/* Used when canceling transforms - return rigidbody and object to initial states */
void BKE_rigidbody_aftertrans_update(Object *ob, float loc[3], float rot[3], float quat[4], float rotAxis[3], float rotAngle)
{
RigidBodyOb *rbo = ob->rigidbody_object;
/* return rigid body and object to their initial states */
copy_v3_v3(rbo->pos, ob->loc);
copy_v3_v3(ob->loc, loc);
if (ob->rotmode > 0) {
eulO_to_quat(rbo->orn, ob->rot, ob->rotmode);
copy_v3_v3(ob->rot, rot);
}
else if (ob->rotmode == ROT_MODE_AXISANGLE) {
axis_angle_to_quat(rbo->orn, ob->rotAxis, ob->rotAngle);
copy_v3_v3(ob->rotAxis, rotAxis);
ob->rotAngle = rotAngle;
}
else {
copy_qt_qt(rbo->orn, ob->quat);
copy_qt_qt(ob->quat, quat);
}
if (rbo->physics_object) {
/* allow passive objects to return to original transform */
if (rbo->type == RBO_TYPE_PASSIVE)
RB_body_set_kinematic_state(rbo->physics_object, TRUE);
RB_body_set_loc_rot(rbo->physics_object, rbo->pos, rbo->orn);
}
// RB_TODO update rigid body physics object's loc/rot for dynamic objects here as well (needs to be done outside bullet's update loop)
}
static PyObject *Euler_to_quaternion(EulerObject * self)
{
float quat[4];
if(!BaseMath_ReadCallback(self))
return NULL;
eulO_to_quat(quat, self->eul, self->order);
return newQuaternionObject(quat, Py_NEW, NULL);
}
int BL_ArmatureChannel::py_attr_set_joint_rotation(void *self_v, const struct KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
{
BL_ArmatureChannel* self= static_cast<BL_ArmatureChannel*>(self_v);
bPoseChannel* pchan = self->m_posechannel;
PyObject *item;
float joints[3];
float quat[4];
if (!PySequence_Check(value) || PySequence_Size(value) != 3) {
PyErr_SetString(PyExc_AttributeError, "expected a sequence of [3] floats");
return PY_SET_ATTR_FAIL;
}
for (int i=0; i<3; i++) {
item = PySequence_GetItem(value, i); /* new ref */
joints[i] = PyFloat_AsDouble(item);
Py_DECREF(item);
if (joints[i] == -1.0f && PyErr_Occurred()) {
PyErr_SetString(PyExc_AttributeError, "expected a sequence of [3] floats");
return PY_SET_ATTR_FAIL;
}
}
int flag = 0;
if (!(pchan->ikflag & BONE_IK_NO_XDOF))
flag |= 1;
if (!(pchan->ikflag & BONE_IK_NO_YDOF))
flag |= 2;
if (!(pchan->ikflag & BONE_IK_NO_ZDOF))
flag |= 4;
unit_qt(quat);
switch (flag) {
case 0: // fixed joint
break;
case 1: // X only
joints[1] = joints[2] = 0.f;
eulO_to_quat( quat,joints, EULER_ORDER_XYZ);
break;
case 2: // Y only
joints[0] = joints[2] = 0.f;
eulO_to_quat( quat,joints, EULER_ORDER_XYZ);
break;
case 3: // X+Y
joints[2] = 0.f;
eulO_to_quat( quat,joints, EULER_ORDER_ZYX);
break;
case 4: // Z only
joints[0] = joints[1] = 0.f;
eulO_to_quat( quat,joints, EULER_ORDER_XYZ);
break;
case 5: // X+Z
// X and Z are components of an equivalent rotation axis
joints[1] = 0;
axis_angle_to_quat( quat,joints, len_v3(joints));
break;
case 6: // Y+Z
joints[0] = 0.f;
eulO_to_quat( quat,joints, EULER_ORDER_XYZ);
break;
case 7: // X+Y+Z
// equivalent axis
axis_angle_to_quat( quat,joints, len_v3(joints));
break;
}
if (pchan->rotmode > 0) {
quat_to_eulO( joints, pchan->rotmode,quat);
copy_v3_v3(pchan->eul, joints);
} else
copy_qt_qt(pchan->quat, quat);
return PY_SET_ATTR_SUCCESS;
}