# 2018.10.06 -> 2022.10.04 ->

input
	vTo
	vFrom

data
	stretch
	cursor

frame
	mag     = (vTo - vFrom).mag
	stretch = max(mag - deadzone, 0)

	dir     = v3.dir(vTo, vFrom)
	cursor  = vTo + dir * stretch * strength

design
	deadzone = 0.1
	strength = 3