extends Camera3D

@export var rail : Path3D
@export var target : Node3D
@export var seek_easing : float

var target_pos

# Called when the node enters the scene tree for the first time.
func init():
	target_pos = target.position

func seek_target():
	
	if target_pos != target.position:
		target_pos = target_pos.move_toward( target.position , target.position.distance_to(target_pos)/seek_easing )	
	look_at( target_pos + Vector3(0.0,0.70,0.0) )

	
func constraint_to_rail():
	position = rail.curve.get_closest_point( target.position )

func _ready():
	init()


func _process(delta):
	constraint_to_rail()
	seek_target()