| 1 |
5b4a2d76
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 2 |
8647eae2
|
Leszek Koltunski
|
// Copyright 2019 Leszek Koltunski //
|
| 3 |
5b4a2d76
|
Leszek Koltunski
|
// //
|
| 4 |
|
|
// This file is part of Distorted. //
|
| 5 |
|
|
// //
|
| 6 |
|
|
// Distorted is free software: you can redistribute it and/or modify //
|
| 7 |
|
|
// it under the terms of the GNU General Public License as published by //
|
| 8 |
|
|
// the Free Software Foundation, either version 2 of the License, or //
|
| 9 |
|
|
// (at your option) any later version. //
|
| 10 |
|
|
// //
|
| 11 |
|
|
// Distorted is distributed in the hope that it will be useful, //
|
| 12 |
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
| 13 |
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
| 14 |
|
|
// GNU General Public License for more details. //
|
| 15 |
|
|
// //
|
| 16 |
|
|
// You should have received a copy of the GNU General Public License //
|
| 17 |
|
|
// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
|
| 18 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 19 |
|
|
|
| 20 |
|
|
package org.distorted.examples.rubik;
|
| 21 |
|
|
|
| 22 |
|
|
import android.opengl.GLSurfaceView;
|
| 23 |
|
|
|
| 24 |
94cc96ff
|
Leszek Koltunski
|
import org.distorted.library.effect.VertexEffectSink;
|
| 25 |
5b4a2d76
|
Leszek Koltunski
|
import org.distorted.library.main.Distorted;
|
| 26 |
|
|
import org.distorted.library.main.DistortedScreen;
|
| 27 |
b62eb334
|
Leszek Koltunski
|
import org.distorted.library.message.EffectListener;
|
| 28 |
|
|
import org.distorted.library.message.EffectMessage;
|
| 29 |
5b4a2d76
|
Leszek Koltunski
|
import org.distorted.library.type.Static3D;
|
| 30 |
|
|
import org.distorted.library.type.Static4D;
|
| 31 |
|
|
|
| 32 |
|
|
import javax.microedition.khronos.egl.EGLConfig;
|
| 33 |
|
|
import javax.microedition.khronos.opengles.GL10;
|
| 34 |
|
|
|
| 35 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 36 |
|
|
|
| 37 |
b62eb334
|
Leszek Koltunski
|
class RubikRenderer implements GLSurfaceView.Renderer, EffectListener
|
| 38 |
5b4a2d76
|
Leszek Koltunski
|
{
|
| 39 |
7f986357
|
Leszek Koltunski
|
private static final int NUM_CUBES = 4;
|
| 40 |
e4c0057e
|
Leszek Koltunski
|
private static final float CUBE_SCREEN_RATIO = 0.5f;
|
| 41 |
b62eb334
|
Leszek Koltunski
|
private static final float CAMERA_DISTANCE = 0.5f; // 0.5 of the length of max(scrHeight,scrWidth)
|
| 42 |
e4c0057e
|
Leszek Koltunski
|
|
| 43 |
18709ae0
|
Leszek Koltunski
|
private RubikSurfaceView mView;
|
| 44 |
5b4a2d76
|
Leszek Koltunski
|
private DistortedScreen mScreen;
|
| 45 |
8647eae2
|
Leszek Koltunski
|
private Static3D mMove, mScale;
|
| 46 |
94cc96ff
|
Leszek Koltunski
|
private Static4D mQuatCurrent, mQuatAccumulated;
|
| 47 |
|
|
private Static4D mTempCurrent, mTempAccumulated;
|
| 48 |
483ae94e
|
Leszek Koltunski
|
private float mCubeSizeInScreenSpace;
|
| 49 |
b62eb334
|
Leszek Koltunski
|
private boolean mFinishRotation, mRemoveRotation, mFinishDragCurrent, mFinishDragAccumulated;
|
| 50 |
8647eae2
|
Leszek Koltunski
|
private RubikCube mCube;
|
| 51 |
5b4a2d76
|
Leszek Koltunski
|
|
| 52 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 53 |
|
|
|
| 54 |
18709ae0
|
Leszek Koltunski
|
RubikRenderer(RubikSurfaceView v)
|
| 55 |
5b4a2d76
|
Leszek Koltunski
|
{
|
| 56 |
|
|
mView = v;
|
| 57 |
|
|
|
| 58 |
|
|
mScreen = new DistortedScreen();
|
| 59 |
|
|
|
| 60 |
94cc96ff
|
Leszek Koltunski
|
mTempCurrent = new Static4D(0,0,0,1);
|
| 61 |
|
|
mTempAccumulated = initializeQuat();
|
| 62 |
|
|
mQuatCurrent = new Static4D(0,0,0,1);
|
| 63 |
|
|
mQuatAccumulated = initializeQuat();
|
| 64 |
5b4a2d76
|
Leszek Koltunski
|
|
| 65 |
|
|
mMove = new Static3D(0,0,0);
|
| 66 |
|
|
mScale = new Static3D(1,1,1);
|
| 67 |
8647eae2
|
Leszek Koltunski
|
|
| 68 |
|
|
mFinishRotation = false;
|
| 69 |
b62eb334
|
Leszek Koltunski
|
mRemoveRotation = false;
|
| 70 |
8647eae2
|
Leszek Koltunski
|
mFinishDragCurrent = false;
|
| 71 |
|
|
mFinishDragAccumulated = false;
|
| 72 |
|
|
|
| 73 |
|
|
mCube = new RubikCube(NUM_CUBES, mMove, mScale, mQuatCurrent, mQuatAccumulated);
|
| 74 |
5b4a2d76
|
Leszek Koltunski
|
}
|
| 75 |
|
|
|
| 76 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 77 |
b62eb334
|
Leszek Koltunski
|
// various things are done here delayed, 'after the next render' as not to be done mid-render and
|
| 78 |
|
|
// cause artifacts.
