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svn merge -r 15202:15292 https://svn.blender.org/svnroot/bf-blender/trunk/blender

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This commit is contained in:
Andre Susano Pinto
2008-06-20 21:36:15 +00:00
parent 824eac5095
commit ffbe42129e
160 changed files with 25956 additions and 4414 deletions
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49
source/blender/python/api2_2x/Mathutils.c
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@@ -725,28 +725,33 @@ PyObject *M_Mathutils_RotationMatrix(PyObject * self, PyObject * args)
vec->vec[0] /= norm;
vec->vec[1] /= norm;
vec->vec[2] /= norm;
//create matrix
cosAngle = (float) cos(angle);
sinAngle = (float) sin(angle);
mat[0] = ((vec->vec[0] * vec->vec[0]) * (1 - cosAngle)) +
cosAngle;
mat[1] = ((vec->vec[0] * vec->vec[1]) * (1 - cosAngle)) +
(vec->vec[2] * sinAngle);
mat[2] = ((vec->vec[0] * vec->vec[2]) * (1 - cosAngle)) -
(vec->vec[1] * sinAngle);
mat[3] = ((vec->vec[0] * vec->vec[1]) * (1 - cosAngle)) -
(vec->vec[2] * sinAngle);
mat[4] = ((vec->vec[1] * vec->vec[1]) * (1 - cosAngle)) +
cosAngle;
mat[5] = ((vec->vec[1] * vec->vec[2]) * (1 - cosAngle)) +
(vec->vec[0] * sinAngle);
mat[6] = ((vec->vec[0] * vec->vec[2]) * (1 - cosAngle)) +
(vec->vec[1] * sinAngle);
mat[7] = ((vec->vec[1] * vec->vec[2]) * (1 - cosAngle)) -
(vec->vec[0] * sinAngle);
mat[8] = ((vec->vec[2] * vec->vec[2]) * (1 - cosAngle)) +
cosAngle;
if (isnan(vec->vec[0]) || isnan(vec->vec[1]) || isnan(vec->vec[2])) {
/* zero length vector, return an identity matrix, could also return an error */
mat[0]= mat[4] = mat[8] = 1.0f;
} else {
/* create matrix */
cosAngle = (float) cos(angle);
sinAngle = (float) sin(angle);
mat[0] = ((vec->vec[0] * vec->vec[0]) * (1 - cosAngle)) +
cosAngle;
mat[1] = ((vec->vec[0] * vec->vec[1]) * (1 - cosAngle)) +
(vec->vec[2] * sinAngle);
mat[2] = ((vec->vec[0] * vec->vec[2]) * (1 - cosAngle)) -
(vec->vec[1] * sinAngle);
mat[3] = ((vec->vec[0] * vec->vec[1]) * (1 - cosAngle)) -
(vec->vec[2] * sinAngle);
mat[4] = ((vec->vec[1] * vec->vec[1]) * (1 - cosAngle)) +
cosAngle;
mat[5] = ((vec->vec[1] * vec->vec[2]) * (1 - cosAngle)) +
(vec->vec[0] * sinAngle);
mat[6] = ((vec->vec[0] * vec->vec[2]) * (1 - cosAngle)) +
(vec->vec[1] * sinAngle);
mat[7] = ((vec->vec[1] * vec->vec[2]) * (1 - cosAngle)) -
(vec->vec[0] * sinAngle);
mat[8] = ((vec->vec[2] * vec->vec[2]) * (1 - cosAngle)) +
cosAngle;
}
} else {
return EXPP_ReturnPyObjError(PyExc_AttributeError,
"Mathutils.RotationMatrix(): unrecognizable axis of rotation type - expected x,y,z or r\n");