function calculateStats()
  return { spin=1, zoom=2, rotate=3, dist=4 }
end

function foo:startup()
   self.initialState = calculateStats()
end

function calculateStats()
  return 1, 2, 3, 4
end

function foo:onRenderFrame()
   local spin, zoom, rotate, dist = calculateStats()
end

function foo:startup()
   local spin, zoom, rotate, dist = calculateStats()
   self.initialState = {spin=spin,zoom=zoom,rotate=rotate,dist=dist}
end