Revision 680f921e
Added by Leszek Koltunski about 3 years ago
src/main/java/org/distorted/objects/TwistyDiamond.java | ||
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78 | 78 |
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79 | 79 |
private static final float DIST = 0.50f; |
80 | 80 |
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// centers of the 6 octahedrons + 8 tetrahedrons ( i.e. of the all 14 cubits) |
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private static final float[][] CENTERS = new float[][] |
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{ |
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{ DIST, 0, DIST }, |
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{ DIST, 0,-DIST }, |
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{-DIST, 0,-DIST }, |
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{-DIST, 0, DIST }, |
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{ 0, DIST*SQ2 , 0 }, |
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{ 0,-DIST*SQ2 , 0 }, |
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{ 0, DIST*SQ2/2, DIST }, |
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{ DIST, DIST*SQ2/2, 0 }, |
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{ 0, DIST*SQ2/2,-DIST }, |
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{-DIST, DIST*SQ2/2, 0 }, |
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{ 0,-DIST*SQ2/2, DIST }, |
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{ DIST,-DIST*SQ2/2, 0 }, |
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{ 0,-DIST*SQ2/2,-DIST }, |
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{-DIST,-DIST*SQ2/2, 0 } |
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}; |
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// Colors of the faces of cubits. Each cubit has 8 faces |
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private static final int[][] mFaceMap = new int[][] |
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private static final int[][] mOctaFaceMap = new int[][]
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{ |
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{ 6,1,8,8, 2,5,8,8 }, |
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{ 8,1,3,8, 8,5,7,8 }, |
... | ... | |
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{ 6,8,8,4, 2,8,8,0 }, |
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{ 6,1,3,4, 8,8,8,8 }, |
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{ 8,8,8,8, 2,5,7,0 }, |
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{ 6,8,8,8, 8,8,8,8 }, |
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{ 1,8,8,8, 8,8,8,8 }, |
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{ 3,8,8,8, 8,8,8,8 }, |
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{ 4,8,8,8, 8,8,8,8 }, |
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{ 2,8,8,8, 8,8,8,8 }, |
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{ 5,8,8,8, 8,8,8,8 }, |
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{ 7,8,8,8, 8,8,8,8 }, |
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{ 0,8,8,8, 8,8,8,8 } |
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}; |
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private static final int[] mTetraFaceMap = new int[] { 1, 3, 4, 6, 5, 7, 0, 2 }; |
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private static MeshBase mOctaMesh, mTetraMesh; |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
... | ... | |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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float[] getCuts(int size)
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float[] getCuts(int numLayers)
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{ |
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float[] cuts = new float[1]; |
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cuts[0] = 0.0f; |
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return cuts; |
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if( numLayers<2 ) |
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{ |
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return null; |
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} |
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else |
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{ |
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float[] cuts = new float[numLayers-1]; |
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float dist = SQ6*0.666f; |
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float cut = 0.5f*dist*(2-numLayers); |
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for(int i=0; i<numLayers-1; i++) |
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{ |
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cuts[i] = cut; |
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cut += dist; |
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} |
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return cuts; |
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} |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
... | ... | |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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float[][] getCubitPositions(int size) |
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private int getNumOctahedrons(int layers) |
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{ |
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return layers==1 ? 1 : 4*(layers-1)*(layers-1) + 2; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private int getNumTetrahedrons(int layers) |
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{ |
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return 4*layers*(layers-1); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private int createOctahedrons(float[][] centers, int index, int layers, float height) |
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{ |
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float x = DIST*(layers-1); |
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float z = DIST*(layers+1); |
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for(int i=0; i<layers; i++, index++) |
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{ |
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z -= 2*DIST; |
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centers[index][0] = x; |
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centers[index][1] = height; |
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centers[index][2] = z; |
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} |
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for(int i=0; i<layers-1; i++, index++) |
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{ |
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x -= 2*DIST; |
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centers[index][0] = x; |
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centers[index][1] = height; |
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centers[index][2] = z; |
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} |
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for(int i=0; i<layers-1; i++, index++) |
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{ |
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z += 2*DIST; |
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centers[index][0] = x; |
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centers[index][1] = height; |
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centers[index][2] = z; |
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} |
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for(int i=0; i<layers-2; i++, index++) |
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{ |
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x += 2*DIST; |
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centers[index][0] = x; |
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centers[index][1] = height; |
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centers[index][2] = z; |
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} |
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return index; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private int createTetrahedrons(float[][] centers, int index, int layers, float height) |
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{ |
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float x = DIST*(layers-1); |
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float z = DIST*layers; |
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for(int i=0; i<layers-1; i++, index++) |
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{ |
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z -= 2*DIST; |
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centers[index][0] = x; |
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centers[index][1] = height; |
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centers[index][2] = z; |
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} |
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x += DIST; |
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z -= DIST; |
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for(int i=0; i<layers-1; i++, index++) |
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{ |
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x -= 2*DIST; |
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centers[index][0] = x; |
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centers[index][1] = height; |
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centers[index][2] = z; |
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} |
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x -= DIST; |
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z -= DIST; |
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for(int i=0; i<layers-1; i++, index++) |
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{ |
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z += 2*DIST; |
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centers[index][0] = x; |
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centers[index][1] = height; |
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centers[index][2] = z; |
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} |
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x -= DIST; |
