extends CharacterBody2D

@export var START_SPEED = 300.0
@export var SPEED_INCREMENT = 20.0

var current_speed = START_SPEED
var direction = Vector2.ZERO

func _ready() -> void:
	reset_ball()

func _physics_process(delta: float) -> void:
	# Bewegt den Ball und handhabt die Kollisionen mit den Schlägern
	var collision = move_and_collide(direction * current_speed * delta)
	
	if collision:
		direction = direction.bounce(collision.get_normal())
		current_speed += SPEED_INCREMENT
	
	# Abprallen an den horizontalen Rändern (oben und unten)
	if global_position.y < 0 or global_position.y > 648:
		direction.y *= -1

func reset_ball() -> void:
	# Startet exakt in der Mitte des 1152x648 Bildschirms
	global_position = Vector2(576, 324)
	current_speed = START_SPEED
	
	# Zufällige Richtung nach links oder rechts starten
	var x_dir = 1 if randf() > 0.5 else -1
	var y_dir = randf_range(-0.5, 0.5)
	direction = Vector2(x_dir, y_dir).normalized()