I don't really know if this is it or not, but did you want to use the
geometry iterator? Right now your loop is performing the same actions every
time for the length of the count. Also I am not sure where your "component"
variable comes from. But:
while not geo2.isDone():
...
skin2.setWeights(skinPath2, geo2.currentItem(), ind, newWgt, nor,
oldWgt)
geo2.next()
Does that help at all? I didn't read too much into what the code all does.
Just noticed this part.
On Wed, Jun 20, 2012 at 12:41 PM, Serena Xu <[email protected]> wrote:
> I'm trying to set all the weights on a skinned mesh to the same array
> of values. When I run this script it doesn't change the weights.
> Please let me know what my mistake is. Thank you!
>
> import maya.OpenMaya as om
> import maya.cmds as cmds
> import maya.OpenMayaAnim as oma
>
> om.MGlobal.clearSelectionList()
> om.MGlobal.selectByName('skinCluster2')
>
> sList = om.MSelectionList()
> om.MGlobal.getActiveSelectionList(sList)
> node2 = om.MObject()
> sList.getDependNode( 0, node2)
>
> skin2 = oma.MFnSkinCluster(node2)
> skinPath2 = om.MDagPath()
> index2 = 0
> skin2.indexForOutputConnection(index2)
> skin2.getPathAtIndex(index2,skinPath2)
>
> geo2 = om.MItGeometry(skinPath2)
> vertices = geo2.count()
>
> for i in range(0, vertices):
> ind = om.MIntArray()
> nor = False
> point = geo2.position(om.MSpace.kWorld)
> doubleArray = om.MScriptUtil()
> doubleArray.createFromList([0.4, 0.2, 0.1, 0.3], 4)
> oldWgt = om.MDoubleArray()
> newWgt = om.MDoubleArray(doubleArray.asDoublePtr(), 0)
> print oldWgt
> skin2.setWeights(skinPath2, component, ind, newWgt, nor, oldWgt)
>
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