no stage references
/**
* Copyright aobyrne ( http://wonderfl.net/user/aobyrne )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/1QBp
*/
// forked from aobyrne's forked from: forked from: Old Skool [Optimised] no stage references
// forked from Hasufel's Old Skool [Optimised]
// forked from devon_o's Old Skool
//@Hasufel 2010
//***********************************************************************************/
package {
import com.adobe.utils.StringUtil;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Graphics;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.KeyboardEvent;
import flash.events.MouseEvent;
import flash.geom.Rectangle;
import flash.system.fscommand;
import flash.text.TextField;
import flash.text.TextFormat;
import flash.utils.ByteArray;
import net.hires.debug.Stats;
import org.libspark.betweenas3.BetweenAS3;
import org.libspark.betweenas3.core.tweens.groups.SerialTween;
[SWF(width='465', height='465', frameRate='45')]
public class OldSkool extends Sprite {
private static const res:int = 512;
private static const _rect:Rectangle = new Rectangle(0,0,res,res);
private const _xres:uint = 512;//256//128
private const _yres:uint = 512;//256//128
private var _input:BitmapData;
private var _output:BitmapData;
private var _lookUpTable:Vector.<uint> = new Vector.<uint>();
private var _inputVector:Vector.<uint> = new Vector.<uint>();
private var _time:uint = 0;
private var _effect:int = 0;
private var _maxEffects:int = 51; //you should add more, your imagination is the limit!
private var _outputVector:Vector.<uint> = new Vector.<uint>();
private var angularSteps:int=60;
private var angle:Number = 2*Math.PI/angularSteps;
private var radius:Number=res*0.5*Math.SQRT2;
private var innerRadius:Number = 25;
private var g:Graphics;
private var iSprite:Sprite;
private var isCartesian:Boolean = true;
private var isIDown:Boolean;
private var dimension:int;
private var gridDimension:int;
private var counter:int;
private var counterPeriod:int =45*1;
private var changesCounter:int;
private var textField:TextField;
private var mapDisplay:TextField;
private var clean:Array;
public function OldSkool() {
if (stage) init(null);
else addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event=null):void {
//fscommand('fullscreen', 'true');
//parseText();
iSprite = Sprite(addChild(new Sprite));
removeChild(iSprite);
g = iSprite.graphics;
gridDimension = 32;
dimension = 16;
setInput();
removeEventListener(Event.ADDED_TO_STAGE, init);
//stage.scaleMode = StageScaleMode.NO_SCALE;
//stage.align = StageAlign.TOP_LEFT;
this.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
this.addEventListener(KeyboardEvent.KEY_UP, onKeyUp);
_output = new BitmapData(_xres, _yres, false, 0x000000);
var bmp:Bitmap = new Bitmap(_output);
bmp.width = bmp.height = 512;
addChild(bmp);
addChild(new Stats());
createLUT();
addEventListener(Event.ENTER_FRAME, frameHandler);
this.addEventListener(MouseEvent.CLICK, onClick);
mapDisplay = TextField(addChild(new TextField()));
var textFormat:TextFormat = new TextFormat("Lucida Console",9);
mapDisplay.defaultTextFormat = textFormat;
mapDisplay.width = 300;
mapDisplay.height = 50;
mapDisplay.x = (res*0);
mapDisplay.y = (res ) * 1.0;
mapDisplay.background = true;
mapDisplay.text = 'hello';
mapDisplay.alpha = 1;
mapDisplay.backgroundColor = 0xffffaa;
}
private function cTrace(msg:String):void
{
textField.appendText("\n" + msg);
}
private function setDisplayText():void
{
mapDisplay.text = _effect+'\n'+clean[_effect][0] + '\n' + clean[_effect][1];
}
private function onKeyUp(e:KeyboardEvent):void
{
this.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
