Actionscript 3 行动脚本3。如何将嵌入MovieClip转换为MovieClip?
我有带MovieClips的HintMenu.swf库:Actionscript 3 行动脚本3。如何将嵌入MovieClip转换为MovieClip?,actionscript-3,flash,Actionscript 3,Flash,我有带MovieClips的HintMenu.swf库: public class PopupMenuItem extends MovieClip { [Embed(source="HintMenu.swf", symbol="ExternalMovie")] private var woodButtonClass:Class; public var activeItemSkin:MovieClip; public function PopupMen
public class PopupMenuItem extends MovieClip {
[Embed(source="HintMenu.swf", symbol="ExternalMovie")]
private var woodButtonClass:Class;
public var activeItemSkin:MovieClip;
public function PopupMenuItem(
activeItemSkin = new woodButtonClass();
)
但在开始时,我收到以下错误:
[Fault] exception, information=TypeError: Error #1034: Type Coercion failed:
cannot convert energy.ui.alts.component.popup::PopupMenuItem_woodButtonClass@a7c0e19 to
flash.display.MovieClip.
我以后要把它当电影剪辑用。有什么解决方案吗?将
用作MovieClip
activeItemSkin = new woodButtonClass() as MovieClip;
您需要确保
woodButtonClass
实际上是一个MovieClip
。如果不是,则activeItemSkin
将为空。实际上,您不能将带有1帧的嵌入MovieClip强制转换为MovieClip。
优化原因Flash IDE将其转换为精灵:
package {
import flash.display.DisplayObjectContainer;
import flash.display.MovieClip;
import flash.display.Sprite;
[SWF(backgroundColor="0x333333")]
public class Test_MultipleSwfEmbed extends Sprite{
[Embed(source="swf/HintMenu.swf", symbol="button1")]
private var oneFrameMovieClip:Class;
[Embed(source="swf/HintMenu.swf", symbol="button2")]
private var twoFramesMovieClip:Class;
public function Test_MultipleSwfEmbed() {
//"is MovieClip" = true, when > 1 frame
traceType(new oneFrameMovieClip()); // false, true, true
traceType(new twoFramesMovieClip()); // true, true, true
}
private function traceType(mc:*):void {
trace(mc is MovieClip, mc is Sprite, mc is DisplayObjectContainer);
}
}
}
可能还需要等到它完全加载