我有一個Flex 4.5 AIR項目,我想創建一個使用stage3D的組件。 我可以設法在Flash Player的Actionscript項目中獲得三角形示例工作,但是我無法使用乾淨的Flex項目工作。它進入循環渲染,但其不可見:Flex項目中的AIR Stage3D
主MXML:
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark" creationComplete="application1_initializeHandler(event)"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">
<fx:Script>
<![CDATA[
import mx.events.FlexEvent;
protected function application1_initializeHandler(event:FlexEvent):void
{
addEventListener(Event.ADDED_TO_STAGE, init)
}
protected function init(e:Event=null):void {
addElement(new triangle1(stage))
}
]]>
</fx:Script>
triangle.as: 包 { 進口com.adobe.utils.AGALMiniAssembler;
import flash.display.Sprite;
import flash.display.Stage;
import flash.display3D.Context3D;
import flash.display3D.Context3DProgramType;
import flash.display3D.Context3DVertexBufferFormat;
import flash.display3D.IndexBuffer3D;
import flash.display3D.Program3D;
import flash.display3D.VertexBuffer3D;
import flash.events.Event;
import flash.geom.Matrix3D;
import flash.geom.Rectangle;
import flash.geom.Vector3D;
import flash.utils.getTimer;
import mx.core.UIComponent;
public class triangle1 extends UIComponent
{
protected var context3D:Context3D;
protected var program:Program3D;
protected var vertexbuffer:VertexBuffer3D;
protected var indexbuffer:IndexBuffer3D;
public function triangle1(stage:Stage)
{
super();
stage.stage3Ds[0].addEventListener(Event.CONTEXT3D_CREATE, initMolehill);
stage.stage3Ds[0].requestContext3D();
addEventListener(Event.ENTER_FRAME, onRender);
}
protected function initMolehill(e:Event):void
{
context3D = stage.stage3Ds[0].context3D;
context3D.configureBackBuffer(800, 600, 1, true);
var vertices:Vector.<Number> = Vector.<Number>([
-0.3,-0.3,0, 1, 0, 0, // x, y, z, r, g, b
-0.3, 0.3, 0, 0, 1, 0,
0.3, 0.3, 0, 0, 0, 1]);
// Create VertexBuffer3D. 3 vertices, of 6 Numbers each
vertexbuffer = context3D.createVertexBuffer(3, 6);
// Upload VertexBuffer3D to GPU. Offset 0, 3 vertices
vertexbuffer.uploadFromVector(vertices, 0, 3);
var indices:Vector.<uint> = Vector.<uint>([0, 1, 2]);
// Create IndexBuffer3D. Total of 3 indices. 1 triangle of 3 vertices
indexbuffer = context3D.createIndexBuffer(3);
// Upload IndexBuffer3D to GPU. Offset 0, count 3
indexbuffer.uploadFromVector (indices, 0, 3);
var vertexShaderAssembler : AGALMiniAssembler = new AGALMiniAssembler();
vertexShaderAssembler.assemble(Context3DProgramType.VERTEX,
"m44 op, va0, vc0\n" + // pos to clipspace
"mov v0, va1" // copy color
);
var fragmentShaderAssembler : AGALMiniAssembler= new AGALMiniAssembler();
fragmentShaderAssembler.assemble(Context3DProgramType.FRAGMENT,
"mov oc, v0"
);
program = context3D.createProgram();
program.upload(vertexShaderAssembler.agalcode, fragmentShaderAssembler.agalcode);
}
protected function onRender(e:Event):void
{
if (!context3D)
return;
context3D.clear (1, 1, 1, 1);
// vertex position to attribute register 0
context3D.setVertexBufferAt (0, vertexbuffer, 0, Context3DVertexBufferFormat.FLOAT_3);
// color to attribute register 1
context3D.setVertexBufferAt(1, vertexbuffer, 3, Context3DVertexBufferFormat.FLOAT_3);
// assign shader program
context3D.setProgram(program);
var m:Matrix3D = new Matrix3D();
m.appendRotation(getTimer()/40, Vector3D.Z_AXIS);
context3D.setProgramConstantsFromMatrix(Context3DProgramType.VERTEX, 0, m, true);
context3D.drawTriangles(indexbuffer);
context3D.present();
}
}
}
有什麼想法?沒有錯誤,它跟蹤的OnRender,所以它只是不可見..:S