int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b;

[conchoid@mastodon.gamedev.place]

this serie is not quite as good as i hoped

[conchoid@mastodon.gamedev.place]

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[conchoid@mastodon.gamedev.place]

float x2 = cos(x+y) / (sqrt(2.0) + cos(y-x));
float y2 = sin(y-x) / (sqrt(2.0) + cos(y-x));
int a = int(floor(100.*x2));
int b = int(floor(100.*y2));
return (a^b) % 256;

[conchoid@mastodon.gamedev.place]

okay it is something

float x2 = cos(x)+y*cos(x/2.0)*cos(x);
float y2 = sin(x)+y*cos(y/2.0)*sin(y);
int a = int(floor(100.*x2));
int b = int(floor(100.*y2));
return (a^b) % 256;

[akkartik@merveilles.town]

@conchoid Very fun with multitouch!

[conchoid@mastodon.gamedev.place]

float x2 = cos(x)+y*sqrt(abs(x/2.0*cos(x)));
float y2 = sin(x)+y*sqrt(abs(x/2.0*cos(y)));
int a = int(floor(100.*x2));
int b = int(floor(100.*y2));
return (a|b) % 256;

[conchoid@mastodon.gamedev.place]

Warped Sierpinski with a|(b % 256)

[dsilverz@catodon.rocks]

@conchoid@mastodon.gamedev.place

Just out of curiosity, I tried this code of yours as a #Blender Z function surface. It looks quite great as a terrain generator, moreso than Simplex/Perlin noise.

[conchoid@mastodon.gamedev.place]

with threshold

[conchoid@mastodon.gamedev.place]

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[conchoid@mastodon.gamedev.place]

gcd(a%16, b%16)