def updateTRS(self, expectedTRS, op, v, space=om.MSpace.kWorld):
'''Update the expected vector based on given operation, vector and space
The expectedTRS vector has 9 entries:
* 0-2 The world position
* 3-5 The world rotation (in degrees)
* 6-8 The world scale
The possible operations are move, rotate, and scale.
The possible spaces are kObject and kWorld (default)
'''
if (expectedTRS is None):
expectedTRS = [None] * 9
# trs starts as the identity matrix
#
trs = om.MTransformationMatrix()
# Add translation, rotation, and scale, in world space, to recreate
# the last transformation matrix.
#
if (expectedTRS[0] is not None):
trs.setTranslation(
om.MVector(expectedTRS[0], expectedTRS[1], expectedTRS[2]),
om.MSpace.kWorld)
if (expectedTRS[3] is not None):
trs.setRotation(
om.MEulerRotation(radians(expectedTRS[3]),
radians(expectedTRS[4]),
radians(expectedTRS[5])))
if (expectedTRS[6] is not None):
trs.setScale(
om.MVector(expectedTRS[6], expectedTRS[7], expectedTRS[8]),
om.MSpace.kWorld)
# Apply the requested operation. If the space is kObject, and we had a
# scale factor, we must counteract it to get the right matrix, by
# dividing the translation vector by it (otherwise it ends up being
# scaled twice, and the expected value is incorrect).
#
if op == self.move:
if (space == om.MSpace.kObject and expectedTRS[6] is not None):
trs.translateBy(
om.MVector(v[0] / expectedTRS[6], v[1] / expectedTRS[7],
v[2] / expectedTRS[8]), space)
else:
trs.translateBy(om.MVector(v[0], v[1], v[2]), space)
elif op == self.rotate:
trs.rotateBy(
om.MEulerRotation(radians(v[0]), radians(v[1]), radians(v[2])),
space)
elif op == self.scale:
trs.scaleBy(om.MVector(v[0], v[1], v[2]), space)
# Recover the world space translate, rotate, and scale, and updated
# the expected vector
#
expectedTRS[0:3] = trs.translation(om.MSpace.kWorld)
r = trs.rotation().asVector()
expectedTRS[3] = degrees(r[0])
expectedTRS[4] = degrees(r[1])
expectedTRS[5] = degrees(r[2])
expectedTRS[6:9] = trs.scale(om.MSpace.kWorld)
return expectedTRS
def test_setRotation(self):
con = control.Control(name="testControl")
con.create(shape="arrow")
con.setRotation(om2.MEulerRotation(10, 10, 10))
trans = om2.MFnTransform(con.dagPath.node())
rot = trans.rotation()
self.assertEquals(rot, om2.MEulerRotation(10, 10, 10))
con.setRotation(om2.MEulerRotation(-10, -10, -10), cvs=True)
# probably should test the cv locations
self.assertEquals(trans.rotation(), om2.MEulerRotation(10, 10, 10))
def getObjectWorldOrientation(node):
if(node is None):
return None
jointRot = getJointWorldOrientation(node) if isJoint(node) else om.MEulerRotation()
rot = cmds.xform(node, query=True, translation=False, rotation=True, absolute=True)
rotOrder = mayaMathUtil.nodeRotOrderToEulerRotOrder(cmds.xform(node, query=True, rotateOrder=True, absolute=True))
objRot = om.MEulerRotation(math.radians(rot[0]), math.radians(rot[1]), math.radians(rot[2]), rotOrder)
return objRot * jointRot
def compute(self, plug, dataBlock):
if plug is not self.expmap and plug not in self.expmapElement:
return
r = [0, 0, 0]
for i in xrange(0, 3):
rHandle = dataBlock.inputValue(mlEulerToExpmap.eulerAngles[i])
r[i] = rHandle.asDouble()
roHandle = dataBlock.inputValue(mlEulerToExpmap.rotateOrder)
rotateOrder = roHandle.asInt()
eulerRotation = OpenMaya.MEulerRotation(r[0], r[1], r[2], rotateOrder)
q = eulerRotation.asQuaternion()
if q.w < 0:
q = -q
if math.fabs(q.w) > 1.0 - 1.0e-6:
a = 0.0
isina = 0.0
else:
a = math.acos(q.w)
isina = a / math.sin(a)
ln = (q.x * isina, q.y * isina, q.z * isina)
for i in xrange(0, 3):
outputHandle = dataBlock.outputValue(
