extends KinematicBody2D

const ACCELERATION = 1000
var hud: CanvasLayer = null
const HEALTH_SLICES: Array = [0, 20, 35, 50, 65, 80, 100]
var health_index: int = 6
const MAX_SPEED = 120
const FRICTION = 1000

var velocity: Vector2 = Vector2.ZERO


func _physics_process(delta) -> void:
    var input_vector: Vector2 = Vector2.ZERO

    input_vector.x = Input.get_action_strength('player_right') - Input.get_action_strength('player_left')
    input_vector.y = Input.get_action_strength('player_down') - Input.get_action_strength('player_up')
    input_vector = input_vector.normalized()

    if input_vector != Vector2.ZERO:
        $AnimationTree.set('parameters/Idle/blend_position', input_vector)
        velocity = velocity.move_toward(input_vector * MAX_SPEED, ACCELERATION * delta)
    else:
        velocity = velocity.move_toward(Vector2.ZERO, FRICTION * delta)

    velocity = move_and_slide(velocity)
    return
func load_hud(node: CanvasLayer) -> void:
    hud = node
    #if hud.connect('add_currency', self, 'add_currency') != OK:
        #print('ERROR: HUD "add_currency" signal already connected.')

    hud.update_health(HEALTH_SLICES[health_index])
    hud.update_currency($Inventory.get_currency())
    return