Last active
February 17, 2021 10:40
-
-
Save gonnavis/6e1a58419e5835358122cb1526ece8e5 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// http://glslsandbox.com/e#61476.1 | |
float hash( float n ){ | |
return fract(sin(n)*1751.5453); | |
} | |
float hash1( vec2 p ){ | |
return fract(sin(p.x+131.1*p.y)*1751.5453); | |
} | |
vec3 hash3( float n ){ | |
return fract(sin(vec3(n,n+1.0,n+2.0))*vec3(43758.5453123,22578.1459123,19642.3490423)); | |
} | |
vec3 random3(vec3 c) { | |
float j = 4096.0*sin(dot(c,vec3(17.0, 59.4, 15.0))); | |
vec3 r; | |
r.z = fract(512.0*j); | |
j *= .125; | |
r.x = fract(512.0*j); | |
j *= .125; | |
r.y = fract(512.0*j); | |
return r-0.5; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment