class_name Ball
extends RigidBody2D

signal kace_broken

var grid:TileMap

func _integrate_forces(state :  Physics2DDirectBodyState):
	for i in range(state.get_contact_count()):
		var contact_pos = state.get_contact_local_position(i)
		var tile_pos = grid.world_to_map(contact_pos)
		var cell = grid.get_cellv(tile_pos)
		if cell != TileMap.INVALID_CELL and cell == 0:
			grid.set_cellv(tile_pos, -1)
			emit_signal("kace_broken")