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add angle wrapping functions: angle_wrap_rad(), angle_wrap_deg().

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use with mathutils.
This commit is contained in:
Campbell Barton
2011-04-02 03:05:49 +00:00
parent 69bd72c3b6
commit f1b42a129f
4 changed files with 22 additions and 4 deletions
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4
source/blender/python/generic/mathutils_Quaternion.c
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@@ -861,7 +861,7 @@ static int Quaternion_setAngle(QuaternionObject *self, PyObject *value, void *UN
return -1;
}
angle= fmod(angle + M_PI*2, M_PI*4) - M_PI*2;
angle= angle_wrap_rad(angle);
/* If the axis of rotation is 0,0,0 set it to 1,0,0 - for zero-degree rotations */
if( EXPP_FloatsAreEqual(axis[0], 0.0f, 10) &&
@@ -955,7 +955,7 @@ static PyObject *Quaternion_new(PyTypeObject *type, PyObject *args, PyObject *kw
case 2:
if (mathutils_array_parse(quat, 3, 3, seq, "mathutils.Quaternion()") == -1)
return NULL;
angle= fmod(angle + M_PI*2, M_PI*4) - M_PI*2; /* clamp because of precision issues */
angle= angle_wrap_rad(angle); /* clamp because of precision issues */
axis_angle_to_quat(quat, quat, angle);
break;
/* PyArg_ParseTuple assures no more then 2 */