Revision 47ba5ddc
Added by Leszek Koltunski over 4 years ago
| src/main/java/org/distorted/magic/RubikSurfaceView.java | ||
|---|---|---|
| 34 | 34 |
{
|
| 35 | 35 |
// Moving the finger from the middle of the vertical screen to the right edge will rotate a |
| 36 | 36 |
// given face by SWIPING_SENSITIVITY/2 degrees. |
| 37 |
private final static int SWIPING_SENSITIVITY = 240; |
|
| 37 |
private final static int SWIPING_SENSITIVITY = 240;
|
|
| 38 | 38 |
|
| 39 | 39 |
// Moving the finger by 1/12 the distance of min(scrWidth,scrHeight) will start a Rotation. |
| 40 |
private final static int ROTATION_SENSITIVITY= 12; |
|
| 40 |
private final static int ROTATION_SENSITIVITY = 12;
|
|
| 41 | 41 |
|
| 42 | 42 |
// Every 1/12 the distance of min(scrWidth,scrHeight) the direction of cube rotation will reset. |
| 43 | 43 |
private final static int DIRECTION_SENSITIVITY= 12; |
| ... | ... | |
| 68 | 68 |
private static Static4D mTempAccumulated= new Static4D(0,0,0,1); |
| 69 | 69 |
|
| 70 | 70 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 71 |
// return quat1*quat2 |
|
| 71 | 72 |
|
| 72 |
public RubikSurfaceView(Context context, AttributeSet attrs) |
|
| 73 |
{
|
|
| 74 |
super(context,attrs); |
|
| 75 |
|
|
| 76 |
if(!isInEditMode()) |
|
| 77 |
{
|
|
| 78 |
mRotationVect = VECT[0]; |
|
| 79 |
|
|
| 80 |
mPoint = new float[3]; |
|
| 81 |
mCamera= new float[3]; |
|
| 82 |
mDiff = new float[3]; |
|
| 83 |
mTouchPoint = new float[3]; |
|
| 84 |
mTouchPointCastOntoFace = new float[3]; |
|
| 85 |
|
|
| 86 |
mScreenWidth = mScreenHeight = mScreenMin = 0; |
|
| 87 |
|
|
| 88 |
mRenderer = new RubikRenderer(this); |
|
| 89 |
|
|
| 90 |
final ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); |
|
| 91 |
final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo(); |
|
| 92 |
setEGLContextClientVersion( (configurationInfo.reqGlEsVersion>>16) >= 3 ? 3:2 ); |
|
| 93 |
setRenderer(mRenderer); |
|
| 94 |
} |
|
| 95 |
} |
|
| 96 |
|
|
| 97 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 98 |
|
|
| 99 |
@Override |
|
| 100 |
public boolean onTouchEvent(MotionEvent event) |
|
| 101 |
{
|
|
| 102 |
int action = event.getAction(); |
|
| 103 |
int x = (int)event.getX(); |
|
| 104 |
int y = (int)event.getY(); |
|
| 105 |
|
|
| 106 |
switch(action) |
|
| 107 |
{
|
|
| 108 |
case MotionEvent.ACTION_DOWN: mX = x; |
|
| 109 |
mY = y; |
|
| 110 |
mLastTouchedFace = faceTouched(x,y); |
|
| 111 |
|
|
| 112 |
if( mLastTouchedFace != NONE ) |
|
| 113 |
{
|
|
| 114 |
mDragging = false; |
|
| 115 |
mBeginningRotation = mRenderer.canRotate(); |
|
| 116 |
mContinuingRotation = false; |
|
| 117 |
} |
|
| 118 |
else |
|
| 119 |
{
|
|
| 120 |
mDragging = mRenderer.canDrag(); |
|
| 121 |
mBeginningRotation = false; |
|
| 122 |
mContinuingRotation = false; |
|
| 123 |
} |
|
| 124 |
break; |
|
| 125 |
case MotionEvent.ACTION_MOVE: if( mDragging ) |
|
| 126 |
{
|
|
| 127 |
mTempCurrent.set(quatFromDrag(mX-x,mY-y)); |
|
| 128 |
mRenderer.setQuatCurrentOnNextRender(); |
|
| 129 |
|
|
| 130 |
