def __init__(self, point):
self._joints = WeakSet()
self._adjacent_blocks = WeakSet()
# load images
base_path = "images/blocks/{}.png".format(self.image)
damaged_path = "images/blocks/{}_damaged.png".format(self.image)
destroyed_path = "images/blocks/{}_destroyed.png".format(self.image)
self.img = load_image(base_path, self.image_anchor)
self.img_damaged = load_image(damaged_path, self.image_anchor)
self.img_destroyed = load_image(destroyed_path, self.image_anchor)
w = h = BLOCK_SIZE
# using (density * 1 ** 2) for these because our units are BLOCK_SIZE
inertia = pymunk.moment_for_box(self.material.density, w, h)
self._body = pymunk.Body(self.material.density, inertia)
self._body.position = point
self._shape = pymunk.Poly.create_box(self._body, (w, h))
self._shape.elasticity = self.material.elasticity
self._shape.friction = self.material.friction
self._shape.collision_type = self.material.collision_type
self._shape._get_block = ref(self)
SPACE.add(self._body, self._shape)
SPACE.register_block(self)
