Andengine - Bài 23 lập trình game AndEngine cơ bản - add sprite list hander

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Hôm nay mình sẽ hướng dẫn các bạn cách tạo ra một list các sprite hay animation trong AndEngine.

Video hướng dẫn : (like và G+ ủng hộ mình nha !)



 Source Code demo : DownLoad Here!

Main activity.java

package com.example.andenginemuntitouch;


package com.example.demo_taget;

import java.util.LinkedList;
import java.util.Random;

import org.anddev.andengine.engine.Engine;
import org.anddev.andengine.engine.camera.BoundCamera;
import org.anddev.andengine.engine.handler.timer.ITimerCallback;
import org.anddev.andengine.engine.handler.timer.TimerHandler;
import org.anddev.andengine.engine.options.EngineOptions;
import org.anddev.andengine.engine.options.EngineOptions.ScreenOrientation;
import org.anddev.andengine.engine.options.resolutionpolicy.RatioResolutionPolicy;
import org.anddev.andengine.entity.modifier.MoveYModifier;
import org.anddev.andengine.entity.scene.Scene;
import org.anddev.andengine.entity.scene.background.AutoParallaxBackground;
import org.anddev.andengine.entity.scene.background.ColorBackground;
import org.anddev.andengine.entity.scene.background.ParallaxBackground.ParallaxEntity;
import org.anddev.andengine.entity.sprite.AnimatedSprite;
import org.anddev.andengine.entity.sprite.Sprite;
import org.anddev.andengine.entity.text.ChangeableText;
import org.anddev.andengine.entity.util.FPSLogger;
import org.anddev.andengine.extension.input.touch.controller.MultiTouch;
import org.anddev.andengine.extension.input.touch.controller.MultiTouchController;
import org.anddev.andengine.extension.input.touch.exception.MultiTouchException;
import org.anddev.andengine.input.touch.TouchEvent;
import org.anddev.andengine.opengl.texture.Texture;
import org.anddev.andengine.opengl.texture.TextureOptions;
import org.anddev.andengine.opengl.texture.region.TextureRegionFactory;
import org.anddev.andengine.opengl.texture.region.TiledTextureRegion;
import org.anddev.andengine.ui.activity.BaseGameActivity;

import android.os.Bundle;
import android.app.Activity;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Menu;
import android.widget.Toast;

public class MainActivity extends BaseGameActivity {

 private static int CAMERA_WIDTH;
 private static int CAMERA_HEIGHT;

 private BoundCamera mCamera;
 private Scene scene;

 // china ship
 private Texture mTextureChinaShip;
 private TiledTextureRegion mTextureRegionChinaShip;
 private LinkedList targetLLChinaShip;
 private LinkedList TargetsToBeAddedChinaShip;

 @Override
 public Engine onLoadEngine() {

  DisplayMetrics dm = new DisplayMetrics();
  getWindowManager().getDefaultDisplay().getMetrics(dm);
  int width = dm.widthPixels;
  int height = dm.heightPixels;
  CAMERA_WIDTH = width;
  CAMERA_HEIGHT = height;
  Log.v("getWindowManager", "width = " + width + "  ,height= " + height);

  this.mCamera = new BoundCamera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT);
  // khai báo sử dụng đa điểm trong app
  final Engine engine = new Engine(new EngineOptions(true, ScreenOrientation.PORTRAIT, new RatioResolutionPolicy(CAMERA_WIDTH, CAMERA_HEIGHT), this.mCamera).setNeedsMusic(true).setNeedsSound(true));
  try {
   if (MultiTouch.isSupported(this)) {
    engine.setTouchController(new MultiTouchController());
    if (MultiTouch.isSupportedDistinct(this)) {
     Toast.makeText(this, "Cảm ứng đa điểm - các điều khiển hoạt động tốt!", Toast.LENGTH_LONG).show();
    } else {
     Toast.makeText(this, "MultiTouch detected, but your device has problems " + "distinguishing between fingers.\n\nControls are placed at different vertical" + " locations.", Toast.LENGTH_LONG).show();
    }
   } else {
    Toast.makeText(this, "Sorry your device does NOT support MultiTouch!\n\n(Falling back to SingleTouch.)" + "\n\nControls are placed at different vertical locations.", Toast.LENGTH_LONG).show();
   }
  } catch (final MultiTouchException e) {
   Toast.makeText(this, "Bản android này không hỗ trợ đa điểm!\n\n(Chỉ sử dụng đơn điểm.)\n\nChỉ sử " + "dụng được một điều khiểu trong một thời điểm.", Toast.LENGTH_LONG).show();
  }

  return engine;

 }

 @Override
 public void onLoadResources() {

  TextureRegionFactory.setAssetBasePath("gfx/");

  // load china ship
  this.mTextureChinaShip = new Texture(512, 512, TextureOptions.BILINEAR_PREMULTIPLYALPHA);
  this.mTextureRegionChinaShip = TextureRegionFactory.createTiledFromAsset(this.mTextureChinaShip, this, "shipchina1.png", 0, 0, 1, 1);
  this.mEngine.getTextureManager().loadTexture(this.mTextureChinaShip);

 }

 @Override
 public Scene onLoadScene() {

  this.mEngine.registerUpdateHandler(new FPSLogger());
  scene = new Scene();
  scene.setBackground(new ColorBackground(0.09804f, 0.6274f, 0.8784f));
  
  targetLLChinaShip = new LinkedList();
  TargetsToBeAddedChinaShip = new LinkedList();
  
  createSpriteSpawnTimeHandlerChinaship();

  return scene;
 }

 @Override
 public void onLoadComplete() {
  // TODO Auto-generated method stub

 }
 
 public void add_Chinaship() {
  Random rand = new Random();

  int minX = 5;
  int maxX = CAMERA_WIDTH - mTextureRegionChinaShip.getWidth();
  int rangeX = maxX - minX;
  int x = rand.nextInt(rangeX) + minX;
  int y = CAMERA_HEIGHT / 8;
  // -mTextureRegionChinaShip.getHeight();
  AnimatedSprite target = new AnimatedSprite(x, y, this.mTextureRegionChinaShip);
  target.animate(new long[] { 200, 200, 200 }, 0, 2, true);
  scene.attachChild(target);
  target.setScale(1f);
  
  int minDuration = 3;// tốc độ con vật bay chậm nhất
  int maxDuration = 5;// tốc độ con vật bay nhanh nhất
  int rangeDuration = maxDuration - minDuration;
  int actualDuration = rand.nextInt(rangeDuration) + minDuration;
  MoveYModifier mod = new MoveYModifier(actualDuration, target.getY(), CAMERA_HEIGHT);
  target.registerEntityModifier(mod);
  TargetsToBeAddedChinaShip.add(target);
 }
 
 private void createSpriteSpawnTimeHandlerChinaship() {
  TimerHandler spriteTimerHandler;

  float mEffectSpawnDelay = 2f;

  spriteTimerHandler = new TimerHandler(mEffectSpawnDelay, true, new ITimerCallback() {

   @Override
   public void onTimePassed(TimerHandler pTimerHandler) {
    add_Chinaship();
   }
  });
  getEngine().registerUpdateHandler(spriteTimerHandler);
 }

}