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Fixed issue https://github.com/jMonkeyEngine/jmonkeyengine/issues/291

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This commit is contained in:
Nehon 2015-07-12 20:43:54 +02:00
parent 95d5fdf9c5
commit c7606ccff2
1 changed files with 7 additions and 1 deletions
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8
jme3-core/src/main/java/com/jme3/collision/bih/BIHTree.java
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@ -48,6 +48,7 @@ import com.jme3.math.Vector3f;
import com.jme3.scene.CollisionData; import com.jme3.scene.CollisionData;
import com.jme3.scene.Mesh; import com.jme3.scene.Mesh;
import com.jme3.scene.Mesh.Mode; import com.jme3.scene.Mesh.Mode;
import com.jme3.scene.VertexBuffer;
import com.jme3.scene.VertexBuffer.Type; import com.jme3.scene.VertexBuffer.Type;
import com.jme3.scene.mesh.IndexBuffer; import com.jme3.scene.mesh.IndexBuffer;
import com.jme3.scene.mesh.VirtualIndexBuffer; import com.jme3.scene.mesh.VirtualIndexBuffer;
@ -114,8 +115,13 @@ public class BIHTree implements CollisionData {
bihSwapTmp = new float[9]; bihSwapTmp = new float[9];
FloatBuffer vb = (FloatBuffer) mesh.getBuffer(Type.Position).getData(); VertexBuffer vBuffer = mesh.getBuffer(Type.Position);
if(vBuffer == null){
throw new IllegalArgumentException("A mesh should at least contain a Position buffer");
}
IndexBuffer ib = mesh.getIndexBuffer(); IndexBuffer ib = mesh.getIndexBuffer();
FloatBuffer vb = (FloatBuffer) vBuffer.getData();
if (ib == null) { if (ib == null) {
ib = new VirtualIndexBuffer(mesh.getVertexCount(), mesh.getMode()); ib = new VirtualIndexBuffer(mesh.getVertexCount(), mesh.getMode());
} else if (mesh.getMode() != Mode.Triangles) { } else if (mesh.getMode() != Mode.Triangles) {