1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/*
* 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.modelviewer;
import android.renderscript.Matrix4f;
import android.renderscript.RSSurfaceView;
import android.renderscript.RenderScriptGL;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.ScaleGestureDetector;
import android.util.Log;
public class SimpleModelView extends RSSurfaceView implements SensorEventListener {
private RenderScriptGL mRS;
private SimpleModelRS mRender;
private ScaleGestureDetector mScaleDetector;
private SensorManager mSensorManager;
private Sensor mRotationVectorSensor;
private final float[] mRotationMatrix = new float[16];
private static final int INVALID_POINTER_ID = -1;
private int mActivePointerId = INVALID_POINTER_ID;
private boolean mUseSensor = false;
private Matrix4f mIdentityMatrix = new Matrix4f();
public SimpleModelView(Context context) {
super(context);
ensureRenderScript();
mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
// Get an instance of the SensorManager
mSensorManager = (SensorManager)getContext().getSystemService(Context.SENSOR_SERVICE);
// find the rotation-vector sensor
mRotationVectorSensor = mSensorManager.getDefaultSensor(
Sensor.TYPE_ROTATION_VECTOR);
mIdentityMatrix.loadIdentity();
}
private void ensureRenderScript() {
if (mRS == null) {
RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
sc.setDepth(16, 24);
mRS = createRenderScriptGL(sc);
mRender = new SimpleModelRS();
mRender.init(mRS, getResources());
}
}
@Override
public void resume() {
mSensorManager.registerListener(this, mRotationVectorSensor, 10000);
}
@Override
public void pause() {
mSensorManager.unregisterListener(this);
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
ensureRenderScript();
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
super.surfaceChanged(holder, format, w, h);
mRender.surfaceChanged();
}
@Override
protected void onDetachedFromWindow() {
mRender = null;
if (mRS != null) {
mRS = null;
destroyRenderScriptGL();
}
}
public void loadA3DFile(String path) {
mRender.loadA3DFile(path);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
mScaleDetector.onTouchEvent(ev);
boolean ret = false;
float x = ev.getX();
float y = ev.getY();
final int action = ev.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN: {
mRender.onActionDown(x, y);
mActivePointerId = ev.getPointerId(0);
ret = true;
break;
}
case MotionEvent.ACTION_MOVE: {
if (!mScaleDetector.isInProgress()) {
mRender.onActionMove(x, y);
}
mRender.onActionDown(x, y);
ret = true;
break;
}
case MotionEvent.ACTION_UP: {
mActivePointerId = INVALID_POINTER_ID;
break;
}
case MotionEvent.ACTION_CANCEL: {
mActivePointerId = INVALID_POINTER_ID;
break;
}
case MotionEvent.ACTION_POINTER_UP: {
final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK)
>> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
final int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId) {
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
final int newPointerIndex = pointerIndex == 0 ? 1 : 0;
x = ev.getX(newPointerIndex);
y = ev.getY(newPointerIndex);
mRender.onActionDown(x, y);
mActivePointerId = ev.getPointerId(newPointerIndex);
}
break;
}
}
return ret;
}
private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener {
@Override
public boolean onScale(ScaleGestureDetector detector) {
mRender.onActionScale(detector.getScaleFactor());
return true;
}
}
public void onSensorChanged(SensorEvent event) {
// we received a sensor event. it is a good practice to check
// that we received the proper event
if (mUseSensor) {
if (event.sensor.getType() == Sensor.TYPE_ROTATION_VECTOR) {
// convert the rotation-vector to a 4x4 matrix. the matrix
// is interpreted by Open GL as the inverse of the
// rotation-vector, which is what we want.
SensorManager.getRotationMatrixFromVector(
mRotationMatrix , event.values);
if (mRender != null) {
mRender.onPostureChanged(new Matrix4f(mRotationMatrix));
}
}
}
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
public void toggleSensor() {
mUseSensor = !mUseSensor;
if (mUseSensor == false) {
mRender.onPostureChanged(mIdentityMatrix);
}
}
}
|
