Код AS3:
/*!*****************************************************************
*
* File created: '30.11.2012 6:10 PM'
*
* Copyright (c) 2012 iodev (i.o.developer@gmail.com)
* All Rights Reserved.
*
* NOTICE: using this code allowed after author approving only.
*
**/
package
{
import com.adobe.utils.*;
import flash.display.*;
import flash.display3D.*;
import flash.display3D.textures.*;
import flash.events.*;
import flash.utils.*;
/**
* @author iodev (i.o.developer[at]gmail.com)
*/
public class Main extends Sprite
{
[Embed(source="flash_logo_alpha.png")]
private static const alphaTextureCl : Class;
public function Main()
{
_init();
}
private var _stage3D : Stage3D;
private var _context3D : Context3D;
private var _vbufA : VertexBuffer3D;
private var _vbufB : VertexBuffer3D;
private var _uvBufCube : VertexBuffer3D;
private var _ibufCube : IndexBuffer3D;
private var _ibufPlane : IndexBuffer3D;
private var _texture : Texture;
private var _shader : Program3D;
private var _bitmap : Bitmap;
private var _bitmapData : BitmapData;
private function _init() : void
{
stage.frameRate = 60.0;
trace(stage.stage3Ds);
_stage3D = stage.stage3Ds[0];
_stage3D.addEventListener(Event.CONTEXT3D_CREATE, _onContext3D);
_stage3D.requestContext3D(Context3DRenderMode.AUTO);
var s:Shape = new Shape();
s.graphics.beginFill(0xFF00FF, 1.0);
s.graphics.drawEllipse(100, 100, 100, 100);
s.graphics.endFill();
s.alpha = 0.5;
addChild(s);
_bitmapData = new BitmapData(512, 512, true, 0x0);
_bitmap = new Bitmap(_bitmapData);
_bitmap.x = 200.0;
_bitmap.y = 100.0;
addChild(_bitmap);
}
private function _onContext3D( e:Event ) : void
{
_context3D = _stage3D.context3D;
_context3D.configureBackBuffer(512, 512, 0, false);
_vbufA = _context3D.createVertexBuffer(8, 7);
_vbufA.uploadFromVector(new <Number>[
// x, y, z, r, g, b, a
-0.5, -0.5, -0.5, 1.0, 0.0, 0.0, 0.0,
+0.5, -0.5, -0.5, 0.0, 1.0, 0.0, 1.0,
+0.5, +0.5, -0.5, 0.0, 0.0, 1.0, 0.0,
-0.5, +0.5, -0.5, 1.0, 0.0, 1.0, 1.0,
-0.5, -0.5, +0.5, 1.0, 0.0, 1.0, 1.0,
+0.5, -0.5, +0.5, 1.0, 1.0, 0.0, 0.0,
+0.5, +0.5, +0.5, 0.0, 1.0, 1.0, 1.0,
-0.5, +0.5, +0.5, 0.0, 1.0, 0.0, 0.0
], 0, 8);
_vbufB = _context3D.createVertexBuffer(8, 7);
_vbufB.uploadFromVector(new <Number>[
// x, y, z, r, g, b, a
-0.5, -0.35, -0.9, 0.0, 1.0, 0.0, 1.0,
+0.5, -0.35, -0.9, 1.0, 0.0, 0.0, 0.0,
+0.5, +0.65, -0.9, 1.0, 0.0, 1.0, 1.0,
-0.5, +0.65, -0.9, 0.0, 0.0, 1.0, 0.0,
-0.5, -0.35, +0.2, 1.0, 1.0, 0.0, 0.0,
+0.5, -0.35, +0.2, 1.0, 0.0, 1.0, 1.0,
+0.5, +0.65, +0.2, 0.0, 1.0, 0.0, 0.0,
-0.5, +0.65, +0.2, 0.0, 1.0, 1.0, 1.0,
], 0, 8);
_uvBufCube = _context3D.createVertexBuffer(8, 2);
_uvBufCube.uploadFromVector(new <Number>[
// u, v
0.0, 0.0,
1.0, 0.0,
1.0, 1.0,
0.0, 1.0,
0.0, 0.0,
1.0, 0.0,
1.0, 1.0,
0.0, 1.0
], 0, 8);
_ibufCube = _context3D.createIndexBuffer(36);
_ibufCube.uploadFromVector(new <uint>[
0, 1, 2, 0, 2, 3,
4, 6, 5, 4, 7, 6,
0, 7, 4, 0, 3, 7,
1, 5, 6, 1, 6, 2,
0, 4, 5, 0, 5, 1,
3, 6, 7, 3, 2, 6
], 0, 36);
_ibufPlane = _context3D.createIndexBuffer(6);
_ibufPlane.uploadFromVector(new <uint>[
0, 1, 2, 0, 2, 3,
], 0, 6);
var asmVShader:String =
"mov op, va0 \n" + //copy position to output
"mov v0, va1"; //copy color to varying variable v0
var asmPShaderTex:String =
"tex oc, v0, fs0 <2d, linear, mipnone>"; //Set the output color to the value interpolated from the three triangle vertices
_shader = _context3D.createProgram();
_shader.upload((new AGALMiniAssembler()).assemble(Context3DProgramType.VERTEX, asmVShader),
(new AGALMiniAssembler()).assemble(Context3DProgramType.FRAGMENT, asmPShaderTex));
var texBd:BitmapData = (new alphaTextureCl() as Bitmap).bitmapData;
_texture = _context3D.createTexture(texBd.width, texBd.height, Context3DTextureFormat.BGRA, true);
_texture.uploadFromBitmapData(texBd);
super.addEventListener(Event.ENTER_FRAME, _onEnterFrame);
}
private function _onEnterFrame( e:Event ) : void
{
_context3D.clear(0.0, 0.0, 0.0, 0.0, 1.0, 0.0, Context3DClearMask.ALL);
_context3D.setBlendFactors(Context3DBlendFactor.SOURCE_ALPHA, Context3DBlendFactor.ONE_MINUS_SOURCE_ALPHA);
_context3D.setProgram(_shader);
_context3D.setTextureAt(0, _texture);
_context3D.setVertexBufferAt(0, _vbufA, 0, Context3DVertexBufferFormat.FLOAT_3);
_context3D.setVertexBufferAt(1, _uvBufCube, 0, Context3DVertexBufferFormat.FLOAT_2);
_context3D.drawTriangles(_ibufCube, 0, 12);
_context3D.setVertexBufferAt(0, _vbufB, 0, Context3DVertexBufferFormat.FLOAT_3);
_context3D.setVertexBufferAt(1, _uvBufCube, 0, Context3DVertexBufferFormat.FLOAT_2);
_context3D.drawTriangles(_ibufCube, 0, 12);
_context3D.drawToBitmapData(_bitmapData);
_context3D.present();
// e.currentTarget.removeEventListener(e.type, arguments.callee);
}
}
}