| Parameter | Description |
|---|---|
| pos | Input (x,y) coordinate. |
| per | The x and y period, where per.x is a positive integer and per.y is a positive even integer. |
| rot | Angle to rotate the gradients. |
float Noise value.
2-D tiling simplex noise with rotating gradients, but without the analytical derivative.
| Parameter | Description |
|---|---|
| pos | Input (x,y) coordinate. |
| per | The x and y period, where per.x is a positive integer and per.y is a positive even integer. |
float Noise value.
2-D tiling simplex noise with fixed gradients, without the analytical derivative.