George Clingerman

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Cops And Robbers: An XNA framework game demo

I took the previous weekend and wrote a little game demo that showcases a motion blur technique that Shawn Hargreaves had written about in his blog. This game was a blast to make and came together pretty quickly. The background music was generously provided by one Mr. Nool and I hope to see more free content of this kind from him. He does some quality work!

I think one of my favorite things about this game was making the title screen. I really hadn't put this much work into a title screen before and I think it came together nicely. The animations and soundfx just came together exactly how I was seeing them in my head. Very cool, and I guess the rest of the game is ok....




You can download and check out the game from here. Enjoy!

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Print | posted on Sunday, September 9, 2007 8:36 PM | Filed Under [ XNA Development XNA ]

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# re: Cops And Robbers: An XNA framework game demo

More screenshots, more screenshots.
9/9/2007 9:46 PM | Jason Olson
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# re: Cops And Robbers: An XNA framework game demo

What version of Visual Studio and .Net do you need to compile it? My kid saw me looking at it and now he wants to play it :)
9/13/2007 1:57 PM | Andy
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# re: Cops And Robbers: An XNA framework game demo

Andy,

That's great! It's kind of a pain to setup the environment, but everything free and downloads pretty quick. Just follow the steps in this FAQ (http://forums.xna.com/thread/9928.aspx) and you'll be up and running in no time. The game plays with either an XBox 360 controller for your PC or with the keyboard (I think I listed the controls on my site and what they do).

Let me know how he likes it!
9/13/2007 2:25 PM | George Clingerman
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# re: Cops And Robbers: An XNA framework game demo

Hi there. I looked at your Cops and Robbers demo and I'm wondering how you did the blur effect. From what I understand, you used the technique described by Shawn Hargreaves and I looked at how he described the technique.

I opened up your source files and looked around, finding the backbufferformat code, but I do not know how to pull out the feedback texture.

I currently just want to test the blur effect, but I do not know how to implement it. Different tutorials give different techniques, but this technique seems the simplest.

Right now, I have a rotating soccer ball that I want to blur as it rotates. I do not know how to use SurfaceFormat to create the backbuffer. I've tried using relevant code in your own source, but you've used things from multiple classes and methods that I'm not sure where to begin analyzing the code.

If you could offer any help, I would be greatly appreciative.

Thank you.
10/23/2007 10:14 AM | Andrew Chan
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# re: Cops And Robbers: An XNA framework game demo

This games are really nice, could you try to do a scene of a platform game or could it be very difficult? Thank you!!
1/15/2008 6:44 AM | Laguna Lore
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# re: Cops And Robbers: An XNA framework game demo

By the way, have you tried this game in XNA 2.0? I have tried and I get a lot of errors, which are the functions that come instead of what you used in the version for XNA 1.0?
1/15/2008 7:11 AM | Laguna Lore
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# re: Cops And Robbers: An XNA framework game demo

hello.....your tutorials really help me a lot......i been looking forward to your works....will you create some games...like bomberman.....hehe.....my nephew really love it.....i hope you will!!!!tnxxxxxxx




GREAT JOB....
7/3/2009 5:12 AM | June ERroz
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# re: Cops And Robbers: An XNA framework game demo

Thank you VERY much! I couldn't quite figure out the motion blur from Shawn Hargreaves article.
9/22/2010 9:51 PM | Daniel Hoctor
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# re: Cops And Robbers: An XNA framework game demo

That’s a really innovative and coo looking window they designed to show off! It’s amazing at what you can come up with when you partner with another powerhouse company. I bet it helped keep the sales up even though the economy isn’t back in full-swing yet.
5/16/2011 7:53 AM | asthma cure
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# re: Cops And Robbers: An XNA framework game demo

I have been intending to create my personal weblog since a long time, in many ways your website motivates me a whole lot. Would you let me know just how did you get started out with starting a blog?
5/24/2011 6:09 AM | custom card decks
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# re: Cops And Robbers: An XNA framework game demo

There are plenty of information about this topic in the net & some are definitely better than others.
Lintels
8/21/2011 7:46 AM | hunny
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# re: Cops And Robbers: An XNA framework game demo

Hi all,
I took the previous weekend and wrote a little game demo that showcases a motion blur technique that Shawn Hargreaves had written about in his blog....
12/2/2011 1:33 AM | cheltenham gym
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# re: Cops And Robbers: An XNA framework game demo

very nice work congrat!! i am newbie in game develop and knowledge of c#,i have a little knowledge of assembly language , but i ve tried to take a look to this game projiect CopsandRobber and once inserted it in Visual C#2010
compiler i have obtained a x86 release bin-file working perfectly in my system (i 've tried it on Xp-home-edition 32 bit sp3 fully updated). My problem is that i cannot see or play Audio for this game. Am i blind ? i scroll ed trough the code very nicely commented:) with //(great!!) and saw XnaAct for audio but no section in code.May u point me in right direction to have sounds in this game? Tvm :) sry for my enlgish not quite right.hope it s understandable.tx have a great day. Enrico /italy
10/3/2012 4:46 PM | Enrico /italy
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