Programming Resources
For Fun and Learning
Charles Cusack
Computer Science
Hope College
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Python
C++

JAVA


PHP
SQL
Alice

TargetGame


Description

Run it
Download jar file (Right click)

ABullet.java
AClip.java
AClipGun.java
ATarget.java
AppletStarter.java
BulletTimer.java
GameTimer.java
LSBullet.java
LSClip.java
LSGun.java
ResetButton.java
TargetGame.java
TargetTimer.java

AClipGun.java

//-----------------------------------------------------------------------------
// Class:  	AClipGun
// Author:	Written by Chuck Cusack
// Date: 	September 2001
// Description: A class to simulate a gun which takes a clip.  No graphics
//	are implemented. The class should be extended to implement the graphics.
//-----------------------------------------------------------------------------
import java.awt.*;
import aLibrary.*;
import java.awt.event.*;
//-----------------------------------------------------------------------------

public abstract class AClipGun extends AView{

//-----------------------------------------------------------------------------
// instance variables
      protected AClip myClip;   // The clip
      private TargetGame myTargetGame; // the controlling director
//-----------------------------------------------------------------------------
// The constructor
// Postcondition: myClip==null, myTargetGame==D, an empty picture is created.
// 	Graphics aren't drawn unless the class is extended
//
  public AClipGun(int x,int y,int width,int height,TargetGame D) {
      super(x,y,width,height);
      myTargetGame=D;
      myClip=null;
      drawGun();
  }

//-----------------------------------------------------------------------------
// Implement the following in an extension if you desire to display the
// gun graphically
//
  protected void drawGun() {}
  protected void drawClipInGun(AClip theClip) {}
  protected void drawClipNotInGun() {}

//-----------------------------------------------------------------------------
// Postcondition: myClip==theClip, and the clip is drawn in the gun if the
// 	class is extended and the function is implemented
//
  public void insertClip(AClip theClip) {
      if(myClip==null) {
          myClip=theClip;
          myClip.setMyGun(this);
          drawClipInGun(theClip);
      }
  }

//-----------------------------------------------------------------------------
// returns myClip
// PostCondition: myClip==null, and the clip is not shown in the gun if the
//	class is extended and the function is implmented.
//
  public AClip removeClip() {
      if(myClip!=null) {
          drawClipNotInGun();
          myClip.setMyGun(null);
          AClip temp=myClip;
          myClip=null;
          return temp;
      }
      else {
          return null;
     }
  }
//-----------------------------------------------------------------------------
// If the clip is in the gun, and the clip has bullets, fire the most recently
// placed bullet.  Graphically shown if the appropriate function is defined
// in an extension of ABullet.
//
  public void fire() {
      if(myClip==null) {
          System.out.println("No Clip");
        }
      else  if(myClip.isEmpty()) {
          System.out.println("No Bullets");
      }
      else {
          System.out.println("Firing");
          myTargetGame.bulletFired();
          ABullet aBullet=myClip.removeBullet();
          aBullet.setLocation(this.getX()+150,this.getY()+7);
          aBullet.place(this.getParent());
          aBullet.drawBulletFiring(myTargetGame);

          System.out.println("Done Firing");
        }
  }
//-----------------------------------------------------------------------------
// return true if the gun has a clip in it, and false otherwise.
//
  public boolean hasClip() {
      return (myClip!=null);
  }
}
//-----------------------------------------------------------------------------