com.badlogic.gdx.physics.box2d.Body.getUserData()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中com.badlogic.gdx.physics.box2d.Body.getUserData()方法的一些代码示例，展示了Body.getUserData()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Body.getUserData()方法的具体详情如下：
包路径：com.badlogic.gdx.physics.box2d.Body
类名称：Body
方法名：getUserData

Body.getUserData介绍

[英]Get the user data
[中]获取用户数据

代码示例

代码示例来源：origin: libgdx/libgdx

private boolean isPlayerGrounded (float deltaTime) {
  groundedPlatform = null;
  Array<Contact> contactList = world.getContactList();
  for (int i = 0; i < contactList.size; i++) {
    Contact contact = contactList.get(i);
    if (contact.isTouching()
      && (contact.getFixtureA() == playerSensorFixture || contact.getFixtureB() == playerSensorFixture)) {
      Vector2 pos = player.getPosition();
      WorldManifold manifold = contact.getWorldManifold();
      boolean below = true;
      for (int j = 0; j < manifold.getNumberOfContactPoints(); j++) {
        below &= (manifold.getPoints()[j].y < pos.y - 1.5f);
      }
      if (below) {
        if (contact.getFixtureA().getUserData() != null && contact.getFixtureA().getUserData().equals("p")) {
          groundedPlatform = (Platform)contact.getFixtureA().getBody().getUserData();
        }
        if (contact.getFixtureB().getUserData() != null && contact.getFixtureB().getUserData().equals("p")) {
          groundedPlatform = (Platform)contact.getFixtureB().getBody().getUserData();
        }
        return true;
      }
      return false;
    }
  }
  return false;
}

代码示例来源：origin: danialgoodwin/dev

public GameActor(Body body) {
  this.body = body;
  this.userData = (UserData) body.getUserData();
  screenRectangle = new Rectangle();
}

代码示例来源：origin: danialgoodwin/dev

public static boolean bodyIsGround(Body body) {
  UserData userData = (UserData) body.getUserData();
  return userData != null && userData.getUserDataType() == UserDataType.GROUND;
}

代码示例来源：origin: danialgoodwin/dev

public static boolean bodyIsRunner(Body body) {
  UserData userData = (UserData) body.getUserData();
  return userData != null && userData.getUserDataType() == UserDataType.RUNNER;
}

代码示例来源：origin: danialgoodwin/dev

public static boolean bodyIsEnemy(Body body) {
  UserData userData = (UserData) body.getUserData();
  return userData != null && userData.getUserDataType() == UserDataType.ENEMY;
}

代码示例来源：origin: narfman0/GDXWorld

protected Body[] getBodyAB(World world){
  Body[] bodies = new Body[2];
  Array<Body> bodyArray = new Array<>(world.getBodyCount());
  world.getBodies(bodyArray);
  for(Body body : bodyArray){
    if(this.bodyA.equals(body.getUserData()))
      bodies[0] = body;
    else if(this.bodyB.equals(body.getUserData()))
      bodies[1] = body;
  }
  return bodies;
}

代码示例来源：origin: dsaltares/libgdx-cookbook

@Override
  public float reportRayFixture(Fixture fixture, Vector2 point, Vector2 normal, float fraction) {
    // Print contact info
    Gdx.app.log(TAG, " Contact!! " + fixture.getBody().getUserData() + " at [" + point.x + ";" + point.y + "]");
    return -1; // Continue with the rest of the fixtures
  }
};

代码示例来源：origin: yichen0831/Bomberman_libGdx

@Override
  public float reportRayFixture(Fixture fixture, Vector2 point, Vector2 normal, float fraction) {
    if (fixture.getFilterData().categoryBits == GameManager.BOMB_BIT) {
      Entity bombEntity = (Entity) fixture.getBody().getUserData();
      kickingBomb = bombEntity.getComponent(Bomb.class);
      return 0;
    }
    return 0;
  }
};

代码示例来源：origin: danialgoodwin/dev

public static boolean bodyInBounds(Body body) {
  UserData userData = (UserData) body.getUserData();
  switch (userData.getUserDataType()) {
    case RUNNER:
    case ENEMY:
      return body.getPosition().x + userData.getWidth() / 2 > 0;
  }
  return true;
}

代码示例来源：origin: danialgoodwin/dev

@Override
public void act(float delta) {
  super.act(delta);
  if (body.getUserData() != null) {
    updateRectangle();
  } else {
    // This means the world destroyed the body (enemy or runner went out of bounds)
    remove();
  }
}

代码示例来源：origin: dsaltares/libgdx-cookbook

void freeBalloons() {
  Iterator<Body> i = balloons.iterator();
  while (i.hasNext()) {
    Body balloon = i.next();
    boolean broken = (Boolean) balloon.getUserData();
    if(((balloon.getPosition().y - BALLOON_HEIGHT*0.5f) > SCENE_HEIGHT) || // Top limit
        (balloon.getPosition().y + BALLOON_HEIGHT*0.5f) < 1.0f || // Bottom limit
        (balloon.getPosition().x - BALLOON_WIDTH*0.5f) > SCENE_WIDTH || // Right limit
        (balloon.getPosition().x + BALLOON_WIDTH*0.5f) < 0 || // Left limit
        broken) {
      
      world.destroyBody(balloon);
      i.remove();
    }
  }
}

代码示例来源：origin: narfman0/GDXWorld

world.getBodies(bodyArray);
for(Body body : bodyArray)
  if(body.getUserData() instanceof String)
    usedBodyNames.put((String)body.getUserData(), body);
HashMap<String, Body> bodies = new HashMap<>();
List<GDXShape> shapes = new ArrayList<>();