mlEulerToExpmap.expmapElement[i])
outputHandle.setDouble(ln[i])
dataBlock.setClean(plug)
def get_local_matrix(self, node, invertJointOrient=False):
local_mx = cmds.xform(node, m=1, q=1)
#ignore code below for now - that code will take joint orient into account
return local_mx
if invertJointOrient:
# if it's a joint, lets remove the joint orient from the local matrix
if cmds.nodeType(node) == "joint":
selList = api.MGlobal.getSelectionListByName(node)
dagPath = selList.getDagPath(0)
parentMatrix = dagPath.exclusiveMatrix()
worldMatrix = dagPath.inclusiveMatrix()
jointOrient = cmds.getAttr(node + ".jointOrient")[0]
x = math.radians(jointOrient[0])
y = math.radians(jointOrient[1])
z = math.radians(jointOrient[2])
joEuler = api.MEulerRotation(x, y, z)
joMatrix = joEuler.asMatrix()
localMatrix = worldMatrix * parentMatrix.inverse()
orientLocalMatrix = localMatrix * joMatrix.inverse()
# combine the orient local matrix and the translation which shouldn't be changed based on the orientation
for i in range(12):
localMatrix[i] = orientLocalMatrix[i]
# set the local matrix to this
local_mx = localMatrix
return local_mx
def _mirror_rotation(parent_matrix, m_parent_matrix, rot):
"""this mirrors the rotation"""
driver_mat_fn = api.MTransformationMatrix(api.MMatrix.kIdentity)
# set the values to radians
rot[0] = math.radians(rot[0])
rot[1] = math.radians(rot[1])
rot[2] = math.radians(rot[2])
euler = api.MEulerRotation(rot[0], rot[1], rot[2])
driver_mat_fn.setRotation(euler)
driver_matrix = driver_mat_fn.asMatrix()
world_matrix = driver_matrix * parent_matrix
rot_matrix = parent_matrix.inverse() * world_matrix
rot_matrix_fn = api.MTransformationMatrix(rot_matrix)
rot = rot_matrix_fn.rotation(asQuaternion=True)
rot.x = rot.x * -1.0
rot.w = rot.w * -1.0
rot_matrix = rot.asMatrix()
final_rot_matrix = m_parent_matrix * rot_matrix * m_parent_matrix.inverse()
rot_matrix_fn = api.MTransformationMatrix(final_rot_matrix)
rot = rot_matrix_fn.rotation(asQuaternion=False)
m_rot = api.MVector()
m_rot[0] = math.degrees(rot[0])
m_rot[1] = math.degrees(rot[1])
m_rot[2] = math.degrees(rot[2])
return m_rot
def usdSceneItemRotation(item):
prim = usdUtils.getPrimFromSceneItem(item)
if not prim.HasAttribute('xformOp:rotateXYZ'):
return proxyShapeXformFn.rotation(om.MSpace.kTransform)
else:
x,y,z = prim.GetAttribute('xformOp:rotateXYZ').Get()
return proxyShapeXformFn.rotation(om.MSpace.kTransform) + om.MEulerRotation(radians(x), radians(y), radians(z))
def compute(self, plug, dataBlock):
if plug is not self.rotate and plug not in self.eulerAngles:
return
rv = [0.0, 0.0, 0.0]
for i in xrange(0, 3):
inputHandle = dataBlock.inputValue(
mlExpmapToEuler.expmapElement[i])
rv[i] = inputHandle.asDouble()
orderHandle = dataBlock.inputValue(mlExpmapToEuler.rotateOrder)
exHandle = dataBlock.outputValue(mlExpmapToEuler.eulerAngles[0])
eyHandle = dataBlock.outputValue(mlExpmapToEuler.eulerAngles[1])
ezHandle = dataBlock.outputValue(mlExpmapToEuler.eulerAngles[2])
mag = math.sqrt(rv[0] * rv[0] + rv[1] * rv[1] + rv[2] * rv[2])
if math.fabs(mag) < 1.0e-6:
sina = 0
else:
sina = math.sin(mag) / mag
quat = OpenMaya.MQuaternion(rv[0] * sina, rv[1] * sina, rv[2] * sina,
math.cos(mag))
order = orderHandle.asInt()
euler = OpenMaya.MEulerRotation(0, 0, 0, order)
euler *= quat
exHandle.setDouble(euler.x)
eyHandle.setDouble(euler.y)
ezHandle.setDouble(euler.z)
dataBlock.setClean(plug)
def flip_euler(euler, rotation_order):
"""Resolve flipping rotations in cases where flipping occurs on multiple
different channels; middle rotations are offloaded to outer rotations.
