# get angle between two points

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Hı there,
well im not sure if it works but i tough about how to make godot detect that what i draw is a circle or not, using the angle between two points.

this is my draw:

i thought if i get the every angle between between closest points, and if any of them are not `90 degree` or close to `90 degree`, its means that angle is smoot, like this:

and in the end what we have will be a circle, at least that what i thought.

is this doable?
i mean i did try few things with `angle_to_point` or `\$node.get_angle_to`
but cant reach the points one by one, or add them to an array so that i can reach them from there, but couldn’t do that to. And i couldn’t found any example or tutorial on the net either.

so here i am, is this doable? or are there a diffrent way to make godot detect that what draw is, a circle ?

this is how i draw,

``````extends Node2D
var touch_position = Vector2()
var current_touch = Vector2()

var point_draw

func _input(event):

if event is InputEventScreenTouch and event.is_pressed():
touch_position = event.get_position()

if event is InputEventScreenTouch and not event.is_pressed():
\$line_delete_timer.start()

if event is InputEventScreenDrag:
current_touch = event.get_position()

if event is InputEventScreenDrag and not event.is_pressed():
yield(get_tree().create_timer(0.25),"timeout")
current_touch = null

func _process(delta):
if current_touch:
print (current_touch)
point_draw = current_touch
if \$draw_line.points.size() > 70:
\$draw_line.remove_point(0)

func _on_line_delete_timer_timeout():
\$draw_line.clear_points()
\$line_delete_timer.stop()
``````

and this are nodes:

i think i made a little progress, but not sure solve it or not

``````func _process(delta):
if current_touch:
point_draw = current_touch
var all_points = \$draw_line.points

for point_angles in range(all_points.size() - 1):
var angle_result= abs(current_touch.angle_to_point(\$draw_line.points[point_angles-1]))