interpolate_bicubic
interpolate_bicubic(t, a, b, c, d) ⇒ number
Based on code from reddit https://www.reddit.com/r/javascript/comments/jxa8x/bicubic_interpolation/
Kind: global function
| Param | Type | Description |
|---|---|---|
| t | number | ratio |
| a | number | position -2 |
| b | number | position -1 |
| c | number | position +1 |
| d | number | position +2 |