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- local backAndForthGenerator = function (ease)
- return function(t, tMax, start, delta)
- if t / tMax < 0.5 then
- return ease(t, tMax * 0.5, start, delta)
- else
- return ease(tMax - t, tMax * 0.5, start, delta)
- end
- end
- end
- display.setStatusBar(display.statusBarHidden)
- local square = display.newRect( 0, 0, 50, 50 )
- local _W, _H = display.contentWidth, display.contentHeight
- square.x = _W * 0.5
- square.y = _H * 0.8
- transition.to(square, {time = 1000, y = 30, transition = backAndForthGenerator(easing.outExpo), iterations = 10})
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