From ce1138cb02c75896e1926ad2e7b51fa2c0cd2f19 Mon Sep 17 00:00:00 2001
From: Mateusz Adamczyk
Date: Sat, 8 Oct 2016 12:33:10 +0200
Subject: Added simple check to viewport, if matrix32 is invesile
 (https://github.com/godotengine/godot/issues/6296).

(cherry picked from commit 8671836b76e8723a1d9021f8d7bf56ce5fdcc6f3)
---
 core/math/math_2d.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'core/math/math_2d.cpp')

diff --git a/core/math/math_2d.cpp b/core/math/math_2d.cpp
index 2cc11aa73..e616f0591 100644
--- a/core/math/math_2d.cpp
+++ b/core/math/math_2d.cpp
@@ -424,7 +424,7 @@ Matrix32 Matrix32::inverse() const {
 
 void Matrix32::affine_invert() {
 
-	float det = elements[0][0]*elements[1][1] - elements[1][0]*elements[0][1];
+	float det = basis_determinant();
 	ERR_FAIL_COND(det==0);
 	float idet = 1.0 / det;
 
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