1
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
2
|
// Copyright 2019 Leszek Koltunski //
|
3
|
// //
|
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.graphics.Bitmap;
|
23
|
import android.graphics.Canvas;
|
24
|
import android.graphics.Paint;
|
25
|
|
26
|
import org.distorted.library.effect.MatrixEffectMove;
|
27
|
import org.distorted.library.effect.MatrixEffectQuaternion;
|
28
|
import org.distorted.library.effect.MatrixEffectRotate;
|
29
|
import org.distorted.library.effect.MatrixEffectScale;
|
30
|
import org.distorted.library.effect.VertexEffectSink;
|
31
|
import org.distorted.library.main.DistortedEffects;
|
32
|
import org.distorted.library.main.DistortedScreen;
|
33
|
import org.distorted.library.main.DistortedTexture;
|
34
|
import org.distorted.library.mesh.MeshCubes;
|
35
|
import org.distorted.library.message.EffectListener;
|
36
|
import org.distorted.library.type.Dynamic1D;
|
37
|
import org.distorted.library.type.Static1D;
|
38
|
import org.distorted.library.type.Static3D;
|
39
|
import org.distorted.library.type.Static4D;
|
40
|
|
41
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
42
|
|
43
|
class RubikCube
|
44
|
{
|
45
|
private static final int TEXTURE_SIZE = 100;
|
46
|
|
47
|
private static final Static3D VectX = new Static3D(1,0,0);
|
48
|
private static final Static3D VectY = new Static3D(0,1,0);
|
49
|
private static final Static3D VectZ = new Static3D(0,0,1);
|
50
|
|
51
|
private MeshCubes[][][] mCubes;
|
52
|
private DistortedEffects[][][] mEffects;
|
53
|
private Static4D[][][] mQuatScramble;
|
54
|
private Static3D[][][] mRotationAxis;
|
55
|
private Dynamic1D[][][] mRotationAngle;
|
56
|
private Static3D[][][] mCurrentPosition;
|
57
|
private Static1D mRotationAngleStatic, mRotationAngleNearest;
|
58
|
private DistortedTexture mTexture;
|
59
|
private DistortedEffects mEffectsListeningForNow;
|
60
|
|
61
|
private int mRotAxis, mRotRow;
|
62
|
private int mSize;
|
63
|
|
64
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
65
|
|
66
|
RubikCube(int size, Static3D move, Static3D scale, Static4D quatC, Static4D quatA)
|
67
|
{
|
68
|
mSize = size;
|
69
|
|
70
|
mRotationAngleStatic = new Static1D(0);
|
71
|
mRotationAngleNearest = new Static1D(0);
|
72
|
|
73
|
mRotAxis= RubikSurfaceView.VECTX;
|
74
|
mTexture = new DistortedTexture(TEXTURE_SIZE,TEXTURE_SIZE);
|
75
|
|
76
|
mCubes = new MeshCubes[mSize][mSize][mSize];
|
77
|
mEffects = new DistortedEffects[mSize][mSize][mSize];
|
78
|
mQuatScramble = new Static4D[mSize][mSize][mSize];
|
79
|
mRotationAxis = new Static3D[mSize][mSize][mSize];
|
80
|
mRotationAngle = new Dynamic1D[mSize][mSize][mSize];
|
81
|
mCurrentPosition= new Static3D[mSize][mSize][mSize];
|
82
|
|
83
|
Static3D[][][] cubeVectors = new Static3D[mSize][mSize][mSize];
|
84
|
|
85
|
Static3D center = new Static3D(TEXTURE_SIZE*0.5f, TEXTURE_SIZE*0.5f, TEXTURE_SIZE*0.5f);
|
86
|
Static4D region = new Static4D(0,0,0, TEXTURE_SIZE*0.72f);
|
87
|
|
88
|
VertexEffectSink sinkEffect = new VertexEffectSink( new Static1D(3.0f - 1.8f/mSize), center, region );
|
89
|
MatrixEffectMove moveEffect = new MatrixEffectMove(move);
|
90
|
MatrixEffectScale scaleEffect = new MatrixEffectScale(scale);
|
91
|
MatrixEffectQuaternion quatCEffect = new MatrixEffectQuaternion(quatC, center);
|
92
|
MatrixEffectQuaternion quatAEffect = new MatrixEffectQuaternion(quatA, center);
|
93
|
|
94
|
// 3x2 bitmap = 6 squares:
|
95
|
//
|
96
|
// RED GREEN BLUE
