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invert assert

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This commit is contained in:
Simon Pribylski
2023-06-03 19:44:05 +02:00
parent 0365902971
commit bc7e5914ce
1 changed files with 4 additions and 0 deletions
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4
src/misc/Maths.cpp
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@@ -1,5 +1,7 @@
#include "misc/Maths.h" #include "misc/Maths.h"
#include <cassert>
namespace td { namespace td {
namespace maths { namespace maths {
@@ -56,6 +58,8 @@ Mat4f Inverse(const Mat4f& mat) {
// Should check for 0 determinant // Should check for 0 determinant
float invdet = 1.0 / (s0 * c5 - s1 * c4 + s2 * c3 + s3 * c2 - s4 * c1 + s5 * c0); float invdet = 1.0 / (s0 * c5 - s1 * c4 + s2 * c3 + s3 * c2 - s4 * c1 + s5 * c0);
assert(invdet != 0 && "Determinant equals 0 !");
Mat4f result; Mat4f result;
result.at(0, 0) = ( mat.at(1, 1) * c5 - mat.at(1, 2) * c4 + mat.at(1, 3) * c3) * invdet; result.at(0, 0) = ( mat.at(1, 1) * c5 - mat.at(1, 2) * c4 + mat.at(1, 3) * c3) * invdet;