extends Spatial

var direction = Vector3.FORWARD
var tx: int
var was_target


func _physics_process(delta):
	var vel = get_parent().get_linear_velocity()
	var target = get_parent().target
	if target:
		var target_pos = target.get_global_transform().origin
		look_at(target_pos, Vector3.UP)
		rotate_object_local(Vector3(0, 1, 0), PI)
		rotation.x = clamp(rotation.x, 0, rotation.x)

		if not was_target:
			pass
	else:
		vel.y = 0
		if abs(vel.x) > 1.0 or abs(vel.z) > 1.0:
			direction = lerp(direction, -vel.normalized(), 0.5 * delta)
			global_transform.basis = get_rotation_from_direction(direction)

	was_target = target


func get_rotation_from_direction(dir: Vector3) -> Basis:
	dir = dir.normalized()
	var x_axis = dir.cross(Vector3.UP)
	return Basis(x_axis, Vector3.UP, -dir)


func _ready():
	$ClippedCamera.add_exception(get_parent())