Adding noise3d support

e.g.

```js
 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;
  }
```