class_name WrappingNode2D

extends Node2D

var _bounds := Rect2()

var _sprites := []

func calculate_bounding_rect(sprites: Array) -> Rect2:

if sprites.empty():

print_debug("No sprites to calculate bounding rect, nothing to calculate.")

return Rect2()

var bounds := Rect2()

for sprite in sprites:

var sprite_rect = sprite.get_rect()

sprite_rect.position += sprite.position

bounds = bounds.merge(sprite_rect)

bounds.position += position

return bounds

# For now we just teleport the entity, but we may want to duplicate the entity

# to make it appear like it's moving through the bounds.

func wrap_inside_frame(frame_bounds: Rect2) -> void:

if frame_bounds.encloses(_bounds):

return

if _bounds.position.x < frame_bounds.position.x - frame_bounds.size.x / 2.0:

position.x = frame_bounds.size.x - _bounds.size.x / 2.0

elif _bounds.position.x + _bounds.size.x > frame_bounds.position.x + frame_bounds.size.x / 2.0:

position.x = frame_bounds.position.x + _bounds.size.x / 2.0

if _bounds.position.y < frame_bounds.position.y - frame_bounds.size.y / 2.0:

position.y = frame_bounds.size.y - _bounds.size.y / 2.0

elif _bounds.position.y + _bounds.size.y > frame_bounds.position.y + frame_bounds.size.y / 2.0:

position.y = frame_bounds.position.y + _bounds.size.y

_bounds = calculate_bounding_rect(_sprites)