From 5be4eb9fc607bf5fb259fc58254938225bb523c4 Mon Sep 17 00:00:00 2001
From: kleonc <9283098+kleonc@users.noreply.github.com>
Date: Sat, 16 Mar 2024 15:02:28 +0100
Subject: [PATCH] Simplify Control internal transform calculation

---
 scene/gui/control.cpp | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/scene/gui/control.cpp b/scene/gui/control.cpp
index 2d425490d1f..5c6f9eca1e4 100644
--- a/scene/gui/control.cpp
+++ b/scene/gui/control.cpp
@@ -682,12 +682,10 @@ Size2 Control::get_parent_area_size() const {
 // Positioning and sizing.
 
 Transform2D Control::_get_internal_transform() const {
-	Transform2D rot_scale;
-	rot_scale.set_rotation_and_scale(data.rotation, data.scale);
-	Transform2D offset;
-	offset.set_origin(-data.pivot_offset);
-
-	return offset.affine_inverse() * (rot_scale * offset);
+	// T(pivot_offset) * R(rotation) * S(scale) * T(-pivot_offset)
+	Transform2D xform(data.rotation, data.scale, 0.0f, data.pivot_offset);
+	xform.translate_local(-data.pivot_offset);
+	return xform;
 }
 
 void Control::_update_canvas_item_transform() {