| sizes | An array of rectangle dimensions. |
| padding | Amount of padding to insert between adjacent rectangles in the atlas. |
| atlasSize | The size of the atlas. |
| results | If the function succeeds, Unity populates this with the packed rectangles. |
bool
Returns true if the function succeeds. Otherwise, returns false.
Packs a set of rectangles into a square atlas, with optional padding between rectangles.
Additional resources: PackTextures.