void main() {
vec2 uv = gl_FragCoord.xy/u_resolution.xy;
vec3 col = 0.5 + 0.5*cos(u_time+uv.xyx+vec3(0,2,4));
gl_FragColor = vec4(1.0,1.0,0.0,1.0);
}
     
     
     
     
//created by *** at shadergrounds.com