mirror of
https://github.com/patriciogonzalezvivo/thebookofshaders
synced 2024-11-09 19:10:24 +00:00
31 lines
751 B
GLSL
31 lines
751 B
GLSL
|
// By Camila Gernhardt Nakamura ( camilanakamura.com )
|
||
|
|
// For Shader Studio Course https://github.com/patriciogonzalezvivo/ss2015
|
||
|
|
|
||
|
|
#ifdef GL_ES
|
||
|
|
precision mediump float;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
uniform vec2 u_resolution;
|
||
|
|
uniform vec2 u_mouse;
|
||
|
|
uniform float u_time;
|
||
|
|
|
||
|
|
|
||
|
|
// gestalt!! star and flower :)
|
||
|
|
// unintentionally it goes with the beat of this song https://www.youtube.com/watch?v=ggiyRLrH4AA
|
||
|
|
|
||
|
|
void main(){
|
||
|
|
vec2 st = gl_FragCoord.xy/u_resolution.xy;
|
||
|
|
|
||
|
|
vec3 color = vec3(0.0);
|
||
|
|
|
||
|
|
vec2 pos = (vec2(0.5)-st);
|
||
|
|
|
||
|
|
float r = length(pos)*3.0;
|
||
|
|
float a = atan(pos.y,pos.x);
|
||
|
|
|
||
|
|
float f = smoothstep(-.5,1., (cos(a*10.))*0.2*10.)+0.5 * (0.5- sin(a*5.)) * fract(u_time);
|
||
|
|
|
||
|
|
color = vec3( 1.-smoothstep(f,f+0.02,r) );
|
||
|
|
|
||
|
|
gl_FragColor = vec4(color, 1.0);
|
||
|
|
}
|