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浏览主题:JigLib的示例CarDriveOnTerrain的问题
JigLib的示例CarDriveOnTerrain的问题
海啸Flash3DBitMapData (2010-12-17 19:09:22)
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package
{
import flash.display.*;
import flash.events.*;
import flash.ui.Keyboard;
import flash.geom.Vector3D;
import org.papervision3d.cameras.SpringCamera3D;
import org.papervision3d.core.clipping.FrustumClipping;
import org.papervision3d.core.math.Number3D;
import org.papervision3d.materials.*;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.materials.shadematerials.FlatShadeMaterial;
import org.papervision3d.materials.shadematerials.PhongMaterial;
import org.papervision3d.materials.shaders.PhongShader;
import org.papervision3d.materials.shadematerials.GouraudMaterial;
import org.papervision3d.materials.shaders.GouraudShader;
import org.papervision3d.objects.parsers.*;
import org.papervision3d.objects.DisplayObject3D;
import org.papervision3d.lights.PointLight3D;
import org.papervision3d.events.FileLoadEvent;
import org.papervision3d.objects.parsers.Collada;
import org.papervision3d.view.BasicView;
import org.papervision3d.view.stats.StatsView;
import org.papervision3d.view.layer.ViewportLayer;
import org.papervision3d.view.layer.util.ViewportLayerSortMode;
import flash.display.Bitmap;
import flash.display.Loader;
import flash.events.Event;
import flash.net.URLRequest;
import org.papervision3d.lights.PointLight3D;
import org.papervision3d.materials.BitmapMaterial;
import org.papervision3d.materials.shaders.FlatShader;
import org.papervision3d.materials.shaders.ShadedMaterial;
import org.papervision3d.objects.primitives.Sphere;
import jiglib.cof.JConfig;
import jiglib.math.*;
import jiglib.physics.*;
import jiglib.geometry.*;
import jiglib.vehicles.JCar;
import jiglib.vehicles.JWheel;
import jiglib.plugin.papervision3d.*;
[SWF(width="1000", height="750", backgroundColor="#ffffff", frameRate="60")]
public class CarDriveOnTerrain extends BasicView
{
[Embed(source="hightmap2.jpg")]
public var TERRIAN_MAP:Class;
private var springCamera:SpringCamera3D;
private var mylight:PointLight3D;
private var terrain:JTerrain;
private var carBody:JCar;
private var carSkin:Collada;
private var steerFR :DisplayObject3D;
private var steerFL :DisplayObject3D;
private var wheelFR :DisplayObject3D;
private var wheelFL :DisplayObject3D;
private var wheelBR :DisplayObject3D;
private var wheelBL :DisplayObject3D;
private var vplObjects:ViewportLayer;
private var physics:Papervision3DPhysics;
public function CarDriveOnTerrain()
{
super(800, 600, true, true);
stage.addEventListener( KeyboardEvent.KEY_DOWN, keyDownHandler );
stage.addEventListener( KeyboardEvent.KEY_UP, keyUpHandler );
init3D();
}
private function init3D():void
{
physics = new Papervision3DPhysics(scene, 8);
renderer.clipping = new FrustumClipping(FrustumClipping.NEAR);
viewport.containerSprite.sortMode = ViewportLayerSortMode.INDEX_SORT;
springCamera = new SpringCamera3D();
springCamera.y = 5000;
springCamera.mass = 10;
springCamera.damping = 10;
springCamera.stiffness = 1;
springCamera.positionOffset = new Number3D(0, 100, -150);
mylight = new PointLight3D(true, true);
mylight.y = 5000;
var terrainBMD:Bitmap = new TERRIAN_MAP;
var shadeMateria:FlatShadeMaterial = new FlatShadeMaterial(mylight, 0x77ee77);
var shadeMaterial:PhongMaterial = new PhongMaterial(mylight,0x32FFFF, 0x00FF00,100);
//create terrain
terrain = physics.createTerrain(terrainBMD.bitmapData, shadeMateria, 10000, 10000, 800, 45, 45);
viewport.getChildLayer(DisplayObject3D(terrain.terrainMesh)).layerIndex = 0;
//init car skin
shadeMateria = new FlatShadeMaterial(mylight,0xeeeeff);
var materiaList:MaterialsList = new MaterialsList();
materiaList.addMaterial(shadeMateria,"all");