|
97
|
// YELLOW WHITE BROWN
|
98
|
|
99
|
final float ze = 0.0f;
|
100
|
final float ot = 1.0f/3.0f;
|
101
|
final float tt = 2.0f/3.0f;
|
102
|
final float oh = 1.0f/2.0f;
|
103
|
final float of = 1.0f/40.0f;
|
104
|
|
105
|
final Static4D mapFront = new Static4D(ze,oh, ze+ot,oh+oh);
|
106
|
final Static4D mapBack = new Static4D(tt,ze, tt+ot,ze+oh);
|
107
|
final Static4D mapLeft = new Static4D(ot,ze, ot+ot,ze+oh);
|
108
|
final Static4D mapRight = new Static4D(ze,ze, ze+ot,ze+oh);
|
109
|
final Static4D mapTop = new Static4D(tt,oh, tt+ot,oh+oh);
|
110
|
final Static4D mapBottom= new Static4D(ot,oh, ot+ot,oh+oh);
|
111
|
|
112
|
final Static4D mapBlack = new Static4D(ze,ze, ze+of,ze+of);
|
113
|
|
114
|
Static4D tmpFront, tmpBack, tmpLeft, tmpRight, tmpTop, tmpBottom;
|
115
|
float nc = 0.5f*(mSize-1);
|
116
|
int vertices = (int)(24.0f/mSize + 2.0f);
|
117
|
|
118
|
for(int x = 0; x< mSize; x++)
|
119
|
for(int y = 0; y< mSize; y++)
|
120
|
for(int z = 0; z< mSize; z++)
|
121
|
{
|
122
|
if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 ) // only the external walls
|
123
|
{
|
124
|
tmpLeft = (x== 0 ? mapLeft :mapBlack);
|
125
|
tmpRight = (x== mSize-1 ? mapRight :mapBlack);
|
126
|
tmpFront = (z== mSize-1 ? mapFront :mapBlack);
|
127
|
tmpBack = (z== 0 ? mapBack :mapBlack);
|
128
|
tmpTop = (y== mSize-1 ? mapTop :mapBlack);
|
129
|
tmpBottom= (y== 0 ? mapBottom:mapBlack);
|
130
|
|
131
|
mCubes[x][y][z] = new MeshCubes(vertices,vertices,vertices, tmpFront, tmpBack, tmpLeft, tmpRight, tmpTop, tmpBottom);
|
132
|
cubeVectors[x][y][z] = new Static3D( TEXTURE_SIZE*(x-nc), TEXTURE_SIZE*(y-nc), TEXTURE_SIZE*(z-nc) );
|
133
|
mQuatScramble[x][y][z] = new Static4D(0,0,0,1);
|
134
|
mRotationAngle[x][y][z] = new Dynamic1D();
|
135
|
mRotationAxis[x][y][z] = new Static3D(1,0,0);
|
136
|
mCurrentPosition[x][y][z] = new Static3D(x,y,z);
|
137
|
|
138
|
mEffects[x][y][z] = new DistortedEffects();
|
139
|
mEffects[x][y][z].apply(sinkEffect);
|
140
|
mEffects[x][y][z].apply(moveEffect);
|
141
|
mEffects[x][y][z].apply(scaleEffect);
|
142
|
mEffects[x][y][z].apply(quatCEffect);
|
143
|
mEffects[x][y][z].apply(quatAEffect);
|
144
|
mEffects[x][y][z].apply( new MatrixEffectRotate( mRotationAngle[x][y][z], mRotationAxis[x][y][z], center));
|
145
|
mEffects[x][y][z].apply( new MatrixEffectQuaternion(mQuatScramble[x][y][z], center));
|
146
|
mEffects[x][y][z].apply( new MatrixEffectMove(cubeVectors[x][y][z]) );
|
147
|
}
|
148
|
}
|
149
|
}
|
150
|
|
151
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
152
|
|
153
|
void attachToScreen(DistortedScreen screen)
|
154
|
{
|
155
|
for(int x=0; x<mSize; x++)
|
156
|
for(int y=0; y<mSize; y++)
|
157
|
for(int z=0; z<mSize; z++)
|
158
|
{
|
159
|
if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 )
|
160
|
{
|
161
|
screen.attach(mTexture,mEffects[x][y][z],mCubes[x][y][z]);
|
162
|
}
|
163
|
}
|
164
|
}
|
165
|
|
166
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
167
|
|
168
|
void addNewRotation(int vector, float offset )
|
169
|
{
|
170
|
Static3D axis = VectX;
|
171
|
|
172
|
switch(vector)
|
173
|
{
|
174
|
case RubikSurfaceView.VECTX: axis = VectX; break;
|
175
|
case RubikSurfaceView.VECTY: axis = VectY; break;
|
176
|
case RubikSurfaceView.VECTZ: axis = VectZ; break;
|
177
|
}
|
178
|
|
179
|
mRotAxis = vector;
|
180
|
mRotRow = (int)(mSize*offset);
|
181
|
|
182
|
mRotationAngleStatic.set1(0.0f);
|
183
|
|
184
|
for(int x=0; x<mSize; x++)
