September 2018
Intermediate to advanced
434 pages
8h 47m
English
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Fine-tuning gravity
Before we test out our new flying code, we need to make one adjustment. The default gravity setting of 9.8 feels too real. Pierre lives in a cartoon world; real-world gravity is a bit of a drag. We can adjust gravity in the GameScene class; add this line at the bottom of the didMove function:
// Set gravity self.physicsWorld.gravity = CGVector(dx: 0, dy: -5)
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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.