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| author | Rémi Verschelde <rverschelde@gmail.com> | 2020-05-11 13:45:48 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-11 13:45:48 +0200 |
| commit | 32133a11b56761df99579ad96ee29a47d2aed6b4 (patch) | |
| tree | ab68992cfe6b1f59a618f713545fdcb3b6488b07 /core/math/camera_matrix.cpp | |
| parent | bbdfc7353c3af72fcdf037ff10b8571aa2afc230 (diff) | |
| parent | 1bea8e1eacc68bcedbd3f207395bccf11011dae2 (diff) | |
| download | redot-engine-32133a11b56761df99579ad96ee29a47d2aed6b4.tar.gz | |
Merge pull request #38386 from reduz/new-lightmapper
New GPU lightmapper
Diffstat (limited to 'core/math/camera_matrix.cpp')
| -rw-r--r-- | core/math/camera_matrix.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/core/math/camera_matrix.cpp b/core/math/camera_matrix.cpp index 76321b0679..5d3ebc9f6d 100644 --- a/core/math/camera_matrix.cpp +++ b/core/math/camera_matrix.cpp @@ -33,6 +33,22 @@ #include "core/math/math_funcs.h" #include "core/print_string.h" +float CameraMatrix::determinant() const { + + return matrix[0][3] * matrix[1][2] * matrix[2][1] * matrix[3][0] - matrix[0][2] * matrix[1][3] * matrix[2][1] * matrix[3][0] - + matrix[0][3] * matrix[1][1] * matrix[2][2] * matrix[3][0] + matrix[0][1] * matrix[1][3] * matrix[2][2] * matrix[3][0] + + matrix[0][2] * matrix[1][1] * matrix[2][3] * matrix[3][0] - matrix[0][1] * matrix[1][2] * matrix[2][3] * matrix[3][0] - + matrix[0][3] * matrix[1][2] * matrix[2][0] * matrix[3][1] + matrix[0][2] * matrix[1][3] * matrix[2][0] * matrix[3][1] + + matrix[0][3] * matrix[1][0] * matrix[2][2] * matrix[3][1] - matrix[0][0] * matrix[1][3] * matrix[2][2] * matrix[3][1] - + matrix[0][2] * matrix[1][0] * matrix[2][3] * matrix[3][1] + matrix[0][0] * matrix[1][2] * matrix[2][3] * matrix[3][1] + + matrix[0][3] * matrix[1][1] * matrix[2][0] * matrix[3][2] - matrix[0][1] * matrix[1][3] * matrix[2][0] * matrix[3][2] - + matrix[0][3] * matrix[1][0] * matrix[2][1] * matrix[3][2] + matrix[0][0] * matrix[1][3] * matrix[2][1] * matrix[3][2] + + matrix[0][1] * matrix[1][0] * matrix[2][3] * matrix[3][2] - matrix[0][0] * matrix[1][1] * matrix[2][3] * matrix[3][2] - + matrix[0][2] * matrix[1][1] * matrix[2][0] * matrix[3][3] + matrix[0][1] * matrix[1][2] * matrix[2][0] * matrix[3][3] + + matrix[0][2] * matrix[1][0] * matrix[2][1] * matrix[3][3] - matrix[0][0] * matrix[1][2] * matrix[2][1] * matrix[3][3] - + matrix[0][1] * matrix[1][0] * matrix[2][2] * matrix[3][3] + matrix[0][0] * matrix[1][1] * matrix[2][2] * matrix[3][3]; +} + void CameraMatrix::set_identity() { for (int i = 0; i < 4; i++) { |