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fixed some normal calc issues in LODGeomap

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9252 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
3.0
bre..ns 13 years ago
parent f06b1dfa4d
commit ee69225ad0
1 changed files with 40 additions and 41 deletions
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  1. 81
      engine/src/terrain/com/jme3/terrain/geomipmap/LODGeomap.java

81
engine/src/terrain/com/jme3/terrain/geomipmap/LODGeomap.java
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@ -798,76 +798,71 @@ public class LODGeomap extends GeoMap {
for (int r = 0; r < getHeight(); r++) {
for (int c = 0; c < getWidth(); c++) {
rootPoint.set(c, getValue(c, r), r);
rootPoint.set(0, getValue(c, r), 0);
Vector3f normal = vars.vect8;
if (r == 0) { // first row
if (c == 0) { // first column
rightPoint.set(c + 1, getValue(c + 1, r), r);
bottomPoint.set(c, getValue(c, r + 1), r + 1);
rightPoint.set(1, getValue(c + 1, r), 0);
bottomPoint.set(0, getValue(c, r + 1), 1);
getNormal(bottomPoint, rootPoint, rightPoint, scale, normal);
} else if (c == getWidth() - 1) { // last column
leftPoint.set(c - 1, getValue(c - 1, r), r);
bottomPoint.set(c, getValue(c, r + 1), r + 1);
leftPoint.set(-1, getValue(c - 1, r), 0);
bottomPoint.set(0, getValue(c, r + 1), 1);
getNormal(leftPoint, rootPoint, bottomPoint, scale, normal);
} else { // all middle columns
leftPoint.set(c - 1, getValue(c - 1, r), r);
rightPoint.set(c + 1, getValue(c + 1, r), r);
bottomPoint.set(c, getValue(c, r + 1), r + 1);
leftPoint.set(-1, getValue(c - 1, r), 0);
rightPoint.set(1, getValue(c + 1, r), 0);
bottomPoint.set(0, getValue(c, r + 1), 1);
normal.set( getNormal(leftPoint, rootPoint, bottomPoint, scale, tmp1) );
normal.add( getNormal(bottomPoint, rootPoint, rightPoint, scale, tmp1) );
normal.normalizeLocal();
normal.addLocal( getNormal(bottomPoint, rootPoint, rightPoint, scale, tmp1) );
}
} else if (r == getHeight() - 1) { // last row
if (c == 0) { // first column
topPoint.set(c, getValue(c, r - 1), r - 1);
rightPoint.set(c + 1, getValue(c + 1, r), r);
topPoint.set(0, getValue(c, r - 1), -1);
rightPoint.set(1, getValue(c + 1, r), 0);
getNormal(rightPoint, rootPoint, topPoint, scale, normal);
} else if (c == getWidth() - 1) { // last column
topPoint.set(c, getValue(c, r - 1), r - 1);
leftPoint.set(c - 1, getValue(c - 1, r), r);
topPoint.set(0, getValue(c, r - 1), -1);
leftPoint.set(-1, getValue(c - 1, r), 0);
getNormal(topPoint, rootPoint, leftPoint, scale, normal);
} else { // all middle columns
topPoint.set(c, getValue(c, r - 1), r - 1);
leftPoint.set(c - 1, getValue(c - 1, r), r);
rightPoint.set(c + 1, getValue(c + 1, r), r);
topPoint.set(0, getValue(c, r - 1), -1);
leftPoint.set(-1, getValue(c - 1, r), 0);
rightPoint.set(1, getValue(c + 1, r), 0);
normal.set( getNormal(topPoint, rootPoint, leftPoint, scale, tmp1) );
normal.add( getNormal(rightPoint, rootPoint, topPoint, scale, tmp1) );
normal.normalizeLocal();
normal.addLocal( getNormal(rightPoint, rootPoint, topPoint, scale, tmp1) );
}
} else { // all middle rows
if (c == 0) { // first column
topPoint.set(c, getValue(c, r - 1), r - 1);
rightPoint.set(c + 1, getValue(c + 1, r), r);
bottomPoint.set(c, getValue(c, r + 1), r + 1);
topPoint.set(0, getValue(c, r - 1), -1);
rightPoint.set(1, getValue(c + 1, r), 0);
bottomPoint.set(0, getValue(c, r + 1), 1);
normal.set( getNormal(rightPoint, rootPoint, topPoint, scale, tmp1) );
normal.add( getNormal(bottomPoint, rootPoint, rightPoint, scale, tmp1) );
normal.normalizeLocal();
normal.addLocal( getNormal(bottomPoint, rootPoint, rightPoint, scale, tmp1) );
} else if (c == getWidth() - 1) { // last column
topPoint.set(c, getValue(c, r - 1), r - 1);
leftPoint.set(c - 1, getValue(c - 1, r), r);
bottomPoint.set(c, getValue(c, r + 1), r + 1); //XXX wrong
topPoint.set(0, getValue(c, r - 1), -1);
leftPoint.set(-1, getValue(c - 1, r), 0);
bottomPoint.set(0, getValue(c, r + 1), 1);
normal.set( getNormal(topPoint, rootPoint, leftPoint, scale, tmp1) );
normal.add( getNormal(leftPoint, rootPoint, bottomPoint, scale, tmp1) );
normal.normalizeLocal();
normal.addLocal( getNormal(leftPoint, rootPoint, bottomPoint, scale, tmp1) );
} else { // all middle columns
topPoint.set(c, getValue(c, r - 1), r - 1);
leftPoint.set(c - 1, getValue(c - 1, r), r);
rightPoint.set(c + 1, getValue(c + 1, r), r);
bottomPoint.set(c, getValue(c, r + 1), r + 1);
topPoint.set(0, getValue(c, r - 1), -1);
leftPoint.set(-1, getValue(c - 1, r), 0);
rightPoint.set(1, getValue(c + 1, r), 0);
bottomPoint.set(0, getValue(c, r + 1), 1);
normal.set( getNormal(topPoint, rootPoint, leftPoint, scale, tmp1 ) );
normal.add( getNormal(leftPoint, rootPoint, bottomPoint, scale, tmp1) );
normal.add( getNormal(bottomPoint, rootPoint, rightPoint, scale, tmp1) );
normal.add( getNormal(rightPoint, rootPoint, topPoint, scale, tmp1) );
normal.normalizeLocal();
normal.addLocal( getNormal(leftPoint, rootPoint, bottomPoint, scale, tmp1) );
normal.addLocal( getNormal(bottomPoint, rootPoint, rightPoint, scale, tmp1) );
normal.addLocal( getNormal(rightPoint, rootPoint, topPoint, scale, tmp1) );
}
}
normal.normalizeLocal();
BufferUtils.setInBuffer(normal, store, (r * getWidth() + c)); // save the normal
}
}
@ -897,11 +892,15 @@ public class LODGeomap extends GeoMap {
store.x = x3 * inv;
store.y = y3 * inv;
store.z = z3 * inv;
return store;
/*store.set( firstPoint.subtractLocal(rootPoint).multLocal(scale).crossLocal(secondPoint.subtractLocal(rootPoint).multLocal(scale)).normalizeLocal() );
return store;*/
/*firstPoint.multLocal(scale);
rootPoint.multLocal(scale);
secondPoint.multLocal(scale);
firstPoint.subtractLocal(rootPoint);
secondPoint.subtractLocal(rootPoint);
firstPoint.cross(secondPoint, store);*/
return store;
}
/**

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