sprites: improve stealth sphere sprites
These ones shouldn't look as flat as the previous ones.
Before Width: | Height: | Size: 1.5 KiB After Width: | Height: | Size: 1.5 KiB |
Before Width: | Height: | Size: 1.5 KiB After Width: | Height: | Size: 1.5 KiB |
Before Width: | Height: | Size: 1.5 KiB After Width: | Height: | Size: 1.5 KiB |
Before Width: | Height: | Size: 1.5 KiB After Width: | Height: | Size: 1.5 KiB |