Android Open Source - SCBIO-OneButtonLarry Run Stop Stage

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License

The source code is released under:

MIT License

Java Source Code

package org.scbio.onebuttonlarry.stage;
//from  ww  w. j  a  v  a2  s.  c o  m
import org.scbio.onebuttonlarry.R;
import org.scbio.onebuttonlarry.game.GameStage;
import org.scbio.onebuttonlarry.game.GameView;
import org.scbio.onebuttonlarry.game.Larry;
import org.scbio.onebuttonlarry.game.Sprite;

import android.content.Context;
import android.graphics.Canvas;
import android.media.AudioManager;
import android.media.SoundPool;
import android.view.View;

public class RunStopStage extends GameStage {

  /*
   * Stage map constants.
   */
  private static final int BG_RES = R.drawable.stagebg_runstop;
  private static final float Y_GROUND = 0.626f;
  private static final float Y_CEILING = 0.28f;

  private GameView parent;
  private StopLarry larry;
  private Arrow arrow1;
  private Arrow arrow2;
  private Arrow arrow3;

  public RunStopStage(Context context, GameView parent) {  
    this.parent = parent;

    larry = new StopLarry(context, parent, 0.1f);
    arrow1 = new Arrow(context, parent);
    arrow2 = new Arrow(context, parent);
    arrow3 = new Arrow(context, parent);

    restartStage();
    this.setStageBackground(BG_RES);
  }

  @Override
  public void onDrawStage(Canvas canvas) {
    larry.drawSprite(canvas);
    arrow1.drawSprite(canvas);
    arrow2.drawSprite(canvas);
    arrow3.drawSprite(canvas);
  }

  @Override
  public void onSizeChanged(int w, int h, int oldw, int oldh) {
    restartStage();
  }

  /*
   * Called when user touches the GameView
   */
  @Override
  protected void onTap() {    
    if(!larry.isStopped()) larry.doAction();
  }

  /*
   * Called by game update thread 
   */

  @Override
  protected void updatePhysics(double delay) {
    larry.updateLarry(delay);
    
    arrow1.updateArrowState(larry);
    arrow2.updateArrowState(larry);
    arrow3.updateArrowState(larry);
      
    larry.updateWaiting(delay);
    
    // Update positions for every sprite.
    larry.incPos(delay);
    arrow1.incPos(delay);
    arrow2.incPos(delay);
    arrow3.incPos(delay);
 
    if(larry.getPosX() > parent.getWidth()-larry.getWidth()/2) finishStage();
  }
  
  @Override
  protected void restartStage(){
    larry.setPos(-larry.getWidth()/2, Y_GROUND*parent.getHeight());
    arrow1.setPos(0.2*parent.getWidth(), Y_CEILING*parent.getHeight());
    arrow2.setPos(0.55*parent.getWidth(), Y_CEILING*parent.getHeight());
    arrow3.setPos(0.8*parent.getWidth(), Y_CEILING*parent.getHeight());
    larry.setIncX(StopLarry.LARRY_REGSPEED);
    arrow1.setIncY(0);
    arrow2.setIncY(0);
    arrow3.setIncY(0);
    
    arrow1.fall = false;
    arrow2.fall = false;
    arrow3.fall = false;
  }
  
  private class StopLarry extends Larry{

    /*
     * Larry constants.
     */
    public static final int LARRY_WAITNGTIME = 20;
    public static final int LARRY_REGSPEED = 6;
    
    private SoundPool mSoundPool;
    private int deathSound;
    
    private boolean stop = false;
    private int waiting = 0;
    
    /*
     * Constructors
     */
    public StopLarry(Context context, View view, float scale) {
      super(context, view, scale);
      mSoundPool = new SoundPool(2, AudioManager.STREAM_MUSIC , 0);
      deathSound = mSoundPool.load(context, LARRY_SOUND_DIE, 1);
    }
    public StopLarry(Context context, View view) {
      super(context, view);
      mSoundPool = new SoundPool(2, AudioManager.STREAM_MUSIC , 0);
      deathSound = mSoundPool.load(context, LARRY_SOUND_DIE, 1);
    }

    @Override
    protected void doAction() {
      this.stop = true;
      this.setIncX(0);
    }

    public boolean isStopped(){
      return this.stop;
    }
    
    public void updateWaiting(double delay)
    {  
      if(this.isStopped())
      {
        this.waiting += delay;
        
        if(this.waiting >= StopLarry.LARRY_WAITNGTIME){
          this.resume();
        }
      }
    }
    
    public void resume(){
      this.stop = false;
      this.waiting = 0;
      this.setIncX(StopLarry.LARRY_REGSPEED);
    }
    
    protected void kill(){
      if(parent.areGameSoundEffectsEnabled()) 
        mSoundPool.play(deathSound, 1, 1, 1, 0, 1);
    }

  }

  public class Arrow extends Sprite {

    // Resource names
    private static final int ARROW = R.drawable.arrow;

    public static final double ARROW_FALLSPEEDY = 21;
    private static final float ARROW_PROX = 0.06f;

    private boolean fall = false;

    /*
     * Constructors
     */
    public Arrow(Context context, View view, float scale) {
      super(view, context.getResources().getDrawable(ARROW), scale);
    }
    public Arrow(Context context, View view) {
      super(view, context.getResources().getDrawable(ARROW));
    }

    public boolean isFalling(){
      return fall;
    }
    
    public void updateArrowState(StopLarry larry){
      if(!this.isFalling())
      {
        this.startFalling(larry);
      }else{
        if(this.getPosY() > Y_GROUND*parent.getHeight()+this.getHeight()) {
          this.fall = false;
        }else if(this.distance(larry) < this.getWidth()){
          larry.kill();
          restartStage();
        }
      }
    }
    
    public void startFalling(StopLarry larry)
    {  
      float distX = (float) (this.getPosX() - larry.getPosX())/parent.getWidth();
      if(distX < Arrow.ARROW_PROX){
        this.fall = true;
        this.setIncY(Arrow.ARROW_FALLSPEEDY);
      }
    }

  }

}

Java Source Code List

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