}
private function onKeyDown(e:KeyboardEvent):void
{
trace( "OldSkool.onKeyDown > e : " + e );
this.removeEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
switch(e.keyCode)
{
case String('I').charCodeAt():
isIDown = true;
break;
}
}
private function setInput():void
{
var resHalves:int = res >> 1;
g.clear();
g.lineStyle(3, 0);
if (isCartesian)
{
isCartesian = false;
for (var i:int = 0; i <gridDimension; i++)
{
g.moveTo(i * dimension, 0);
g.lineTo(i * dimension, res);
}
g.lineStyle(3,0);
for (i = 0; i <gridDimension; i++)
{
g.moveTo(0 ,i * dimension);
g.lineTo(res,i * dimension);
}
g.beginFill(0xff);
g.drawCircle(resHalves, resHalves, innerRadius);
g.endFill();
}
else
{
isCartesian = true;
g.beginFill(0xff0000);
for (var j:int = 0; j < Math.ceil(res*0.5*Math.SQRT2-innerRadius)/dimension; j++)
{
g.drawCircle(res >> 1, res >> 1, innerRadius + j * dimension);
}
for (var k:int = 0; k < angularSteps; k++)
{
g.moveTo(resHalves+innerRadius * Math.cos(angle*k), resHalves+innerRadius * Math.sin(angle*k));
g.lineTo(resHalves+radius * Math.cos(angle*k), resHalves+radius * Math.sin(angle*k));
}
g.endFill();
g.beginFill(0xff);
g.drawCircle(resHalves, resHalves, innerRadius);
g.endFill();
}
var bitmapData:BitmapData = new BitmapData(res, res,true);
bitmapData.draw(iSprite);
_input = bitmapData;
_inputVector = _input.getVector(_rect);
}
private function onClick(e:MouseEvent):void {
if (++_effect > _maxEffects) _effect = 0;
createLUT();
}
private function frameHandler(e:Event):void {
if (isIDown)
{
isIDown = false;;
setInput();
}
counter++;
if (!(counter%counterPeriod) )
{
changesCounter++;
trace( "(counter%counterPeriod) : " + (counter%counterPeriod) );
if (changesCounter%2==0)
{
mapDisplay.text =( counter.toString());
if (++_effect > _maxEffects)
{
_effect = 0;
counter = 0;
}
createLUT();
//setDisplayText();
}
setInput();
}
renderDeformation();
_time += 5;
}
private function renderDeformation():void {
for(var j:uint=0; j < _yres; ++j) {
for (var i:uint = 0; i < _xres; ++i) {
var o:uint = ((j<<9) + i)>>0;//uint((j<<9) + i);//_xres * j +i; //lets stick to 512 (<<9) for now
var u:uint = _lookUpTable[(o<<1)>>0] + _time;//uint(o<<1)] + _time; //cast
var v:uint = _lookUpTable[((o<<1)+1)>>0] + _time;//uint((o<<1) + 1)] + _time;//cast
_outputVector[((j<<9) + i)>>0] = _inputVector[(((v & 511) <<9) + (u & 511))>>0];// _outputVector[uint((j<<9) + i)] = _inputVector[uint(((v & 511)<<9) + (u & 511))]; //never forget casting!
}
}
_output.lock();
_output.setVector(_rect, _outputVector);
_output.unlock();
}
private function createLUT():void {
var k:uint = 0;
for (var j:int = 0; j < _yres; ++j) {
for (var i:int = 0; i < _xres; ++i) {
var xx:Number = -1.0 + 2.0 * i / _xres;
var yy:Number = -1.0 + 2.0 * j / _yres;
var d:Number = Math.sqrt(xx * xx + yy * yy);
var a:Number = Math.atan2(yy, xx);
var r:Number = 1;
// MAGIC FORMULAS!
var u:Number;
var v:Number;
switch(_effect) {
case 0 :
u = Math.cos( a ) / d;
v = Math.sin( a ) / d ;
break;
case 1 :
u = xx * Math.cos(2 * r) - yy * Math.sin(2 * r);
v = yy * Math.cos(2 * r) + xx * Math.sin(2 * r);
break;
case 2 :
u = .5 * a / Math.PI;
v = Math.sin(7 * r);
break;
case 3 :
u = .3 / (r + 0.5 * xx);
v = 3.0 * a / Math.PI;
break;
case 4 :
u = r * Math.cos(a + r);
v = r * Math.sin(a + r);
break;
case 5 :
u = .02 * yy + .03 * Math.cos(a * 3) / r;
v = .02 * xx + .03 * Math.sin(a * 3) / r;
break;
case 6 :
u = 1 / (r + .5 + .5 * Math.sin(5 * a));
v = a * 3 / Math.PI;
break;
case 7 :
u = .1 * xx / (.11 + r * .5);
v = .1 * yy / (.11 + r * .5);
break;
case 8 :
u = .2 / Math.abs(yy);
v = .2 * xx / Math.abs(yy);
break;
case 9 :
u = Math.abs(Math.cos(1.5 * a)/r);
