extends Camera2D


# Declare member variables here. Examples:
# var a = 2
# var b = "text"

onready var path : Path2D = get_node(@"../Path2D")
onready var points = path.curve.get_baked_points()
export var speedup = 600
export var speedup_time = 5
export var initial_speed = 100
onready var current_speed = initial_speed
var pidx = 0
var t = 0
# Called when the node enters the scene tree for the first time.
func _ready():
	pass


# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	if pidx == -1:
		return
	var next_point = points[pidx]
	var dist : Vector2 = next_point - position
	if t < speedup_time:
		current_speed += speedup * max(0, min(speedup_time-t, delta))
		t += delta
	if dist.length() - current_speed * delta < 0.5:
		position = next_point
		pidx += 1
		if pidx >= points.size():
			pidx = -1
		return
	var velocity = dist.normalized() * current_speed * delta
	position += velocity