|
| 79 |
|
|
|
| 80 |
5b4a2d76
|
Leszek Koltunski
|
public void onDrawFrame(GL10 glUnused)
|
| 81 |
|
|
{
|
| 82 |
|
|
mScreen.render( System.currentTimeMillis() );
|
| 83 |
94cc96ff
|
Leszek Koltunski
|
|
| 84 |
8647eae2
|
Leszek Koltunski
|
if( mFinishDragCurrent )
|
| 85 |
|
|
{
|
| 86 |
|
|
mFinishDragCurrent = false;
|
| 87 |
|
|
mQuatCurrent.set(mTempCurrent);
|
| 88 |
|
|
}
|
| 89 |
|
|
|
| 90 |
|
|
if( mFinishDragAccumulated )
|
| 91 |
|
|
{
|
| 92 |
|
|
mFinishDragAccumulated = false;
|
| 93 |
|
|
mQuatAccumulated.set(mTempAccumulated);
|
| 94 |
|
|
}
|
| 95 |
|
|
|
| 96 |
|
|
if( mFinishRotation )
|
| 97 |
|
|
{
|
| 98 |
|
|
mFinishRotation=false;
|
| 99 |
b62eb334
|
Leszek Koltunski
|
mCube.finishRotationCalledOnNextRender(this);
|
| 100 |
|
|
}
|
| 101 |
|
|
|
| 102 |
|
|
if( mRemoveRotation )
|
| 103 |
|
|
{
|
| 104 |
|
|
mRemoveRotation=false;
|
| 105 |
|
|
mCube.removeRotationCalledOnNextRender(this);
|
| 106 |
8647eae2
|
Leszek Koltunski
|
}
|
| 107 |
5b4a2d76
|
Leszek Koltunski
|
}
|
| 108 |
|
|
|
| 109 |
b62eb334
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 110 |
|
|
// EffectListener. The library sends a message to us when it's time to call 'removeRotation'
|
| 111 |
|
|
|
| 112 |
|
|
public void effectMessage(final EffectMessage em, final long effectID, final long objectID)
|
| 113 |
|
|
{
|
| 114 |
|
|
switch(em)
|
| 115 |
|
|
{
|
| 116 |
|
|
case EFFECT_FINISHED: mRemoveRotation = true; break;
|
| 117 |
|
|
}
|
| 118 |
|
|
}
|
| 119 |
|
|
|
| 120 |
5b4a2d76
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 121 |
|
|
|
| 122 |
|
|
public void onSurfaceChanged(GL10 glUnused, int width, int height)
|
| 123 |
|
|
{
|
| 124 |
483ae94e
|
Leszek Koltunski
|
float cameraDistance = CAMERA_DISTANCE*(width>height ? width:height);
|
| 125 |
|
|
float fovInDegrees = computeFOV(cameraDistance,height);
|
| 126 |
7f986357
|
Leszek Koltunski
|
|
| 127 |
|
|
mScreen.setProjection( fovInDegrees, 0.1f);
|
| 128 |
18709ae0
|
Leszek Koltunski
|
mView.setScreenSize(width,height);
|
| 129 |
483ae94e
|
Leszek Koltunski
|
mView.setCameraDist(cameraDistance);
|
| 130 |
5b4a2d76
|
Leszek Koltunski
|
|
| 131 |
483ae94e
|
Leszek Koltunski
|
mCubeSizeInScreenSpace = CUBE_SCREEN_RATIO*(width>height ? height:width);
|
| 132 |
|
|
float texSize = mCube.getTextureSize();
|
| 133 |
|
|
float scaleFactor = mCubeSizeInScreenSpace/(texSize*mCube.getSize());
|
| 134 |
5b4a2d76
|
Leszek Koltunski
|
|
| 135 |
483ae94e
|
Leszek Koltunski
|
mMove.set( (width-scaleFactor*texSize)/2 , (height-scaleFactor*texSize)/2 , -scaleFactor*texSize/2 );
|
| 136 |
|
|
mScale.set(scaleFactor,scaleFactor,scaleFactor);
|
| 137 |
5b4a2d76
|
Leszek Koltunski
|
|
| 138 |
|
|
mScreen.resize(width, height);
|
| 139 |
|
|
}
|
| 140 |
|
|
|
| 141 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 142 |
|
|
|
| 143 |
|
|
public void onSurfaceCreated(GL10 glUnused, EGLConfig config)
|
| 144 |
|
|
{
|
| 145 |
8647eae2
|
Leszek Koltunski