int minimumDist = (mScreenMin*mScreenMin)/(DIRECTION_SENSITIVITY*DIRECTION_SENSITIVITY); |
|
| 131 |
|
|
| 132 |
if( (mX-x)*(mX-x) + (mY-y)*(mY-y) > minimumDist ) |
|
| 133 |
{
|
|
| 134 |
mX = x; |
|
| 135 |
mY = y; |
|
| 136 |
mTempAccumulated.set(quatMultiply(mQuatCurrent, mQuatAccumulated)); |
|
| 137 |
mTempCurrent.set(0f, 0f, 0f, 1f); |
|
| 138 |
mRenderer.setQuatCurrentOnNextRender(); |
|
| 139 |
mRenderer.setQuatAccumulatedOnNextRender(); |
|
| 140 |
} |
|
| 141 |
} |
|
| 142 |
if( mBeginningRotation ) |
|
| 143 |
{
|
|
| 144 |
int minimumDistToStartRotating = (mScreenMin*mScreenMin)/(ROTATION_SENSITIVITY*ROTATION_SENSITIVITY); |
|
| 145 |
|
|
| 146 |
if( (mX-x)*(mX-x)+(mY-y)*(mY-y) > minimumDistToStartRotating ) |
|
| 147 |
{
|
|
| 148 |
addNewRotation(x,y); |
|
| 149 |
mBeginningRotation = false; |
|
| 150 |
mContinuingRotation= true; |
|
| 151 |
} |
|
| 152 |
} |
|
| 153 |
else if( mContinuingRotation ) |
|
| 154 |
{
|
|
| 155 |
continueRotation(x,y); |
|
| 156 |
} |
|
| 157 |
break; |
|
| 158 |
case MotionEvent.ACTION_UP : if( mDragging ) |
|
| 159 |
{
|
|
| 160 |
mTempAccumulated.set(quatMultiply(mQuatCurrent, mQuatAccumulated)); |
|
| 161 |
mTempCurrent.set(0f, 0f, 0f, 1f); |
|
| 162 |
mRenderer.setQuatCurrentOnNextRender(); |
|
| 163 |
mRenderer.setQuatAccumulatedOnNextRender(); |
|
| 164 |
} |
|
| 165 |
|
|
| 166 |
if( mContinuingRotation ) |
|
| 167 |
{
|
|
| 168 |
finishRotation(); |
|
| 169 |
} |
|
| 170 |
|
|
| 171 |
break; |
|
| 172 |
} |
|
| 173 |
|
|
| 174 |
return true; |
|
| 175 |
} |
|
| 176 |
|
|
| 177 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 178 |
|
|
| 179 |
void setQuatAccumulated() |
|
| 73 |
static Static4D quatMultiply( Static4D quat1, Static4D quat2 ) |
|
| 180 | 74 |
{
|
| 181 |
mQuatAccumulated.set(mTempAccumulated);
|
|
| 182 |
}
|
|
| 183 |
|
|
| 184 |
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
| 75 |
float qx = quat1.get1();
|
|
| 76 |
float qy = quat1.get2();
|
|
| 77 |
float qz = quat1.get3(); |
|
| 78 |
float qw = quat1.get4();
|
|
| 185 | 79 |
|
| 186 |
void setQuatCurrent()
|
|
| 187 |
{
|
|
| 188 |
mQuatCurrent.set(mTempCurrent);
|
|
| 189 |
}
|
|
| 80 |
float rx = quat2.get1();
|
|
| 81 |
float ry = quat2.get2();
|
|
| 82 |
float rz = quat2.get3();
|
|
| 83 |
float rw = quat2.get4();
|
|
| 190 | 84 |
|
| 191 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 85 |
float tx = rw*qx - rz*qy + ry*qz + rx*qw; |
|
| 86 |
float ty = rw*qy + rz*qx + ry*qw - rx*qz; |
|
| 87 |
float tz = rw*qz + rz*qw - ry*qx + rx*qy; |
|
| 88 |
float tw = rw*qw - rz*qz - ry*qy - rx*qx; |
|
| 192 | 89 |
|
| 193 |
Static4D getQuatAccumulated() |
|
| 194 |
{
|
|
| 195 |
return mQuatAccumulated; |
|
| 90 |
return new Static4D(tx,ty,tz,tw); |
|
| 196 | 91 |
} |
| 197 | 92 |
|
| 198 | 93 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 94 |
// rotate 'vector' by quat^(-1) ( i.e. return (quat^-1)*vector*quat ) |
|
| 199 | 95 |
|
| 200 |
Static4D getQuatCurrent()
|
|
| 96 |
static Static4D rotateVectorByInvertedQuat(Static4D vector, Static4D quat)
|
|
| 201 | 97 |
{
|
| 202 |
