Maya wheel roll forward mel
Use maya's mel expression to make wheel-forward animations
And then use the time time or frame frame to drive the rotation of the wheel on it
Then the movement distance of the wheel, such as the movement of the x-axis is the relationship with the rotation of the week is: no rotation for one week, the wheel moves the x-axis forward distance is 2πr
First you have to know the wheel's moving distance is 2πr (r is the radius of the wheel, known)
