Revision 041f83a3
Added by Leszek Koltunski almost 7 years ago
| src/main/java/org/distorted/library/mesh/MeshSphere.java | ||
|---|---|---|
| 41 | 41 |
// longitude of V3 is simply midpoint of V1 and V2 so we don't have to specify it here. |
| 42 | 42 |
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| 43 | 43 |
private static final double FACES[][] = {
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{ 0.0 , 0.4*P, A, 0.5*P },
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{ 0.0*P, 0.4*P, A, 0.5*P },
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| 45 | 45 |
{ 0.4*P, 0.8*P, A, 0.5*P },
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| 46 | 46 |
{ 0.8*P, 1.2*P, A, 0.5*P }, // 5 'top' faces with
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| 47 | 47 |
{ 1.2*P, 1.6*P, A, 0.5*P }, // the North Pole
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| 48 | 48 |
{ 1.6*P, 2.0*P, A, 0.5*P },
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| 49 | 49 |
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{ 0.0 , 0.4*P, A, -A },
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{ 0.0*P, 0.4*P, A, -A },
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| 51 | 51 |
{ 0.4*P, 0.8*P, A, -A },
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| 52 | 52 |
{ 0.8*P, 1.2*P, A, -A }, // 5 faces mostly above
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| 53 | 53 |
{ 1.2*P, 1.6*P, A, -A }, // the equator
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| 54 | 54 |
{ 1.6*P, 2.0*P, A, -A },
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| 55 | 55 |
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{ 0.2 , 0.6*P, -A, A },
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{ 0.2*P, 0.6*P, -A, A },
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| 57 | 57 |
{ 0.6*P, 1.0*P, -A, A },
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| 58 | 58 |
{ 1.0*P, 1.4*P, -A, A }, // 5 faces mostly below
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| 59 | 59 |
{ 1.4*P, 1.8*P, -A, A }, // the equator
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| 60 | 60 |
{ 1.8*P, 0.2*P, -A, A },
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| 61 | 61 |
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{ 0.2 , 0.6*P, -A,-0.5*P },
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{ 0.2*P, 0.6*P, -A,-0.5*P },
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| 63 | 63 |
{ 0.6*P, 1.0*P, -A,-0.5*P },
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| 64 | 64 |
{ 1.0*P, 1.4*P, -A,-0.5*P }, // 5 'bottom' faces with
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| 65 | 65 |
{ 1.4*P, 1.8*P, -A,-0.5*P }, // the South Pole
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{ 1.8*P, 0.2*P, -A,-0.5*P }
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{ 1.8*P, 0.2*P, -A,-0.5*P },
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| 67 | 67 |
}; |
| 68 | 68 |
private int currentVert; |
| 69 | 69 |
private int numVertices; |
| ... | ... | |
| 78 | 78 |
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| 79 | 79 |
private void computeNumberOfVertices(int level) |
| 80 | 80 |
{
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numVertices = 20*level*(level+4) -2;
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numVertices = NUMFACES*level*(level+4) -2;
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| 82 | 82 |
currentVert = 0; |
| 83 | 83 |
} |
| 84 | 84 |
|
| ... | ... | |
| 120 | 120 |
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| 121 | 121 |
private void repeatLast(float[] attribs) |
| 122 | 122 |
{
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//android.util.Log.e("sphere", "repeat last!");
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| 123 | 125 |
if( currentVert>0 ) |
| 124 | 126 |
{
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| 125 | 127 |
attribs[VERT_ATTRIBS*currentVert + POS_ATTRIB ] = attribs[VERT_ATTRIBS*(currentVert-1) + POS_ATTRIB ]; |
| ... | ... | |
| 195 | 197 |
private void newVertex(float[] attribs, int column, int row, int level, |
| 196 | 198 |
double lonV1, double lonV2, double latV12, double latV3) |
| 197 | 199 |
{
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double quotX = (double)column/(level-1);
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double quotY = (double)row /(level-1);
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double quotX = (double)column/level;
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double quotY = (double)row /level;
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| 200 | 202 |
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double lonPoint = midLongitude(lonV1,lonV2, (quotX+0.5*quotY) ); |
| 202 | 204 |
double latPoint = midLatitude(latV12,latV3, quotY); |
| 203 | 205 |
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//android.util.Log.e("sphere", "newVertex: long:"+lonPoint+" lat:"+latPoint+" column="+column+" row="+row);
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| 204 | 208 |
addVertex(lonPoint,latPoint,attribs); |
| 205 | 209 |
} |
| 206 | 210 |
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Also available in: Unified diff
Some fixes for Sphere; still not completely ok though.