return mQuatCurrent; |
|
| 203 |
} |
|
| 98 |
float qx = quat.get1(); |
|
| 99 |
float qy = quat.get2(); |
|
| 100 |
float qz = quat.get3(); |
|
| 101 |
float qw = quat.get4(); |
|
| 204 | 102 |
|
| 205 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 103 |
Static4D quatInverted= new Static4D(-qx,-qy,-qz,qw); |
|
| 104 |
Static4D tmp = quatMultiply(quatInverted,vector); |
|
| 206 | 105 |
|
| 207 |
RubikRenderer getRenderer() |
|
| 208 |
{
|
|
| 209 |
return mRenderer; |
|
| 106 |
return quatMultiply(tmp,quat); |
|
| 210 | 107 |
} |
| 211 | 108 |
|
| 212 | 109 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 110 |
// rotate 'vector' by quat ( i.e. return quat*vector*(quat^-1) ) |
|
| 213 | 111 |
|
| 214 |
void setScreenSize(int width, int height)
|
|
| 112 |
static Static4D rotateVectorByQuat(Static4D vector, Static4D quat)
|
|
| 215 | 113 |
{
|
| 216 |
mScreenWidth = width; |
|
| 217 |
mScreenHeight= height; |
|
| 218 |
|
|
| 219 |
mScreenMin = width<height ? width:height; |
|
| 220 |
} |
|
| 114 |
float qx = quat.get1(); |
|
| 115 |
float qy = quat.get2(); |
|
| 116 |
float qz = quat.get3(); |
|
| 117 |
float qw = quat.get4(); |
|
| 221 | 118 |
|
| 222 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 119 |
Static4D quatInverted= new Static4D(-qx,-qy,-qz,qw); |
|
| 120 |
Static4D tmp = quatMultiply(quat,vector); |
|
| 223 | 121 |
|
| 224 |
void setCameraDist(float distance) |
|
| 225 |
{
|
|
| 226 |
mCameraDistance = distance; |
|
| 122 |
return quatMultiply(tmp,quatInverted); |
|
| 227 | 123 |
} |
| 228 | 124 |
|
| 229 | 125 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| ... | ... | |
| 310 | 206 |
mRenderer.finishRotation(); |
| 311 | 207 |
} |
| 312 | 208 |
|
| 313 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 314 |
// return quat1*quat2 |
|
| 315 |
|
|
| 316 |
static Static4D quatMultiply( Static4D quat1, Static4D quat2 ) |
|
| 317 |
{
|
|
| 318 |
float qx = quat1.get1(); |
|
| 319 |
float qy = quat1.get2(); |
|
| 320 |
float qz = quat1.get3(); |
|
| 321 |
float qw = quat1.get4(); |
|
| 322 |
|
|
| 323 |
float rx = quat2.get1(); |
|
| 324 |
float ry = quat2.get2(); |
|
| 325 |
float rz = quat2.get3(); |
|
| 326 |
float rw = quat2.get4(); |
|
| 327 |
|
|
| 328 |
float tx = rw*qx - rz*qy + ry*qz + rx*qw; |
|
| 329 |
float ty = rw*qy + rz*qx + ry*qw - rx*qz; |
|
| 330 |
float tz = rw*qz + rz*qw - ry*qx + rx*qy; |
|
| 331 |
float tw = rw*qw - rz*qz - ry*qy - rx*qx; |
|
| 332 |
|
|
| 333 |
return new Static4D(tx,ty,tz,tw); |
|
| 334 |
} |
|
| 335 |
|
|
| 336 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 337 |
// rotate 'vector' by quat^(-1) ( i.e. return (quat^-1)*vector*quat ) |
|
| 338 |
|
|
| 339 |
static Static4D rotateVectorByInvertedQuat(Static4D vector, Static4D quat) |
|
| 340 |
{
|
|
| 341 |
float qx = quat.get1(); |
|
| 342 |
float qy = quat.get2(); |
|
| 343 |
float qz = quat.get3(); |
|
| 344 |
float qw = quat.get4(); |
|
| 345 |
|
|
| 346 |
Static4D quatInverted= new Static4D(-qx,-qy,-qz,qw); |
|
| 347 |
Static4D tmp = quatMultiply(quatInverted,vector); |
