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Made Mathutils use radians rather then degrees. defining USE_MATHUTILS_DEG for testing existing scripts.

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Added conversion for BGE Quaternion WXYZ (Blender/C) -> XYZW (Moto C++).
BGE Python API now uses WXYZ following mathutils (break script warning).
This commit is contained in:
Campbell Barton
2009-06-25 20:47:41 +00:00
parent 47ca543b32
commit 4b914c7f75
9 changed files with 120 additions and 24 deletions
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17
source/blender/python/generic/Mathutils.c
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@@ -275,8 +275,11 @@ static PyObject *M_Mathutils_AngleBetweenVecs(PyObject * self, PyObject * args)
angleRads = (double)saacos(dot);
#ifdef USE_MATHUTILS_DEG
return PyFloat_FromDouble(angleRads * (180/ Py_PI));
#else
return PyFloat_FromDouble(angleRads);
#endif
AttributeError1:
PyErr_SetString(PyExc_AttributeError, "Mathutils.AngleBetweenVecs(): expects (2) VECTOR objects of the same size\n");
return NULL;
@@ -364,12 +367,19 @@ static PyObject *M_Mathutils_RotationMatrix(PyObject * self, PyObject * args)
PyErr_SetString(PyExc_TypeError, "Mathutils.RotationMatrix(): expected float int and optional string and vector\n");
return NULL;
}
#ifdef USE_MATHUTILS_DEG
/* Clamp to -360:360 */
while (angle<-360.0f)
angle+=360.0;
while (angle>360.0f)
angle-=360.0;
#else
while (angle<-(Py_PI*2))
angle+=(Py_PI*2);
while (angle>(Py_PI*2))
angle-=(Py_PI*2);
#endif
if(matSize != 2 && matSize != 3 && matSize != 4) {
PyErr_SetString(PyExc_AttributeError, "Mathutils.RotationMatrix(): can only return a 2x2 3x3 or 4x4 matrix\n");
@@ -399,8 +409,11 @@ static PyObject *M_Mathutils_RotationMatrix(PyObject * self, PyObject * args)
return NULL;
}
#ifdef USE_MATHUTILS_DEG
//convert to radians
angle = angle * (float) (Py_PI / 180);
#endif
if(axis == NULL && matSize == 2) {
//2D rotation matrix
mat[0] = (float) cos (angle);