December 2010
Beginner
538 pages
15h 3m
English
Content preview from Learning XNA 4.0Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 12. 3D Collision Detection and Shooting
OK, here we go. Fasten your seatbelts; we’re coming to the final stretch. In the previous chapter, you built a flying camera and discussed differences between that and a land-based camera. Then, you took the code you’ve been building in this 3D section of the book and created a customized camera for your game. In this chapter, you’ll add some game logic and support for shooting and collision detection. We’ve got a lot to do, so let’s get to it.
This chapter picks up with the code that you finished with in Chapter 11. Open the 3D Game project and use it for the examples and walkthroughs in this chapter.
Tip
In the source code you’ve download for the book, you’ll find that Chapter 11 has two projects: Flying Camera, which holds the code for the 3D flying camera you created in the first portion of that chapter, and 3D Game, which holds the code for the stationary, customized camera you created in the second part of that chapter. Make sure you use the project called 3D Game for this chapter.
Creating a Moving Enemy
Right now, you have a customized camera that rotates in yaw and pitch directions while looking at a spinning spaceship. That’s pretty sweet, and you may be tempted to release your game now and see if you can pull some users away from World of Warcraft, making millions on monthly subscriptions. I’d caution you to take a step back for a minute, though, and realize that you still have some work to do before you get to that point.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.