|
185
|
for(int y=0; y<mSize; y++)
|
186
|
for(int z=0; z<mSize; z++)
|
187
|
if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 )
|
188
|
{
|
189
|
if( belongsToRotation(x,y,z,vector,mRotRow) )
|
190
|
{
|
191
|
mRotationAxis[x][y][z].set(axis);
|
192
|
mRotationAngle[x][y][z].add(mRotationAngleStatic);
|
193
|
}
|
194
|
}
|
195
|
}
|
196
|
|
197
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
198
|
|
199
|
void continueRotation(float angleInDegrees)
|
200
|
{
|
201
|
mRotationAngleStatic.set1(angleInDegrees);
|
202
|
}
|
203
|
|
204
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
205
|
|
206
|
private int computeNearestAngle(float angle)
|
207
|
{
|
208
|
final int NEAREST = 90;
|
209
|
|
210
|
int tmp = (int)((angle+NEAREST/2)/NEAREST);
|
211
|
if( angle< -(NEAREST/2) ) tmp-=1;
|
212
|
|
213
|
return NEAREST*tmp;
|
214
|
}
|
215
|
|
216
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
217
|
|
218
|
void finishRotationCalledOnNextRender(EffectListener listener)
|
219
|
{
|
220
|
boolean first = true;
|
221
|
int nearestAngleInDegrees = computeNearestAngle(mRotationAngleStatic.get1());
|
222
|
|
223
|
|
224
|
android.util.Log.e("cube", "finish: angle="+((int)mRotationAngleStatic.get1())+" ret: "+nearestAngleInDegrees);
|
225
|
|
226
|
|
227
|
mRotationAngleNearest.set1(nearestAngleInDegrees);
|
228
|
|
229
|
for(int x=0; x<mSize; x++)
|
230
|
for(int y=0; y<mSize; y++)
|
231
|
for(int z=0; z<mSize; z++)
|
232
|
if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 )
|
233
|
{
|
234
|
if( belongsToRotation(x,y,z,mRotAxis,mRotRow) )
|
235
|
{
|
236
|
mRotationAngle[x][y][z].makeRunNowFor(2000);
|
237
|
mRotationAngle[x][y][z].add(mRotationAngleNearest);
|
238
|
|
239
|
if( first )
|
240
|
{
|
241
|
first = false;
|
242
|
mEffectsListeningForNow = mEffects[x][y][z];
|
243
|
mEffectsListeningForNow.registerForMessages(listener);
|
244
|
}
|
245
|
}
|
246
|
}
|
247
|
}
|
248
|
|
249
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
250
|
|
251
|
void removeRotationCalledOnNextRender(EffectListener listener)
|
252
|
{
|
253
|
mEffectsListeningForNow.deregisterForMessages(listener);
|
254
|
|
255
|
int nearestAngleInDegrees = computeNearestAngle(mRotationAngleStatic.get1());
|
256
|
double nearestAngleInRadians = nearestAngleInDegrees*Math.PI/180;
|
257
|
float sinA =-(float)Math.sin(nearestAngleInRadians*0.5);
|
258
|
float cosA = (float)Math.cos(nearestAngleInRadians*0.5);
|
259
|
|
260
|
android.util.Log.e("cube", "remove: angle="+((int)mRotationAngleStatic.get1())+" ret: "+nearestAngleInDegrees);
|
261
|
|
262
|
mRotationAngleStatic.set1(0);
|
263
|
mRotationAngleNearest.set1(0);
|
264
|
|
265
|
float qx=0,qy=0,qz=0;
|
266
|
|
267
|
switch(mRotAxis)
|
268
|
{
|
269
|
case RubikSurfaceView.VECTX: qx=1; break;
|
270
|
case RubikSurfaceView.VECTY: qy=1; break;
|
271
|
case RubikSurfaceView.VECTZ: qz=1; break;
|
272
|
}
|
273
|
|
274
|
Static4D quat = new Static4D(qx*sinA, qy*sinA, qz*sinA, cosA);
|
275
|
|
276
|
for(int x=0; x<mSize; x++)
|
277
|
for(int y=0; y<mSize; y++)
|
278
|
for(int z=0; z<mSize; z++)
|
279
|
if( x==0 || x==mSize-1 || y==0 || y==mSize-1 || z==0 || z==mSize-1 )
|
280
|
{
|
281
|
if( belongsToRotation(x,y,z,mRotAxis,mRotRow) )
|
282
|
{
|
283
|
mRotationAngle[x][y][z].makeRunNowFor(0);
|
284
|
mRotationAngle[x][y][z].removeAll();
|
285
|
mQuatScramble[x][y][z].set(RubikSurfaceView.quatMultiply(quat,mQuatScramble[x][y][z]));
|
286
|
