Computer Science Canada Raycasting |

Author: | Martin [ Tue Apr 08, 2003 5:45 pm ] |

Post subject: | Raycasting |

I'm not going to write a tutorial for it, because a) It's too long, and b) somebody already wrote an amazing tutorial on it. Here's the link, enjoy. http://www.permadi.com/tutorial/raycast/index.html Just a note on making this a bit easier. Sit down with a pen and paper (or pencil and paper, whatever) and work on proving all of the math. And then change it around so that it's a normal cartesian plane: y increases ^ | | | |_______>x increases Also, remember that 1/tanX = 1/sinX/cosX = cosX/sinX = cotX Just a tip to avoid divide 0 errors. Oh, and remember that TURING IS SLOW. Try to be as efficient as possible, even if it means that your graphics are a bit lacking. Goodluck P.S. His site has some other cool stuff too, check it out. |

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