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fixed terrain normals

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8806 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
bre..ns 2011-11-26 18:22:24 +00:00
parent ed5dd6355d
commit b736768b2d
2 changed files with 88 additions and 6 deletions
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92
engine/src/terrain/com/jme3/terrain/geomipmap/LODGeomap.java
View File

@ -762,6 +762,83 @@ public class LODGeomap extends GeoMap {
}
store.rewind();
/*Vector3f rootPoint = new Vector3f();
Vector3f rightPoint = new Vector3f();
Vector3f leftPoint = new Vector3f();
Vector3f topPoint = new Vector3f();
Vector3f bottomPoint = new Vector3f();
// calculate normals for each polygon
for (int r = 0; r < getHeight(); r++) {
for (int c = 0; c < getWidth(); c++) {
rootPoint.set(c, getValue(c, r), r);
Vector3f normal = new Vector3f();
Vector3f normal2 = new Vector3f();
Vector3f normal3 = new Vector3f();
Vector3f normal4 = new Vector3f();
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);
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);
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);
getNormal(leftPoint, rootPoint, bottomPoint, scale, normal);
getNormal(bottomPoint, rootPoint, rightPoint, scale, normal2);
normal.set(normal.add(normal2).normalize());
}
} 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);
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);
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);
getNormal(topPoint, rootPoint, leftPoint, scale, normal);
getNormal(rightPoint, rootPoint, topPoint, scale, normal2);
normal.set(normal.add(normal2).normalize());
}
} 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);
getNormal(rightPoint, rootPoint, topPoint, scale, normal);
getNormal(bottomPoint, rootPoint, rightPoint, scale, normal2);
normal.set(normal.add(normal2).normalize());
} 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);
getNormal(topPoint, rootPoint, leftPoint, scale, normal);
getNormal(leftPoint, rootPoint, bottomPoint, scale, normal2);
normal.set(normal.add(normal2).normalize());
} 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);
getNormal(topPoint, rootPoint, leftPoint, scale, normal);
getNormal(leftPoint, rootPoint, bottomPoint, scale, normal2);
getNormal(bottomPoint, rootPoint, rightPoint, scale, normal3);
getNormal(rightPoint, rootPoint, topPoint, scale, normal4);
normal.set(normal.add(normal2).add(normal3).add(normal4).normalize());
}
}*/
TempVars vars = TempVars.get();
Vector3f rootPoint = vars.vect1;
@ -858,23 +935,28 @@ public class LODGeomap extends GeoMap {
float x1 = firstPoint.x - rootPoint.x;
float y1 = firstPoint.y - rootPoint.y;
float z1 = firstPoint.z - rootPoint.z;
x1 *= scale.x;
y1 *= scale.y;
z1 *= scale.z;
float x2 = secondPoint.x - rootPoint.x;
float y2 = secondPoint.y - rootPoint.y;
float z2 = secondPoint.z - rootPoint.z;
x2 *= scale.x;
y2 *= scale.y;
z2 *= scale.z;
float x3 = (y1 * z2) - (z1 * y2);
float y3 = (z1 * x2) - (x1 * z2);
float z3 = (x1 * y2) - (y1 * x2);
x3 *= scale.x;
y3 *= scale.y;
z3 *= scale.z;
float inv = 1.0f / FastMath.sqrt(x3 * x3 + y3 * y3 + z3 * z3);
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;*/
}
/**

2
engine/src/terrain/com/jme3/terrain/geomipmap/TerrainGrid.java
View File

@ -105,7 +105,7 @@ import java.util.concurrent.Callable;
public class TerrainGrid extends TerrainQuad {
protected static final Logger log = Logger.getLogger(TerrainGrid.class.getCanonicalName());
protected Vector3f currentCamCell;
protected Vector3f currentCamCell = Vector3f.ZERO;
protected int quarterSize; // half of quadSize
protected int quadSize;
protected HeightMapGrid heightMapGrid;