jpct基本使用框架

package com.example.gatest41;import javax.microedition.khronos.egl.EGLConfig;import javax.microedition.khronos.opengles.GL10;import com.threed.jpct.Camera;import com.threed.jpct.FrameBuffer;import com.threed.jpct.Light;import com.threed.jpct.Logger;import com.threed.jpct.Object3D;import com.threed.jpct.Primitives;import com.threed.jpct.RGBColor;import com.threed.jpct.SimpleVector;import com.threed.jpct.Texture;import com.threed.jpct.TextureManager;import com.threed.jpct.World;import com.threed.jpct.util.BitmapHelper;import com.threed.jpct.util.MemoryHelper;import android.content.Context;import android.opengl.GLSurfaceView;public class MyRenderer implements GLSurfaceView.Renderer {private long time = System.currentTimeMillis();private Camera cam;private FrameBuffer fb = null;private World world = null;private Light sun = null;private Object3D cube = null;private RGBColor back = new RGBColor(50, 50, 100);private Context context;private MyGLView mGLView;public static MainActivity master = null;public MyRenderer(Context context) { this.context = context;}@Overridepublic void onDrawFrame(GL10 gl) { fb.clear(back);world.renderScene(fb);world.draw(fb);fb.display();}@Overridepublic void onSurfaceChanged(GL10 gl, int w, int h) {if(fb!=null){fb.dispose();}fb = new FrameBuffer(gl, w, h);if(master==null){world = new World();world.setAmbientLight(20, 20, 20);sun = new Light(world);sun.setIntensity(250, 250, 250);Texture texture = new Texture(BitmapHelper.rescale(BitmapHelper.convert(context.getResources().getDrawable(R.drawable.ic_launcher)), 64, 64));TextureManager.getInstance().addTexture("texture", texture);cube = Primitives.getCube(10);cube.calcTextureWrapSpherical();cube.setTexture("texture");cube.strip();cube.build();world.addObject(cube);world.buildAllObjects();cam = world.getCamera();cam.moveCamera(Camera.CAMERA_MOVEOUT, 50);cam.lookAt(cube.getTransformedCenter());SimpleVector sv = new SimpleVector();sv.set(cube.getTransformedCenter());sv.y -= 100;sv.x -= 100;sun.setPosition(sv);MemoryHelper.compact();if(master == null){Logger.log("Saving master Activity!");//master = new MainActivity();master = mGLView.ma;}}}@Overridepublic void onSurfaceCreated(GL10 gl, EGLConfig config) {// TODO Auto-generated method stub}}

package com.example.gatest41;import android.app.Activity;import android.content.Context;import android.opengl.GLSurfaceView;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.SurfaceHolder.Callback;public class MyGLView extends GLSurfaceView implements Callback,Runnable {public static MainActivity ma;public MyGLView(Context context,MainActivity ma) {super(context);this.ma = ma;}@Overridepublic boolean onTouchEvent(MotionEvent event) {// TODO Auto-generated method stubreturn super.onTouchEvent(event);}public MyGLView(Context context, AttributeSet attrs) {super(context, attrs);// TODO Auto-generated constructor stub}@Overridepublic void run() {// TODO Auto-generated method stub}}

package com.example.gatest41;import java.lang.reflect.Field;import javax.microedition.khronos.egl.EGL10;import javax.microedition.khronos.egl.EGLConfig;import javax.microedition.khronos.egl.EGLDisplay;import com.threed.jpct.Logger;import android.opengl.GLSurfaceView;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.view.MotionEvent;public class MainActivity extends Activity {private static MainActivity master = null;private MyGLView mGLView;private MyRenderer renderer;@Overrideprotected void onCreate(Bundle savedInstanceState) {Logger.log("onCreate");if(master!=null){copy(master);}super.onCreate(savedInstanceState);/*这里可能错误*/mGLView = new MyGLView(getApplication(),this);mGLView.setEGLConfigChooser(new GLSurfaceView.EGLConfigChooser() {@Overridepublic EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) {int[] attributes = new int[]{EGL10.EGL_DEPTH_SIZE,16,EGL10.EGL_NONE};EGLConfig[] configs = new EGLConfig[1];int[] result = new int[1];egl.eglChooseConfig(display, attributes, configs, 1, result);return configs[0];}});renderer = new MyRenderer(this);mGLView.setRenderer(renderer);setContentView(mGLView);}@Overrideprotected void onPause() { super.onPause();mGLView.onPause();}@Overrideprotected void onResume() { super.onResume();mGLView.onResume();}@Overrideprotected void onStop() { super.onStop();}@Overridepublic boolean onTouchEvent(MotionEvent event) {// TODO Auto-generated method stubreturn super.onTouchEvent(event);}private void copy(Object src) {try{Logger.log("Copying data from master Activity!");Field[] fs = src.getClass().getDeclaredFields();for(Field f : fs){f.setAccessible(true);f.set(this, f.get(src));}}catch(Exception e){throw new RuntimeException();}  }@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}