generative_voronoise.frag

#ifdef GL_ES
precision mediump float;
#endif

uniform vec2    u_resolution;
uniform float   u_time;

#include "lygia/generative/voronoise.glsl"

void main(void) {
    vec4 color = vec4(vec3(0.0), 1.0);
    vec2 pixel = 1.0/u_resolution.xy;
    vec2 st = gl_FragCoord.xy * pixel;
    
    vec2 p = 0.5 - 0.5*cos( u_time *vec2(1.0,0.5) );
    
	// if( iMouse.w>0.001 ) p = vec2(0.0,1.0) + vec2(1.0,-1.0)*iMouse.xy/iResolution.xy;
	
	p = p*p*(3.0-2.0*p);
	p = p*p*(3.0-2.0*p);
	p = p*p*(3.0-2.0*p);
	
	float f = voronoise( vec3(24.0*st, u_time), p.x, 1. );
	
	color += f;

    gl_FragColor = color;
}