Args:
euler(OpenMaya.MEulerRotation): rrotation to adjust for flipping.
rotation_order(str): order in which channels are rotated eg. xyz.
Returns:
euler(OpenMaya.MEulerRotation): rotation adjusted for flipping channels.
"""
result = OpenMaya.MEulerRotation()
inner_axis = rotation_order[0]
middle_axis = rotation_order[1]
outer_axis = rotation_order[2]
inner_value = getattr(euler, inner_axis) + math.pi
setattr(result, inner_axis, inner_value)
outer_value = getattr(euler, outer_axis) + math.pi
setattr(result, outer_axis, outer_value)
middle_value = getattr(euler, middle_axis) * -1 + math.pi
setattr(result, middle_axis, middle_value)
return result
def _getLocalTransform(self):
node = self.thisMObject()
transformPlug = om.MPlug(node, self.transformAttr)
transform = om.MFnMatrixData(transformPlug.asMObject()).matrix()
mat = om.MTransformationMatrix(transform)
# Apply local translation.
localTranslatePlug = om.MPlug(node, self.localTranslateAttr)
localTranslation = om.MVector(
*[localTranslatePlug.child(idx).asFloat() for idx in range(3)])
mat.translateBy(localTranslation, om.MSpace.kObject)
# Apply local rotation.
localRotatePlug = om.MPlug(node, self.localRotateAttr)
localRotatePlugs = [localRotatePlug.child(idx) for idx in range(3)]
localRotate = om.MVector(
*
[localRotatePlugs[idx].asMAngle().asRadians() for idx in range(3)])
mat.rotateBy(om.MEulerRotation(localRotate), om.MSpace.kObject)
# Apply local scale.
scalePlug = om.MPlug(node, self.localScaleAttr)
scale = om.MFnNumericData(scalePlug.asMObject()).getData()
mat.scaleBy(scale, om.MSpace.kObject)
return mat.asMatrix()
def aimNode(node,target, myAimAxis=[1,0,0], myUpAxis=[0,1,0], myUpDir=[0,0,1]):
"""rotate a transform to aim a target point
Args:
node (str): transform node name
target (list): world space point expresed as [float, float, float]
myAimAxis (list, optional): the axis that point to the target. Defaults to [1,0,0].
myUpAxis (list, optional): the axis up to stabilize the rotation. Defaults to [0,1,0].
myUpDir (list, optional): [description]. Defaults to [0,0,1].
"""
selList = om.MSelectionList()
selList.add(node)
mdpThis = selList.getDagPath(0)
mpTarget=om.MPoint(target)
mmMatrix = mdpThis.inclusiveMatrix();
mmMatrixInverse = mmMatrix.inverse();
mpTargetInThisSpace=om.MPoint(mpTarget * mmMatrixInverse);
mqToTarget=om.MQuaternion (om.MVector(myAimAxis).rotateTo(om.MVector(mpTargetInThisSpace)));
# Apply that rotation to this node:
mftThis=om.MFnTransform (mdpThis.transform());
mftThis.rotateBy(mqToTarget, om.MSpace.kPreTransform);
mmMatrix = mdpThis.inclusiveMatrix();
mmMatrixInverse = mmMatrix.inverse();
mvUp=om.MVector(myUpDir)
mpWorldUpInThisSpace=om.MPoint (mvUp * mmMatrixInverse);
# Get the quaternion that describes the rotation to make the local up vector point to the world up vector:
mqToWorldUp=om.MQuaternion (om.MVector(om.MVector(myUpAxis)).rotateTo(om.MVector(mpWorldUpInThisSpace)));
merToWorldUp=om.MEulerRotation (mqToWorldUp.asEulerRotation());
merToWorldUp.y = 0.0;
merToWorldUp.z = 0.0;
# Apply that rotation to this node:
mftThis.rotateBy(merToWorldUp, om.MSpace.kPreTransform);
def _assume_t_pose(self, segment):
transformFn = self._segments[int(segment["@ID"])]["transformFn"]
