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Mastering openFrameworks: Creative Coding Demystified by Denis Perevalov

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Additional topics

In this chapter, we introduced very basic topics on shaders with the main focus on 2D image processing. For further knowledge of shaders, we suggest the following topics:

  • 3D objects lighting using vertex and fragment shaders
  • Working with attributes, which is a powerful way for propagating various types of information from a vertex shader to a fragment shader.
  • Ping-Pong FBO method, which is used for some computations with the fragment shader, for example, particle physics simulation. See the corresponding openFrameworks example in the examples/gl/gpuParticleSystemExample folder.

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