asteroids/Scripts/utils.gd

57 lines
1.4 KiB
GDScript

extends Node2D
func get_half_size(node: Node2D) -> Vector2:
var tex_size := Vector2.ZERO
var sprite: Node2D = null
# Try to find a Sprite2D or AnimatedSprite2D child
if node is Sprite2D or node is AnimatedSprite2D:
sprite = node
else:
for child in node.get_children():
if child is Sprite2D or child is AnimatedSprite2D:
sprite = child
break
if sprite == null:
return Vector2.ZERO
# Get texture size
if sprite is Sprite2D:
if sprite.texture:
tex_size = sprite.texture.get_size()
elif sprite is AnimatedSprite2D:
var tex: Texture2D = sprite.sprite_frames.get_frame_texture(sprite.animation, 0)
if tex:
tex_size = tex.get_size()
# Combine parent scaling (global scale includes both)
var global_scl = sprite.get_global_transform().get_scale()
return (tex_size * global_scl) * 0.5
func wrap_position(node: Node2D) -> void:
var rect = node.get_viewport_rect()
var pos = node.position
var half_size = get_half_size(node)
# Horizontal wrap
if pos.x < -half_size.x:
pos.x = rect.size.x + half_size.x
elif pos.x > rect.size.x + half_size.x:
pos.x = -half_size.x
# Vertical wrap
if pos.y < -half_size.y:
pos.y = rect.size.y + half_size.y
elif pos.y > rect.size.y + half_size.y:
pos.y = -half_size.y
node.position = pos
func play_sound(sound: Resource, parent: Node2D):
var player = AudioStreamPlayer.new()
parent.add_child(player)
player.stream = sound
player.play()
player.finished.connect(func(): player.queue_free())