March 2017
Intermediate to advanced
480 pages
11h 3m
English
Content preview from Game Physics Cookbook
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Raycast Sphere
Given a ray with origin o, indirection d and a sphere with origin c and radius r; we want to check if the ray ever intersects the sphere:
If the ray intersects the sphere, this intersection will happen at some distance along the ray. Within the context of ray casting, we often assume it takes one second to travel one unit along the ray. Because of this, distance and time are often used interchangeably.
Because of this ambiguity with the vocabulary, many resources might say that the ray intersects the sphere at some time, t. If the ray does not intersect the sphere, t is undefined.
Getting ready
We are going to implement a function to ...
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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.