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.
27 lines
529 B
GLSL
27 lines
529 B
GLSL
// Author @patriciogv - 2015
|
|
// http://patriciogonzalezvivo.com
|
|
|
|
#ifdef GL_ES
|
|
precision mediump float;
|
|
#endif
|
|
|
|
uniform vec2 u_resolution;
|
|
uniform vec2 u_mouse;
|
|
uniform float u_time;
|
|
|
|
void main(){
|
|
vec2 st = gl_FragCoord.xy/u_resolution.xy;
|
|
vec3 color = vec3(0.0);
|
|
|
|
// Right & Bottom
|
|
vec2 rgBt = step(vec2(0.1),st);
|
|
float pct = rgBt.x * rgBt.y;
|
|
|
|
// Left & top
|
|
// vec2 lfTp = step(vec2(0.1),1.0-st);
|
|
// pct *= lfTp.x * lfTp.y;
|
|
|
|
color = vec3(pct);
|
|
|
|
gl_FragColor = vec4(color,1.0);
|
|
} |