/**
* Copyright J.J ( http://wonderfl.net/user/J.J )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/fo9A
*/
package {
import flash.system.LoaderContext;
import flash.display.BitmapData;
import flash.net.URLRequest;
import flash.display.Loader;
import flash.display3D.textures.Texture;
import flash.display3D.Context3DTextureFormat;
import flash.display.Bitmap;
import flash.display3D.Program3D;
import flash.display3D.Context3DProgramType;
import com.adobe.utils.AGALMiniAssembler;
import flash.display3D.VertexBuffer3D;
import flash.display3D.IndexBuffer3D;
import flash.display3D.Context3D;
import flash.display.Stage3D;
import flash.events.Event;
import flash.display.Sprite;
/**
* @author javid jafari
*/
public class Invert extends Sprite {
private var img_src : Bitmap
private var c3d : Context3D;
private var w : int;
private var h : int;
private var vertices : Vector.<Number>;
private var indxBuffer : IndexBuffer3D;
private var vrtxBuffer : VertexBuffer3D;
private var tex : Texture;
private var level : int;
public function Invert() {
if(stage) inits()
else addEventListener(Event.ADDED_TO_STAGE, inits)
}
private function inits(event : Event=null) : void {
var loader:Loader=new Loader()
loader.load(new URLRequest('http://www.bongiovi.tw/wonderfl/rock.jpg'),new LoaderContext(true))
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoaded)
//onLoaded(null)
}
private function onLoaded(event : Event) : void {
img_src=event.target.content as Bitmap
// img_src.bitmapData=new BitmapData(256,256,false,0)
// img_src.bitmapData.noise(.5,0,255)
stage.stage3Ds[0].addEventListener(Event.CONTEXT3D_CREATE, CreatedC3d)
stage.stage3Ds[0].requestContext3D()
}
private function CreatedC3d(event : Event) : void {
w=stage.stageWidth,h=stage.stageHeight
var s3d:Stage3D=event.target as Stage3D
c3d=s3d.context3D
c3d.configureBackBuffer(w, h, 1)
var o:Number=1
var offs:Number=1
vertices=Vector.<Number>([
-o,o,0, 0,0, offs,
o,o,0, 1,0, offs,
o,-o,0, 1,1, offs,
-o,-o,0, 0,1, offs,
])
indxBuffer=c3d.createIndexBuffer(6)
indxBuffer.uploadFromVector(Vector.<uint>([0,1,2,0,2,3]), 0, 6)
vrtxBuffer=c3d.createVertexBuffer(4, 6)
vrtxBuffer.uploadFromVector(vertices,0,4)
var bmp:Bitmap=img_src
tex=c3d.createTexture(256, 256, Context3DTextureFormat.BGRA, false)
tex.uploadFromBitmapData(bmp.bitmapData)
var vertexAssembler:AGALMiniAssembler=new AGALMiniAssembler()
vertexAssembler.assemble(Context3DProgramType.VERTEX,
'mov op, va0\n'+
'mov v0, va1\n'+
'mov v1, va2\n'
)
var fragmentAssembler:AGALMiniAssembler=new AGALMiniAssembler()
fragmentAssembler.assemble(Context3DProgramType.FRAGMENT,
'tex ft0, v0, fs0 <2d,linear,nomip>\n'+
'sub ft1.x, v1.x, ft0.x\n'+
'sub ft1.y, v1.x, ft0.y\n'+
'sub ft1.z, v1.x, ft0.z\n'+
'mov ft0.x, ft1.x\n'+
'mov ft0.y, ft1.y\n'+
'mov ft0.z, ft1.z\n'+
'mov oc, ft0\n')
var p3d:Program3D=c3d.createProgram()
p3d.upload(vertexAssembler.agalcode, fragmentAssembler.agalcode)
//set data
c3d.setVertexBufferAt(0, vrtxBuffer,0,'float3')
c3d.setVertexBufferAt(1, vrtxBuffer,3,'float2')
c3d.setVertexBufferAt(2, vrtxBuffer,5,'float1')
c3d.setTextureAt(0, tex)
c3d.setProgram(p3d)
addEventListener(Event.ENTER_FRAME, loop)
}
private function loop(event : Event) : void {
c3d.clear()
c3d.drawTriangles(indxBuffer)
c3d.present()
}
}
}
