Shaders uploaded to this site can be shared publicly or made private.

UI items are automatically created for inputs, allowing you to interact with your ISF file.

Use a web-cam, static images, or uploaded GIFs as sources for image filters.

Browse, preview and download shaders from the online community.

ISF files can be created, viewed and shared online at the isf.video website.

Like most programming languages, if you enjoy command line text editors such as Vim, Emacs or Nano, these also work just fine for writing GLSL code.

You may also want to try out one of many great third party text editors such BBEdit, TextWrangler, TextMate, Sublime Text, Xcode and Atom which include syntax highlighting for GLSL.

If you use TextEdit on the Mac, make sure to use the 'Make Plain Text' option from the Format menu.

In a later chapter we will discuss optionally including a vertex shader, which use the '.vs' file extension, as part of an ISF composition.

Unless otherwise specified all of the examples in this book use only a single fragment shader file.

When saving documents make sure to use the '.fs' extension for fragment shaders.

You can write and edit shader files using most standard text editors. # Using a text editor Editing ISF composition in BBEdit. # Tools for creating, editing and publishing ISF compositionsįor the most part while reading this book you can use the provided code editing section, you may find it useful to work with one of the other available methods, as these will be the tools you will later use to write ISF compositions to load into other software or publish online.

How the compositions that we create for this book, or ones that you download from the web, can be used in different host software and environments.

The tools for creating and editing ISF compositions.

While an individual composition can be a lot of fun on its own, the real power of ISF comes from being able to include them as smaller re-usable elements in larger projects.

One of the key details of creating shaders in the ISF specification is that they can be used in host applications as generators, effects and transitions.

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