circle-arc.lua

  local t = 700
  local R = (x - toX) * 0.5

  transition.to(starHUD, {
    time       = t,
    x          = x - 2*R,
    rotation   = 360,
    xScale     = 0.2,
    yScale     = 0.2,
    transition = easing.inOutSine
  })

  transition.to(starHUD, {
    time = t * 0.5,
    y = y + R,
    transition = easing.outSine,
    onComplete = function()
      transition.to(starHUD, {
        time = t * 0.5,
        y = y,
        transition=easing.inSine
      })
    end
  })