flog.RayTracer.Color(0,0,0); - - result.red = c1.red + c2.red; - result.green = c1.green + c2.green; - result.blue = c1.blue + c2.blue; - - return result; - }, - - addScalar: function(c1, s){ - var result = new Flog.RayTracer.Color(0,0,0); - - result.red = c1.red + s; - result.green = c1.green + s; - result.blue = c1.blue + s; - - result.limit(); - - return result; - }, - - subtract: function(c1, c2){ - var result = new Flog.RayTracer.Color(0,0,0); - - result.red = c1.red - c2.red; - result.green = c1.green - c2.green; - result.blue = c1.blue - c2.blue; - - return result; - }, - - multiply : function(c1, c2) { - var result = new Flog.RayTracer.Color(0,0,0); - - result.red = c1.red * c2.red; - result.green = c1.green * c2.green; - result.blue = c1.blue * c2.blue; - - return result; - }, - - multiplyScalar : function(c1, f) { - var result = new Flog.RayTracer.Color(0,0,0); - - result.red = c1.red * f; - result.green = c1.green * f; - result.blue = c1.blue * f; - - return result; - }, - - divideFactor : function(c1, f) { - var result = new Flog.RayTracer.Color(0,0,0); - - result.red = c1.red / f; - result.green = c1.green / f; - result.blue = c1.blue / f; - - return result; - }, - - limit: function(){ - this.red = (this.red > 0.0) ? ( (this.red > 1.0) ? 1.0 : this.red ) : 0.0; - this.green = (this.green > 0.0) ? ( (this.green > 1.0) ? 1.0 : this.green ) : 0.0; - this.blue = (this.blue > 0.0) ? ( (this.blue > 1.0) ? 1.0 : this.blue ) : 0.0; - }, - - distance : function(color) { - var d = Math.abs(this.red - color.red) + Math.abs(this.green - color.green) + Math.abs(this.blue - color.blue); - return d; - }, - - blend: function(c1, c2, w){ - var result = new Flog.RayTracer.Color(0,0,0); - result = Flog.RayTracer.Color.prototype.add( - Flog.RayTracer.Color.prototype.multiplyScalar(c1, 1 - w), - Flog.RayTracer.Color.prototype.multiplyScalar(c2, w) - ); - return result; - }, - - toString : function () { - var r = Math.floor(this.red*255); - var g = Math.floor(this.green*255); - var b = Math.floor(this.blue*255); - - return "rgb("+ r +","+ g +","+ b +")"; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Light = Class.create(); - -Flog.RayTracer.Light.prototype = { - position: null, - color: null, - intensity: 10.0, - - initialize : function(pos, color, intensity) { - this.position = pos; - this.color = color; - this.intensity = (intensity ? intensity : 10.0); - }, - - getIntensity: function(distance){ - if(distance >= intensity) return 0; - - return Math.pow((intensity - distance) / strength, 0.2); - }, - - toString : function () { - return 'Light [' + this.position.x + ',' + this.position.y + ',' + this.position.z + ']'; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Vector = Class.create(); - -Flog.RayTracer.Vector.prototype = { - x : 0.0, - y : 0.0, - z : 0.0, - - initialize : function(x, y, z) { - this.x = (x ? x : 0); - this.y = (y ? y : 0); - this.z = (z ? z : 0); - }, - - copy: function(vector){ - this.x = vector.x; - this.y = vector.y; - this.z = vector.z; - }, - - normalize : function() { - var m = this.magnitude(); - return new Flog.RayTracer.Vector(this.x / m, this.y / m, this.z / m); - }, - - magnitude : function() { - return Math.sqrt((this.x * this.x) + (this.y * this.y) + (this.z * this.z)); - }, - - cross : function(w) { - return new Flog.RayTracer.Vector( - -this.z * w.y + this.y * w.z, - this.z * w.x - this.x * w.z, - -this.y * w.x + this.x * w.y); - }, - - dot : function(w) { - return this.x * w.x + this.y * w.y + this.z * w.z; - }, - - add : function(v, w) { - return new Flog.RayTracer.Vector(w.x + v.x, w.y + v.y, w.z + v.z); - }, - - subtract : function(v, w) { - if(!w || !v) throw 'Vectors must be defined [' + v + ',' + w + ']'; - return new Flog.RayTracer.Vector(v.x - w.x, v.y - w.y, v.z - w.z); - }, - - multiplyVector : function(v, w) { - return new Flog.RayTracer.Vector(v.x * w.x, v.y * w.y, v.z * w.z); - }, - - multiplyScalar : function(v, w) { - return new Flog.RayTracer.Vector(v.x * w, v.y * w, v.z * w); - }, - - toString : function () { - return 'Vector [' + this.x + ',' + this.y + ',' + this.z + ']'; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Ray = Class.create(); - -Flog.RayTracer.Ray.prototype = { - position : null, - direction : null, - initialize : function(pos, dir) { - this.position = pos; - this.direction = dir; - }, - - toString : function () { - return 'Ray [' + this.position + ',' + this.direction + ']'; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Scene = Class.create(); - -Flog.RayTracer.Scene.prototype = { - camera : null, - shapes : [], - lights : [], - background : null, - - initialize : function() { - this.camera = new Flog.RayTracer.Camera( - new Flog.RayTracer.Vector(0,0,-5), - new Flog.RayTracer.Vector(0,0,1), - new Flog.RayTracer.Vector(0,1,0) - ); - this.shapes = new Array(); - this.lights = new Array(); - this.background = new Flog.RayTracer.Background(new Flog.RayTracer.Color(0,0,0.5), 0.2); - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; -if(typeof(Flog.RayTracer.Material) == 'undefined') Flog.RayTracer.Material = {}; - -Flog.RayTracer.Material.BaseMaterial = Class.create(); - -Flog.RayTracer.Material.BaseMaterial.prototype = { - - gloss: 2.0, // [0...infinity] 0 = matt - transparency: 0.0, // 0=opaque - reflection: 0.0, // [0...infinity] 0 = no reflection - refraction: 0.50, - hasTexture: false, - - initialize : function() { - - }, - - getColor: function(u, v){ - - }, - - wrapUp: function(t){ - t = t % 2.0; - if(t < -1) t += 2.0; - if(t >= 1) t -= 2.0; - return t; - }, - - toString : function () { - return 'Material [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']'; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Material.Solid = Class.create(); - -Flog.RayTracer.Material.Solid.prototype = Object.extend( - new Flog.RayTracer.Material.BaseMaterial(), { - initialize : function(color, reflection, refraction, transparency, gloss) { - this.color = color; - this.reflection = reflection; - this.transparency = transparency; - this.gloss = gloss; - this.hasTexture = false; - }, - - getColor: function(u, v){ - return this.color; - }, - - toString : function () { - return 'SolidMaterial [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']'; - } - } -); -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Material.Chessboard = Class.create(); - -Flog.RayTracer.Material.Chessboard.prototype = Object.extend( - new Flog.RayTracer.Material.BaseMaterial(), { - colorEven: null, - colorOdd: null, - density: 0.5, - - initialize : function(colorEven, colorOdd, reflection, transparency, gloss, density) { - this.colorEven = colorEven; - this.colorOdd = colorOdd; - this.reflection = reflection; - this.transparency = transparency; - this.gloss = gloss; - this.density = density; - this.hasTexture = true; - }, - - getColor: function(u, v){ - var t = this.wrapUp(u * this.density) * this.wrapUp(v * this.density); - - if(t < 0.0) - return this.colorEven; - else - return this.colorOdd; - }, - - toString : function () { - return 'ChessMaterial [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']'; - } - } -); -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; -if(typeof(Flog.RayTracer.Shape) == 'undefined') Flog.RayTracer.Shape = {}; - -Flog.RayTracer.Shape.BaseShape = Class.create(); - -Flog.RayTracer.Shape.BaseShape.prototype = { - position: null, - material: null, - - initialize : function() { - this.position = new Vector(0,0,0); - this.material = new Flog.RayTracer.Material.SolidMaterial( - new Flog.RayTracer.Color(1,0,1), - 0, - 0, - 0 - ); - }, - - toString : function () { - return 'Material [gloss=' + this.gloss + ', transparency=' + this.transparency + ', hasTexture=' + this.hasTexture +']'; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; -if(typeof(Flog.RayTracer.Shape) == 'undefined') Flog.RayTracer.Shape = {}; - -Flog.RayTracer.Shape.Sphere = Class.create(); - -Flog.RayTracer.Shape.Sphere.prototype = { - initialize : function(pos, radius, material) { - this.radius = radius; - this.position = pos; - this.material = material; - }, - - intersect: function(ray){ - var info = new Flog.RayTracer.IntersectionInfo(); - info.shape = this; - - var dst = Flog.RayTracer.Vector.prototype.subtract(ray.position, this.position); - - var B = dst.dot(ray.direction); - var C = dst.dot(dst) - (this.radius * this.radius); - var D = (B * B) - C; - - if(D > 0){ // intersection! - info.isHit = true; - info.distance = (-B) - Math.sqrt(D); - info.position = Flog.RayTracer.Vector.prototype.add( - ray.position, - Flog.RayTracer.Vector.prototype.multiplyScalar( - ray.direction, - info.distance - ) - ); - info.normal = Flog.RayTracer.Vector.prototype.subtract( - info.position, - this.position - ).normalize(); - - info.color = this.material.getColor(0,0); - } else { - info.isHit = false; - } - return info; - }, - - toString : function () { - return 'Sphere [position=' + this.position + ', radius=' + this.radius + ']'; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; -if(typeof(Flog.RayTracer.Shape) == 'undefined') Flog.RayTracer.Shape = {}; - -Flog.RayTracer.Shape.Plane = Class.create(); - -Flog.RayTracer.Shape.Plane.prototype = { - d: 0.0, - - initialize : function(pos, d, material) { - this.position = pos; - this.d = d; - this.material = material; - }, - - intersect: function(ray){ - var info = new Flog.RayTracer.IntersectionInfo(); - - var Vd = this.position.dot(ray.direction); - if(Vd == 0) return info; // no intersection - - var t = -(this.position.dot(ray.position) + this.d) / Vd; - if(t <= 0) return info; - - info.shape = this; - info.isHit = true; - info.position = Flog.RayTracer.Vector.prototype.add( - ray.position, - Flog.RayTracer.Vector.prototype.multiplyScalar( - ray.direction, - t - ) - ); - info.normal = this.position; - info.distance = t; - - if(this.material.hasTexture){ - var vU = new Flog.RayTracer.Vector(this.position.y, this.position.z, -this.position.x); - var vV = vU.cross(this.position); - var u = info.position.dot(vU); - var v = info.position.dot(vV); - info.color = this.material.getColor(u,v); - } else { - info.color = this.material.getColor(0,0); - } - - return info; - }, - - toString : function () { - return 'Plane [' + this.position + ', d=' + this.d + ']'; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.IntersectionInfo = Class.create(); - -Flog.RayTracer.IntersectionInfo.prototype = { - isHit: false, - hitCount: 0, - shape: null, - position: null, - normal: null, - color: null, - distance: null, - - initialize : function() { - this.color = new Flog.RayTracer.Color(0,0,0); - }, - - toString : function () { - return 'Intersection [' + this.position + ']'; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Camera = Class.create(); - -Flog.RayTracer.Camera.prototype = { - position: null, - lookAt: null, - equator: null, - up: null, - screen: null, - - initialize : function(pos, lookAt, up) { - this.position = pos; - this.lookAt = lookAt; - this.up = up; - this.equator = lookAt.normalize().cross(this.up); - this.screen = Flog.RayTracer.Vector.prototype.add(this.position, this.lookAt); - }, - - getRay: function(vx, vy){ - var pos = Flog.RayTracer.Vector.prototype.subtract( - this.screen, - Flog.RayTracer.Vector.prototype.subtract( - Flog.RayTracer.Vector.prototype.multiplyScalar(this.equator, vx), - Flog.RayTracer.Vector.prototype.multiplyScalar(this.up, vy) - ) - ); - pos.y = pos.y * -1; - var dir = Flog.RayTracer.Vector.prototype.subtract( - pos, - this.position - ); - - var ray = new Flog.RayTracer.Ray(pos, dir.normalize()); - - return ray; - }, - - toString : function () { - return 'Ray []'; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Background = Class.create(); - -Flog.RayTracer.Background.prototype = { - color : null, - ambience : 0.0, - - initialize : function(color, ambience) { - this.color = color; - this.ambience = ambience; - } -} -/* Fake a Flog.