#version 330 core
out vec4 FragColor;
in vec2 uv;
uniform vec2 WindowSize;
uniform float time;

float rand(vec2 co){
    return fract(sin(dot(co, vec2(12.9898, 78.233))) * 43758.5453);
}

void main() {
    float glob = rand(gl_FragCoord.xy / WindowSize + time);
    FragColor = vec4(glob * (sin(time)/2 + 0.5), glob, 1.0, 1.0); //vec4(gl_FragCoord.xy / WindowSize, 0.0, 1.0);
}