ТЕМА: Godot Engine. Проект "Арканоид"

extends KinematicBody2D
 
var speed = 79
var velocity = Vector2.ZERO
var run = false
var player
var animation_hearts
var hearts = 3
var preloaded = true
var bonus_point = 5
var check = 0
var combo_hit = 0
 
func _ready():
	player = get_parent().find_node("Player")
	animation_hearts = get_parent().find_node("Hearts")
 
func start():
	velocity.x = [-1, 1][randi() % 2]
	velocity.y = -1
 
func _physics_process(delta):
	if preloaded:
		preloaded = false
		return 
	var collision_object = move_and_collide(speed * velocity * delta)
	velocity = velocity.normalized()
 
	if collision_object:
		velocity = velocity.bounce(collision_object.normal)
 
		if collision_object.collider.name == "Player": 
			velocity.x = get_x_bounce_direction()
		if	collision_object.collider.is_in_group('Bricks_group'):
			collision_object.collider.hit()
			combo_hit += 1
			if combo_hit > 1:
				check += 1
		else:
			combo_hit = 0
			check = 0
		Global.score += bonus_point * check 
 
	is_ball_out()
	cling()
 
	if Input.is_action_just_pressed("Fire") and !run:
		start()
		run = true
 
func get_x_bounce_direction():
	var relative_x = position.x - player.position.x
	var percentage = relative_x / player.width
	return (percentage - 0.5) * 2 
 
func cling():
	if !run:
		position.x = player.position.x + (player.width / 2)
 
func is_ball_out():
	if !$VisibilityNotifier2D.is_on_screen():
		run = false
		position.y = player.position.y - 3
		velocity = Vector2.ZERO
		if hearts > 0:
			hearts -= 1
		else:
			queue_free()
 
func drawing_hearts():
	if hearts > 0:
		animation_hearts.frame = hearts - 1
	else:
		animation_hearts.visible = false