Custom Drawing not updating

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:bust_in_silhouette: Asked By Mitnik

Hi I am following the godot docs tutorial for custom drawings and came up with this code for my project:

extends Node2D

var rotation_angle = 50
var nb_points : int = 32
var points_arc : PoolVector2Array = PoolVector2Array()
var angle_point : float

var center : Vector2
var radius : float
var angle_from : float = 90
var angle_to : float = 0
var color : Color

func _ready():

func _draw():
	center.y = 0
	radius = abs(get_global_mouse_position().y)
	center.x = radius
	angle_to = 90
	angle_from = 270
	color = Color(1,0,0)
	_draw_arc(center, radius, angle_from, angle_to, color)

func _process(delta):

func _draw_arc(center, radius, angle_from, angle_to, color):
	for i in range(nb_points + 1):
		angle_point = deg2rad(angle_from + i * (angle_to - angle_from) / nb_points - 90)
		points_arc.push_back(center + Vector2(cos(angle_point), sin(angle_point)) * radius)
	for index_point in range(nb_points):
		draw_line(points_arc[index_point], points_arc[index_point + 1], color)

what I want is to change the radius of the half circle drawn depending on my mouse pos y-coordinate I’m pretty sure the value for the radius is actually changing because by printing the value it is always different whenever I move my mouse but the half circle which is drawn is not updating although I am using update() in the func _process() and I used tool at the beginning as well but doesn’t seem to affect it at all

please help me resolve this thank you very much.

:bust_in_silhouette: Reply From: Zylann

Try reloading your scene for tool to take effect.