The earlier coords (24,7), (28,7), (12,13) in FG_Grasslands_Spring.png are
autotile interior pieces — clipping their 16×16 windows produces sprites that
visibly continue beyond the tile edge, betraying the autotile cluster they
were cut from.
Replace with six clean single-tile boulders from the rock band (x=16..29 at
y=3 and y=5). Each has a green margin on all four edges, so they read as
proper standalone rocks. Two color families (brown + gray) × three sizes
(round / peaked / squat) gives more visual variety than before too.
Multi-tile big-boulder formations at (22..23, 3..4) brown and (30..31, 3..4)
gray are noted in the comment for a future BigRock entity.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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