使用时请在游戏设置中关闭AA(抗锯齿)

　　29-09-1012 -- version 1.7 beta

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　　- Re-implemented the FPS limiter. It's quite exact now and also performed at a better point in time

　　(before presenting the frame)

　　- Made frame period calculation (for animation) slightly more exact

　　- Added FPS thresholding for SMAA