March 2017
Intermediate to advanced
480 pages
11h 3m
English
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Physics system
It is finally time to start implementing a basic Physics Engine. By the end of this chapter we will have particles flying around the screen in a physically realistic way. Before we start implementing our physics simulation, let's take a minute to discuss what we will be simulating, the rigidbody.
A rigidbody is an object that does not change its shape, the object is rigid. Think about dropping a ball filled with air on the ground. At the point of impact the ball would squash, and then it would stretch as it bounces back up. This ball is not rigid; it changes shape (but not volume), which allows it to bounce. Now imagine a ball of solid steel being dropped. It would not change in shape or volume, but it would not bounce either.
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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.