Actionscript3 implementation code for detecting collision of two movie clip components

This article introduces how as3 detects the collision of two components.

The following code has been tested by me and is available.

First put two movie clips mc1 and mc2 in the scene

Put the following code in the as panel:

mc1.addEventListener(Event.ENTER_FRAME,MCMoveEvent);
mc2.gotoAndStop(1);
var bmd1 = new BitmapData(mc1.width, mc1.height, true, 0);
bmd1.draw(mc1);
var bmd2 = new BitmapData(mc2.width, mc2.height, true, 0);
bmd2.draw(mc2);
function MCMoveEvent(e:Event):void{ 
mc1.x-=0.5; 
if(bmd1.hitTest(new Point(mc1.x-1, mc1.y), 0x55, bmd2, new Point(mc2.x, mc2.y))){ 
 mc2.gotoAndStop(2); 
 mc1.removeEventListener(Event.ENTER_FRAME,MCMoveEvent); 
}else{ 
 mc2.gotoAndStop(1); 
}
}

Through the above code, you can see that actionscript collision is mainly implemented by the hitTest function. You can write collision in the if condition Business logic operation after success.

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