Please forgive my partial knowledge of Ray Marching if this is wrong, but my best guesses at interpreting your explanation was that you use a constant amount of marching distance along the ray and count the number of times a ray is "inside" a fractal. Is this right or does it work in a different way?
Thanks for your interest.
Is not a constant amount, it's still based on distance estimation, then the calculated distance at each step is used for a brightness factor. I tried first with exponential smoothing of the values, just because I'm familiar with it, but then I used also the average, and I recently discover that just using the step count works in a similar way, wich is the same that the glow effect of the default renderer does (Syntopia, am I right?). But this renderer will not work like this on any fractal, it produces a flat shape with a Mandelbox, for example (with shades of gray if using an option I recently added to fade the far objects) - The secret is the fractal itself, as it's really a "surface" with no volume, so the ray is never "inside", but just near of it. Maybe the DE used helps also to produce this effect.
Btw, I'll be posting the script in minutes.
May 03, 2012, 01:28:52 AM
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