unity3d - Wheel Joint 2D motor and gravity -


i'm creating 2d car game (driving hills). use wheel joint 2d implement car suspension , wheel rotation. works quite on flat terrain.

now add gravity influence motor speed. unfortunately gravity works when deactivate usemotor. otherwise stand on side of hill , don't move.

is there way sum gravity , motor velocities?

i think want reduce friction between wheels , ground. experiment physics material set on wheels and/or ground.

i hope helps!


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