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

fixed a normal seaming artifact in terrain

Browse Source 
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8952 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
3.0
bre..ns 13 years ago
parent 2ac215f477
commit 5d6fa1fc0b
2 changed files with 123 additions and 77 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. 196
      engine/src/terrain/com/jme3/terrain/geomipmap/TerrainPatch.java
  2. 4
      engine/src/terrain/com/jme3/terrain/geomipmap/TerrainQuad.java

196
engine/src/terrain/com/jme3/terrain/geomipmap/TerrainPatch.java
Unescape View File

@ -352,13 +352,7 @@ public class TerrainPatch extends Geometry {
Vector3f topPoint = new Vector3f(); Vector3f topPoint = new Vector3f();
Vector3f bottomPoint = new Vector3f(); Vector3f bottomPoint = new Vector3f();
Vector2f rootTex = new Vector2f();
Vector2f rightTex = new Vector2f();
Vector2f leftTex = new Vector2f();
Vector2f topTex = new Vector2f();
Vector2f bottomTex = new Vector2f();
Vector3f tangent = new Vector3f(); Vector3f tangent = new Vector3f();
Vector3f binormal = new Vector3f(); Vector3f binormal = new Vector3f();
Vector3f normal = new Vector3f(); Vector3f normal = new Vector3f();
@ -370,67 +364,51 @@ public class TerrainPatch extends Geometry {
rootPoint.set(s, this.getHeightmapHeight(s,i), i); rootPoint.set(s, this.getHeightmapHeight(s,i), i);
leftPoint.set(s-1, this.getHeightmapHeight(s-1,i), i); leftPoint.set(s-1, this.getHeightmapHeight(s-1,i), i);
rightPoint.set(s+1, right.getHeightmapHeight(1,i), i); rightPoint.set(s+1, right.getHeightmapHeight(1,i), i);
this.getTex(s,i, rootTex);
rightTex.set( rootTex.add(right.getTex(1,i, rightTex).setY(0)));
if (i == 0) { // top point if (i == 0) { // top point
if (top == null) { if (top == null) {
bottomPoint.set(s, this.getHeightmapHeight(s,i+1), i+1); bottomPoint.set(s, this.getHeightmapHeight(s,i+1), i+1);
this.getTex(s,i+1, bottomTex);
averageNormalsTangents(null, rootPoint, leftPoint, bottomPoint, rightPoint, null, rootTex, leftTex, bottomTex, rightTex, normal, tangent, binormal); averageNormalsTangents(null, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal); VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal); VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), s); BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), s);
//BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), s);
//BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), s);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), 0); BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), 0);
} else { } else {
topPoint.set(s, top.getHeightmapHeight(s,s-1), i-1); topPoint.set(s, top.getHeightmapHeight(s,s-1), i-1);
bottomPoint.set(s, this.getHeightmapHeight(s,i+1), i+1); bottomPoint.set(s, this.getHeightmapHeight(s,i+1), i+1);
this.getTex(s,i+1, bottomTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent, binormal); averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal); VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal); VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), s); BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), s);
//BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), s);
//BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), s);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), 0); BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), 0);
if (topRight != null) {
VertexBuffer topRightNB = topRight.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)topRightNB.getData(), (s+1)*s);
topRightNB.setUpdateNeeded();
}
} }
} else if (i == s) { // bottom point } else if (i == s) { // bottom point
if (bottom == null) { if (bottom == null) {
topPoint.set(s, this.getHeightmapHeight(s,i-1), i-1); topPoint.set(s, this.getHeightmapHeight(s,i-1), i-1);
//this.getTex(s,i-1, topTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, null, rightPoint, topTex, rootTex, leftTex, null, rightTex, normal, tangent, binormal); averageNormalsTangents(topPoint, rootPoint, leftPoint, null, rightPoint, null, null, null, null, null, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal); VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal); VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(i+1)-1); BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(i+1)-1);
//BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(i+1)-1); BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), (s+1)*(s));
//BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), (s+1)*(i+1)-1);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), (s+1)*(i));
} else { } else {
