Revision 93594b95
Added by Leszek Koltunski almost 5 years ago
| src/main/java/org/distorted/object/RubikCubeMovement.java | ||
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class RubikCubeMovement extends RubikObjectMovement |
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{
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private final static int NONE =-1; |
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private final static int FRONT = 0; // |
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private final static int BACK = 1; // |
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private final static int LEFT = 2; // has to be 6 consecutive ints |
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private final static int RIGHT = 3; // FRONT ... BOTTOM |
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private final static int TOP = 4; // |
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private final static int BOTTOM = 5; // |
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private final static int LEFT = 0; // axisX left |
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private final static int RIGHT = 1; // axisX right |
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private final static int BOTTOM = 2; // axisY left |
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private final static int TOP = 3; // axisY right |
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private final static int BACK = 4; // axisZ left |
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private final static int FRONT = 5; // axisZ right |
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private static final int VECTX = 0; // |
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private static final int VECTY = 1; // don't change this |
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private static final int VECTZ = 2; // |
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private static final int[] VECT = {VECTX,VECTY,VECTZ};
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private float[] mPoint, mCamera, mDiff, mTouch; |
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private int mRotationVect, mLastTouchedFace; |
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|
| ... | ... | |
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private int retFaceXaxis(int face) |
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{
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switch(face) |
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{
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case FRONT : |
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case BACK : return VECTX; |
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case LEFT : |
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case RIGHT : return VECTZ; |
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case TOP : |
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case BOTTOM: return VECTX; |
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} |
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return -1; |
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return face==LEFT || face==RIGHT ? VECTZ : VECTX; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private int retFaceYaxis(int face) |
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{
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switch(face) |
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{
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case FRONT : |
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case BACK : return VECTY; |
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case LEFT : |
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case RIGHT : return VECTY; |
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case TOP : |
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case BOTTOM: return VECTZ; |
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} |
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return -1; |
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return face==TOP || face==BOTTOM ? VECTZ : VECTY; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private int retFaceZaxis(int face)
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private int retFaceAxis(int face)
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{
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switch(face) |
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{
|
| ... | ... | |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private boolean faceIsVisible(int face, float cubeHalfSize)
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private boolean faceIsVisible(int face) |
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{
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int sign = retFaceSign(face); |
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int zAxis= retFaceZaxis(face);
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int zAxis= retFaceAxis(face);
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return sign*mCamera[zAxis] > cubeHalfSize;
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return sign*mCamera[zAxis] > 0.5f;
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// cast this touch point onto the surface defined by the 'face' and write the cast coords to 'output'. |
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// Center of the 'face' = (0,0), third coord always +- cubeHalfSize. |
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private void castTouchPointOntoFace(int face, float cubeHalfSize, float[] output)
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private void castTouchPointOntoFace(int face, float[] output) |
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{
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int sign = retFaceSign(face); |
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int zAxis= retFaceZaxis(face);
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int zAxis= retFaceAxis(face);
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float diff = mPoint[zAxis]-mCamera[zAxis]; |
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float ratio = diff!=0.0f ? (sign*cubeHalfSize-mCamera[zAxis])/diff : 0.0f;
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float ratio = diff!=0.0f ? (sign*0.5f-mCamera[zAxis])/diff : 0.0f;
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output[0] = (mPoint[0]-mCamera[0])*ratio + mCamera[0]; |
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output[1] = (mPoint[1]-mCamera[1])*ratio + mCamera[1]; |
| ... | ... | |
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public boolean faceTouched(Static4D rotatedTouchPoint, Static4D rotatedCamera) |
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{
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float cubeHalfSize= RubikObject.OBJECT_SCREEN_RATIO*0.5f; |
