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

Added conversion for BGE Quaternion WXYZ (Blender/C) -> XYZW (Moto C++).
BGE Python API now uses WXYZ following mathutils (break script warning).

1 files changed, 20 insertions, 0 deletions

diff --git a/source/gameengine/Ketsji/KX_PyMath.h b/source/gameengine/Ketsji/KX_PyMath.h
index 90a13425aa0..f37925bb0ab 100644
--- a/source/gameengine/Ketsji/KX_PyMath.h
+++ b/source/gameengine/Ketsji/KX_PyMath.h
@@ -116,6 +116,16 @@ bool PyVecTo(PyObject* pyval, T& vec)
 		vec.getValue((float *) pyvec->vec);
 		return true;
 	}
+	else if(QuaternionObject_Check(pyval)) {
+		QuaternionObject *pyquat= (QuaternionObject *)pyval;
+		if (4 != Size(vec)) {
+			PyErr_Format(PyExc_AttributeError, "error setting vector, %d args, should be %d", 4, Size(vec));
+			return false;
+		}
+		/* xyzw -> wxyz reordering is done by PyQuatTo */
+		vec.getValue((float *) pyquat->quat);
+		return true;
+	}
 	else if(EulerObject_Check(pyval)) {
 		EulerObject *pyeul= (EulerObject *)pyval;
 		if (3 != Size(vec)) {
@@ -186,6 +196,9 @@ bool PyVecTo(PyObject* pyval, T& vec)
 	return false;
 }
 
+
+bool PyQuatTo(PyObject* pyval, MT_Quaternion &qrot);
+
 bool PyOrientationTo(PyObject* pyval, MT_Matrix3x3 &mat, const char *error_prefix);
 
 /**
@@ -208,6 +221,13 @@ PyObject* PyObjectFrom(const MT_Tuple2 &vec);
  */
 PyObject* PyObjectFrom(const MT_Tuple3 &vec);
 
+#ifdef USE_MATHUTILS
+/**
+ * Converts an MT_Quaternion to a python object.
+ */
+PyObject* PyObjectFrom(const MT_Quaternion &qrot);
+#endif
+
 /**
  * Converts an MT_Tuple4 to a python object.
  */