Archive for March, 2011

Some more shaders

Tuesday, March 22nd, 2011

Some more exploration with the fragment shader: All with the exact same code but with different shaders.

Videos on Vimeo

Luminous Liquid

Monday, March 21st, 2011

An exploration with the fragment shader: The color is simply calculated based on the normals yet the result creates a very surreal impression.

Video on Vimeo

OpenGL Shader Builder

Saturday, March 19th, 2011

I was wondering how to debug GLSL shaders as Xcode doesn’t report any errors or warnings but just to fails to run them, and I finally found the answer: OpenGL Shader Builder.
OpenGL Shader Builder is found in Developer/Applications/Graphic Tools along with some other openGL related tools.
Using this tool, shaders are immediately compiled as they are typed and the preview is updated in realtime. Detailed error reports are also available. This is exactly what I wanted. I’ll delve into the world of shaders from now on.

OpenGL Shader Builder User Guide

Shader on Openframeworks

Thursday, March 10th, 2011

Struggling for half an hour and finally got GLSL Shader to work on Openframeworks, yay!

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