• June 23, 2021, 10:27:53 PM

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Feather InvertedFeatherThe Silver Space Port
Feather
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Description: Rendition of: https://www.shadertoy.com/view/3l2yDd  :yes:
Very interesting images of wildly different types can be coaxed from this equation.
Add in spherical inversion for a whole new world...

CPU ------------------------------------

control.isteps = 6
control.cx = 2.0
control.cy = 2.7
control.cz = 1.4
control.cw = 0.1
control.dx = 1.5
 
GPU -------------------------------------

float DE(float3 p, device Control &control) {
    float lp,r2,s = 1;
    float icy = 1.0 / control.cy;
    float3 p2,cy3 = float3(control.cy);

    for (int i=0; i<control.isteps; i++) {
        p -= control.cx * round(p / control.cx);
   
        p2 = pow(abs(p),cy3);
        lp = pow(p2.x + p2.y + p2.z, icy);
       
        r2 = control.dx / max( pow(lp,control.cz), control.cw);
        p *= r2;
        s *= r2;
    }

    return length(p)/s-.001;
}


Stats:
Views: 33
Total Favorities: 0 View Who Favorited
Filesize: 4.57MB
Height: 1052 Width: 2200
Keywords: stereo 
Posted by: kosalos April 02, 2021, 11:52:09 PM

Rating: ***** by 1 members.
Total Likes: 1

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