Re: [scripting] Adding an FCurve to a Linked Parameter via OM?

[Julien Stiegler <julien.stiegler(at)free.fr>]

You should use Playcontrol.Rate for horizontal scale like this
var PlaybackRate =    GetValue("PlayControl.Rate", null);
anFCurve.AddKey(xValue*PlaybackRate, yValue);

for example :

applyInbetweensProperty("cylinder", 2);

function applyInbetweensProperty(inParentName, nValues)
{
  var inParent = Dictionary.GetObject(inParentName);
  var pset = inParent.AddCustomProperty("DisplayInfo_DrivenKeys");
  var master = pset.AddParameter2( "master", siFloat, 1.0, 0.0, 
nValues,    0.0, nValues, siClassifUnknown, siAnimatable);
  for(var i=0; i<nValues; i++)
  {
     var drivenVar  = pset.AddParameter2( "driven"+i, siFloat, 1.0, 
0.0, 100.0,    0.0, 100.0, siClassifUnknown, siAnimatable);
     SetInbetweenKey(drivenVar.FullName, master.FullName, 
Array(0+i,1+i,2+i), Array(0,1,0))
  }
}

function SetInbetweenKey(drivenParam, drivingParam, xValues, yValues)
{
  var PlaybackRate =    GetValue("PlayControl.Rate", null);
  SetExpr(drivenParam, "l_fcv( "+drivingParam+" )", null);
  var 
L_FCurve=Dictionary.GetObject(drivenParam+".Expression.l_fcv").Source;
  L_FCurve.RemoveKeys();
  for(var i=0; i<xValues.length && i<yValues.length; i++)
  {
     L_FCurve.AddKey(xValues[i]*PlaybackRate, yValues[i]);
  }
}


Julian Johnson wrote:

> Is it possible to add a linked parameter FCurve via the OM? Here's 
> what I'm doing:
>
> import win32com.client
>
> def disp(ob):
>   return win32com.client.Dispatch(ob)
>
> oRoot = Application.ActiveSceneRoot
> oSphere = oRoot.AddGeometry( "sphere", "MeshSurface" )
> oParam = oSphere.Parameters('posx')
> oExpr = disp(oParam.AddExpression('l_fcv(cube.kine.local.posx)'))
> oFCurve = oExpr.Parameters('l_fcv').AddFCurve(20,)
> oFCurve.AddKey(0,0)
> oFCurve.AddKey(10,20)
>
> But the resultant FCurve has no 'understanding' of the horizontal 
> scale it should be using. If you create the curve via commands it 
> seems to work fine. I've tried various different FCurve types but 
> maybe this just isn't possible in the OM?
>
> Julian
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