ItsVerday

// How far points in grid cells can go from the center of the grid cell. Setting this to a value above 0.5 will make the noise discontinuous, and there will be visible seams.
// It is reccomended to leave this at 0.3.
const float CLOVER_NOISE_2D_POINT_SPREAD = .3;

// The value of pi. Used in the offset function.
const float CLOVER_NOISE_2D_PI = radians(180.);

// Hashes a 2D vector into a point. It isn't 100% random, but it's good enough for clover noise to appear random.
float clover_noise_2d_hash(vec2 p) {
    return fract(1e4 * sin(17.0 * p.x + p.y * 0.1) * (0.1 + abs(sin(p.y * 13.0 + p.x))));