|
| 348 |
|
|
| 349 |
return quatMultiply(tmp,quat); |
|
| 350 |
} |
|
| 351 |
|
|
| 352 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 353 |
// rotate 'vector' by quat ( i.e. return quat*vector*(quat^-1) ) |
|
| 354 |
|
|
| 355 |
static Static4D rotateVectorByQuat(Static4D vector, Static4D quat) |
|
| 356 |
{
|
|
| 357 |
float qx = quat.get1(); |
|
| 358 |
float qy = quat.get2(); |
|
| 359 |
float qz = quat.get3(); |
|
| 360 |
float qw = quat.get4(); |
|
| 361 |
|
|
| 362 |
Static4D quatInverted= new Static4D(-qx,-qy,-qz,qw); |
|
| 363 |
Static4D tmp = quatMultiply(quat,vector); |
|
| 364 |
|
|
| 365 |
return quatMultiply(tmp,quatInverted); |
|
| 366 |
} |
|
| 367 |
|
|
| 368 | 209 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 369 | 210 |
|
| 370 | 211 |
private Static4D quatFromDrag(float dragX, float dragY) |
| ... | ... | |
| 513 | 354 |
|
| 514 | 355 |
return -1; |
| 515 | 356 |
} |
| 357 |
|
|
| 358 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 359 |
|
|
| 360 |
void setQuatAccumulated() |
|
| 361 |
{
|
|
| 362 |
mQuatAccumulated.set(mTempAccumulated); |
|
| 363 |
} |
|
| 364 |
|
|
| 365 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 366 |
|
|
| 367 |
void setQuatCurrent() |
|
| 368 |
{
|
|
| 369 |
mQuatCurrent.set(mTempCurrent); |
|
| 370 |
} |
|
| 371 |
|
|
| 372 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 373 |
|
|
| 374 |
Static4D getQuatAccumulated() |
|
| 375 |
{
|
|
| 376 |
return mQuatAccumulated; |
|
| 377 |
} |
|
| 378 |
|
|
| 379 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 380 |
|
|
| 381 |
Static4D getQuatCurrent() |
|
| 382 |
{
|
|
| 383 |
return mQuatCurrent; |
|
| 384 |
} |
|
| 385 |
|
|
| 386 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 387 |
|
|
| 388 |
RubikRenderer getRenderer() |
|
| 389 |
{
|
|
| 390 |
return mRenderer; |
|
| 391 |
} |
|
| 392 |
|
|
| 393 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 394 |
|
|
| 395 |
void setScreenSize(int width, int height) |
|
| 396 |
{
|
|
| 397 |
mScreenWidth = width; |
|
| 398 |
mScreenHeight= height; |
|
| 399 |
|
|
| 400 |
mScreenMin = width<height ? width:height; |
|
| 401 |
} |
|
| 402 |
|
|
| 403 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 404 |
|
|
| 405 |
void setCameraDist(float distance) |
|
| 406 |
{
|
|
| 407 |
mCameraDistance = distance; |
|
| 408 |
} |
|
| 409 |
|
|
| 410 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 411 |
// PUBLIC API |
|
| 412 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 413 |
|
|
| 414 |
public RubikSurfaceView(Context context, AttributeSet attrs) |
|
| 415 |
{
|
|
| 416 |
super(context,attrs); |
|
| 417 |
|
|
| 418 |
if(!isInEditMode()) |
|
| 419 |
{
|
|
| 420 |
mRotationVect = VECT[0]; |
|
| 421 |
|
|
| 422 |
mPoint = new float[3]; |
|
| 423 |
mCamera= new float[3]; |
|
| 424 |
mDiff = new float[3]; |
|
| 425 |
mTouchPoint = new float[3]; |
|
| 426 |
mTouchPointCastOntoFace = new float[3]; |
|
| 427 |
|
|
| 428 |
mScreenWidth = mScreenHeight = mScreenMin = 0; |
|
| 429 |
|
|
| 430 |
