/**
* Copyright mutantleg ( http://wonderfl.net/user/mutantleg )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/x5Vw
*/
package {
import flash.geom.Vector3D;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.geom.Matrix3D;
import flash.utils.ByteArray;
import flash.events.ErrorEvent;
import flash.events.Event;
import flash.text.TextField;
import flash.display.Sprite;
import flash.display3D.Context3D;
import flash.display3D.Context3DProfile;
import flash.display3D.Context3DRenderMode;
import com.adobe.utils.AGALMiniAssembler;
import flash.display3D.Context3D;
import flash.display3D.Context3DBlendFactor;
import flash.display3D.Context3DCompareMode;
import flash.display3D.Context3DProgramType;
import flash.display3D.Context3DTriangleFace;
import flash.display3D.Context3DVertexBufferFormat;
import flash.display3D.IndexBuffer3D;
import flash.display3D.VertexBuffer3D;
import flash.display3D.Program3D;
import flash.display3D.textures.Texture;
public class FlashTest extends Sprite {
public var deb:TextField;
public function FlashTest() {
deb = new TextField();
addChild(deb);
deb.width = 400;
deb.text = " debug ";
if (stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init);
}//ctor
public function init(e:Event=null):void
{
removeEventListener(Event.ADDED_TO_STAGE, init);
//if (stage == null) { deb.text = "stage null"; }
// else { deb.text = "stage exist"; }
//deb.text = "stage > " + stage.stage3Ds[0];
stage.stage3Ds[0].addEventListener(Event.CONTEXT3D_CREATE, contReady);
stage.stage3Ds[0].addEventListener(ErrorEvent.ERROR, onError);
stage.stage3Ds[0].requestContext3D(Context3DRenderMode.AUTO);
// deb.text = " reach ";
}//init
private var context:Context3D;
public function onError(e:ErrorEvent):void
{
deb.text = e.text;
deb.textColor = 0xFF0000FF;
}//onerror
public function contReady(e:Event):void
{
deb.text = "context ready ";
context = stage.stage3Ds[0].context3D;
deb.text = context.driverInfo;
deb.textColor = 0xFFffFFff;
//context.addEventListener(ErrorEvent.ERROR, onError);
context.configureBackBuffer(200, 200, 2, true);
initProgram(context);
createBuffer(context);
/*
var pic:Bitmap;
pic = new Bitmap(new BitmapData(400,400,false,0));
context.clear();
draw(context);
context.drawToBitmapData(pic.bitmapData);
context.present();
addChild(pic);
*/
stage.addEventListener(Event.ENTER_FRAME, onEnter);
}//contready
public var prog:Program3D;
public var bufVert:VertexBuffer3D;
public var bufCol:VertexBuffer3D;
public var bufFace:IndexBuffer3D;
public function createBuffer(c:Context3D):void
{
var p:Number;
var n:Number;
var scale:Number;
var vecFace:Vector.<uint>;
var vecVert:Vector.<Number>;
var vecCol:Vector.<Number>;
scale = 1.0;
p = 0.5 * scale;
n = -0.5 * scale;
vecFace = Vector.<uint>([1, 0, 2, 1, 2, 3]);
vecVert = Vector.<Number>([
n, n, 0.0,
p, n, 0.0,
n, p, 0.0,
p, p, 0.0 ]);
vecCol = Vector.<Number>([
1.0, 0, 0, 1.0,
0, 1.0, 0, 1.0,
0, 0, 1.0, 1.0,
0, 0, 0, 0 ]);
bufVert = c.createVertexBuffer(4, 3);
bufFace = c.createIndexBuffer(2 * 3);
bufCol = c.createVertexBuffer(4, 4);
bufVert.uploadFromVector(vecVert, 0, 4);
bufFace.uploadFromVector(vecFace, 0, 2 * 3);
bufCol.uploadFromVector(vecCol, 0, 4);
}//createbuffer
public function initProgram(c:Context3D):void
{
prog = c.createProgram();
var vert:ByteArray;
var frag:ByteArray;
var assembler:AGALMiniAssembler = new AGALMiniAssembler();
var code:String;
code = "";
code += "m44 op, va0, vc0\n";
code += "move v0, va1\n";
vert = assembler.assemble(Context3DProgramType.VERTEX, code);
code = "";
code += "move oc, v0\n";
//code += "mul oc, v0, fc0\n";
//code += "move oc, fc0\n";
frag = assembler.assemble(Context3DProgramType.FRAGMENT, code);
prog.upload(vert, frag);
}//initprogram;
public function onEnter(e:Event):void
{
context.clear();
draw(context);
context.present();
}//onenter
public var mat:Matrix3D = new Matrix3D();
public var ang:Number = 0;
public function draw(c:Context3D):void
{
var color:Vector.<Number> = Vector.<Number>([1.0,0,0,1.0]);
c.setCulling(Context3DTriangleFace.BACK);
c.setProgram(prog);
mat.identity();
mat.appendRotation(ang, Vector3D.Z_AXIS);
ang += 3;
c.setProgramConstantsFromMatrix(Context3DProgramType.VERTEX, 0, mat, true);
c.setProgramConstantsFromVector(Context3DProgramType.FRAGMENT, 0, color);
c.setVertexBufferAt(0, bufVert, 0, Context3DVertexBufferFormat.FLOAT_3);
c.setVertexBufferAt(1, bufCol, 0, Context3DVertexBufferFormat.FLOAT_4);
c.drawTriangles(bufFace, 0, 2);
}//draw
}//classend
}
