FLASH 大量movieClip被產生，顯示效能提升的撇步

心得筆記 2008/07/25 02:54
下面這段語法會產生10000個MC在contentMc裡面
var idx=0;
while(idx<10000){
var myPixel:MovieClip = contentMc.attachMovie("smallheart", "smallheart"+idx, idx+10);
idx++
}

若你讓FLASH產生了10000個MC，還想做別的特效，你可能要去跟NASA借電腦

但FLASH為MovieClip 提供了一個超棒的屬性，MovieClip.cacheAsBitmap
若這個屬性設成true，你會發現就算產生了一堆MC，FLASH的繪圖速度(動畫效果)還是很快，就是MASO大師之前提到的：點陣繪圖比向量快
這應該是個很棒的例子～
所以依照上面的例子，你覺得應該改成myPixel.cacheAsBitmap=true的效能好還是contentMc.cacheAsBitmap=true的效能好哩？

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