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mPoint[0] = rotatedTouchPoint.get0(); |
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mPoint[1] = rotatedTouchPoint.get1(); |
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mPoint[2] = rotatedTouchPoint.get2(); |
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mPoint[0] = rotatedTouchPoint.get0()/RubikObject.OBJECT_SCREEN_RATIO; |
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mPoint[1] = rotatedTouchPoint.get1()/RubikObject.OBJECT_SCREEN_RATIO; |
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mPoint[2] = rotatedTouchPoint.get2()/RubikObject.OBJECT_SCREEN_RATIO; |
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mCamera[0] = rotatedCamera.get0(); |
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mCamera[1] = rotatedCamera.get1(); |
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mCamera[2] = rotatedCamera.get2(); |
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mCamera[0] = rotatedCamera.get0()/RubikObject.OBJECT_SCREEN_RATIO;
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mCamera[1] = rotatedCamera.get1()/RubikObject.OBJECT_SCREEN_RATIO;
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mCamera[2] = rotatedCamera.get2()/RubikObject.OBJECT_SCREEN_RATIO;
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for( mLastTouchedFace=FRONT; mLastTouchedFace<=BOTTOM; mLastTouchedFace++)
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for( mLastTouchedFace=LEFT; mLastTouchedFace<=FRONT; mLastTouchedFace++)
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{
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if( faceIsVisible(mLastTouchedFace,cubeHalfSize) )
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if( faceIsVisible(mLastTouchedFace) ) |
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{
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castTouchPointOntoFace(mLastTouchedFace,cubeHalfSize, mTouch);
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castTouchPointOntoFace(mLastTouchedFace, mTouch); |
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float qX= (mTouch[0]+cubeHalfSize) / (2*cubeHalfSize); |
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float qY= (mTouch[1]+cubeHalfSize) / (2*cubeHalfSize); |
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float qZ= (mTouch[2]+cubeHalfSize) / (2*cubeHalfSize); |
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if( qX<=1 && qX>=0 && qY<=1 && qY>=0 && qZ<=1 && qZ>=0 ) return true; |
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if( mTouch[0]<=0.5f && mTouch[0]>=-0.5f && |
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mTouch[1]<=0.5f && mTouch[1]>=-0.5f && |
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mTouch[2]<=0.5f && mTouch[2]>=-0.5f ) return true; |
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} |
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} |
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mLastTouchedFace = NONE; |
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return false; |
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} |
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|
| ... | ... | |
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public Static2D newRotation(Static4D rotatedTouchPoint) |
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{
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float cubeHalfSize= RubikObject.OBJECT_SCREEN_RATIO*0.5f; |
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mPoint[0] = rotatedTouchPoint.get0(); |
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mPoint[1] = rotatedTouchPoint.get1(); |
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mPoint[2] = rotatedTouchPoint.get2(); |
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mPoint[0] = rotatedTouchPoint.get0()/RubikObject.OBJECT_SCREEN_RATIO; |
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mPoint[1] = rotatedTouchPoint.get1()/RubikObject.OBJECT_SCREEN_RATIO; |
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mPoint[2] = rotatedTouchPoint.get2()/RubikObject.OBJECT_SCREEN_RATIO; |
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castTouchPointOntoFace(mLastTouchedFace,cubeHalfSize,mDiff);
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castTouchPointOntoFace(mLastTouchedFace,mDiff); |
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mDiff[0] -= mTouch[0]; |
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mDiff[1] -= mTouch[1]; |
| ... | ... | |
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int xAxis = retFaceXaxis(mLastTouchedFace); |
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int yAxis = retFaceYaxis(mLastTouchedFace); |
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mRotationVect = (isVertical( mDiff[xAxis], mDiff[yAxis]) ? VECT[xAxis]:VECT[yAxis]);
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float offset= (mTouch[mRotationVect]+cubeHalfSize)/(2*cubeHalfSize);
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mRotationVect = (isVertical( mDiff[xAxis], mDiff[yAxis]) ? xAxis : yAxis);
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float offset= mTouch[mRotationVect]+0.5f;
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mTouch[0] = mPoint[0]; |
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mTouch[1] = mPoint[1]; |
| ... | ... | |
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public float continueRotation(Static4D rotatedTouchPoint) |
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{
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mDiff[0] = rotatedTouchPoint.get0()-mTouch[0]; |
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mDiff[1] = rotatedTouchPoint.get1()-mTouch[1]; |
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mDiff[2] = rotatedTouchPoint.get2()-mTouch[2]; |
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mDiff[0] = rotatedTouchPoint.get0()/RubikObject.OBJECT_SCREEN_RATIO-mTouch[0];
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mDiff[1] = rotatedTouchPoint.get1()/RubikObject.OBJECT_SCREEN_RATIO-mTouch[1];
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mDiff[2] = rotatedTouchPoint.get2()/RubikObject.OBJECT_SCREEN_RATIO-mTouch[2];
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int xAxis= retFaceXaxis(mLastTouchedFace); |
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int yAxis= retFaceYaxis(mLastTouchedFace); |
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int sign = retFaceRotationSign(mLastTouchedFace); |
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float angle = (mRotationVect==xAxis ? mDiff[yAxis] : -mDiff[xAxis]); |
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return sign*angle; |
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return sign*angle*0.5f;
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} |
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} |
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