trail2d.gd

extends Line2D

var _prev_pos = Vector2()
var points_size = 100

func _ready():
	set_process(true)
	for i in range(points_size):
		add_point(Vector2())

func _process(delta):
	if Input.is_mouse_button_pressed(BUTTON_LEFT):
		set_point_position(points_size-1,get_global_mouse_position())
	
	for i in range(points.size()-1):
		set_point_position(i, points[i+1])