You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
735 B
GLSL
33 lines
735 B
GLSL
// Author @patriciogv - 2015
|
|
// Title: Mosaic
|
|
|
|
#ifdef GL_ES
|
|
precision mediump float;
|
|
#endif
|
|
|
|
uniform vec2 u_resolution;
|
|
uniform vec2 u_mouse;
|
|
uniform float u_time;
|
|
|
|
float random (vec2 st) {
|
|
return fract(sin(dot(st.xy,
|
|
vec2(12.9898,78.233)))*
|
|
43758.5453123);
|
|
}
|
|
|
|
void main() {
|
|
vec2 st = gl_FragCoord.xy/u_resolution.xy;
|
|
|
|
st *= 10.0; // Scale the coordinate system by 10
|
|
vec2 ipos = floor(st); // get the integer coords
|
|
vec2 fpos = fract(st); // get the fractional coords
|
|
|
|
// Assign a random value based on the integer coord
|
|
vec3 color = vec3(random( ipos ));
|
|
|
|
// Uncomment to see the subdivided grid
|
|
// color = vec3(fpos,0.0);
|
|
|
|
gl_FragColor = vec4(color,1.0);
|
|
}
|