Equation used for generation:
$$ e = \text{noise}([nx \times \text{scale},\ ny \times \text{scale}]) \\ nx = \frac{x}{\text{size}} - 0.5,\quad ny = \frac{y}{\text{size}} - 0.5 \\ e = \frac{e + 1}{2} $$
Equation used for generation:
$$ e = \text{noise}([nx \times \text{scale},\ ny \times \text{scale}]) \\ nx = \frac{x}{\text{size}} - 0.5,\quad ny = \frac{y}{\text{size}} - 0.5 \\ e = \frac{e + 1}{2} $$