Android Open Source - SCBIO-OneButtonLarry Rock Stage

• Back to Game/project  ↑

From Project

Back to project page SCBIO-OneButtonLarry.

License

The source code is released under:

MIT License

Java Source Code

package org.scbio.onebuttonlarry.stage;
//from w w w.  ja  va2  s.  co  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 RockStage extends GameStage {

  /*
   * Stage map constants.
   */
  private static final int BG_RES = R.drawable.stagebg_runstop;
  private static final float LARRY_GROUND_Y = 0.626f;
  private static final float STONE_GROUND_Y = 0.51f;

  private GameView parent;
  private RunLarry larry;
  private Rock stone;

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

    larry = new RunLarry(context, parent, 0.1f);
    this.stone = new Rock(context, parent);    
    
    restartStage();
    
    this.setStageBackground(BG_RES);
  }
    
  @Override
  public void onDrawStage(Canvas canvas) {
    larry.drawSprite(canvas);
    stone.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() {    
    larry.doAction(); // Accelerate Larry
  }
  
  /*
   * Called by game update thread 
   */
  
  @Override
  protected void updatePhysics(double delay) {
    larry.updateLarry(delay);
    stone.updateRock();

    
    if(larry.distance(stone) < Rock.KILL_DISTN*parent.getWidth())
    {
      larry.kill();
      restartStage();
    }
    
    larry.incPos(delay);
    stone.incPos(delay);
    
    if(larry.getPosX() > parent.getWidth()-larry.getWidth()/2) finishStage();
  }
  
  @Override
  protected void restartStage() 
  {
    larry.setPos(stone.getWidth() + larry.getWidth(), LARRY_GROUND_Y*parent.getHeight());
    larry.setIncX(RunLarry.LARRY_STARTSPEED*parent.getWidth()); 
    larry.setIncY(0);
    
    stone.setPos(-stone.getWidth()/10, STONE_GROUND_Y*parent.getHeight());
    stone.setIncX(Rock.ROCK_SPEED*parent.getWidth());
    stone.setIncY(0);
  }


  private class RunLarry extends Larry{
    
    /*
     * Larry constants.
     */
    public static final float LARRY_STARTSPEED = 0.00234f;
    public static final float LARRY_MAXVEL = 0.0086f;
    public static final float LARRY_ACCEL = 0.0004f;
    private SoundPool mSoundPool;
        
    private int deathSound;
      
    public RunLarry(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);
    }
    
    /*
     * Accelerate Larry
     */
    @Override
    protected void doAction() { 
      if(this.getIncX() < RunLarry.LARRY_MAXVEL*parent.getWidth()){
        this.setIncX(this.getIncX()+ parent.getWidth()*LARRY_ACCEL);
      }
    }
    
    protected void kill(){
      if(parent.areGameSoundEffectsEnabled()) mSoundPool.play(deathSound, 1, 1, 1, 0, 1);
    }
  }


  public class Rock extends Sprite {
    public static final float ROCK_SPEED = 0.0055f;
    public static final float ROCK_ACCEL = 0.00004f;
    public static final float KILL_DISTN = 0.117f;

    // Resource names
    private static final int STONE_SPRITE = R.drawable.stone;
    
    public Rock(Context context, View view) {
      super(view, context.getResources().getDrawable(STONE_SPRITE));
    }
    public Rock(Context context, View view, float scale) {
      super(view, context.getResources().getDrawable(STONE_SPRITE), scale);
    }
    
    public void updateRock(){
      stone.setIncX(stone.getIncX() + ROCK_ACCEL*parent.getWidth());
    }
    
  }
}

Java Source Code List

• Back to Game/project  ↑