Suspension

var rb : RigidBody
var stiffness = 150

func _ready():
	rb = get_parent()
	pass



func _physics_process(delta):
	if is_colliding():
		var collisionPoint : Vector3 = get_collision_point()
		var distance = (collisionPoint - global_transform.origin).project(global_transform.basis.y).length()
		var springOffset = 1 - distance
		rb.add_force(global_transform.basis.y * stiffness * springOffset, translation)
	pass