Fixing bug in normal computation.

git-svn-id: http://svn.code.sf.net/p/simox/code/trunk@197 042f3d55-54a8-47e9-b7fb-15903f145c44

VirtualRobot/Visualization/CoinVisualization/CoinVisualizationNode.cpp

@@ -152,9 +152,12 @@ void CoinVisualizationNode::InventorTriangleCB(void* data, SoCallbackAction* act
 	mm.multVecMatrix(v2->getPoint(), triangle[1]);
 	mm.multVecMatrix(v3->getPoint(), triangle[2]);
 	SbVec3f normal[3];
-	mm.multVecMatrix(v1->getNormal(), normal[0]);
+	/*mm.multVecMatrix(v1->getNormal(), normal[0]);
 	mm.multVecMatrix(v2->getNormal(), normal[1]);
-	mm.multVecMatrix(v3->getNormal(), normal[2]);
+	mm.multVecMatrix(v3->getNormal(), normal[2]);*/
+	mm.multDirMatrix(v1->getNormal(), normal[0]);
+	mm.multDirMatrix(v2->getNormal(), normal[1]);
+	mm.multDirMatrix(v3->getNormal(), normal[2]);
 
 	normal[0] = (normal[0] + normal[1] + normal[2]) / 3.0f;