def create_anim_curve_node_apione(
times,
values,
node_attr=None,
tangent_in_type=OpenMayaAnim1.MFnAnimCurve.kTangentGlobal,
tangent_out_type=OpenMayaAnim1.MFnAnimCurve.kTangentGlobal,
anim_type=OpenMayaAnim1.MFnAnimCurve.kAnimCurveTL,
undo_cache=None):
"""
Create an animCurve using Maya API (one).
:param times: Time values for the animCurve
:type times: list
:param values: Values for the animCurve.
:type values: list
:param node_attr: The 'plug' to connect the animCurve to.
:type node_attr: str
:param tangent_in_type: The "in" tangent type for keyframes.
:type tangent_in_type: maya.OpenMayaAnim.MFnAnimCurve.kTangent*
:param tangent_out_type: The "out" tangent type for keyframes.
:type tangent_out_type: maya.OpenMayaAnim.MFnAnimCurve.kTangent*
:param anim_type: The type of animation curve node.
:type anim_type: maya.OpenMayaAnim.MFnAnimCurve.kAnimCurve*
:param undo_cache: The Maya AnimCurve Undo Cache data structure or
None if no undo is required.
:type undo_cache: maya.OpenMayaAnim.MAnimCurveChange
:return: MFnAnimCurve object attached to a newly created animation curve.
:rtype: maya.OpenMaya.MFnAnimCurve
"""
if not isinstance(times, list):
raise ValueError('times must be a list or sequence type.')
if not isinstance(values, list):
raise ValueError('times must be a list or sequence type.')
if len(times) == 0:
raise ValueError('times must have 1 or more values.')
if len(values) == 0:
raise ValueError('values must have 1 or more values.')
if len(times) != len(values):
raise ValueError('Number of times and values does not match.')
# create anim curve
animfn = OpenMayaAnim1.MFnAnimCurve()
if node_attr is None:
animCurve = animfn.create(anim_type)
else:
# Get the plug to be animated.
dst_plug = node_utils.get_as_plug(node_attr)
objs = OpenMaya1.MObjectArray()
find = OpenMayaAnim1.MAnimUtil.findAnimation(dst_plug, objs)
if find is True and objs.length() > 0:
animfn = OpenMayaAnim1.MFnAnimCurve(objs[0])
else:
animfn = OpenMayaAnim1.MFnAnimCurve()
animfn.create(dst_plug)
# Copy the times into an MTimeArray and the values into an MDoubleArray.
time_array = OpenMaya1.MTimeArray()
value_array = OpenMaya1.MDoubleArray()
for time, value in zip(times, values):
time_array.append(OpenMaya1.MTime(time, OpenMaya1.MTime.uiUnit()))
value_array.append(value)
# force a default undo cache
if not undo_cache:
undo_cache = OpenMayaAnim1.MAnimCurveChange()
# Add the keys to the animCurve.
animfn.addKeys(
time_array,
value_array,
tangent_in_type,
tangent_out_type,
False, # overwrite any keys that get in our way
undo_cache)
return animfn
def pre_import():
if not cmds.pluginInfo('kikoUndoer', q=1, l=1):
cmds.loadPlugin('kikoUndoer', quiet=True)
MayaUndoHelper.anim_curve_change = OpenMayaAnim.MAnimCurveChange()
MayaUndoHelper.dg_modifier = OpenMaya.MDGModifier()
