Sprites — Ren'Py Documentation init python: import math def repulsor_update (st): # If we don't know where the mouse is, give up. if repulsor_pos is None: return. 01 px, py = repulsor_pos # For each sprite... for i in repulsor_sprites: # Compute the vector between it and the mouse. vx = i. x-px vy = i. y-py # Get the vector length, normalize the vector. vl = math. hypot (vx ...