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Welcome to Fractal Forums > Fractal Software > 3D Fractal Generation > shadertoy 3d peano?
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Author Topic: shadertoy 3d peano?  (Read 5969 times)
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DarkBeam
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Fragments of the fractal -like the tip of it
« on: March 05, 2015, 11:19:42 PM »
I always dreamed about this
http://demonstrations.wolfram.com/PeanoCurveIn3D/
Is this possible to reproduce in a simple shadertoy?
Without using an array! smiley
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eiffie
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« Reply #1 on: March 06, 2015, 05:23:39 PM »
Knighty did the 2d version and it looks like it could work similarly in 3d but beyond me. smiley
https://www.shadertoy.com/view/lss3Ds
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #2 on: March 07, 2015, 11:34:07 AM »
Ohhh thanks... I hope that he does know how to perform miracles smiley
Still convert those script to raw assembly seems to be hard cry

An interesting variation; http://demonstrations.wolfram.com/Lebesgue3DCurves/
« Last Edit: March 07, 2015, 12:31:03 PM by DarkBeam » Logged
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knighty
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« Reply #3 on: March 07, 2015, 07:47:47 PM »
I think it would be simpler in assembly (for you though). All that apparent complexity is due to trying to do bitwise operations with floats. The simplest is to use tables but they are so tiny they would fit in a single word.
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #4 on: March 07, 2015, 08:28:43 PM »
Quote from: knighty on March 07, 2015, 07:47:47 PM
I think it would be simpler in assembly (for you though). All that apparent complexity is due to trying to do bitwise operations with floats. The simplest is to use tables but they are so tiny they would fit in a single word.

Explain please? embarrass
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knighty
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« Reply #5 on: March 08, 2015, 01:04:56 PM »
Oops! that's what I was afraid of.  hurt
That have been a long time and I forgot the details. See the attached (and commented) fragmentarium shaders (with and without tables). See also this wiki.
* 2D-HilbertCurve.zip (3.71 KB - downloaded 176 times.)
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DarkBeam
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Fragments of the fractal -like the tip of it
« Reply #6 on: March 08, 2015, 04:31:44 PM »
Thank you cheesy
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