extends CharacterBody2D


const SPEED = 80.0
const JUMP_VELOCITY = -200.0
var doubleJumpActive = true
var hasDoubleJumped = false



@onready var animated_sprite_2d: AnimatedSprite2D = $AnimatedSprite2D

func _physics_process(delta: float) -> void:
	if not is_on_floor():
		velocity += get_gravity() * delta
	else:
		hasDoubleJumped = false

	# Handle jump.
	if Input.is_action_just_pressed("jump"):
		if is_on_floor():
			velocity.y = JUMP_VELOCITY
		elif doubleJumpActive and not hasDoubleJumped:
			velocity.y = JUMP_VELOCITY
			hasDoubleJumped = true
		
	# Get input direction: -1, 0, 1
	var direction := Input.get_axis("move_left", "move_right")
	
	# Flip the sprite
	if direction > 0:
		animated_sprite_2d.flip_h = false
	elif direction < 0:
		animated_sprite_2d.flip_h = true
	
	# Play animation
	if is_on_floor():	
		if direction == 0:
			animated_sprite_2d.play("idle")
		else:
			animated_sprite_2d.play("run")
	else:
		animated_sprite_2d.play("jump")
	
	# Move
	if direction:
		velocity.x = direction * SPEED
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)
		

	move_and_slide()