有人知道为什么applyforce只对我的一个精灵起作用吗？而且，当我按下其他精灵时，它也会向一个单独的精灵施加力。nextTile方法工作得很好。
enter code here包com.martynnorman.jude;
/** * 作者：Nicolas Gramlich * 时间：11:54:51 - 03.04.2010 */ public class MainActivity extends BaseGameActivity implements IOnAreaTouchListener { // =========================================================== // 常量 // ===========================================================
private static final int CAMERA_WIDTH = 720;
private static final int CAMERA_HEIGHT = 480;
int centerX;
int centerY;
// ===========================================================
// Fields
// ===========================================================
private Camera mCamera;
private BitmapTextureAtlas mBitmapTextureAtlas;
private TiledTextureRegion mFaceTextureRegion;
private BitmapTextureAtlas mBitmapTextureAtlas2;
private TiledTextureRegion mFaceTextureRegion2;
Random random = new Random();
Ball sprite;
int scale;
Scene scene;
private BitmapTextureAtlas mFontTexture;
private Font mFont;
Text textcenter;
int t = 1;
Ball rgSprite[] = new Ball[10];
private PhysicsWorld mPhysicsWorld;
Body body;
int isTouched;
final Vector2 gravity2 = new Vector2(0, 20);
final Vector2 gravity = new Vector2(0, 0);
私有静态常量FixtureDef FIXTURE_DEF = PhysicsFactory.createFixtureDef(1, 0.5f, 0.5f);
// ===========================================================
// Constructors
// ===========================================================
// ===========================================================
// Getter & Setter
// ===========================================================
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
@Override
public Engine onLoadEngine() {
this.mCamera = new Camera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT);
return new Engine(new EngineOptions(true, ScreenOrientation.LANDSCAPE, new RatioResolutionPolicy(CAMERA_WIDTH, CAMERA_HEIGHT), this.mCamera));
}
@Override
public void onLoadResources() {
this.mBitmapTextureAtlas = new BitmapTextureAtlas(64, 32, TextureOptions.BILINEAR_PREMULTIPLYALPHA);
this.mFaceTextureRegion = BitmapTextureAtlasTextureRegionFactory.createTiledFromAsset(this.mBitmapTextureAtlas, this, "gfx/ball.png", 0, 0, 2, 1);
this.mBitmapTextureAtlas2 = new BitmapTextureAtlas(64, 32, TextureOptions.BILINEAR_PREMULTIPLYALPHA);
this.mFaceTextureRegion2 = BitmapTextureAtlasTextureRegionFactory.createTiledFromAsset(this.mBitmapTextureAtlas2, this,"gfx/ball2.png", 0, 0, 2, 1);
this.mFontTexture = new BitmapTextureAtlas(256, 256, TextureOptions.BILINEAR_PREMULTIPLYALPHA);
this.mFont = new Font(this.mFontTexture, Typeface.create(Typeface.DEFAULT, Typeface.BOLD), 32, true, Color.BLACK);
this.mEngine.getTextureManager().loadTextures(this.mBitmapTextureAtlas, mBitmapTextureAtlas2);
this.mEngine.getFontManager().loadFont(this.mFont);
this.mEngine.getTextureManager().loadTexture(this.mFontTexture);
}
@Override
public Scene onLoadScene() {
createAETimeHandler(2);
/* final Text textcenter = new Text(100, 60, this.mFont, "touched", HorizontalAlign.CENTER);
this.mFontTexture = new BitmapTextureAtlas(256, 256, TextureOptions.BILINEAR_PREMULTIPLYALPHA);
this.mFont = new Font(this.mFontTexture, Typeface.create(Typeface.DEFAULT, Typeface.BOLD), 32, true, Color.BLACK);*/
final Scene scene = new Scene();
scene.setOnAreaTouchListener(this);
