Three.js Post Processing Tutorial | Easy & Quick for Beginners (JavaScript)

Three.js  Post Processing Tutorial | Easy & Quick for Beginners (JavaScript)

In this project we're looking at Three.js post processing in a bit of detailing, starting with how post processing works in general, looking at some examples of how to do post fx by hand using an image editor, and finally diving into three.js's apis looking at classes like EffectComposer, RenderPass, and ShaderPass.

In this project we're looking at Three.js post processing in a bit of detailing, starting with how post processing works in general, looking at some examples of how to do post fx by hand using an image editor, and finally diving into three.js's apis looking at classes like EffectComposer, RenderPass, and ShaderPass. We'll walk through the code step by step, getting a few different post processing effects up and running, including both built-in ones and we'll touch on how to build your own using ShaderPass.

This is another in a series of Three.js beginner tutorials, aimed at helping you get setup right from the ground up. Since these are beginners courses, they're aimed at people with no background and assume very little prior experience. With each project, you should have a solid understand of both the code as well as the concepts involved, in this case being what the three.js post processing framework is capable of.

The three.js library is available in JavaScript for cross-browser 3d graphics, wrapping webgl and making high level functionality available in the web browser. It’s an extremely mature and well maintained library that I use for many of these videos.

In the video, we cover:

  • Post Processing, what is it, including examples from other forms of media.
  • Three.js API's like EffectComposer, RenderPass, ShaderPass, GlitchPass, and UnrealBloomPass
  • How to instantiate and use post-fx in JavaScript.

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