0.0002 1 5000 0 0 -9.81 quick 50 1.3 0.0 0.2 10.0 0.001 12 model://sun model://ground_plane true -2 2 0.5 0 0 0 1 1 1 1 1 1 0.2 0.2 0.2 1.0 .421 0.225 0.0 1.0