v2dfi.keyValue = [ [318.0, 8.0], [656.0, 8.0], [318.0, 8.0] ]
interp = anim.getChild(animIndex)
newKey = []
newKeyValue = []
for i = 0 to interp.key.Count() - 1
newKey.Push(interp.key[i])
newKeyValue.Push(interp.keyValue[i])
'alter values here if needed'
end for
interp.key = newKey
interp.keyValue = newKeyValue