Ejemplo: Proscenium – Modificar los vertices Año: 2012 V.: AS3
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Proscenium – Flash – AS3 – Modify the vertices of a triangle (vertex elevation – part 1)
Example:
This movie requires Flash Player 9
The Code:
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package{ /* * FLASH LIBRARI IMPORTS */ import flash.display.Sprite; import flash.display.BitmapData; import flash.display.Bitmap; import flash.geom.Vector3D; import flash.display3D.Context3D; import flash.display3D.Context3DVertexBufferFormat; import flash.events.Event; import flash.events.KeyboardEvent; import flash.events.MouseEvent; /* * PROSCENIUM LIBRARI IMPORTS */ import com.adobe.scenegraph.Instance3D; import com.adobe.scenegraph.SceneCamera; import com.adobe.scenegraph.SceneMesh; import com.adobe.scenegraph.SceneLight; import com.adobe.scenegraph.MaterialStandard; import com.adobe.scenegraph.MeshElement; import com.adobe.scenegraph.VertexFormat; import com.adobe.scenegraph.VertexFormatElement; import com.adobe.scenegraph.TextureMap; import com.adobe.scenegraph.MeshUtils; import com.xavirobot.media.LoadMedia; //Conf UI [ SWF( width="600", height="400", backgroundColor="0x000000", frameRate="125" ) ] public class mainVertexTransformPart1 extends Sprite{ private var loaderR:LoadMedia = new LoadMedia(); private var getContext:LoadContext; private var instance:Instance3D; private var context3D:Context3D; //OBJECTS private var CAMARA:SceneCamera; private var GLOBCAM:SceneMesh; private var LUZ:SceneLight; private var MAP:SceneMesh; private var PLANE:SceneMesh; //CONTROL CAMERA private var sR:Number = 2;//speedRotationKeyBoard private var xyVel:Number = 1.5; private var consPi:Number = Math.PI / 180; private var rad:Number =-90*consPi; private var cos:Number = xyVel * Math.cos(rad); private var sen:Number = xyVel * Math.sin(rad); private var ka:Array = new Array(); private var ko:Array = new Array(0,0,0,0,0,0,0,0,0); private var key:int; private var pres:int = 3; private var WORLDRotation:Number = 0; //CONTRUCTOR public function mainVertexTransformPart1(){ getContext = new LoadContext(onContext3DInit); addChild(getContext); } //INITIALIZE protected function onContext3DInit(_instance:Instance3D):void{ //CONTEXT3D instance = _instance; instance.scene.ambientColor.setFromUInt(0xFFFFFF); Resize(); //INIT CAMERA //Insertamos la camara dentro de otro contenedor //Esta tecnica permite modificar la rotacion X,Y,Z de la camara //Sin afectar los ejes de movimiento del contenedor GLOBCAM = new SceneMesh();//CONTAINER CAMERA FOR MOVE IN Z,X,Y instance.scene.addChild(GLOBCAM); CAMARA = instance.scene.activeCamera; //The camera can rotate in x, y, z without affecting the translation axes of the container CAMARA.identity(); GLOBCAM.addChild(CAMARA);//ADD CAMERA TO CONTAINER GLOBCAM.position = new Vector3D(12,25,35); CAMARA.prependRotation(-20,Vector3D.X_AXIS); //LIGHT LUZ = new SceneLight(); LUZ.color.set( .5, .5, .5 ); LUZ.appendTranslation( -20, 20, 20 ); LUZ.kind = "distant"; LUZ.shadowMapEnabled = true; LUZ.setShadowMapSize( 256, 256 ); //LUZ.transform.prependRotation( -90, Vector3D.Y_AXIS ); LUZ.transform.prependRotation( -55, Vector3D.X_AXIS ); instance.scene.addChild( LUZ ); //MAP MAP = new SceneMesh(); instance.scene.addChild( MAP ); PLANE = MeshUtils.createPlane(200,200, 1, 1,null, "plane" ); instance.scene.addChild( PLANE ); PLANE.move(0,-0.1,0); LUZ.addToShadowMap(MAP); //LISTENERS stage.addEventListener(MouseEvent.MOUSE_WHEEL, onMouseWheel); stage.addEventListener(KeyboardEvent.KEY_DOWN,onKey); stage.addEventListener(KeyboardEvent.KEY_UP,onKey); stage.addEventListener( Event.ENTER_FRAME, RENDER_FRAME); stage.addEventListener( Event.RESIZE, Resize); addElement_btn.addEventListener(MouseEvent.CLICK, onCreateElement); delElement_btn.addEventListener(MouseEvent.CLICK, onDeleteElement); addElement_btn.enabled = false; //LOAD TEXTURE loaderR.Load("source/stone.jpg",onLoadTexture); } /* * ON TEXTURE LOADED */ private function onLoadTexture():void{ onCreateElement(); } /* * CREATE ELEMENT */ private function onCreateElement(e:Event = null):void { addElement_btn.enabled = false; delElement_btn.enabled = true; //Creamos el material var mat:MaterialStandard = new MaterialStandard("material1"); //Recuperamos el bitamp de la textura cargada y la clonamos var bitData:BitmapData = Bitmap(loaderR._Mvc.content).bitmapData.clone(); //Añadimos la textura al material mat.diffuseMap = new TextureMap(bitData,false,false,false,0,"Texture1Name",false,false,1); //Indicamos los vertices y la posicion de cada uno que formaran el rectangulo mediante dos triangulos //Elevamos el ultimo vertice a 30 respecto al eje Y var b:int = 25; var vertices:Vector.<Number > = new Vector.<Number >; var y1:int = int(vy1.text); var y2:int = int(vy2.text); var y3:int = int(vy3.text); var y4:int = int(vy4.text); vertices = Vector.<Number>([ 0, y1, 0, 0, 0, 0, 0, 0, //(Vertice 1, Indice 0) x, y, z, nx, ny, nz, u, v b, y2, 0, 0, 0, 0, 1, 0, //(Vertice 2, Indice 1) 0, y3, -b, 0, 0, 0, 0, 1, //(Vertice 3, Indice 2) b, y4, -b, 0, 0, 0, 1, 1 //(Vertice 4, Indice 3) ]); //Conectamos los vertices de los triangulos mediante los indices var indices:Vector.<uint > = new Vector.<uint > ; indices = Vector.<uint > ([0,1,2,1,2,3]); //Añadimos los vertices a otro vector var vertiSets:Vector.<Vector.<Number > > = new Vector.<Vector.<Number > > ; vertiSets.push(vertices); //Añadimos los indices a otro vector var indiSets:Vector.<Vector.<uint > > = new Vector.<Vector.<uint > > ; indiSets.push(indices); //Creamos el elemento var meshE:MeshElement = new MeshElement("MeshElementName","MaterialName",mat); //Especificamos el formato en el que se divide el vector de los vertices var vertiFmt:VertexFormat = new VertexFormat(new <VertexFormatElement>[ new VertexFormatElement( VertexFormatElement.SEMANTIC_POSITION, 0, Context3DVertexBufferFormat.FLOAT_3, 0, "position" ), new VertexFormatElement( VertexFormatElement.SEMANTIC_NORMAL, 3, Context3DVertexBufferFormat.FLOAT_3, 0, "normal" ), new VertexFormatElement( VertexFormatElement.SEMANTIC_TEXCOORD, 6, Context3DVertexBufferFormat.FLOAT_2, 0, "texcoord" ) ]); //Inicializamos el elemento indicando los vertices los indices y el formato meshE.initialize(vertiSets,indiSets,vertiFmt); //Añadimos el