mRenderer = new RubikRenderer(this); |
|
| 431 |
|
|
| 432 |
final ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); |
|
| 433 |
final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo(); |
|
| 434 |
setEGLContextClientVersion( (configurationInfo.reqGlEsVersion>>16) >= 3 ? 3:2 ); |
|
| 435 |
setRenderer(mRenderer); |
|
| 436 |
} |
|
| 437 |
} |
|
| 438 |
|
|
| 439 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 440 |
|
|
| 441 |
@Override |
|
| 442 |
public boolean onTouchEvent(MotionEvent event) |
|
| 443 |
{
|
|
| 444 |
int action = event.getAction(); |
|
| 445 |
int x = (int)event.getX(); |
|
| 446 |
int y = (int)event.getY(); |
|
| 447 |
|
|
| 448 |
switch(action) |
|
| 449 |
{
|
|
| 450 |
case MotionEvent.ACTION_DOWN: mX = x; |
|
| 451 |
mY = y; |
|
| 452 |
mLastTouchedFace = faceTouched(x,y); |
|
| 453 |
|
|
| 454 |
if( mLastTouchedFace != NONE ) |
|
| 455 |
{
|
|
| 456 |
mDragging = false; |
|
| 457 |
mBeginningRotation = mRenderer.canRotate(); |
|
| 458 |
mContinuingRotation = false; |
|
| 459 |
} |
|
| 460 |
else |
|
| 461 |
{
|
|
| 462 |
mDragging = mRenderer.canDrag(); |
|
| 463 |
mBeginningRotation = false; |
|
| 464 |
mContinuingRotation = false; |
|
| 465 |
} |
|
| 466 |
break; |
|
| 467 |
case MotionEvent.ACTION_MOVE: if( mDragging ) |
|
| 468 |
{
|
|
| 469 |
mTempCurrent.set(quatFromDrag(mX-x,mY-y)); |
|
| 470 |
mRenderer.setQuatCurrentOnNextRender(); |
|
| 471 |
|
|
| 472 |
int minimumDist = (mScreenMin*mScreenMin)/(DIRECTION_SENSITIVITY*DIRECTION_SENSITIVITY); |
|
| 473 |
|
|
| 474 |
if( (mX-x)*(mX-x) + (mY-y)*(mY-y) > minimumDist ) |
|
| 475 |
{
|
|
| 476 |
mX = x; |
|
| 477 |
mY = y; |
|
| 478 |
mTempAccumulated.set(quatMultiply(mQuatCurrent, mQuatAccumulated)); |
|
| 479 |
mTempCurrent.set(0f, 0f, 0f, 1f); |
|
| 480 |
mRenderer.setQuatCurrentOnNextRender(); |
|
| 481 |
mRenderer.setQuatAccumulatedOnNextRender(); |
|
| 482 |
} |
|
| 483 |
} |
|
| 484 |
if( mBeginningRotation ) |
|
| 485 |
{
|
|
| 486 |
int minimumDistToStartRotating = (mScreenMin*mScreenMin)/(ROTATION_SENSITIVITY*ROTATION_SENSITIVITY); |
|
| 487 |
|
|
| 488 |
if( (mX-x)*(mX-x)+(mY-y)*(mY-y) > minimumDistToStartRotating ) |
|
| 489 |
{
|
|
| 490 |
addNewRotation(x,y); |
|
| 491 |
mBeginningRotation = false; |
|
| 492 |
mContinuingRotation= true; |
|
| 493 |
} |
|
| 494 |
} |
|
| 495 |
else if( mContinuingRotation ) |
|
| 496 |
{
|
|
| 497 |
continueRotation(x,y); |
|
| 498 |
} |
|
| 499 |
break; |
|
| 500 |
case MotionEvent.ACTION_UP : if( mDragging ) |
|
| 501 |
{
|
|
| 502 |
mTempAccumulated.set(quatMultiply(mQuatCurrent, mQuatAccumulated)); |
|
| 503 |
mTempCurrent.set(0f, 0f, 0f, 1f); |
|
| 504 |
mRenderer.setQuatCurrentOnNextRender(); |
|
| 505 |
mRenderer.setQuatAccumulatedOnNextRender(); |
|
| 506 |
} |
|
| 507 |
|
|
| 508 |
if( mContinuingRotation ) |
|
| 509 |
{
|
|
| 510 |
finishRotation(); |
|
| 511 |
} |
|
| 512 |
|
|
| 513 |
break; |
|
| 514 |
} |
|
| 515 |
|
|
| 516 |
return true; |
|
| 517 |
} |
|
| 516 | 518 |
} |
| 517 | 519 |
|
Also available in: Unified diff
RubikCube: further fixes