sigonasr2
/
jmonkeyengine
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fixed terrain normals

Browse Source 
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8761 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
3.0
bre..ns 13 years ago
parent bac3b356df
commit ad98c62321
1 changed files with 1 additions and 34 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 33
      engine/src/terrain/com/jme3/terrain/geomipmap/LODGeomap.java

33
engine/src/terrain/com/jme3/terrain/geomipmap/LODGeomap.java
Unescape View File

@ -45,10 +45,8 @@ import com.jme3.math.Vector2f;
import com.jme3.math.Vector3f;
import com.jme3.scene.Mesh;
import com.jme3.scene.Mesh.Mode;
import com.jme3.scene.VertexBuffer;
import com.jme3.scene.VertexBuffer.Type;
import com.jme3.util.BufferUtils;
import com.jme3.util.TangentBinormalGenerator;
import com.jme3.util.TempVars;
import java.io.IOException;
@ -773,7 +771,6 @@ public class LODGeomap extends GeoMap {
Vector3f bottomPoint = vars.vect5;
Vector3f tmp1 = vars.vect6;
Vector3f tmp2 = vars.vect7;
// calculate normals for each polygon
for (int r = 0; r < getHeight(); r++) {
@ -787,14 +784,10 @@ public class LODGeomap extends GeoMap {
rightPoint.set(c + 1, getValue(c + 1, r), r);
bottomPoint.set(c, getValue(c, r + 1), r + 1);
getNormal(bottomPoint, rootPoint, rightPoint, scale, normal);
normal.set(Vector3f.UNIT_Y);
} 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);
normal.set(Vector3f.UNIT_Y);
} else { // all middle columns
leftPoint.set(c - 1, getValue(c - 1, r), r);
rightPoint.set(c + 1, getValue(c + 1, r), r);
@ -803,22 +796,16 @@ public class LODGeomap extends GeoMap {
normal.set( getNormal(leftPoint, rootPoint, bottomPoint, scale, tmp1) );
normal.add( getNormal(bottomPoint, rootPoint, rightPoint, scale, tmp1) );
normal.normalizeLocal();
normal.set(Vector3f.UNIT_Y);
}
} 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);
normal.set(Vector3f.UNIT_Y);
} 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);
normal.set(Vector3f.UNIT_Y);
} else { // all middle columns
topPoint.set(c, getValue(c, r - 1), r - 1);
leftPoint.set(c - 1, getValue(c - 1, r), r);
@ -827,8 +814,6 @@ public class LODGeomap extends GeoMap {
normal.set( getNormal(topPoint, rootPoint, leftPoint, scale, tmp1) );
normal.add( getNormal(rightPoint, rootPoint, topPoint, scale, tmp1) );
normal.normalizeLocal();
normal.set(Vector3f.UNIT_Y);
}
} else { // all middle rows
if (c == 0) { // first column
@ -839,8 +824,6 @@ public class LODGeomap extends GeoMap {
normal.set( getNormal(rightPoint, rootPoint, topPoint, scale, tmp1) );
normal.add( getNormal(bottomPoint, rootPoint, rightPoint, scale, tmp1) );
normal.normalizeLocal();
normal.set(Vector3f.UNIT_Y);
} 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);
@ -849,8 +832,6 @@ public class LODGeomap extends GeoMap {
normal.set( getNormal(topPoint, rootPoint, leftPoint, scale, tmp1) );
normal.add( getNormal(leftPoint, rootPoint, bottomPoint, scale, tmp1) );
normal.normalizeLocal();
normal.set(Vector3f.UNIT_Y);
} else { // all middle columns
topPoint.set(c, getValue(c, r - 1), r - 1);
leftPoint.set(c - 1, getValue(c - 1, r), r);
@ -862,31 +843,18 @@ public class LODGeomap extends GeoMap {
normal.add( getNormal(bottomPoint, rootPoint, rightPoint, scale, tmp1) );
normal.add( getNormal(rightPoint, rootPoint, topPoint, scale, tmp1) );
normal.normalizeLocal();
normal.set(Vector3f.UNIT_Y);
}
}
normal.set(Vector3f.UNIT_Y);
BufferUtils.setInBuffer(normal, store, (r * getWidth() + c)); // save the normal
}
}
vars.release();
return store;
}
private Vector3f getNormal(Vector3f firstPoint, Vector3f rootPoint, Vector3f secondPoint, Vector3f scale, Vector3f store) {
// store.set(firstPoint).subtractLocal(rootPoint);
// tmp.set(secondPoint).subtractLocal(rootPoint);
// store.crossLocal(tmp).mult(scale).normalizeLocal();
// store.set(
// firstPoint.mult(scale)).subtractLocal(rootPoint.mult(scale))
// .crossLocal(
// secondPoint.mult(scale).subtract(rootPoint.mult(scale))).normalizeLocal();
float x1 = firstPoint.x - rootPoint.x;
float y1 = firstPoint.y - rootPoint.y;
float z1 = firstPoint.z - rootPoint.z;
@ -907,7 +875,6 @@ public class LODGeomap extends GeoMap {
store.z = z3 * inv;
return store;
}
/**

Write Preview
Loading…
Cancel
Save