if self._up_axis == "y":
translation = om.MVector(
-float(segment["Position"]["@X"]) * self._unit_conversion,
float(segment["Position"]["@Z"]) * self._unit_conversion,
float(segment["Position"]["@Y"]) * self._unit_conversion,
)
else:
translation = om.MVector(
float(segment["Position"]["@X"]) * self._unit_conversion,
float(segment["Position"]["@Y"]) * self._unit_conversion,
float(segment["Position"]["@Z"]) * self._unit_conversion,
)
transformFn.setTranslation(translation, om.MSpace.kTransform)
transformFn.setRotation(
om.MEulerRotation(
float(segment["Rotation"]["@X"]),
float(segment["Rotation"]["@Y"]),
float(segment["Rotation"]["@Z"]),
om.MEulerRotation.kXYZ,
),
om.MSpace.kTransform,
)
def angleCompute( self , axeDir , oTrs , baseTrs , trs ):
axeDirSkip = [ [ 0 , 1 , 1 ] , [ 1 , 0 , 1 ] , [ 1 , 1 , 0 ] ]
# vINIT
way = 1
if( 2 < axeDir ):
axeDir -= 3
way = -1
vBaseInitValue = [0,0,0]
vBaseInitValue[axeDir] = way
vBaseInit = ompy.MVector( vBaseInitValue[0] , vBaseInitValue[1] , vBaseInitValue[2] )
# INVERSE ROTATION ORIGINE
eulerInit = ompy.MEulerRotation( math.radians(oTrs[3]) , math.radians(oTrs[4]) , math.radians(oTrs[5]) )
eulerInit.invertIt()
# vTARGET
vTarget = ompy.MVector( trs[0] - oTrs[0] , trs[1] - oTrs[1] , trs[2] - oTrs[2] )
vTarget = vTarget.rotateBy(eulerInit)
# ANGLE BASE TARGET
rotQuat = ompy.MQuaternion( vBaseInit , vTarget )
rotEuler = rotQuat.asEulerRotation()
# ANGLE SKIP AXE
angleOut = [ rotEuler.x * axeDirSkip[axeDir][0] , rotEuler.y * axeDirSkip[axeDir][1] , rotEuler.z * axeDirSkip[axeDir][2] ]
# ANGLE OUT
angleOut = [ math.degrees(angleOut[0]) , math.degrees(angleOut[1]) , math.degrees(angleOut[2]) ]
return angleOut
def change(self, diff):
if self.originalRotation is None:
return
if self.index == 0:
diffRotation = om.MEulerRotation(diff, 0, 0)
elif self.index == 1:
diffRotation = om.MEulerRotation(0, diff, 0)
elif self.index == 2:
diffRotation = om.MEulerRotation(0, 0, diff)
else:
diffRotation = om.MEulerRotation(0, 0, 0)
self.newRotation = self.originalRotation + diffRotation
objectXform = om.MFnTransform(self.dagPath)
objectXform.setRotation(self.newRotation, om.MSpace.kTransform)
def asEuler(rotation):
"""Converts tuple(float3) into a MEulerRotation
:param rotation: a tuple of 3 elements in degrees which will be converted to redians for the eulerRotation
:type rotation: tuple(float)
:rtype: MEulerRotation
"""
return om2.MEulerRotation(
[om2.MAngle(i, om2.MAngle.kDegrees).asRadians() for i in rotation])
def getMatrices(node):
nodeName = OpenMaya.MFnDagNode(node).getPath()
r = cmds.getAttr('{0}.r'.format(nodeName))
r = [math.radians(x) for x in r[0]]
ra = cmds.getAttr('{0}.ra'.format(nodeName))
ra = [math.radians(x) for x in ra[0]]
jo = cmds.getAttr('{0}.jo'.format(nodeName))
jo = [math.radians(x) for x in jo[0]]
wm = OpenMaya.MMatrix(cmds.getAttr('{0}.wm'.format(nodeName)))
pm = OpenMaya.MMatrix(cmds.getAttr('{0}.pm'.format(nodeName)))
r = OpenMaya.MEulerRotation(*r).asMatrix() * pm
ra = OpenMaya.MEulerRotation(*ra).asMatrix() * pm
jo = OpenMaya.MEulerRotation(*jo).asMatrix() * pm
return wm, r, ra, jo
def set_rotation(self, x, y, z):
"""Set the absolute rotation of the curve shape in euler rotations.