carSkin = new Collada("car.DAE", materiaList, 0.01);
carSkin.addEventListener(FileLoadEvent.LOAD_COMPLETE,onCarLoaded);
springCamera.target = carSkin;
var stats:StatsView = new StatsView(renderer);
addChild(stats);
}
private function onCarLoaded(e:FileLoadEvent):void
{
scene.addChild(carSkin);
//init car physics
carBody = new JCar(new Pv3dMesh(carSkin));
carBody.setCar(40,1,400);
carBody.chassis.moveTo(new Vector3D( 4000, 300, -3000));
carBody.chassis.mass = 15;
carBody.chassis.sideLengths = new Vector3D(40, 20, 90);
physics.addBody(carBody.chassis);
carBody.setupWheel("WheelFL", new Vector3D( -20, -10, 25), 1.2, 1.2, 3, 10, 0.5, 0.5, 2);
carBody.setupWheel("WheelFR", new Vector3D(20, -10, 25), 1.2, 1.2, 3, 10, 0.5, 0.5, 2);
carBody.setupWheel("WheelBL", new Vector3D( -20, -10, -25), 1.2, 1.2, 3, 10, 0.5, 0.5, 2);
carBody.setupWheel("WheelBR", new Vector3D(20, -10, -25), 1.2, 1.2, 3, 10, 0.5, 0.5, 2);
var shadeMateria:FlatShadeMaterial = new FlatShadeMaterial(mylight, 0x777777);
var shadeMaterial:PhongMaterial = new PhongMaterial(mylight,0xFFFFFF, 0x777777,100);
steerFL = carSkin.getChildByName( "WheelFL", true );
steerFR = carSkin.getChildByName( "WheelFR", true );
wheelFL = carSkin.getChildByName( "WheelFL_PIVOT", true );
wheelFL.material = shadeMaterial;
wheelFR = carSkin.getChildByName( "WheelFR_PIVOT", true );
wheelFR.material = shadeMaterial;
wheelBL = carSkin.getChildByName( "WheelBL", true );
wheelBL.material = shadeMaterial;
wheelBR = carSkin.getChildByName( "WheelBR", true );
wheelBR.material = shadeMaterial;
var vplCar:ViewportLayer = viewport.getChildLayer(carSkin.getChildByName("Chassis",true));
vplCar.addDisplayObject3D(wheelFR);
vplCar.addDisplayObject3D(wheelFL);
vplCar.addDisplayObject3D(wheelBR);
vplCar.addDisplayObject3D(wheelBL);
vplCar.layerIndex = 2;
startRendering();
}
private function keyDownHandler(event :KeyboardEvent):void
{
switch(event.keyCode)
{
case Keyboard.UP:
carBody.setAccelerate(5);
break;
case Keyboard.DOWN:
carBody.setAccelerate(-5);
break;
case Keyboard.LEFT:
carBody.setSteer(["WheelFL", "WheelFR"], -2);
break;
case Keyboard.RIGHT:
carBody.setSteer(["WheelFL", "WheelFR"], 2);
break;
case Keyboard.SPACE:
carBody.setHBrake(1);
break;
}
}
private function keyUpHandler(event:KeyboardEvent):void
{
switch(event.keyCode)
{
case Keyboard.UP:
carBody.setAccelerate(0);
break;
case Keyboard.DOWN:
carBody.setAccelerate(0);
break;
case Keyboard.LEFT:
carBody.setSteer(["WheelFL", "WheelFR"], 0);
break;
case Keyboard.RIGHT:
carBody.setSteer(["WheelFL", "WheelFR"], 0);
break;
case Keyboard.SPACE:
carBody.setHBrake(0);
}
}
private function updateWheelSkin():void
{
steerFL.rotationY = carBody.wheels["WheelFL"].getSteerAngle();
steerFR.rotationY = carBody.wheels["WheelFR"].getSteerAngle();
wheelFL.pitch(carBody.wheels["WheelFL"].getRollAngle());
wheelFR.pitch(carBody.wheels["WheelFR"].getRollAngle());
wheelBL.roll(carBody.wheels["WheelBL"].getRollAngle());
wheelBR.roll(carBody.wheels["WheelBR"].getRollAngle());
steerFL.y = carBody.wheels["WheelFL"].getActualPos().y;
steerFR.y = carBody.wheels["WheelFR"].getActualPos().y;
wheelBL.y = carBody.wheels["WheelBL"].getActualPos().y;
wheelBR.y = carBody.wheels["WheelBR"].getActualPos().y;
}
protected override function onRenderTick(event:Event = null):void {
//physics.step();
physics.engine.integrate(0.1);
updateWheelSkin();
renderer.renderScene(scene, springCamera, viewport);
}
}
} |
question
第100条：1.physics.createTerrain是哪种几何体？
2.它的构造器在那?
3.它的参数？
第130条：carBody.setupWheel("WheelFL", new Vector3D( -20, -10, 25), 1.2, 1.2, 3, 10, 0.5, 0.5, 2);的( -20, -10, 25), 1.2, 1.2, 3, 10, 0.5, 0.5, 2 分别为什么意思？
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fur3
(2010-12-20 11:50:06) |
我对jiglib也研究不多，不知道其他朋友有没有研究
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