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Great! the torpedo looks especially nice. I'm going to get a lot of use out of that technique for creating the graphic.

great job!

This is a very nice tutorial, it's a great application for the ones who are new to programming

It was my first visit to your blog, but I admire time and effort you put into it! I have enjoyed reading many of your articles, looks like you are a professional writer! Well done! James,

i am gonna make paper airplane, just like helicopter game in flash in which we must click n hold to avoid it from falling

Thanks for the above tutorial.

The post is written in very a good manner and it entails many useful information for me. I am happy to find your distinguished way of writing the post. Now you make it easy for me to understand and implement the concept. Thank you for the post.

thanks!!

Hello. And Bye.

i'm having a slight issue with the 'box' tab. when i try to run the program it tells me that there's and 'unexpected tooken: }' any idea what's going on?

"unexpected token" errors usually mean that you are mission a ";" at the end of a line

Hey Will, Some PDF viewers truncate the code in getBox on the comet and spaceship. The error is likely coming from those methods rather than the actual Box class.

I am working in your Processing 2:Creative Coding.

I am working in chapter 2. I completed the first exercise and the Kinect capture worked. When I added the code for the second exercise (code below) I get an error saying: Cannot find anything named "SimpleOpenNI.SKEL_PROFILE_ALL" if change the function to context.enableUser(); then I get an error saying: The function getUserPixels(int) does not exist. Can you tell me what is going wrong and how to fix it? Thanks, Stacy import SimpleOpenNI.*;

SimpleOpenNI context;

int player = -1;

void setup() { size( 640,480 ); context = new SimpleOpenNI( this ); context.setMirror( true ); context.enableDepth(); context.enableUser( SimpleOpenNI.SKEL_PROFILE_ALL ); }

void draw() { context.update(); image( context.depthImage(), 0, 0 );

loadPixels(); if ( player != -1 ) { int[] userPixels = context.getUsersPixels( player );

for( int p = 0; p < width * height; p++) {
  if ( userPixels[p] != 0 ) {
    pixels[p] = color( 0, green( pixels[p] ), 0 );    
  }
}

} updatePixels(); }

void onNewUser( int userId ) { println( "new user " + userId ); player = userId;
}

void onLostUser( int userId ) { println( "lost user " + userId ); if ( userId == player ) { player = -1; } }

This is a very nice tutorial. Got many useful tips and techniques for creating the graphic. This little processing tutorial shows how to write a great side scrolling space shooter. Games that can be made using your tutorial guide.

Hey Will, Some PDF viewers truncate the code in getBox on the comet and spaceship. The error is likely coming from those methods rather than the actual Box class.

Nice blog. Found this while searching through google

It must be five years since I discovered your page. Glad I did. Thank you for your efforts and sharing. It has been a great help. Regards.

I downloaded your processing tutorial. Your tutorial is the only one of its kind that covers essential Processing in a simplified form in a concise guide. Other tutorials/books that I have found make simple things very complicated, yet they do not move beyond the basics. Kudos. Great work. Your guide was an immense help. Thank you !

In the last comment, I meant your Processing e-book.