A 3D Mandelbrot twisting from power 3 to power 8 and back. The spikes are created by clamping the y component of the triplex complex numbers used in the algorithm.
Raytraced in a GLSL patch I have written for QuartzComposer. It animates at about 20 fps at 640x480 with simulated ambient occlusion and raytraced shadows.
Update: see the blog post for more info and downloads: subblue.com/blog/2009/12/13/mandelbulb
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