extends CharacterBody2D

const SPEED = 150.0
const JUMP_VELOCITY = -200.0
const MAX_FALL = 200
var has_double_jumped: bool = false
var jump_released: bool = false

# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")

func _physics_process(delta):
	if self.get_position()[1] >= MAX_FALL:
		get_tree().reload_current_scene()
	
	if is_on_floor():
		has_double_jumped = false
		
	if Input.is_action_just_pressed("ui_jump") and not is_on_floor() and not has_double_jumped:
		has_double_jumped = true
		jump_released = false
		velocity.y = 0
		velocity.y += JUMP_VELOCITY
		
	# Add the gravity.
	if not is_on_floor():
		velocity.y += gravity/2    * delta

	# Handle Jump.
	if Input.is_action_just_pressed("ui_jump") and is_on_floor():
		velocity.y = JUMP_VELOCITY
		jump_released = false
	
	if Input.is_action_just_released("ui_jump") and not jump_released:
		velocity.y = velocity.y * 0.2 #Slow down verticle acceleration
		jump_released = true
	# Get the input direction and handle the movement/deceleration.
	# As good practice, you should replace UI actions with custom gameplay actions.
	var direction = Input.get_axis("ui_left", "ui_right")
	if direction:
		velocity.x = direction * SPEED
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)
		
	if velocity.x < 0:
		get_node("AnimatedSprite2D").set_flip_h(true)
	if velocity.x > 0:
		get_node("AnimatedSprite2D").set_flip_h(false)

	move_and_slide()