Generative Art in Go
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Generative Art in Go

A creative guide

About the Book

Generative art is a unique form of artistic expression, building bridges between computer programming, randomness, and visual aesthetics. It has kept my imagination for over a decade. While I have never been particularly skilled at drawing, I have always been amazed by what one could achieve with a couple of lines of code.

This book will introduce readers to graphics programming in the Go programming language context through a series of concise examples. It will also guide them in implementing their version of one of my favorite generative art sketches. As a bonus, readers will learn how to turn their command-line sketches into interactive Web applications, using WebAssembly and Web technology's latest standards.

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About the Author

Preslav Rachev
Preslav Rachev

A seasoned software developer with about a decade of professional experience behind my back. My first real touch with programming dates about a decade further back. Throughout my career, I have had the chance to learn a lot, and I believe that the time has come for me to contribute my knowledge back to the developer community.

Table of Contents

  • Acknowledgments
  • 1 Introduction
    • 1.1 My Story
    • 1.2 What did you just pay for?
    • 1.3 Who is this for?
    • 1.4 Chapter Overview
  • 2 Generative Art: Definition and Origin
    • 2.1 History
    • 2.2 Processing and the new generation of artists
    • 2.3 Other tools worth mentioning
  • 3 Go and Graphics Programming
    • 3.1 Let’s Go!
    • 3.2 Limitations
    • 3.3 Graphics in Go
    • 3.4 Color
    • 3.5 Examples
    • 3.6 Additional Libraries
  • 4 Sketch Implementation
    • 4.1 The Algorithm
    • 4.2 Creating the Project
    • 4.3 The Sketch
    • 4.4 Load a source image from a file
    • 4.5 Save the output of an image to a file
    • 4.6 Setting up the Sketch instance
    • 4.7 Implementing the Update method
    • 4.8 Taking our sketch for a spin
    • 4.9 The final sketch code
  • 5 Bonus Chapter: Turning our sketch into an interactive Web application using WebAssembly
    • 5.1 Running Go code in the browser
    • 5.2 Creating a scaffold for our new sketch
    • 5.3 Loading a WASM binary in a Web application
    • 5.4 Re-implementing the sketch
  • Special Thanks and Credits
  • Notes

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