Click on any side to change gravity...
geomPlane_left
geomPlane_left
-10 0 0
geomPlane_right
geomPlane_right
10 0 0
geomPlane_top
geomPlane_top
0 10 0
geomPlane_bottom
geomPlane_bottom
0 -10 0
geomPlane_front
geomPlane_front
0 0 10
geomPlane_back
geomPlane_back
0 0 -10