:param x: Rotate X
:param y: Rotate Y
:param z: Rotate Z
"""
x, y, z = [v * 0.0174533 for v in [x, y, z]]
self.transform_matrix.setRotation(OpenMaya.MEulerRotation(x, y, z))
def rotate_by(self, x, y, z, local=True):
"""Rotate the curve cvs by the given euler rotation values
:param x: Rotate X
:param y: Rotate Y
:param z: Rotate Z
:param local: True for local space, False for world
"""
x, y, z = [v * 0.0174533 for v in [x, y, z]]
space = OpenMaya.MSpace.kObject if local else OpenMaya.MSpace.kWorld
self.transform_matrix.rotateBy(OpenMaya.MEulerRotation(x, y, z), space)
def setMayaRotation(aMayaItem, r):
'''Set the rotation (XYZ) on the argument Maya scene item.'''
aMayaPath = aMayaItem.path()
aMayaPathStr = ufe.PathString.string(aMayaPath)
aDagPath = om.MSelectionList().add(aMayaPathStr).getDagPath(0)
aFn = om.MFnTransform(aDagPath)
rads = [radians(v) for v in r]
rot = om.MEulerRotation(rads[0], rads[1], rads[2])
aFn.setRotation(rot, om.MSpace.kTransform)
return (aMayaPath, aMayaPathStr, aFn, aFn.transformation().asMatrix())
def euler_to_quat(eulers, transforms):
"""Convert a list of eulers to quaternions
:param eulers: List of tuples or lists of length 3
:param transforms: List of transforms per rotation
:return: List of quaternions
"""
quats = []
for i, v in enumerate(eulers):
rotate_order = cmds.getAttr("{}.ro".format(transforms[i]))
r = [math.radians(x) for x in v]
euler = OpenMaya.MEulerRotation(r[0], r[1], r[2], rotate_order)
q = euler.asQuaternion()
if cmds.nodeType(transforms[i]) == "joint":
jo = cmds.getAttr("{}.jo".format(transforms[i]))[0]
jo = [math.radians(x) for x in jo]
jo = OpenMaya.MEulerRotation(jo[0], jo[1], jo[2])
q *= jo.asQuaternion()
quats.append([q.x, q.y, q.z, q.w])
return quats
def mirrorJoint(node, parent, translate, rotate):
nFn = om2.MFnDependencyNode(node)
rotateOrder = nFn.findPlug("rotateOrder", False).asInt()
transMatRotateOrder = generic.intToMTransformRotationOrder(rotateOrder)
translation, rotMatrix = mirrorTransform(node, parent, translate, rotate) # MVector, MMatrix
jointOrder = om2.MEulerRotation(plugs.getPlugValue(nFn.findPlug("jointOrient", False)))
# deal with joint orient
jo = om2.MTransformationMatrix().setRotation(jointOrder).asMatrixInverse()
# applyRotation and translation
rot = mayamath.toEulerFactory(rotMatrix * jo, transMatRotateOrder)
setRotation(node, rot)
setTranslation(node, translation)
def toEulerZYX(rotMatrix, degrees=False):
rotZX = rotMatrix[8]
y = math.asin(rotZX)
cosY = math.cos(y)
x = math.atan2(-rotMatrix[9] * cosY, rotMatrix[10] * cosY)
z = math.atan2(-rotMatrix[4] * cosY, rotMatrix[0] * cosY)
angles = x, y, z
if degrees:
return map(math.degrees, angles)
return om2.MEulerRotation(angles)
def toEulerZXY(rotMatrix, degrees=False):
rotZY = rotMatrix[9]
x = -math.asin(rotZY)
cosX = math.cos(x)
z = math.atan2(rotMatrix[1] * cosX, rotMatrix[5] * cosX)
y = math.atan2(rotMatrix[8] * cosX, rotMatrix[10] * cosX)
angles = x, y, z
if degrees:
return map(math.degrees, angles)
return om2.MEulerRotation(angles)
def toEulerYZX(rotMatrix, degrees=False):
rotYX = rotMatrix[4]
z = -math.asin(rotYX)
cosZ = math.cos(z)
x = math.atan2(rotMatrix[6] * cosZ, rotMatrix[5] * cosZ)
y = math.atan2(rotMatrix[8] * cosZ, rotMatrix[0] * cosZ)
angles = x, y, z
if degrees:
return map(math.degrees, angles)
return om2.MEulerRotation(angles)
def toEulerYXZ(rotMatrix, degrees=False):
rotZ = rotMatrix[6]
x = math.asin(rotZ)
cosX = math.cos(x)
y = math.atan2(-rotMatrix[2] * cosX, rotMatrix[10] * cosX)
z = math.atan2(-rotMatrix[4] * cosX, rotMatrix[5] * cosX)
angles = x, y, z
if degrees:
return map(math.degrees, angles)
