R = (Ē · F̃ · p̃) / (f̃r + ε)
v ∼ ∇R and x(t) = ∫ v(t) dt
Ē 0.000
mean |F̃| 0.000
mean p̃ 0.000
mean f̃r 0.000
mean |∇R| 0.000
ball air
This version pushes the motion from the gradient of your master ratio. Local surface motion follows how sharply the ratio field changes from point to point, rather than only the ratio value itself.