November 2019
Intermediate to advanced
404 pages
12h 9m
English
Content preview from Unity Game Optimization - Third Edition
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Avoiding complex Mesh Colliders
In order of collision detection efficiency, the various colliders are Spheres, Capsules, Boxes, Convex Mesh Colliders, and Concave Mesh Colliders, the last being far and away the most expensive. Collisions always involve pairs of objects, and the amount of work (math) needed to resolve the collision will depend on the complexity of both objects. Detecting collisions between two primitive objects can be reduced down to a relatively simple set of mathematical equations that are highly optimized. Performing comparisons against a pair of Convex Mesh Colliders is a much more complex equation, making them an order of magnitude more expensive than collisions between two primitives. Then, there are collisions between ...
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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.