Actionscript:
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var squareNum:int = 100;
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// verts defines a single square
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var verts:Vector.<Number> = Vector.<Number>([-20, 0, 0, 20, 0, 0, 20, 0, 40, -20, 0, 40, -20, 0, 0]);
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var cmds:Vector.<int> = Vector.<int>([1,2,2,2,2]);
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var tempVerts:Vector.<Number> = new Vector.<Number>();
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var newVerts:Vector.<Number> = new Vector.<Number>();
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var pVerts:Vector.<Number> = new Vector.<Number>(10 * squareNum);
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var uv:Vector.<Number> = new Vector.<Number>(15 * squareNum);
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var m:Matrix3D = new Matrix3D();
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// duplicate the verts array a bunch of times
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// each time randomly rotating, scaling and translating it
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for (var i:int = 0; i<squareNum; i++){
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m.identity();
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m.appendRotation(Math.random()*360,Vector3D.X_AXIS);
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m.appendRotation(Math.random()*360,Vector3D.Y_AXIS);
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m.appendRotation(Math.random()*360,Vector3D.Z_AXIS);
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var s:Number = Math.random()*2 + .1;
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m.appendScale(s, s, s);
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m.appendTranslation(Math.random()*400 - 200, Math.random()*400 - 200, Math.random()*400 - 200);
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m.transformVectors(verts,tempVerts);
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newVerts = newVerts.concat(tempVerts);
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cmds = cmds.concat(Vector.<int>([1,2,2,2,2]));
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}
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newVerts.fixed = pVerts.fixed = uv.fixed = true;
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var dx:Number = 0, dy:Number = 0;
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addEventListener(Event.ENTER_FRAME, onLoop);
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function onLoop(evt:Event):void {
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dx += (mouseX - dx) / 4;
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dy += (mouseY - dy) / 4;
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m.identity();
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m.appendRotation(dx,Vector3D.Z_AXIS);
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m.appendRotation(dy,Vector3D.X_AXIS);
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m.appendTranslation(stage.stageWidth / 2,stage.stageHeight / 2, 0);
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Utils3D.projectVectors(m, newVerts, pVerts, uv);
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graphics.clear();
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graphics.lineStyle(0,0x000000);
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graphics.drawPath(cmds, pVerts);
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}
This is a demo showing how to use transformVectors() and drawPath() together. It creates 100 wireframe squares in 3D:
2 Comments
That’s brilliant!!! And inspiring…
Thanks dVyper