Revision fa640198
Added by Leszek Koltunski about 3 years ago
| src/main/java/org/distorted/library/mesh/MeshPolygon.java | ||
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| 45 | 45 |
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| 46 | 46 |
private void computeNumberOfVertices() |
| 47 | 47 |
{
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| 48 |
numVertices = (mNumPolygonVertices*mNumPolygonBands+2)*(mNumPolygonBands-1) - 1; |
|
| 49 |
numVertices+= 2*mNumPolygonVertices*(2*extraIndex*extraVertices); |
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if( mNumPolygonBands==2 && extraIndex>0 ) |
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{
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numVertices = 1 + 2*mNumPolygonVertices*(1+extraIndex+2*extraVertices); |
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} |
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else |
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{
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numVertices = (mNumPolygonVertices*mNumPolygonBands+2)*(mNumPolygonBands-1) - 1; |
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numVertices+= 2*mNumPolygonVertices*(2*extraIndex*extraVertices); |
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} |
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| 50 | 57 |
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| 51 | 58 |
remainingVert = numVertices; |
| 52 | 59 |
} |
| ... | ... | |
| 68 | 75 |
} |
| 69 | 76 |
} |
| 70 | 77 |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
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private float getSpecialQuot(int index) |
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{
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int num = 1 + extraIndex + 2*extraVertices; |
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int change1 = extraVertices+1; |
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int change2 = num-change1; |
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float quot = 1.0f/(extraIndex+1); |
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if( index<change1 ) return index*quot/change1; |
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else if( index>change2 ) return 1-quot + (index-change2)*quot/change1; |
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else return (index-change1+1)*quot; |
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} |
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| 71 | 92 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 72 | 93 |
|
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private float getQuot(int index, int band, boolean isExtra) |
| ... | ... | |
| 164 | 185 |
} |
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} |
| 166 | 187 |
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int numPairs = mNumPolygonBands-1-polyBand;
|
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boolean specialCase = mNumPolygonBands==2 && polyBand==0 && extraIndex>0;
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| 168 | 189 |
boolean isExtra = polyBand<extraIndex; |
| 169 |
|
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if( isExtra ) |
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{
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numPairs += 2*extraVertices; |
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} |
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int numPairs = specialCase ? extraIndex+1 : mNumPolygonBands-1-polyBand; |
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if( isExtra ) numPairs += 2*extraVertices; |
|
| 174 | 192 |
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| 175 | 193 |
int polyEndVer = polyVertex==mNumPolygonVertices-1 ? 0 : polyVertex+1; |
| 176 | 194 |
float quot1, quot2; |
| 177 | 195 |
|
| 178 | 196 |
for(int index=0; index<numPairs; index++) |
| 179 | 197 |
{
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quot1 = getQuot(index ,polyBand+1, isExtra); |
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quot2 = getQuot(index+1,polyBand , isExtra); |
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if( specialCase ) |
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{
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quot1 = 1.0f; |
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quot2 = getSpecialQuot(index+1); |
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} |
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else |
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{
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quot1 = getQuot(index ,polyBand+1, isExtra); |
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quot2 = getQuot(index+1,polyBand , isExtra); |
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} |
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| 182 | 208 |
|
| 183 | 209 |
vertex = addVertex(vertex,polyBand+1,polyVertex,polyEndVer,quot1,attribs1,attribs2); |
| 184 | 210 |
vertex = addVertex(vertex,polyBand ,polyVertex,polyEndVer,quot2,attribs1,attribs2); |
Also available in: Unified diff
Add to MeshPolygon a special modee to create a 2-band polygon with dense corners (needed to reduce number of vertices in side faces of the TwisttyPuzzle cubits)