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JSAMPLES.Z
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MouseTrack.java
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1998-05-08
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/*
* @(#)MouseTrack.java 1.2 96/12/06
*
* Copyright (c) 1994-1996 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
import java.awt.Graphics;
import java.lang.Math;
public class MouseTrack extends java.applet.Applet {
int mx, my;
int onaroll;
public void init() {
onaroll = 0;
resize(500, 500);
}
public void paint(Graphics g) {
g.drawRect(0, 0, size().width - 1, size().height - 1);
mx = (int)(Math.random()*1000) % (size().width - (size().width/10));
my = (int)(Math.random()*1000) % (size().height - (size().height/10));
g.drawRect(mx, my, (size().width/10) - 1, (size().height/10) - 1);
}
/*
* Mouse methods
*/
public boolean mouseDown(java.awt.Event evt, int x, int y) {
requestFocus();
if((mx < x && x < mx+size().width/10-1) && (my < y && y < my+size().height/10-1)) {
if(onaroll > 0) {
switch(onaroll%4) {
case 0:
play(getCodeBase(), "sounds/tiptoe.thru.the.tulips.au");
break;
case 1:
play(getCodeBase(), "sounds/danger,danger...!.au");
break;
case 2:
play(getCodeBase(), "sounds/adapt-or-die.au");
break;
case 3:
play(getCodeBase(), "sounds/cannot.be.completed.au");
break;
}
onaroll++;
if(onaroll > 5)
getAppletContext().showStatus("You're on your way to THE HALL OF FAME:"
+ onaroll + "Hits!");
else
getAppletContext().showStatus("YOU'RE ON A ROLL:" + onaroll + "Hits!");
}
else {
getAppletContext().showStatus("HIT IT AGAIN! AGAIN!");
play(getCodeBase(), "sounds/that.hurts.au");
onaroll = 1;
}
}
else {
getAppletContext().showStatus("You hit nothing at (" + x + ", " + y + "), exactly\n");
play(getCodeBase(), "sounds/thin.bell.au");
onaroll = 0;
}
repaint();
return true;
}
public boolean mouseMove(java.awt.Event evt, int x, int y) {
if((x % 3 == 0) && (y % 3 == 0))
repaint();
return true;
}
public void mouseEnter() {
repaint();
}
public void mouseExit() {
onaroll = 0;
repaint();
}
/**
* Focus methods
*/
public void keyDown(int key) {
requestFocus();
onaroll = 0;
play(getCodeBase(), "sounds/ip.au");
}
}