* @param worldtrans center position of quad
* @return
*/
private TiledNavMesh getNavMesh(String name, Vector3f worldtrans){
TiledNavMesh m = new TiledNavMesh();
m.loadFromData(new Vector3f[] {new Vector3f(0,0,IArea.TERRAIN_SIZE),
new Vector3f(0,0,0),
new Vector3f(IArea.TERRAIN_SIZE,0,0),
new Vector3f(IArea.TERRAIN_SIZE,0,IArea.TERRAIN_SIZE)},
new short[][] {{0,2,1},{0,3,2}}, worldtrans);
return m;