|
mCube.createTexture();
|
| 146 |
5b4a2d76
|
Leszek Koltunski
|
mScreen.detachAll();
|
| 147 |
8647eae2
|
Leszek Koltunski
|
mCube.attachToScreen(mScreen);
|
| 148 |
5b4a2d76
|
Leszek Koltunski
|
|
| 149 |
94cc96ff
|
Leszek Koltunski
|
VertexEffectSink.enable();
|
| 150 |
e4c0057e
|
Leszek Koltunski
|
|
| 151 |
5b4a2d76
|
Leszek Koltunski
|
try
|
| 152 |
|
|
{
|
| 153 |
|
|
Distorted.onCreate(mView.getContext());
|
| 154 |
|
|
}
|
| 155 |
|
|
catch(Exception ex)
|
| 156 |
|
|
{
|
| 157 |
|
|
android.util.Log.e("Rubik", ex.getMessage() );
|
| 158 |
|
|
}
|
| 159 |
|
|
}
|
| 160 |
e4c0057e
|
Leszek Koltunski
|
|
| 161 |
483ae94e
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 162 |
|
|
|
| 163 |
|
|
private float computeFOV(float cameraDistance, int screenHeight)
|
| 164 |
|
|
{
|
| 165 |
|
|
double halfFOVInRadians = Math.atan( screenHeight/(2*cameraDistance) );
|
| 166 |
b62eb334
|
Leszek Koltunski
|
return (float)(2*halfFOVInRadians*(180/Math.PI));
|
| 167 |
483ae94e
|
Leszek Koltunski
|
}
|
| 168 |
|
|
|
| 169 |
8647eae2
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 170 |
|
|
// no this will not race with onDrawFrame
|
| 171 |
|
|
|
| 172 |
|
|
void finishRotation()
|
| 173 |
|
|
{
|
| 174 |
|
|
mFinishRotation = true;
|
| 175 |
|
|
}
|
| 176 |
|
|
|
| 177 |
e4c0057e
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 178 |
|
|
|
| 179 |
dc8979ba
|
Leszek Koltunski
|
float returnCubeSizeInScreenSpace()
|
| 180 |
e4c0057e
|
Leszek Koltunski
|
{
|
| 181 |
483ae94e
|
Leszek Koltunski
|
return mCubeSizeInScreenSpace;
|
| 182 |
e4c0057e
|
Leszek Koltunski
|
}
|
| 183 |
|
|
|
| 184 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 185 |
|
|
|
| 186 |
8647eae2
|
Leszek Koltunski
|
RubikCube getCube()
|
| 187 |
e4c0057e
|
Leszek Koltunski
|
{
|
| 188 |
8647eae2
|
Leszek Koltunski
|
return mCube;
|
| 189 |
e4c0057e
|
Leszek Koltunski
|
}
|
| 190 |
|
|
|
| 191 |
94cc96ff
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 192 |
|
|
// Initial rotation of the cube. Something semi-random that looks good.
|
| 193 |
|
|
|
| 194 |
|
|
Static4D initializeQuat()
|
| 195 |
|
|
{
|
| 196 |
7f62afde
|
Leszek Koltunski
|
return new Static4D(-0.25189602f,0.3546389f,0.009657208f,0.90038127f);
|
| 197 |
94cc96ff
|
Leszek Koltunski
|
}
|
| 198 |
|
|
|
| 199 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 200 |
|
|
|
| 201 |
|
|
void setQuatCurrent(Static4D current)
|
| 202 |
|
|
{
|
| 203 |
|
|
mTempCurrent.set(current);
|
| 204 |
8647eae2
|
Leszek Koltunski
|
mFinishDragCurrent = true;
|
| 205 |
94cc96ff
|
Leszek Koltunski
|
}
|
| 206 |
|
|
|
| 207 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 208 |
|
|
|
| 209 |
|
|
void setQuatAccumulated(Static4D accumulated)
|
| 210 |
|
|
{
|
| 211 |
|
|
mTempAccumulated.set(accumulated);
|
| 212 |
8647eae2
|
Leszek Koltunski
|
mFinishDragAccumulated = true;
|
| 213 |
94cc96ff
|
Leszek Koltunski
|
}
|
| 214 |
5b4a2d76
|
Leszek Koltunski
|
}
|