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dihedral: Fix matrices

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We've convinced ourselves that the matrix for FLIPPED_90 must
be M(90) * M(FLIPPED), which means that the FLIPPED_90 and
FLIPPED_270 matrices are flipped.
This commit is contained in:
Matthias Clasen 2024-12-05 17:31:43 -05:00
parent 1e7e51b6e7
commit 305fad9a24
1 changed files with 4 additions and 4 deletions
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8
gdk/gdkdihedral.c
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@ -42,16 +42,16 @@ gdk_dihedral_get_mat2 (GdkDihedral transform,
{ 0.0, 1.0 }
},
[GDK_DIHEDRAL_FLIPPED_90] = {
{ 0.0, -1.0 },
{ -1.0, 0.0 }
{ 0.0, 1.0 },
{ 1.0, 0.0 }
},
[GDK_DIHEDRAL_FLIPPED_180] = {
{ 1.0, 0.0 },
{ 0.0, -1.0 }
},
[GDK_DIHEDRAL_FLIPPED_270] = {
{ 0.0, 1.0 },
{ 1.0, 0.0 }
{ 0.0, -1.0 },
{ -1.0, 0.0 }
},
};