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

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Wed, 20 May 2026 14:38:08 GMT

conchoid@mastodon.gamedev.place — Wed, 20 May 2026 14:38:08 GMT

gcd(a%16, b%16)

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Tue, 19 May 2026 17:49:16 GMT

conchoid@mastodon.gamedev.place — Tue, 19 May 2026 17:49:16 GMT

This post did not contain any content.

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Tue, 19 May 2026 17:46:38 GMT

conchoid@mastodon.gamedev.place — Tue, 19 May 2026 17:46:38 GMT

with threshold

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Tue, 19 May 2026 17:01:54 GMT

dsilverz@catodon.rocks — Tue, 19 May 2026 17:01:54 GMT

@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.

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Tue, 19 May 2026 16:38:19 GMT

conchoid@mastodon.gamedev.place — Tue, 19 May 2026 16:38:19 GMT

Warped Sierpinski with a|(b % 256)

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Tue, 19 May 2026 16:28:00 GMT

conchoid@mastodon.gamedev.place — Tue, 19 May 2026 16:28:00 GMT

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;

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Sat, 16 May 2026 23:04:58 GMT

akkartik@merveilles.town — Sat, 16 May 2026 23:04:58 GMT

@conchoid Very fun with multitouch!

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Sat, 16 May 2026 18:03:52 GMT

conchoid@mastodon.gamedev.place — Sat, 16 May 2026 18:03:52 GMT

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;

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Sat, 16 May 2026 17:59:12 GMT

conchoid@mastodon.gamedev.place — Sat, 16 May 2026 17:59:12 GMT

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;

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Sat, 16 May 2026 17:52:22 GMT

conchoid@mastodon.gamedev.place — Sat, 16 May 2026 17:52:22 GMT

This post did not contain any content.

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Sat, 16 May 2026 17:50:44 GMT

conchoid@mastodon.gamedev.place — Sat, 16 May 2026 17:50:44 GMT

this serie is not quite as good as i hoped

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Sat, 16 May 2026 17:47:27 GMT

conchoid@mastodon.gamedev.place — Sat, 16 May 2026 17:47:27 GMT

a bit of sinh

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Mon, 11 May 2026 17:19:04 GMT

conchoid@mastodon.gamedev.place — Mon, 11 May 2026 17:19:04 GMT

(a+(a | b)+b) ^ a ^ b;

Reply to int a = int(floor(20.sin(x/10.)));int b = int(floor(20.sin(y/10.)));return (aa | ba) ^ a ^ b; on Mon, 11 May 2026 17:16:08 GMT

conchoid@mastodon.gamedev.place — Mon, 11 May 2026 17:16:08 GMT

I meant (a*a | b*b) but that is not that interesting, happy accident

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

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Wed, 20 May 2026 14:38:08 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Tue, 19 May 2026 17:49:16 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Tue, 19 May 2026 17:46:38 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Tue, 19 May 2026 17:01:54 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Tue, 19 May 2026 16:38:19 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Tue, 19 May 2026 16:28:00 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Sat, 16 May 2026 23:04:58 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Sat, 16 May 2026 18:03:52 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Sat, 16 May 2026 17:59:12 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Sat, 16 May 2026 17:52:22 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Sat, 16 May 2026 17:50:44 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Sat, 16 May 2026 17:47:27 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Mon, 11 May 2026 17:19:04 GMT

Reply to int a = int(floor(20.*sin(x/10.)));int b = int(floor(20.*sin(y/10.)));return (a*a | b*a) ^ a ^ b; on Mon, 11 May 2026 17:16:08 GMT