1 files changed, 48 insertions, 0 deletions
diff --git a/docs/examples/spacewar/Bullet.java b/docs/examples/spacewar/Bullet.java
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+/*
+
+Copyright (c) Xerox Corporation 1998-2002.  All rights reserved.
+
+Use and copying of this software and preparation of derivative works based
+upon this software are permitted.  Any distribution of this software or
+derivative works must comply with all applicable United States export control
+laws.
+
+This software is made available AS IS, and Xerox Corporation makes no warranty
+about the software, its performance or its conformity to any specification.
+
+|<---            this code is formatted to fit into 80 columns             --->|
+|<---            this code is formatted to fit into 80 columns             --->|
+|<---            this code is formatted to fit into 80 columns             --->|
+
+
+Bullet.java
+Part of the Spacewar game.
+
+*/
+
+package spacewar;
+
+class Bullet extends SpaceObject {
+
+    static private final int SIZE = 3;        //Can't be changed for now!!!
+    static private int LIFETIME = 50;
+
+    private int lifeLeft;
+
+    Bullet (Game theGame, double xP, double yP, double xV, double yV) {
+        super(theGame, xP, yP, xV, yV);
+        lifeLeft = LIFETIME;
+    }
+
+    int getSize() { return SIZE; }
+
+    void handleCollision(SpaceObject obj) {
+        die();
+    }
+
+    void clockTick() {
+        if (--lifeLeft == 0)
+            die();
+        super.clockTick();
+    }
+}