以下为flash落花效果的as3代码，如要欣赏FLASH动画效果请见本文底部的动画演示。
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function flower():Sprite { var mc:Sprite=new Sprite(); var color:uint=Math.random()*0x88ffff+0x880000; var num:int=int(Math.random()*9+1); var i:int=0; while (i++<num) { var huaBan:Shape=new Shape(); huaBan.graphics.beginGradientFill(GradientType.RADIAL,[0xffffff,color],[0.6,1],[0,255]); huaBan.graphics.moveTo(0,0); huaBan.graphics.curveTo(30,-45,0,-50); huaBan.graphics.curveTo(-30,-45,0,0); huaBan.rotation=360/num*i; mc.addChild(huaBan); } return mc; } //画花函数//www.111cn.net var mcNum:int=50;//花的数量 var mcArr:Array=[];//存储花的数组 var vxArr:Array=[];//x速度数组 var vyArr:Array=[];//y速度数组 var vrArr:Array=[];//旋转速度数组 var clickCount:int=0;//点击次数 for (var i:int=0; i<mcNum; i++) { var mc:Sprite=flower(); addChild(mc); mc.scaleX=mc.scaleY=0.2+Math.random()*0.5; mc.x=Math.random()*stage.stageWidth; mc.y=-Math.random()*stage.stageHeight; vxArr.push(Math.random()*2-1); vyArr.push(Math.random()*2+2); vrArr.push(Math.random()*4-2); mcArr.push(mc); } addEventListener(Event.ENTER_FRAME,frame); function frame(e:Event):void { for (i=0; i<mcNum; i++) { mcArr[i].x+=vxArr[i]; mcArr[i].y+=vyArr[i]; mcArr[i].rotation+=vrArr[i]; if (mcArr[i].y>stage.stageHeight+mcArr[i].width/2) { mcArr[i].x=Math.random()*stage.stageWidth; mcArr[i].y=-Math.random()*stage.stageHeight; } } } stage.addEventListener(MouseEvent.CLICK,onClick); function onClick(e:MouseEvent):void { if (clickCount++%2==0) { removeEventListener(Event.ENTER_FRAME,frame); } else { addEventListener(Event.ENTER_FRAME,frame); } } |
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时间： 2024-11-03 21:51:47