Actionscript:
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[SWF(width=700, height=400, backgroundColor=0x000000, frameRate=30)]
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var points:Array = new Array();
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var index:int = -1;
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function polar(thetaInc:Number, radius:Number):Point{
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index++;
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if (!points[index]) points[index] = 0;
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return Point.polar(radius, points[index] += thetaInc)
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}
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///////////////////////////////////////////////////
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// test it out:
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var canvas:BitmapData = new BitmapData(700, 400, false, 0xFFFFFF);
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addChild(new Bitmap(canvas, "auto", true));
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var p0:Point = new Point(200, 200);
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var p1:Point = new Point(500, 200);
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addEventListener(Event.ENTER_FRAME, onLoop);
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function onLoop(evt:Event):void {
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var rad:Point = polar(.05, 4);
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for (var i:int= 0; i<100; i++){
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// reset index;
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index = -1;
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p0 = p0.add(polar(.025, 2).add(polar(-.05,rad.x)));
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canvas.setPixel(p0.x, p0.y, 0x000000);
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p1 = p1.add(polar(.025, 2).add(polar(-.05,rad.x).add(polar(.1, rad.y))));
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canvas.setPixel(p1.x, p1.y, 0x000000);
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}
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}
This is pretty much the same as yesterdays... I just changed the way I use the polar() function to draw two more shapes:
