I would like animate and render a car driving in a snow, so my main issue for the moment is to have the tread of the tire (and sometime a rough mark) during the car is driving.
I was thinking do two planes, one with the snow and the tread mapped where I want on the plane, And an other plane WITHOUT mark on the ground. And play with the opacity of the two plane in After Effect or in blender with mask . But I have no idea how to unwrapped the tread mark exactly where I want, AND I have to calculate my scene twice...
Any other ideas are welcome :)
Render engine : Cycle