Hey Guys, I am a bit stuck trying to create driven (unitless) animCurves with
OpenMaya
I am in maya 2017, using OpenMaya api 2.0
I am trying to use MFnAnimCurve to create multiple keyframes at the same time.
this seems to work when using timed curve types (using MTimeArray as first
argument) but it fails when using unitless curves and a MDoubleArray for the
first argument.. Am I missing something? should i be using a different type for
the first argument?
import maya.api.OpenMaya as om
import maya.api.OpenMayaAnim as oma
graph_modifier = om.MDGModifier()
m_object = om.MFnDependencyNode().create('transform', 'locator1')
node = om.MFnDependencyNode(m_object)
m_plug = node.findPlug(node.attribute('translateX'), True)
out_plug = node.findPlug(node.attribute('translateY'), True)
mfn_anim_curve = oma.MFnAnimCurve()
curve_type = mfn_anim_curve.unitlessAnimCurveTypeForPlug(m_plug)
#curve_type = mfn_anim_curve.timedAnimCurveTypeForPlug(m_plug)
anim_curve_m_object = oma.MFnAnimCurve().create(m_plug,
animCurveType=curve_type)
anim_curve = oma.MFnAnimCurve(anim_curve_m_object)
in_plug = anim_curve.findPlug(anim_curve.attribute('input'), True)
graph_modifier.connect(out_plug, in_plug)
graph_modifier.doIt()
in_values = om.MDoubleArray()
out_values = om.MDoubleArray()
for x in range(5):
in_values.append(float(x))
for x in range(5):
out_values.append(float(x))
print in_values, out_values
anim_curve.addKey(1.0, 1.0)
anim_curve.addKey(2.0, 2.0)
#This Fails
anim_curve.addKeys(in_values, out_values)
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