Swift Playground Book with a series of augmented reality interactive experiments explaining AR graphics concepts such as vector algebra, plane detection and hit testing.

The book also features a AR implementation of Tejo, Colombia's national sport.

I'm Juan José Castro Varón, from Bogotá, Colombia. I also have a blog about interactive 3D graphics if you wanna check it out, at medium.com/@josecastrovaron 🌴

Here's a personal thank you to the people who made this possible:

• Thanks to Connor Wakamo, Grace Kendall, Thomas Goossens, Amaury Balliet, Anatole Duprat, Sébastien Métrot, Mike Buerli, Stefan Misslinger and Ross Dexter and all the other Apple engineers for their amazing sessions on past WWDCs, which helped me tremendously in making this Playground Book!
• Thanks to lughertexture.com and freepbr.com for their great texture files!
• Thanks to Mark Dawson's walkthroughs and Swift extensions, which got me up to speed on ARKit and SceneKit!
• Thanks to Avihay Assouline for his great post on Physically Based Rendering using SceneKit!
• Thanks to Simon Telezhkin for the wonderful palm tree model!
• Thanks to Wikipedia for their Tejo picture!