#version 330

out vec4 FragColor;

uniform float time;
uniform vec2 resolution;
uniform vec3 baseColor;



//A simple pseudo-random function
float random(vec2 st){
	return fract(sin(dot(st.xy, vec2(12.9898, 78.233))) * 43758.5853123);
}

void main(){
	vec2 uv = gl_FragCoord.xy / resolution.xy;

	//Create some noise
	float noise = random(uv + time * 0.5);

	//Adjust these values to control the intensity and color of the grain
	float grainIntensity = 0.01;

	//Mix the base color with the noise
	vec3 color = baseColor + vec3(noise * grainIntensity);

	FragColor = vec4(color, 1.0);
}