extends Area2D
class_name Player

@export var speed := 400.
var _screen_size: Vector2
var _sprite: AnimatedSprite2D
var _shape: CollisionShape2D

func start(starting_position: Vector2) -> void :
	position = starting_position
	show()
	_shape.disabled = false
	pass
	

func _ready() -> void:
	hide()
	_screen_size = get_viewport_rect().size 
	_sprite = $Sprite as AnimatedSprite2D
	_shape = $Shape as CollisionShape2D
	pass # Replace with function body.

func _process(delta: float) -> void:
	var velocity := Vector2.ZERO

	if Input.is_action_pressed("move_right") :
		velocity.x += 1
	if Input.is_action_pressed("move_left") :
		velocity.x -= 1
	if Input.is_action_pressed("move_down"):
		velocity.y += 1
	if Input.is_action_pressed("move_up") :
		velocity.y -= 1
	
	if velocity.length() > 0 :
		velocity = velocity.normalized() * speed
		_sprite.play()
	else:
		_sprite.stop()
		
	position += velocity * delta
	
	# Make it impossible to leave the screen.
	position = position.clamp(Vector2.ZERO, _screen_size)
	
	if velocity.x != 0 :
		_sprite.animation = "walk"
		_sprite.flip_v = false
		_sprite.flip_h = velocity.x < 0
	elif velocity.y != 0 :
		_sprite.animation = "up"
		_sprite.flip_v = velocity.y > 0
		
	pass

signal hit
func _on_body_entered(body: Node2D) -> void:
	hide()
	hit.emit()
	_shape.set_deferred("disabled", true)
	pass