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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.scenegraph;
import java.lang.Math;
import java.util.ArrayList;
import com.android.scenegraph.SceneManager;
import android.renderscript.*;
import android.renderscript.Matrix4f;
import android.renderscript.RenderScriptGL;
import android.util.Log;
/**
* @hide
*/
public class Camera extends SceneGraphBase {
Transform mTransform;
ScriptField_Camera_s.Item mData;
ScriptField_Camera_s mField;
public Camera() {
mData = new ScriptField_Camera_s.Item();
mData.near = 0.1f;
mData.far = 100.0f;
mData.horizontalFOV = 60.0f;
mData.aspect = 0;
}
public void setTransform(Transform t) {
mTransform = t;
if (mField != null) {
mField.set_transformMatrix(0, mTransform.getRSData().getAllocation(), false);
mField.set_isDirty(0, 1, true);
}
}
public void setFOV(float fov) {
mData.horizontalFOV = fov;
if (mField != null) {
mField.set_horizontalFOV(0, fov, false);
mField.set_isDirty(0, 1, true);
}
}
public void setNear(float n) {
mData.near = n;
if (mField != null) {
mField.set_near(0, n, false);
mField.set_isDirty(0, 1, true);
}
}
public void setFar(float f) {
mData.far = f;
if (mField != null) {
mField.set_far(0, f, false);
mField.set_isDirty(0, 1, true);
}
}
public void setName(String n) {
super.setName(n);
if (mField != null) {
RenderScriptGL rs = SceneManager.getRS();
mData.name = getNameAlloc(rs);
mField.set_name(0, mData.name, false);
mField.set_isDirty(0, 1, true);
}
}
ScriptField_Camera_s getRSData() {
if (mField != null) {
return mField;
}
RenderScriptGL rs = SceneManager.getRS();
if (rs == null) {
return null;
}
if (mTransform == null) {
throw new RuntimeException("Cameras without transforms are invalid");
}
mField = new ScriptField_Camera_s(rs, 1);
mData.transformMatrix = mTransform.getRSData().getAllocation();
mData.transformTimestamp = 1;
mData.timestamp = 1;
mData.isDirty = 1;
mData.name = getNameAlloc(rs);
mField.set(mData, 0, true);
return mField;
}
}
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