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Fix T51287: Matrix.lerp fails w/ shear 

Use interp_m4_m4m4 (wraps Eigen),
`MATH_STANDALONE` will need to be updated to support this.
This commit is contained in:
Brecht Van Lommel 2017-05-26 17:00:20 +10:00 committed by Campbell Barton
parent b5a976ec19
commit 98df7d778f
Notes: blender-bot 2023-02-14 07:02:38 +01:00 
Referenced by issue #51287, MatrixUtils LERP incorrect interpolation
1 changed files with 2 additions and 2 deletions
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4
source/blender/python/mathutils/mathutils_Matrix.c
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@ -1709,10 +1709,10 @@ static PyObject *Matrix_lerp(MatrixObject *self, PyObject *args)
/* TODO, different sized matrix */
if (self->num_col == 4 && self->num_row == 4) {
blend_m4_m4m4((float (*)[4])mat, (float (*)[4])self->matrix, (float (*)[4])mat2->matrix, fac);
interp_m4_m4m4((float (*)[4])mat, (float (*)[4])self->matrix, (float (*)[4])mat2->matrix, fac);
}
else if (self->num_col == 3 && self->num_row == 3) {
blend_m3_m3m3((float (*)[3])mat, (float (*)[3])self->matrix, (float (*)[3])mat2->matrix, fac);
interp_m3_m3m3((float (*)[3])mat, (float (*)[3])self->matrix, (float (*)[3])mat2->matrix, fac);
}
else {
PyErr_SetString(PyExc_ValueError,