* namespace */ -if(typeof(Flog) == 'undefined') var Flog = {}; -if(typeof(Flog.RayTracer) == 'undefined') Flog.RayTracer = {}; - -Flog.RayTracer.Engine = Class.create(); - -Flog.RayTracer.Engine.prototype = { - canvas: null, /* 2d context we can render to */ - - initialize: function(options){ - this.options = Object.extend({ - canvasHeight: 100, - canvasWidth: 100, - pixelWidth: 2, - pixelHeight: 2, - renderDiffuse: false, - renderShadows: false, - renderHighlights: false, - renderReflections: false, - rayDepth: 2 - }, options || {}); - - this.options.canvasHeight /= this.options.pixelHeight; - this.options.canvasWidth /= this.options.pixelWidth; - - /* TODO: dynamically include other scripts */ - }, - - setPixel: function(x, y, color){ - var pxW, pxH; - pxW = this.options.pixelWidth; - pxH = this.options.pixelHeight; - - if (this.canvas) { - this.canvas.fillStyle = color.toString(); - this.canvas.fillRect (x * pxW, y * pxH, pxW, pxH); - } else { - // print(x * pxW, y * pxH, pxW, pxH); - } - }, - - renderScene: function(scene, canvas){ - /* Get canvas */ - if (canvas) { - this.canvas = canvas.getContext("2d"); - } else { - this.canvas = null; - } - - var canvasHeight = this.options.canvasHeight; - var canvasWidth = this.options.canvasWidth; - - for(var y=0; y < canvasHeight; y++){ - for(var x=0; x < canvasWidth; x++){ - var yp = y * 1.0 / canvasHeight * 2 - 1; - var xp = x * 1.0 / canvasWidth * 2 - 1; - - var ray = scene.camera.getRay(xp, yp); - - var color = this.getPixelColor(ray, scene); - - this.setPixel(x, y, color); - } - } - }, - - getPixelColor: function(ray, scene){ - var info = this.testIntersection(ray, scene, null); - if(info.isHit){ - var color = this.rayTrace(info, ray, scene, 0); - return color; - } - return scene.background.color; - }, - - testIntersection: function(ray, scene, exclude){ - var hits = 0; - var best = new Flog.RayTracer.IntersectionInfo(); - best.distance = 2000; - - for(var i=0; i<scene.shapes.length; i++){ - var shape = scene.shapes[i]; - - if(shape != exclude){ - var info = shape.intersect(ray); - if(info.isHit && info.distance >= 0 && info.distance < best.distance){ - best = info; - hits++; - } - } - } - best.hitCount = hits; - return best; - }, - - getReflectionRay: function(P,N,V){ - var c1 = -N.dot(V); - var R1 = Flog.RayTracer.Vector.prototype.add( - Flog.RayTracer.Vector.prototype.multiplyScalar(N, 2*c1), - V - ); - return new Flog.RayTracer.Ray(P, R1); - }, - - rayTrace: function(info, ray, scene, depth){ - // Calc ambient - var color = Flog.RayTracer.Color.prototype.multiplyScalar(info.color, scene.background.ambience); - var oldColor = color; - var shininess = Math.pow(10, info.shape.material.gloss + 1); - - for(var i=0; i<scene.lights.length; i++){ - var light = scene.lights[i]; - - // Calc diffuse lighting - var v = Flog.RayTracer.Vector.prototype.subtract( - light.position, - info.position - ).normalize(); - - if(this.options.renderDiffuse){ - var L = v.dot(info.normal); - if(L > 0.0){ - color = Flog.RayTracer.Color.prototype.add( - color, - Flog.RayTracer.Color.prototype.multiply( - info.color, - Flog.RayTracer.Color.prototype.multiplyScalar( - light.color, - L - ) - ) - ); - } - } - - // The greater the depth the more accurate the colours, but - // this is exponentially (!) expensive - if(depth <= this.options.rayDepth){ - // calculate reflection ray - if(this.options.renderReflections && info.shape.material.reflection > 0) - { - var reflectionRay = this.getReflectionRay(info.position, info.normal, ray.direction); - var refl = this.testIntersection(reflectionRay, scene, info.shape); - - if (refl.isHit && refl.distance > 0){ - refl.color = this.rayTrace(refl, reflectionRay, scene, depth + 1); - } else { - refl.color = scene.background.color; - } - - color = Flog.RayTracer.Color.prototype.blend( - color, - refl.color, - info.shape.material.reflection - ); - } - - // Refraction - /* TODO */ - } - - /* Render shadows and highlights */ - - var shadowInfo = new Flog.RayTracer.IntersectionInfo(); - - if(this.options.renderShadows){ - var shadowRay = new Flog.RayTracer.Ray(info.position, v); - - shadowInfo = this.testIntersection(shadowRay, scene, info.shape); - if(shadowInfo.isHit && shadowInfo.shape != info.shape /*&& shadowInfo.shape.type != 'PLANE'*/){ - var vA = Flog.RayTracer.Color.prototype.multiplyScalar(color, 0.5); - var dB = (0.5 * Math.pow(shadowInfo.shape.material.transparency, 0.5)); - color = Flog.RayTracer.Color.prototype.addScalar(vA,dB); - } - } - - // Phong specular highlights - if(this.options.renderHighlights && !shadowInfo.isHit && info.shape.material.gloss > 0){ - var Lv = Flog.RayTracer.Vector.prototype.subtract( - info.shape.position, - light.position - ).normalize(); - - var E = Flog.RayTracer.Vector.prototype.subtract( - scene.camera.position, - info.shape.position - ).normalize(); - - var H = Flog.RayTracer.Vector.prototype.subtract( - E, - Lv - ).normalize(); - - var glossWeight = Math.pow(Math.max(info.normal.dot(H), 0), shininess); - color = Flog.RayTracer.Color.prototype.add( - Flog.RayTracer.Color.prototype.multiplyScalar(light.color, glossWeight), - color - ); - } - } - color.limit(); - return color; - } -}; - - -function renderScene(){ - var scene = new Flog.RayTracer.Scene(); - - scene.camera = new Flog.RayTracer.Camera( - new Flog.RayTracer.Vector(0, 0, -15), - new Flog.RayTracer.Vector(-0.2, 0, 5), - new Flog.RayTracer.Vector(0, 1, 0) - ); - - scene.background = new Flog.RayTracer.Background( - new Flog.RayTracer.Color(0.5, 0.5, 0.5), - 0.4 - ); - - var sphere = new Flog.RayTracer.Shape.Sphere( - new Flog.RayTracer.Vector(-1.5, 1.5, 2), - 1.5, - new Flog.RayTracer.Material.Solid( - new Flog.RayTracer.Color(0,0.5,0.5), - 0.3, - 0.0, - 0.0, - 2.0 - ) - ); - - var sphere1 = new Flog.RayTracer.Shape.Sphere( - new Flog.RayTracer.Vector(1, 0.25, 1), - 0.5, - new Flog.RayTracer.Material.Solid( - new Flog.RayTracer.Color(0.9,0.9,0.9), - 0.1, - 0.0, - 0.0, - 1.5 - ) - ); - - var plane = new Flog.RayTracer.Shape.Plane( - new Flog.RayTracer.Vector(0.1, 0.9, -0.5).normalize(), - 1.2, - new Flog.RayTracer.Material.Chessboard( - new Flog.RayTracer.Color(1,1,1), - new Flog.RayTracer.Color(0,0,0), - 0.2, - 0.0, - 1.0, - 0.7 - ) - ); - - scene.shapes.push(plane); - scene.shapes.push(sphere); - scene.shapes.push(sphere1); - - var light = new Flog.RayTracer.Light( - new Flog.RayTracer.Vector(5, 10, -1), - new Flog.RayTracer.Color(0.8, 0.8, 0.8) - ); - - var light1 = new Flog.RayTracer.Light( - new Flog.RayTracer.Vector(-3, 5, -15), - new Flog.RayTracer.Color(0.8, 0.8, 0.8), - 100 - ); - - scene.lights.push(light); - scene.lights.push(light1); - - var imageWidth = 100; // $F('imageWidth'); - var imageHeight = 100; // $F('imageHeight'); - var pixelSize = "5,5".split(','); // $F('pixelSize').split(','); - var renderDiffuse = true; // $F('renderDiffuse'); - var renderShadows = true; // $F('renderShadows'); - var renderHighlights = true; // $F('renderHighlights'); - var renderReflections = true; // $F('renderReflections'); - var rayDepth = 2;//$F('rayDepth'); - - var raytracer = new Flog.RayTracer.Engine( - { - canvasWidth: imageWidth, - canvasHeight: imageHeight, - pixelWidth: pixelSize[0], - pixelHeight: pixelSize[1], - "renderDiffuse": renderDiffuse, - "renderHighlights": renderHighlights, - "renderShadows": renderShadows, - "renderReflections": renderReflections, - "rayDepth": rayDepth - } - ); - - raytracer.renderScene(scene, null, 0); -} - -for (var i = 0; i < 6; ++i) - renderScene(); |