topPoint.set(s, this.getHeightmapHeight(s,i-1), i-1); topPoint.set(s, this.getHeightmapHeight(s,i-1), i-1);
bottomPoint.set(s, bottom.getHeightmapHeight(s,1), i+1); bottomPoint.set(s, bottom.getHeightmapHeight(s,1), i+1);
bottom.getTex(s,1, bottomTex); averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal); VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal); VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal); VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s+1)-1); BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s+1)-1);
//BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(s+1)-1);
//BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), (s+1)*(s+1)-1);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), (s+1)*s); BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), (s+1)*s);
BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), s); BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), s);
if (bottomRight != null) { if (bottomRight != null) {
@ -438,54 +416,130 @@ public class TerrainPatch extends Geometry {
BufferUtils.setInBuffer(normal, (FloatBuffer)bottomRightNB.getData(), 0); BufferUtils.setInBuffer(normal, (FloatBuffer)bottomRightNB.getData(), 0);
bottomRightNB.setUpdateNeeded(); bottomRightNB.setUpdateNeeded();
} }
downNB.setUpdateNeeded();; downNB.setUpdateNeeded();
} }
} else { // all in the middle } else { // all in the middle
topPoint.set(s, this.getHeightmapHeight(s,i-1), i-1); topPoint.set(s, this.getHeightmapHeight(s,i-1), i-1);
bottomPoint.set(s, this.getHeightmapHeight(s,i+1), i+1); bottomPoint.set(s, this.getHeightmapHeight(s,i+1), i+1);
//this.getTex(s,i-1, topTex); averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
this.getTex(s,i+1, bottomTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, rootTex, null, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal); VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal); VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
//VertexBuffer rightTB = right.getMesh().getBuffer(Type.Tangent);
//VertexBuffer rightBB = right.getMesh().getBuffer(Type.Binormal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(i+1)-1); BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(i+1)-1);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), (s+1)*(i)); BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), (s+1)*(i));
} }
} }
right.getMesh().getBuffer(Type.Normal).setUpdateNeeded(); right.getMesh().getBuffer(Type.Normal).setUpdateNeeded();
} }
if (bottom != null) { // bottom side, works its way right if (left != null) { // left side, works its way down
for (int i=0; i<s+1; i++) { for (int i=0; i<s+1; i++) {
rootPoint.set(i, this.getHeightmapHeight(i,s), s); rootPoint.set(0, this.getHeightmapHeight(0,i), i);
topPoint.set(i, this.getHeightmapHeight(i,s-1), s-1); leftPoint.set(-1, left.getHeightmapHeight(s-1,i), i);
bottomPoint.set(i, bottom.getHeightmapHeight(i,1), s+1); rightPoint.set(1, this.getHeightmapHeight(1,i), i);
this.getTex(i,s, rootTex);
this.getTex(i,s-1, topTex);
bottomTex.set( rootTex.add(bottom.getTex(i,1, bottomTex).setX(0)) ); if (i == 0) { // top point
if (i == 0) { // left if (top == null) {
// handled by the left neighbour, on its right-side pass bottomPoint.set(0, this.getHeightmapHeight(0,i+1), i+1);
if (left == null) { averageNormalsTangents(null, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
rightPoint.set(i+1, this.getHeightmapHeight(i+1,s), s); VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer leftNB = left.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), 0);
BufferUtils.setInBuffer(normal, (FloatBuffer)leftNB.getData(), s);
} else {
topPoint.set(0, top.getHeightmapHeight(0,s-1), i-1);
bottomPoint.set(0, this.getHeightmapHeight(0,i+1), i+1);
// no left neighbour so we have to do it in this one averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
averageNormalsTangents(topPoint, rootPoint, null, bottomPoint, rightPoint, topTex, rootTex, null, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal); VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent); VertexBuffer leftNB = left.getMesh().getBuffer(Type.Normal);
VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal); BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), 0);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s)+i); BufferUtils.setInBuffer(normal, (FloatBuffer)leftNB.getData(), s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(s)+i);
BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), (s+1)*(s)+i);
if (topLeft != null) {
VertexBuffer topLeftNB = topLeft.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)topLeftNB.getData(), (s+1)*(s+1)-1);
