April 2021
Beginner to intermediate
506 pages
11h 57m
English
Content preview from Apple Game Frameworks and Technologies
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Set Position, Coordinates, and Anchor Points
When you add nodes to a scene and set their position, knowing how the coordinate system works in SpriteKit is key to avoiding frustration.
In SpriteKit, the bottom-left corner of the unit coordinate system is located at (x: 0, y: 0) and the top-right corner is located at (x: 1, y: 1), as shown in the following illustration:
When you position a sprite node, you need to consider its anchorPoint property, which defaults to (x: 0.5, y: 0.5).
Look at the sprite node in the following image; its position property is set to (x: 0, y: 0). Notice how changing the anchorPoint can affect the node’s position. ...
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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.
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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.