From 100f50b7df7312f8fc56df7fd3e18427678bd957 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
Date: Mon, 13 Jan 2020 12:13:45 +0100
Subject: Control/Light2D: Preventing setting 0 as scale as for Node2D

Triggers errors in `Transform2D::affine_invert()`.

Fixes #26510.
Fixes https://github.com/godotengine/godot/issues/24997#issuecomment-457951639.
---
 scene/gui/control.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'scene/gui/control.cpp')

diff --git a/scene/gui/control.cpp b/scene/gui/control.cpp
index 9a67745e0d..4f499af186 100644
--- a/scene/gui/control.cpp
+++ b/scene/gui/control.cpp
@@ -2682,6 +2682,11 @@ Vector2 Control::get_pivot_offset() const {
 void Control::set_scale(const Vector2 &p_scale) {
 
 	data.scale = p_scale;
+	// Avoid having 0 scale values, can lead to errors in physics and rendering.
+	if (data.scale.x == 0)
+		data.scale.x = CMP_EPSILON;
+	if (data.scale.y == 0)
+		data.scale.y = CMP_EPSILON;
 	update();
 	_notify_transform();
 }
-- 
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