extends RayCast2D

var is_casting := false setget set_is_casting

func _ready() -> void:
    set_physics_process(false)
    $Line2D.points[1] = Vector2.ZERO

func _physics_process(delta: float) -> void:
    var cast_point := cast_to
    force_raycast_update()

    if is_colliding():
        # Show particles
        cast_point = to_local(get_collision_point())
        #$ColissionParticles.emitting = true

        # Get collider
        var collider = get_collider()

        print('collided')

    else:
        #$ColissionParticles.emitting = false
        pass

    $Line2D.points[1] = cast_point

# Cast bullet
func _unhandled_input(event: InputEvent) -> void:
    if event is InputEventMouseButton:
        self.is_casting = event.pressed

func set_is_casting(cast: bool) -> void:
    is_casting = cast

    #$LaserParticles.emitting = is_casting

    # Show laser beam
    if is_casting:
        appear()
    else:
        #$LaserParticles.emitting = false
        #$ColissionParticles.emitting = false
        disappear()

    set_physics_process(is_casting)

func appear() -> void:
    $Tween.stop_all()
    $Tween.interpolate_property($Line2D, "width", 0, 10.0, 0.2)
    $Tween.start()

func disappear() -> void:
    $Tween.stop_all()
    $Tween.interpolate_property($Line2D, "width", 10.0, 0, 0.1)
    $Tween.start()