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Category Archives: Popular

Xna Color Charts

Written on June 16, 2009 at 12:23 pm, by

I saw Brandon’s Xna Color Chart linked on Twitter, and thought it’d be great if the colors were sorted based on hue and value, so I went ahead and made some variations: Large Boxes: Colors, by Name Colors, by Hue Colors, by Hue (bands) Colors, by Hue (luminance sorted) Small Boxes: Colors, by Name Colors,  Continue Reading »

Quadtree Code Design

Written on May 10, 2007 at 11:00 am, by

A short, post-final follow-up to my previous article about Quadtrees. Includes a nice animation showing how the nodes are structured. I’ve had some questions about my explanation of Quadtrees, and I must admit, the first time I made one, it was quite an undertaking. However, since I’ve been through 99% of a Computer Science degree,  Continue Reading »

QuadTree (Source Included)

Written on May 6, 2007 at 9:45 am, by

Enjoy this tutorial on Quadtrees, explaining how they work and why they’re useful for collision detection. Includes pictures and source code. Comments are highly appreciated. A Quadtree’s Purpose Your collision detection solution should operate at successively more accurate levels to be effective. Since each successive level is more accurate, deeper levels require more processing time.  Continue Reading »