elemento al Mapa MAP.addElement( meshE ); } /* * DELETE ELEMENT */ private function onDeleteElement(e:Event):void{ addElement_btn.enabled = true; delElement_btn.enabled = false; //Recuperamos el elemento por su nombre var meshElement:MeshElement = MAP.getElementByName("MeshElementName"); //Recuperamos el material del elemento var mat:MaterialStandard = meshElement.material as MaterialStandard; //Recuperamos la textura del material var dif:TextureMap = mat.diffuseMap as TextureMap; //Borramos el bitmap clonado de la textura dif.data.dispose(); //Finalmente eliminamos el elemento MAP.deleteElement(meshElement); } /* * RESIZE */ public function Resize(e:Event=null):void{ if ( !instance.scene )return; instance.configureBackBuffer( stage.stageWidth, stage.stageHeight, 6, true ); instance.scene.activeCamera.aspect = stage.stageWidth / stage.stageHeight; instance.render( 0, false ); instance.present(); } /* * RENDER */ protected function RENDER_FRAME( event:Event ):void { if (int(ka[0])) { rad =((WORLDRotation +=sR)-90)*consPi; GLOBCAM.prependRotation(-sR,Vector3D.Y_AXIS);//Rotate Left; cos = xyVel * Math.cos(rad); sen = xyVel * Math.sin(rad); } else if (int(ka[1])) { rad =((WORLDRotation -=sR)-90)*consPi; GLOBCAM.prependRotation(sR,Vector3D.Y_AXIS);//Rotate Right; cos = xyVel * Math.cos(rad); sen = xyVel * Math.sin(rad); } if (int(ka[2])) {//move Left GLOBCAM.move(+sen,0,-cos); } else if (int(ka[3])) {//move Right GLOBCAM.move(-sen,0,+cos); } if (int(ka[4])) {//move Up GLOBCAM.move(+cos,0,+sen); } else if (int(ka[5])) {//move Down GLOBCAM.move(-cos,0,-sen); } if (int(ka[7])) {//Key UP Rotate Cam X CAMARA.prependRotation(sR,Vector3D.X_AXIS); } else if (int(ka[8])) {//Key DOWN Rotate Cam X CAMARA.prependRotation(-sR,Vector3D.X_AXIS); } //PRESENT instance.render( 0, false ); instance.present(); } /* * KEYS PRESSED */ protected function onKey( event:KeyboardEvent ):void{ var k:int = event.keyCode; event.type == "keyUp" ? [pres = 0,key == k ? key = 0:[]]:[key != k ? [pres = 1,key = k]:[]]; if (pres == 0 || pres == 1) { if (k == 32 || k == 65 || k == 68 || k == 37 || k == 39 || k == 87 || k == 40 || k == 38 || k == 83) { if (k == 39) { ko[0] = pres;//rotate } if (k == 37) { ko[1] = pres;//rotate } if (k == 65) {//move Left; ko[2] = pres; } if (k == 68) {//move Right; ko[3] = pres; } if (k == 87 ) {//move Up ko[4] = pres; } if (k == 83) {//Key[S] move Down ko[5] = pres; } if (k == 32) {//ESPACIO ko[6] = pres; } if (k == 38) {//Key UP Rotate Cam X ko[7] = pres; } if (k == 40) {//Key DOWN Rotate Cam X ko[8] = pres; } sendKeys(ko.join()); }//End if check number Keys if (k == 32 || k == 65 || k == 68 etc.. pres = 3; }//End if (pres == 0 || pres == 1) { }//End onKey /* * KEYS PRESSED SENDER */ public function sendKeys(keystrokes:String):void { ka = new Array(); ka = keystrokes.split(","); } /* * CAMERA ELEVATION Y */ private function onMouseWheel(event:MouseEvent) : void{ GLOBCAM.move(0,event.delta*2,0); } }//End Class }//End package } |
Si te descargas el ejemplo recuerda actualizar la ruta de las librerias proscenium.swc y pellet.swc para que te funcione.
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