v = .2 +.5 * Math.abs(Math.cos(1.5 * a)/r);
break;
case 10 :
u = .3 / (xx*xx-yy);
v = 1 -.1 * (Math.abs(xx) + Math.abs(1/(xx*xx-yy)));
break;
case 11 :
u = Math.pow(yy,2);
v = Math.pow(xx,2);
break;
case 12 :
u = Math.pow(yy,3);
v = Math.pow(xx,2);
break;
case 13 :
u = Math.sin(yy);
v = Math.cos(xx);
break;
case 14 :
u = r;
v = .2 + .8 * (1.2+ .6 * Math.sin(13 * a))/r;
break;
case 15 :
u = .2 * xx / Math.abs(yy);
v = Math.pow(xx,2);
break;
case 16 :
u = .2 * xx / Math.sin(yy);
v = .2 * xx / Math.sin(yy);
break;
case 17 :
u = .2 * xx / Math.sin(yy);
v = .2 * yy / Math.cos(xx);
break;
case 18 :
u = .2 * xx / Math.tan(yy);
v = .2 * yy / Math.cos(yy);
break;
case 19 :
u = xx / Math.tan(yy) * d;
v = yy / Math.cos(yy) * d;
break;
case 20 :
u = r * xx / Math.tan(yy) * d * Math.sin(a);
v = yy / Math.cos(yy) * d * Math.tan(a);
break;
case 21 :
u = Math.pow(xx,2) * Math.sin(r) * .2 * Math.cos(d);
v = Math.pow(yy,2) * Math.cos(r) * .2 * Math.sin(d);
break;
case 22 :
u = a * (3 * Math.cos(d) - Math.cos(3 * d));
v = a * (3 * Math.sin(d) - Math.sin(3 * d));
break;
case 23 :
u = Math.pow(a,2);
v = Math.pow(d,2);
break;
case 24 :
u = Math.pow(r,2);
v = Math.pow(d,2);
break;
case 25 :
u = Math.pow((a + xx),2);
v = Math.pow((3*a - yy),2);
break;
case 26 :
u = xx * Math.cos(3) * d;
v = yy * Math.sin(3) * d;
break;
case 27 :
u = xx * Math.cos(d);
v = yy * Math.sin(d);
break;
case 28 :
u = Math.pow(Math.pow(a,2) - Math.pow(xx,2),2);
v = Math.pow((Math.pow(xx,2) + (2 * a * yy) - Math.pow(a,2)),2);
break;
case 29 :
u = xx * d - r * Math.sin(d);
v = yy * d - r * Math.cos(d);
break;
case 30 :
u = (a + xx) * Math.cos(d) - yy* Math.cos((a/xx + 1) * d);
v = (a + yy) * Math.sin(d) - xx* Math.sin((a/yy + 1) * d);
break;
case 31 :
u = Math.sqrt(d * Math.PI) * xx;
v = Math.sqrt(r * Math.PI) * yy;
break;
case 32 :
u = xx * (Math.cos(d) + r * Math.sin(d));
v = yy * (Math.sin(d) + r * Math.cos(d));
break;
case 33 :
u = r * (Math.cos(xx) + r * Math.sin(a));
v = r * (Math.sin(yy) + r * Math.cos(a));
break;
case 34 :
u = Math.pow((Math.pow(xx,2) + Math.pow(yy,2) - 2 * a * xx),2);
v = d * (Math.pow(xx,2) + Math.pow(yy,2));
break;
case 36 :
u = Math.sin(r) * Math.pow(yy,2) + d * yy;
v = Math.cos(r) * Math.pow(xx,2) + d * xx;
break;
case 37 :
u = Math.cos( a ) / d;
v = Math.sin( a ) / d * xx;
break;
case 38 :
u = Math.cos( a ) / d - yy;
v = Math.sin( a ) / d * xx;
break;
case 39 :
u = Math.cos( a ) / d - yy;
v = Math.sin( a ) / d - xx;
break;
case 40 :
u = Math.cos( a ) / d * Math.cos(a)*.2;
v = Math.sin( a ) / d * Math.sin(a)*.2;
break;
case 41 :
u = Math.cos( a ) / d * Math.tan(a)*.2;
v = Math.sin( a ) / d * Math.cos(a)*.2;
break;
case 42 :
u = .1 / yy;
v = .1 * xx / Math.abs(yy);
break;
case 43 :
u = Math.PI * .1 / Math.abs(yy) + Math.pow(d * Math.PI,2);
v = .1 * xx / Math.abs(yy);
break;
case 44 :
u = .1 / (Math.abs(yy) + Math.pow(d * Math.PI,2));
v = .1 * xx / Math.abs(yy);
break;
case 45 :
u = Math.cos( a ) / d;
v = 10 * yy / Math.pow(Math.abs(d) * Math.PI, xx * yy * d);
break;
case 46 :
u = 10 * a / Math.PI;
v = .1 * yy / (Math.abs(d) * Math.PI,xx * yy * d);
break;
case 47 :
u = 50 * Math.pow(d, Math.PI);
v = 50 * Math.pow(d, Math.PI);
break;
case 48 :
u = 500 * Math.pow(d, Math.PI);
v = 50 * Math.pow(d, Math.PI);
break;
case 49 :
u = 500 * Math.pow(d, Math.PI);
v = 50 * Math.pow(r, Math.PI);
break;
case 50 :
u = 500 * Math.pow(d, Math.PI);
v = Math.sin( r ) * a;
break;
default :
u = xx / (yy);
v = 1 / (yy);
}
_lookUpTable[(k++)>>0] = (512.0 * u)>>0 & 511;//_lookUpTable[uint(k++)] = uint(512.0 * u) & 511;
_lookUpTable[(k++)>>0] = (512.0 * v)>>0 & 511;//_lookUpTable[uint(k++)] = uint(512.0 * v) & 511;
}
}
}
}
}