class_name Bud extends VineNode
signal opened
var img_path

func _on_opened():
	$AnimatedSprite2D.play("open")
	opened.emit()
	spread()
	await $AnimatedSprite2D.animation_finished
	queue_free()

func spread():
	for dir in [Vector2.UP, Vector2.DOWN, Vector2.RIGHT, Vector2.LEFT]:
		if not vine.vine_locations.has(vec_mod(location + dir, grid.num_collumns)):
			vine.vine_locations.append(vec_mod(location + dir, grid.num_collumns))
			grow_to_next_bud(dir)

func grow_to_next_bud(dir):
	var target_offset = Vector2(randf_range(60, 240), randf_range(90, 270))
	var pos1 = grid.get_world_position(location, offset)
	var pos2 = grid.get_world_position(location + dir, target_offset)
	var num_seg = floor((pos1-pos2).length() / 96)
	await vine.grow_vine_sequence(location, offset, location + dir, target_offset, num_seg, true)

func vec_mod(vec : Vector2, modulus : float):
	return Vector2(fposmod(vec.x, modulus), fposmod(vec.y, modulus))