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z += DIST; |
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for(int i=0; i<layers-1; i++, index++) |
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{ |
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x += 2*DIST; |
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centers[index][0] = x; |
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centers[index][1] = height; |
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centers[index][2] = z; |
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} |
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return index; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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float[][] getCubitPositions(int layers) |
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{ |
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int numO = getNumOctahedrons(layers); |
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int numT = getNumTetrahedrons(layers); |
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int index = 0; |
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float height = 0.0f; |
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float[][] CENTERS = new float[numO+numT][3]; |
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index = createOctahedrons(CENTERS,index,layers,height); |
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for(int i=layers-1; i>0; i--) |
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{ |
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height += SQ2*DIST; |
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index = createOctahedrons(CENTERS,index,i,+height); |
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index = createOctahedrons(CENTERS,index,i,-height); |
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} |
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height = DIST*SQ2/2; |
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for(int i=layers; i>1; i--) |
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{ |
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index = createTetrahedrons(CENTERS,index,i,+height); |
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index = createTetrahedrons(CENTERS,index,i,-height); |
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height += SQ2*DIST; |
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} |
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return CENTERS; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// TODO: |
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private Static4D getQuat(int cubit)
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private int retFaceTetraBelongsTo(int tetra, int numLayers)
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{ |
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switch(cubit)
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switch(tetra)
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{ |
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case 0: |
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case 1: |
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case 2: |
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case 3: |
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case 4: |
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case 5: |
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case 6: return QUATS[0]; // unit quat |
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case 7: return new Static4D(0,-SQ2/2,0,SQ2/2); // 90 along Y |
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case 8: return QUATS[1]; // 180 along Y |
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case 9: return new Static4D(0,+SQ2/2,0,SQ2/2); // 90 along Y |
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case 10: return new Static4D(0, 0,1, 0); // 180 along Z |
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case 11: return new Static4D(SQ2/2, 0,SQ2/2,0); // |
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case 12: return new Static4D( 1,0,0, 0); // 180 along X |
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case 13: return new Static4D(-SQ2/2,0,SQ2/2,0); // |
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case 0 : return 0; |
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case 1 : return 1; |
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case 2 : return 2; |
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case 3 : return 3; |
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case 4 : return 4; |
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case 5 : return 5; |
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case 6 : return 6; |
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case 7 : return 7; |
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default: return 8; |
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} |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private Static4D getQuat(int cubit, int numLayers, int numO) |
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{ |
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if( cubit<numO ) return QUATS[0]; |
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switch( retFaceTetraBelongsTo(cubit-numO, numLayers) ) |
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{ |
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case 0: return new Static4D(0,-SQ2/2,0,SQ2/2); // 90 along Y |
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case 1: return QUATS[1]; // 180 along Y |
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case 2: return new Static4D(0,+SQ2/2,0,SQ2/2); // 90 along Y |
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case 3: return QUATS[0]; // unit quat |
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case 4: return new Static4D(SQ2/2, 0,SQ2/2,0); // |
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case 5: return new Static4D( 1,0,0, 0); // 180 along X |
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case 6: return new Static4D(-SQ2/2,0,SQ2/2,0); // |
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case 7: return new Static4D(0, 0,1, 0); // 180 along Z |
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} |
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return null; |
... | ... | |
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MeshBase createCubitMesh(int cubit, int numLayers) |
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{ |
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MeshBase mesh; |
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int numO = getNumOctahedrons(numLayers); |
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if( cubit<6 )
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if( cubit<numO )
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{ |
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if( mOctaMesh==null ) mOctaMesh = FactoryCubit.getInstance().createOctaMesh(); |
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mesh = mOctaMesh.copy(true); |
... | ... | |
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mesh = mTetraMesh.copy(true); |
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} |
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MatrixEffectQuaternion quat = new MatrixEffectQuaternion( getQuat(cubit), new Static3D(0,0,0) ); |
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Static4D sQ = getQuat(cubit,numLayers,numO); |
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MatrixEffectQuaternion quat = new MatrixEffectQuaternion( sQ, new Static3D(0,0,0) ); |
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mesh.apply(quat,0xffffffff,0); |
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return mesh; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
375 |
// TODO |
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238 | 376 |
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int getFaceColor(int cubit, int cubitface, int size)
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int getFaceColor(int cubit, int cubitface, int numLayers)
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{ |
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return mFaceMap[cubit][cubitface]; |
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int numO = getNumOctahedrons(numLayers); |
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if( cubit<numO ) |
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{ |
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return mOctaFaceMap[cubit][cubitface]; |
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} |
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else |
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{ |
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return cubitface>0 ? 8 : mTetraFaceMap[retFaceTetraBelongsTo(cubit-numO, numLayers)]; |
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} |
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242 | 389 |
} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
... | ... | |
266 | 413 |
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float[] getRowChances(int numLayers) |
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{ |
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float[] chances = new float[2];
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float[] chances = new float[numLayers];
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chances[0] = 0.5f; |
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chances[1] = 1.0f; |
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for(int i=0; i<numLayers; i++) chances[i] = ((float)(i+1))/numLayers; |
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return chances; |
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} |
... | ... | |
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// 2) cubits 7,13: can also be QUAT 4,8 |
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// 3) cubits 8,10: can also be QUAT 7,11 |
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// 4) cubits 9,11: can also be QUAT 5,9 |
522 |
// TODO |
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376 | 523 |
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377 | 524 |
public boolean isSolved() |
378 | 525 |
{ |
Also available in: Unified diff
Progress making the Diamond class support any size.