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add angle_to_mat2 utility function.

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Campbell Barton
2013-09-10 20:45:47 +00:00
parent 734eaab545
commit ab8d88ac18
3 changed files with 18 additions and 10 deletions
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10
source/blender/python/mathutils/mathutils_Matrix.c
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@@ -522,18 +522,12 @@ static PyObject *C_Matrix_Rotation(PyObject *cls, PyObject *args)
axis_angle_to_mat3((float (*)[3])mat, tvec, angle);
}
else if (matSize == 2) {
const float angle_cos = cosf(angle);
const float angle_sin = sinf(angle);
angle_to_mat2((float (*)[2])mat, angle);
/* 2D rotation matrix */
mat[0] = angle_cos;
mat[1] = angle_sin;
mat[2] = -angle_sin;
mat[3] = angle_cos;
}
else {
/* valid axis checked above */
single_axis_angle_to_mat3((float (*)[3])mat, axis[0], angle);
axis_angle_to_mat3_single((float (*)[3])mat, axis[0], angle);
}
if (matSize == 4) {