Revision ead91342
Added by Leszek Koltunski about 3 years ago
| src/main/java/org/distorted/objects/TwistyMegaminx.java | ||
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| 44 | 44 |
{
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static final float MEGA_D = 0.04f; |
| 46 | 46 |
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private static final int NUM_CORNERS = 20; |
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private static final int NUM_CENTERS = 12; |
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private static final int NUM_EDGES = 30; |
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// the five vertices that form a given face. Order: the same as colors |
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// of the faces in TwistyMinx. |
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private static final int[][] mCenterMap = |
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{
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{ 0, 12, 4, 14, 2},
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{ 0, 2, 18, 6, 16},
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{ 6, 18, 11, 19, 7},
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{ 3, 15, 9, 11, 19},
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{ 4, 5, 15, 9, 14},
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{ 1, 13, 5, 15, 3},
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{ 1, 3, 19, 7, 17},
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{10, 16, 6, 7, 17},
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{ 0, 12, 8, 10, 16},
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{ 8, 13, 5, 4, 12},
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{ 1, 13, 8, 10, 17},
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{ 2, 14, 9, 11, 18},
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}; |
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// the quadruple ( vertex1, vertex2, face1, face2 ) defining an edge. |
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// In fact the 2 vertices already define it, the faces only provide easy |
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// way to get to know the colors. Order: arbitrary. Face1 arbitrarily on |
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// the 'left' or right of vector vertex1 --> vertex2, according to Quat. |
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private static final int[][] mEdgeMap = |
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{
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{ 0, 12, 0, 8},
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{ 12, 4, 0, 9},
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{ 4, 14, 0, 4},
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{ 14, 2, 0, 11},
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{ 2, 0, 0, 1},
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{ 14, 9, 4, 11},
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{ 9, 11, 3, 11},
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{ 11, 18, 2, 11},
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{ 18, 2, 1, 11},
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{ 18, 6, 1, 2},
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{ 6, 16, 1, 7},
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{ 16, 0, 8, 1},
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{ 16, 10, 7, 8},
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{ 10, 8, 10, 8},
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{ 8, 12, 9, 8},
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{ 8, 13, 9, 10},
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{ 13, 5, 9, 5},
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{ 5, 4, 9, 4},
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{ 5, 15, 5, 4},
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{ 15, 9, 3, 4},
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{ 11, 19, 2, 3},
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{ 19, 7, 2, 6},
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{ 7, 6, 2, 7},
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{ 7, 17, 7, 6},
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{ 17, 10, 7, 10},
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{ 17, 1, 10, 6},
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{ 1, 3, 5, 6},
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{ 3, 19, 3, 6},
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{ 1, 13, 10, 5},
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{ 3, 15, 3, 5},
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}; |
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private static final int[] QUAT_EDGE_INDICES = |
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{
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56, 40, 43, 59, 0, 55, 10, 17, 25, 49, |
| ... | ... | |
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16, 18, 22, 1, 20, 13, 14, 15, 0, 12, 2, 3 |
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}; |
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private static final float[][] mCenterCoords = new float[NUM_CENTERS][3]; |
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static |
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{
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for(int center=0; center<NUM_CENTERS; center++) |
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{
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int[] map = mCenterMap[center]; |
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float x = CORNERS[map[0]][0] + |
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CORNERS[map[1]][0] + |
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CORNERS[map[2]][0] + |
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CORNERS[map[3]][0] + |
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CORNERS[map[4]][0] ; |
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float y = CORNERS[map[0]][1] + |
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CORNERS[map[1]][1] + |
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CORNERS[map[2]][1] + |
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CORNERS[map[3]][1] + |
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CORNERS[map[4]][1] ; |
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float z = CORNERS[map[0]][2] + |
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CORNERS[map[1]][2] + |
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CORNERS[map[2]][2] + |
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CORNERS[map[3]][2] + |
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CORNERS[map[4]][2] ; |
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mCenterCoords[center][0] = x/5; |
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mCenterCoords[center][1] = y/5; |
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mCenterCoords[center][2] = z/5; |
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} |
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} |
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private static MeshBase[] mCenterMeshes, mCornerMeshes; |
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private static MeshBase[][] mEdgeMeshes; |
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private static final Static4D[] mBasicCornerV, mCurrCornerV; |
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static |
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{
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mBasicCornerV = new Static4D[3]; |
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mCurrCornerV = new Static4D[3]; |
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mBasicCornerV[0] = new Static4D( (SQ5+1)*0.125f, (SQ5-1)*0.125f, -0.250f, 0.0f ); |
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mBasicCornerV[1] = new Static4D(-(SQ5+1)*0.125f, (SQ5-1)*0.125f, -0.250f, 0.0f ); |
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mBasicCornerV[2] = new Static4D( 0, -0.500f, 0.0f, 0.0f ); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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TwistyMegaminx(int size, Static4D quat, DistortedTexture texture, MeshSquare mesh, |
| ... | ... | |
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} |
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else |
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{
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float E = 2.0f*(numLayers/3.0f)*(0.5f-MEGA_D)/(0.5f*(numLayers-1));
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float E = 2.0f*D*(0.5f-MEGA_D)/(0.5f*(numLayers-1));
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int N = (numCubitsPerCorner-1)/3; |
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int block = (part-1) % N; |
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int index = (part-1) / N; |
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Static4D pri = mCurrCornerV[index]; |
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Static4D sec = mCurrCornerV[(index+2)%3]; |
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int multP = (block % ((numLayers-3)/2)) + 1; |
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int multS = (block / ((numLayers-3)/2)); |
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int layers= (numLayers-5)/2; |
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int multP = (block % layers) + 1; |
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int multS = (block / layers); |
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return new float[] {
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corn[0]*D + (pri.get0()*multP + sec.get0()*multS)*E, |
| ... | ... | |
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private float[] computeEdge(int numLayers, int edge, int part) |
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{
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float corr = numLayers/3.0f;
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float D = numLayers/3.0f;
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float[] c1 = CORNERS[ mEdgeMap[edge][0] ]; |
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float[] c2 = CORNERS[ mEdgeMap[edge][1] ]; |
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float x = corr * (c1[0]+c2[0]) / 2;
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float y = corr * (c1[1]+c2[1]) / 2;
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float z = corr * (c1[2]+c2[2]) / 2;
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float x = D * (c1[0]+c2[0]) / 2;
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float y = D * (c1[1]+c2[1]) / 2;
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float z = D * (c1[2]+c2[2]) / 2;
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if( part==0 ) |
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{
|
| ... | ... | |
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int dir = (part+1)%2; |
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float[] center = mCenterCoords[ mEdgeMap[edge][dir+2] ]; |
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float vX = corr*center[0] - x;
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float vY = corr*center[1] - y;
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float vZ = corr*center[2] - z;
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float vX = D*center[0] - x;
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float vY = D*center[1] - y;
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float vZ = D*center[2] - z;
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float len = (float)Math.sqrt(vX*vX+vY*vY+vZ*vZ);
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float A = mult*corr*(0.5f-MEGA_D)*COS18/((numLayers-1)*0.5f)/len;
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float A = mult*D*(0.5f-MEGA_D)*COS18/((numLayers-1)*0.5f);
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A /= (float)Math.sqrt(vX*vX+vY*vY+vZ*vZ);
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return new float[] { x+A*vX, y+A*vY, z+A*vZ };
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} |
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Progress with any size Kilominx.