Adding noise3d support #8
Description
e.g.
function noise3D(x, y, z, out) {
out[0] = random.noise3(x, y, z);
out[1] = random.noise3(y - 19.1, z + 33.4, x + 47.2);
out[2] = random.noise3(z + 74.2, x - 124.5, y + 99.4);
return out;
}