topLeftNB.setUpdateNeeded();
}
}
} else if (i == s) { // bottom point
if (bottom == null) {
topPoint.set(0, this.getHeightmapHeight(0,i-1), i-1);
averageNormalsTangents(topPoint, rootPoint, leftPoint, null, rightPoint, null, null, null, null, null, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer leftNB = left.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s));
BufferUtils.setInBuffer(normal, (FloatBuffer)leftNB.getData(), (s+1)*(i+1)-1);
} else {
topPoint.set(0, this.getHeightmapHeight(0,i-1), i-1);
bottomPoint.set(0, bottom.getHeightmapHeight(0,1), i+1);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer leftNB = left.getMesh().getBuffer(Type.Normal);
VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal); VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), i);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s));
BufferUtils.setInBuffer(normal, (FloatBuffer)leftNB.getData(), (s+1)*(i+1)-1);
BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), 0);
if (bottomLeft != null) {
VertexBuffer bottomLeftNB = bottomLeft.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)bottomLeftNB.getData(), s);
bottomLeftNB.setUpdateNeeded();
}
downNB.setUpdateNeeded();
} }
} else { // all in the middle
topPoint.set(0, this.getHeightmapHeight(0,i-1), i-1);
bottomPoint.set(0, this.getHeightmapHeight(0,i+1), i+1);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer leftNB = left.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(i));
BufferUtils.setInBuffer(normal, (FloatBuffer)leftNB.getData(), (s+1)*(i+1)-1);
}
}
left.getMesh().getBuffer(Type.Normal).setUpdateNeeded();
}
if (top != null) { // top side, works its way right
for (int i=0; i<s+1; i++) {
rootPoint.set(i, this.getHeightmapHeight(i,0), 0);
topPoint.set(i, top.getHeightmapHeight(i,s-1), -1);
bottomPoint.set(i, this.getHeightmapHeight(i,1), 1);
if (i == 0) { // left corner
// handled by left side pass
} else if (i == s) { // right corner
// handled by this patch when it does its right side
} else { // all in the middle
leftPoint.set(i-1, this.getHeightmapHeight(i-1,0), 0);
rightPoint.set(i+1, this.getHeightmapHeight(i+1,0), 0);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), i);
VertexBuffer topNB = top.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)topNB.getData(), (s+1)*(s)+i);
}
}
top.getMesh().getBuffer(Type.Normal).setUpdateNeeded();
}
if (bottom != null) { // bottom side, works its way right
for (int i=0; i<s+1; i++) {
rootPoint.set(i, this.getHeightmapHeight(i,s), s);
topPoint.set(i, this.getHeightmapHeight(i,s-1), s-1);
bottomPoint.set(i, bottom.getHeightmapHeight(i,1), s+1);
if (i == 0) { // left
// handled by the left side pass
} else if (i == s) { // right } else if (i == s) { // right
// handled by this patch when it does its right side // handled by this patch when it does its right side
@ -493,17 +547,9 @@ public class TerrainPatch extends Geometry {
} else { // all in the middle } else { // all in the middle
leftPoint.set(i-1, this.getHeightmapHeight(i-1,s), s); leftPoint.set(i-1, this.getHeightmapHeight(i-1,s), s);
rightPoint.set(i+1, this.getHeightmapHeight(i+1,s), s); rightPoint.set(i+1, this.getHeightmapHeight(i+1,s), s);
this.getTex(i-1,s, leftTex); averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
this.getTex(i+1,s, rightTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal); VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s)+i); BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s)+i);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(s)+i);
BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), (s+1)*(s)+i);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal); VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), i); BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), i);
} }

4
engine/src/terrain/com/jme3/terrain/geomipmap/TerrainQuad.java
Unescape View File

@ -954,10 +954,10 @@ public class TerrainQuad extends Node implements Terrain {
} }
if (affectedAreaBBox == null) { if (affectedAreaBBox == null) {
affectedAreaBBox = new BoundingBox(new Vector3f(changedPoint.x, 0, changedPoint.y), 0.5f, Float.MAX_VALUE, 0.5f); // unit length affectedAreaBBox = new BoundingBox(new Vector3f(changedPoint.x, 0, changedPoint.y), 1f, Float.MAX_VALUE, 1f); // unit length
} else { } else {
// adjust size of box to be larger // adjust size of box to be larger
affectedAreaBBox.mergeLocal(new BoundingBox(new Vector3f(changedPoint.x, 0, changedPoint.y), 0.5f, Float.MAX_VALUE, 0.5f)); affectedAreaBBox.mergeLocal(new BoundingBox(new Vector3f(changedPoint.x, 0, changedPoint.y), 1f, Float.MAX_VALUE, 1f));
} }
} }

Write Preview
Loading…
Cancel
Save