Revision 86c73a69
Added by Leszek Koltunski over 4 years ago
| src/main/java/org/distorted/object/RubikCubeMovement.java | ||
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import org.distorted.library.type.Static2D; |
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import org.distorted.library.type.Static4D; |
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import org.distorted.magic.RubikRenderer; |
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import org.distorted.magic.RubikSurfaceView; |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private static final int[] VECT = {RubikCube.VECTX,RubikCube.VECTY,RubikCube.VECTZ};
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private float[] mPoint, mCamera, mTouchPointCastOntoFace, mDiff, mTouchPoint;
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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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return sign*mCamera[zAxis] > cubeHalfSize; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private void convertTouchPointToScreenSpace(Static4D accumulated, float x, float y) |
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{
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Static4D touchPoint = new Static4D(x, y, 0, 0); |
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Static4D rotatedTouchPoint= RubikSurfaceView.rotateVectorByInvertedQuat(touchPoint, accumulated); |
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mPoint[0] = rotatedTouchPoint.get1(); |
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mPoint[1] = rotatedTouchPoint.get2(); |
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mPoint[2] = rotatedTouchPoint.get3(); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private void convertCameraPointToScreenSpace(Static4D accumulated) |
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{
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Static4D cameraPoint = new Static4D(0, 0, RubikRenderer.CAMERA_DISTANCE, 0); |
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Static4D rotatedCamera= RubikSurfaceView.rotateVectorByInvertedQuat(cameraPoint, accumulated); |
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mCamera[0] = rotatedCamera.get1(); |
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mCamera[1] = rotatedCamera.get2(); |
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mCamera[2] = rotatedCamera.get3(); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// given precomputed mCamera and mPoint, respectively camera and touch point positions in ScreenSpace, |
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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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public RubikCubeMovement() |
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{
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mRotationVect = VECT[0]; |
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mPoint = new float[3]; |
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mCamera= new float[3]; |
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mDiff = new float[3]; |
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mTouchPoint = new float[3]; |
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mTouchPointCastOntoFace = new float[3]; |
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mTouch = new float[3]; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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public boolean faceTouched(Static4D rotQuaternion, float x, float y)
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public boolean faceTouched(Static4D rotatedTouchPoint, Static4D rotatedCamera)
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{
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float cubeHalfSize= RubikCube.CUBE_SCREEN_RATIO*0.5f; |
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convertTouchPointToScreenSpace(rotQuaternion,x,y); |
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convertCameraPointToScreenSpace(rotQuaternion); |
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mPoint[0] = rotatedTouchPoint.get1(); |
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mPoint[1] = rotatedTouchPoint.get2(); |
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mPoint[2] = rotatedTouchPoint.get3(); |
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mCamera[0] = rotatedCamera.get1(); |
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mCamera[1] = rotatedCamera.get2(); |
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mCamera[2] = rotatedCamera.get3(); |
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for( mLastTouchedFace=FRONT; mLastTouchedFace<=BOTTOM; mLastTouchedFace++) |
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{
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if( faceIsVisible(mLastTouchedFace,cubeHalfSize) ) |
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{
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castTouchPointOntoFace(mLastTouchedFace,cubeHalfSize, mTouchPointCastOntoFace);
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castTouchPointOntoFace(mLastTouchedFace,cubeHalfSize, mTouch); |
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float qX= (mTouchPointCastOntoFace[0]+cubeHalfSize) / (2*cubeHalfSize);
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float qY= (mTouchPointCastOntoFace[1]+cubeHalfSize) / (2*cubeHalfSize);
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float qZ= (mTouchPointCastOntoFace[2]+cubeHalfSize) / (2*cubeHalfSize);
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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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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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public Static2D newRotation(Static4D rotQuaternion, float x, float y)
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public Static2D newRotation(Static4D rotatedTouchPoint)
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{
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float cubeHalfSize= RubikCube.CUBE_SCREEN_RATIO*0.5f; |
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convertTouchPointToScreenSpace(rotQuaternion,x,y); |
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mPoint[0] = rotatedTouchPoint.get1(); |
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mPoint[1] = rotatedTouchPoint.get2(); |
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mPoint[2] = rotatedTouchPoint.get3(); |
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castTouchPointOntoFace(mLastTouchedFace,cubeHalfSize,mDiff); |
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mDiff[0] -= mTouchPointCastOntoFace[0];
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mDiff[1] -= mTouchPointCastOntoFace[1];
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mDiff[2] -= mTouchPointCastOntoFace[2];
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mDiff[0] -= mTouch[0]; |
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mDiff[1] -= mTouch[1]; |
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mDiff[2] -= mTouch[2]; |
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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= (mTouchPointCastOntoFace[mRotationVect]+cubeHalfSize)/(2*cubeHalfSize);
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float offset= (mTouch[mRotationVect]+cubeHalfSize)/(2*cubeHalfSize); |
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mTouchPoint[0] = mPoint[0];
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mTouchPoint[1] = mPoint[1];
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mTouchPoint[2] = mPoint[2];
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mTouch[0] = mPoint[0]; |
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mTouch[1] = mPoint[1]; |
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mTouch[2] = mPoint[2]; |
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return new Static2D(mRotationVect,offset); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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public float continueRotation(Static4D rotQuaternion, float x, float y)
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public float continueRotation(Static4D rotatedTouchPoint)
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{
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convertTouchPointToScreenSpace(rotQuaternion,x,y); |
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mDiff[0] = mPoint[0]-mTouchPoint[0]; |
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mDiff[1] = mPoint[1]-mTouchPoint[1]; |
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mDiff[2] = mPoint[2]-mTouchPoint[2]; |
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mDiff[0] = rotatedTouchPoint.get1()-mTouch[0]; |
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mDiff[1] = rotatedTouchPoint.get2()-mTouch[1]; |
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mDiff[2] = rotatedTouchPoint.get3()-mTouch[2]; |
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int xAxis= retFaceXaxis(mLastTouchedFace); |
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int yAxis= retFaceYaxis(mLastTouchedFace); |
Also available in: Unified diff
Movement.