Updates to ToyShader

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Over the last few weeks, I’ve added new shaders to ToyShader. Among the most impressive ones is an interactive 3D-fractal. This shader implements the typical iterative term z = z² + c, but with quaternions instead of the usual complex numbers. Since quaternions are 4-dimensional vectors, one has to cut a 3D-“slice” out of the 4D-body in order to get something meaningful to the screen. Tweak the components of c and you will get different 3D-slices. That’s what’s making this funky animation possible… apart from moving the camera around with…read more