Actionscript:
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[SWF(width=800, height=600)]
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var dupes:int = 5
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var pntNum:int = 180;
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var hh:Number = stage.stageHeight / 2;
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var points:Vector.<Number> = new Vector.<Number>();
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var vel:Vector.<Number> = new Vector.<Number>();
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var cmds:Vector.<int> = new Vector.<int>();
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var vectors:Vector.<Shape> = new Vector.<Shape>();
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for (var i:int = 0; i<dupes; i++){
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vectors[i] = Shape(addChildAt(new Shape(),0));
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vectors[i].x = 10 * i;
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vectors[i].y = -10 * i;
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}
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var index:int = 0;
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for (i = 0; i<pntNum; i++){
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points[index++] = 10 + i * 4;
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points[index++] = hh;
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cmds[i] = 2;
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vel[i] = 0;
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}
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cmds[0] = 1;
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addEventListener(Event.ENTER_FRAME, onLoop);
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function onLoop(evt:Event):void {
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index = 1;
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points[index] += (mouseY - points[index]) / 12;
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for (var i:int = 3; i<points.length; i+=2){
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points[i] += vel[index];
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vel[index] += ((points[i] - points[i - 2]) * -0.16 - vel[index]) / 4;
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index++;
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}
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for (i = 0; i<dupes; i++){
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var c:uint = 255 - 255 / i;
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with (vectors[i].graphics){
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clear();
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lineStyle(0,c <<16 | c <<8 | c);
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drawPath(cmds, points);
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}
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}
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}
This snippet uses elasticity to create an interesting wave effect. I first stumbled upon this technique back in my director days...
Have a look at the swf here...