scene.setBackground(new ColorBackground(0.6274f, 0.6274f, 0.8784f));
mPhysicsWorld = new PhysicsWorld(new Vector2(0, SensorManager.GRAVITY_EARTH), false);
scene.registerUpdateHandler(mPhysicsWorld);
mPhysicsWorld.setGravity(gravity);
final Shape ground = new Rectangle(0, CAMERA_HEIGHT - 2, CAMERA_WIDTH, 2);
final FixtureDef wallFixtureDef = PhysicsFactory.createFixtureDef(0, 0.5f, 0.5f);
PhysicsFactory.createBoxBody(this.mPhysicsWorld, ground, BodyType.StaticBody, wallFixtureDef);
scene.attachChild(ground);
final Shape left = new Rectangle(0, 0, 2, CAMERA_HEIGHT);
final Shape right = new Rectangle(CAMERA_WIDTH - 2, 0, 2, CAMERA_HEIGHT);
final Shape roof = new Rectangle(0, 0, CAMERA_WIDTH, 2);
PhysicsFactory.createBoxBody(this.mPhysicsWorld, left, BodyType.StaticBody, wallFixtureDef);
PhysicsFactory.createBoxBody(this.mPhysicsWorld, right, BodyType.StaticBody, wallFixtureDef);
PhysicsFactory.createBoxBody(this.mPhysicsWorld, roof, BodyType.StaticBody, wallFixtureDef);
scene.attachChild(left);
scene.attachChild(right);
scene.attachChild(roof);
// scene.setOnSceneTouchListener((IOnSceneTouchListener) this);
//final Ball hit = new Ball(random.nextInt(600)+1, random.nextInt(400)+1, this.mFaceTextureRegion.clone());
//final Ball hit2 = new Ball(random.nextInt(600)+1, random.nextInt(400)+1, this.mFaceTextureRegion2.clone());
//body = PhysicsFactory.createBoxBody(this.mPhysicsWorld, hit2, BodyType.DynamicBody, FIXTURE_DEF);
//scene.attachChild(hit2);
//hit2.setScale(2);
//scene.registerTouchArea(hit2);
//this.mPhysicsWorld.registerPhysicsConnector(new PhysicsConnector(hit2, body, true, true));
for (int i = 0; i < rgSprite.length; i++) {
rgSprite[i] = new Ball(random.nextInt(600)+1, 200, this.mFaceTextureRegion.clone());
}
mPhysicsWorld.setGravity(gravity2);
for (Ball sprite : rgSprite) {
body = PhysicsFactory.createCircleBody(this.mPhysicsWorld, sprite, BodyType.DynamicBody, FIXTURE_DEF);
this.mPhysicsWorld.registerPhysicsConnector(new PhysicsConnector(sprite, body, true, true));
scene.registerTouchArea(sprite);
scene.attachChild(sprite);
sprite.setScale(2);
}
//scene.attachChild(hit);
//hit.setScale(2);
//scene.registerTouchArea(hit);
return scene;
}
@Override
public void onLoadComplete() {
}
private void createAETimeHandler(float mEffectSpawnDelay)
{ TimerHandler spriteTimerHandler2;
this.getEngine().registerUpdateHandler(spriteTimerHandler2 = new TimerHandler(mEffectSpawnDelay, true, new ITimerCallback()
{
@Override
public void onTimePassed(final TimerHandler pTimerHandler)
{
/*if (isTouched == 1){
mFaceTextureRegion.setCurrentTileIndex(0);
isTouched = 2;
} */
}
}));
}
// ===========================================================
// Methods
// ===========================================================
// ===========================================================
// Inner and Anonymous Classes
// ===========================================================
@Override
public boolean onAreaTouched(TouchEvent pSceneTouchEvent, ITouchArea pTouchArea, float pTouchAreaLocalX,float pTouchAreaLocalY) {
if(this.mPhysicsWorld != null) {
if (pSceneTouchEvent.getAction() == MotionEvent.ACTION_DOWN) {
this.onOff((AnimatedSprite)pTouchArea);
}
} return false;
}
private void onOff(final AnimatedSprite ball) {
ball.nextTile();
body.applyForce(new Vector2(200,-1500), new Vector2(body.getWorldCenter()));
}
}