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  Checking the keyboard state inside an applet  (Read 1462 times)
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Offline ahar010

Junior Newbie




Java games rock!


« Posted 2003-12-28 20:30:21 »

Hi,

I'm trying to write a little space shooter game in a java applet to put on my website.

In previous games the action is a little more sedate and have had to worry about quick/exact responses from the keyboard. So have just add a KeyListener and checked for KeyPresses like below

public void keyPressed(KeyEvent e) {
   if (e.getKeyCode() == e.VK_KP_LEFT ||
       e.getKeyCode() == e.VK_LEFT) {

       ship.moveLeft();
   }
}

But for a fluid game i need something alot smarter Smiley I guess I'm looking for a way of checking the keyboard state or something, so i could poll the keyboard and see at any stage which keys are pressed. eg. Left arrow, Up arrow and the control key

Does anyone know an easyish way of getting this information from inside an applet? or can point me to somewhere that might have a bit of info on the topic.

Thanks

Andy
Offline oNyx

JGO Coder


Medals: 2


pixels! :x


« Reply #1 - Posted 2003-12-28 21:06:16 »

http://www.java-gaming.org/cgi-bin/JGNetForums/YaBB.cgi?board=2D;action=display;num=1065784010;start=8#8

Says it all Smiley

Btw the "&0xFF" thingy ensures that it stays within the array-bounds (only a handfull of keys like ä,ü,ö or other unusual letters have a higher KeyCode).

Edit:

Oh... and welcome to the board Smiley

弾幕 ☆ @mahonnaiseblog
Offline ahar010

Junior Newbie




Java games rock!


« Reply #2 - Posted 2003-12-28 21:20:03 »

Cool, thanks

I did do a search for "keyboard input" on the forums. I mustn't have checked that forums in the list to search.  Embarrassed

anyways thanks for doing my leg work hehe.

Games published by our own members! Check 'em out!
Legends of Yore - The Casual Retro Roguelike
Offline oNyx

JGO Coder


Medals: 2


pixels! :x


« Reply #3 - Posted 2003-12-28 22:17:55 »

Well, I'd known a better search phrase... I used "controls[" Grin

弾幕 ☆ @mahonnaiseblog
Offline Jeff

JGO Coder




Got any cats?


« Reply #4 - Posted 2003-12-31 20:57:45 »

The other option is to go to a Java Web Start application and use JInput Smiley

Got a question about Java and game programming?  Just new to the Java Game Development Community?  Try my FAQ.  Its likely you'll learn something!

http://wiki.java.net/bin/view/Games/JeffFAQ
Offline cfmdobbie

Senior Member


Medals: 1


Who, me?


« Reply #5 - Posted 2004-01-01 19:27:42 »

Quote
I did do a search for "keyboard input" on the forums. I mustn't have checked that forums in the list to search.  Embarrassed


Ah.  As default the search page only looks at the last week of posts - that's probably why you didn't find anything! Wink

Hellomynameis Charlie Dobbie.
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