return om2.MEulerRotation(angles)
def toEulerXZY(rotMatrix, degrees=False):
rotYY = rotMatrix[1]
z = math.asin(rotYY)
cosZ = math.cos(z)
x = math.atan2(-rotMatrix[9] * cosZ, rotMatrix[5] * cosZ)
y = math.atan2(-rotMatrix[2] * cosZ, rotMatrix[0] * cosZ)
angles = x, y, z
if degrees:
return map(math.degrees, angles)
return om2.MEulerRotation(angles)
def test_create_twist_composition_at_p5_non_inverted(self):
st.create_swing_twist(self.start_joint,
self.twist_joint,
twist_weight=0.5)
cmds.setAttr("{}.rx".format(self.start_joint), 45)
m = self.local_matrix()
tm = OpenMaya.MTransformationMatrix()
tm.rotateBy(
OpenMaya.MEulerRotation(math.radians(22.5), 0, 0),
OpenMaya.MSpace.kTransform,
)
tm.translateBy(OpenMaya.MVector(self.tx, 0, 0),
OpenMaya.MSpace.kTransform)
self.assertListAlmostEqual(m, tm.asMatrix())
def apply_euler_filter_to_transformed_data(transformed_data,
frames,
rotation_order='xyz'):
"""Apply filter to fix channel flipping on euler rotations.
This function changes the values of the given transformed_data dictionary.
Args:
transformed_data(dict): data off all transforms along given frames.
frames(list): list of frames to iterate, in ascending order.
rotation_order(str): rotation order of the object to apply filter on.
"""
euler_data = {}
for frame in frames:
if (frame - 1) not in transformed_data:
continue
current_rotation = transformed_data[frame]['r']
previous_rotation = transformed_data[frame - 1]['r']
# apply basic flipping filter for 180 degree flips on one channel
new_rotation = OpenMaya.MEulerRotation()
new_rotation.x = account_for_flip(previous_rotation.x,
current_rotation.x)
new_rotation.y = account_for_flip(previous_rotation.y,
current_rotation.y)
new_rotation.z = account_for_flip(previous_rotation.z,
current_rotation.z)
# apply flipping filter for multi channel flipping
result_rotation = flip_euler(new_rotation, rotation_order)
result_rotation.x = account_for_flip(previous_rotation.x,
result_rotation.x)
result_rotation.y = account_for_flip(previous_rotation.y,
result_rotation.y)
result_rotation.z = account_for_flip(previous_rotation.z,
result_rotation.z)
# apply the filter based on which value has a smaller distance
# from the original rotation.
new_rotation_distance = euler_rotation_distance(
previous_rotation, new_rotation)
result_rotation_distance = euler_rotation_distance(
previous_rotation, result_rotation)
if result_rotation_distance < new_rotation_distance:
new_rotation = result_rotation
transformed_data[frame]['r'] = new_rotation
def setRotation(self, vector, radians = False): """ Set rotation. Set radians = True to set it in randians. Parameters: vector (Tuple(x,y,z) or MVector) space (Space.CONSTANT) Default Space.WORLD: Space.LOCAL, Space.WORLD, SpaceTRANSFORM""" if radians == False: rotation = self.vectorDegreesToRadians(vector) eulerAngle = om.MEulerRotation(rotation, RotOrder.XYZ) self._fnTransform.setRotation(eulerAngle.asQuaternion(), Space.WORLD)
def runMultiSelectTestRotate(self, items, expected):
'''Engine method to run multiple selection rotate test.'''
# Save the initial positions to the memento list.
self.multiSelectSnapShotAndTest(items, expected)
# Do some rotate commands, and compare with expected.
for x, y, z in [[10, 20, 30], [-30, -20, -10]]:
cmds.rotate(x, y, z, relative=True, objectSpace=True, forceOrderXYZ=True) # Just as in default rotations by manipulator
expected = multiSelectAddRotations(expected, om.MEulerRotation(radians(x), radians(y), radians(z)))
self.multiSelectSnapShotAndTest(items, expected)
# Test undo, redo.
self.multiSelectRewindMemento(items)
self.multiSelectFforwardMemento(items)