modifyCurrentPosition(x,y,z,quat);
|
287
|
}
|
288
|
}
|
289
|
}
|
290
|
|
291
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
292
|
|
293
|
private boolean belongsToRotation(int x, int y, int z, int vector, int row)
|
294
|
{
|
295
|
switch(vector)
|
296
|
{
|
297
|
case RubikSurfaceView.VECTX: return mCurrentPosition[x][y][z].get1()==row;
|
298
|
case RubikSurfaceView.VECTY: return mCurrentPosition[x][y][z].get2()==row;
|
299
|
case RubikSurfaceView.VECTZ: return mCurrentPosition[x][y][z].get3()==row;
|
300
|
}
|
301
|
|
302
|
return false;
|
303
|
}
|
304
|
|
305
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
306
|
|
307
|
private void modifyCurrentPosition(int x, int y, int z, Static4D quat)
|
308
|
{
|
309
|
Static3D current = mCurrentPosition[x][y][z];
|
310
|
float diff = 0.5f*(mSize-1);
|
311
|
float cubitCenterX = current.get1() - diff;
|
312
|
float cubitCenterY = current.get2() - diff;
|
313
|
float cubitCenterZ = current.get3() - diff;
|
314
|
|
315
|
Static4D cubitCenter = new Static4D(cubitCenterX, cubitCenterY, cubitCenterZ, 0);
|
316
|
Static4D rotatedCenter = RubikSurfaceView.rotateVectorByQuat( cubitCenter, quat);
|
317
|
|
318
|
float rotatedX = rotatedCenter.get1() + diff;
|
319
|
float rotatedY = rotatedCenter.get2() + diff;
|
320
|
float rotatedZ = rotatedCenter.get3() + diff;
|
321
|
|
322
|
int roundedX = (int)(rotatedX+0.1f);
|
323
|
int roundedY = (int)(rotatedY+0.1f);
|
324
|
int roundedZ = (int)(rotatedZ+0.1f);
|
325
|
|
326
|
mCurrentPosition[x][y][z].set1(roundedX);
|
327
|
mCurrentPosition[x][y][z].set2(roundedY);
|
328
|
mCurrentPosition[x][y][z].set3(roundedZ);
|
329
|
}
|
330
|
|
331
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
332
|
|
333
|
void createTexture()
|
334
|
{
|
335
|
Bitmap bitmap;
|
336
|
|
337
|
final int S = 128;
|
338
|
final int W = 3*S;
|
339
|
final int H = 2*S;
|
340
|
final int R = S/10;
|
341
|
final int M = S/20;
|
342
|
|
343
|
Paint paint = new Paint();
|
344
|
bitmap = Bitmap.createBitmap(W,H, Bitmap.Config.ARGB_8888);
|
345
|
Canvas canvas = new Canvas(bitmap);
|
346
|
|
347
|
paint.setAntiAlias(true);
|
348
|
paint.setTextAlign(Paint.Align.CENTER);
|
349
|
paint.setStyle(Paint.Style.FILL);
|
350
|
|
351
|
// 3x2 bitmap = 6 squares:
|
352
|
//
|
353
|
// RED GREEN BLUE
|
354
|
// YELLOW WHITE BROWN
|
355
|
|
356
|
paint.setColor(0xff000000); // BLACK BACKGROUND
|
357
|
canvas.drawRect(0, 0, W, H, paint); //
|
358
|
|
359
|
paint.setColor(0xffff0000); // RED
|
360
|
canvas.drawRoundRect( M, M, S-M, S-M, R, R, paint); //
|
361
|
paint.setColor(0xff00ff00); // GREEN
|
362
|
canvas.drawRoundRect( S+M, M, 2*S-M, S-M, R, R, paint); //
|
363
|
paint.setColor(0xff0000ff); // BLUE
|
364
|
canvas.drawRoundRect(2*S+M, M, 3*S-M, S-M, R, R, paint); //
|
365
|
paint.setColor(0xffffff00); // YELLOW
|
366
|
canvas.drawRoundRect( M, S+M, S-M, 2*S-M, R, R, paint); //
|
367
|
paint.setColor(0xffffffff); // WHITE
|
368
|
canvas.drawRoundRect( S+M, S+M, 2*S-M, 2*S-M, R, R, paint); //
|
369
|
paint.setColor(0xffb5651d); // BROWN
|
370
|
canvas.drawRoundRect(2*S+M, S+M, 3*S-M, 2*S-M, R, R, paint); //
|
371
|
|
372
|
mTexture.setTexture(bitmap);
|
373
|
}
|
374
|
|
375
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
376
|
|
377
|
float getTextureSize()
|
378
|
{
|
379
|
return TEXTURE_SIZE;
|
380
|
}
|
381
|
|
382
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
383
|
|
384
|
float getSize()
|
385
|
{
|
386
|
return mSize;
|
387
|
}
|
388
|
}
|