代码示例来源：origin: yichen0831/Bomberman_libGdx

@Override
  public float reportRayFixture(Fixture fixture, Vector2 point, Vector2 normal, float fraction) {
    if (fixture.getFilterData().categoryBits == GameManager.INDESTRUCTIIBLE_BIT) {
      canExplodeThrough = false;
      return 0;
    }
    if (fixture.getFilterData().categoryBits == GameManager.BREAKABLE_BIT) {
      canExplodeThrough = false;
      Entity e = (Entity) fixture.getBody().getUserData();
      Breakable breakable = e.getComponent(Breakable.class);
      breakable.state = Breakable.State.EXPLODING;
      return 0;
    }
    return 0;
  }
};

代码示例来源：origin: dsaltares/libgdx-cookbook

@Override
  public float reportRayFixture(Fixture fixture, Vector2 point, Vector2 normal, float fraction) {
    collision.set(point);
    Box2DQuerySample.this.normal.set(normal).add(point);
    // Show contact info
    title = fixture.getBody().getUserData() + " at [" + point.x + ";" + point.y + "]";
    layout.setText(font, title);
    titleWidth = layout.width * 0.5f;
    return 1; // Continue with the rest of the fixtures
  }
};

代码示例来源：origin: dsaltares/libgdx-cookbook

@Override
public void beginContact(Contact contact) {
  // TODO Auto-generated method stub
  Fixture fixtureA = contact.getFixtureA();
  Fixture fixtureB = contact.getFixtureB();
  Body bodyA = fixtureA.getBody();
  Body bodyB = fixtureB.getBody();
  if (fixtureA.isSensor()) {
    Enemy e = (Enemy) bodyA.getUserData();
    e.setAngry(true);
    //Gdx.app.log(TAG, "T-Rex is angry!!!");
  }
  else if(fixtureB.isSensor()) {
    Enemy e = (Enemy) bodyB.getUserData();
    e.setAngry(true);
    //Gdx.app.log(TAG, "T-Rex is angry!!!");
  }
    
}

代码示例来源：origin: narfman0/GDXWorld

@Override
public Body getPhysicsObject(String name) {
  Array<Body> bodyArray = new Array<>(world.getBodyCount());
  world.getBodies(bodyArray);
  for (Body body : bodyArray)
    if (name != null && name.equals(body.getUserData()))
      return body;
  return null;
}

代码示例来源：origin: narfman0/GDXWorld

@Override
public boolean isNear(String origin, String target, float distance) {
  Body originBody = null, targetBody = null;
  Array<Body> bodyArray = new Array<>(world.getBodyCount());
  world.getBodies(bodyArray);
  for (Body body : bodyArray) {
    if (origin != null && origin.equals(body.getUserData()))
      originBody = body;
    if (target != null && target.equals(body.getUserData()))
      targetBody = body;
  }
  return originBody.getPosition().dst(targetBody.getPosition()) < distance;
}

代码示例来源：origin: yichen0831/Bomberman_libGdx

Entity e = (Entity) fixtureA.getBody().getUserData();
  Player player = e.getComponent(Player.class);
  player.receivedDamage++;
} else if (fixtureB.getFilterData().categoryBits == GameManager.PLAYER_BIT) {
  Entity e = (Entity) fixtureB.getBody().getUserData();
  Player player = e.getComponent(Player.class);
  player.receivedDamage++;
  Entity e = (Entity) fixtureA.getBody().getUserData();
  Enemy enemy = e.getComponent(Enemy.class);
  enemy.receivedDamage++;
} else if (fixtureB.getFilterData().categoryBits == GameManager.ENEMY_BIT) {
  Entity e = (Entity) fixtureB.getBody().getUserData();
  Enemy enemy = e.getComponent(Enemy.class);
  enemy.receivedDamage++;
  Entity e = (Entity) fixtureA.getBody().getUserData();
  Bomb bomb = e.getComponent(Bomb.class);
  bomb.countDown = 0;
} else if (fixtureB.getFilterData().categoryBits == GameManager.BOMB_BIT) {
  Entity e = (Entity) fixtureB.getBody().getUserData();
  Bomb bomb = e.getComponent(Bomb.class);
  bomb.countDown = 0;
  Entity e = (Entity) fixtureA.getBody().getUserData();
  Breakable breakable = e.getComponent(Breakable.class);
  breakable.state = Breakable.State.EXPLODING;
} else if (fixtureB.getFilterData().categoryBits == GameManager.BREAKABLE_BIT) {
  Entity e = (Entity) fixtureB.getBody().getUserData();

代码示例来源：origin: dsaltares/libgdx-cookbook

Enemy e = (Enemy) bodyA.getUserData();
e.setAngry(false);
Enemy e = (Enemy) bodyB.getUserData();
e.setAngry(false);

代码示例来源：origin: manuelbua/uracer-kotd

Object userData = f.getUserData();
if ((body != null) && (userData == CarType.PlayerCar || userData == CarType.ReplayCar)) {
  Car car = (Car)body.getUserData();
  float[] impulses = impulse.getNormalImpulses();
  tmpVec2.set(impulses[0], impulses[1]);

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