Author Archives: Zevan

Another Perlin Texture

By Zevan | July 29, 2009

CLICK HERE TO COPY
Actionscript:

var canvas:BitmapData = new BitmapData(1200,1200,false, 0x000000);

addChild(new Bitmap(canvas));

 

scaleX = scaleY = 0.5;

var w:int = canvas.width

var hw:int = w / 2;

var hhw:int = hw / 2;

var size:int = canvas.width * canvas.width;

 

canvas.perlinNoise(hhw,hhw,1,Math.random()*100,false, false, 1, true);

 

for (var i:int = 0; i<size; i++){

    var xp:int = i % w;

    var yp:int = int(i / [...]

Posted in BitmapData, misc, pixel manipulation, setPixel | Tagged , , | 2 Comments

Overexposed Perlin Texture

By Zevan | July 28, 2009

CLICK HERE TO COPY
Actionscript:

var canvas:BitmapData = new BitmapData(1200,1200,false, 0x000000);

addChild(new Bitmap(canvas));

 

scaleX = scaleY = 0.5;

var w:int = canvas.width

var hw:int = w / 2;

var hhw:int = hw / 2;

var size:int = canvas.width * canvas.width;

 

canvas.perlinNoise(hhw,hhw,2,Math.random()*100,false, false, 1, true);

 

for (var i:int = 0; i<size; i++){

    var xp:int = i % w;

    var yp:int = int(i / [...]

Posted in BitmapData, misc, setPixel | Tagged , , | Leave a comment

Spring PerspectiveProjection

By Zevan | July 27, 2009

CLICK HERE TO COPY
Actionscript:

var pointNum:int = 3000;

x = stage.stageWidth / 2;

y = stage.stageHeight / 2;

 

var verts:Vector.<Number>  = new Vector.<Number>();

var tVerts:Vector.<Number> = new Vector.<Number>();

var pVerts:Vector.<Number> = new Vector.<Number>();

var uv:Vector.<Number> = new Vector.<Number>();

var cmds:Vector.<int> = new Vector.<int>();

 

var index:int = 0;

var half:Number = pointNum / 20000;

for (var i:int = 0; i<pointNum; i+=3){

    verts[i] = 0.08 * Math.cos(i [...]

Posted in 3D, Graphics, Video, matrix | Tagged , , | 1 Comment

Quick Pixel Sphere

By Zevan | July 26, 2009

CLICK HERE TO COPY
Actionscript:

var pointNum:int = 20000;

var radius:int = 150;

 

var canvas:BitmapData = new BitmapData(400,400,false, 0x000000);

addChild(new Bitmap(canvas));

var verts:Vector.<Number>  = new Vector.<Number>();

var pVerts:Vector.<Number> = new Vector.<Number>();

var uv:Vector.<Number> = new Vector.<Number>();

 

for (var i:int = 0; i<pointNum; i+=3){

    var xp:Number = Math.random() * 400 - 200;

    var yp:Number = Math.random() * 400 - 200;

    var zp:Number [...]

Posted in 3D, BitmapData, Math, matrix, setPixel | Tagged , , | 4 Comments