Module layout 

Grid → world-space mapping. The board is centred on the origin; sim y grows downward (row 0 on top) while Bevy’s world y grows upward.

Modules

z

Z-layers, back to front.

Constants

TILE

Functions

creature_pos

World position of a creature progress subunits past the centre of tile, heading in dir.

dir_rotation

Rotation aligning a sprite authored facing +X with a sim direction.

nearest_tile

The tile whose centre is closest to a world position (clamped in-board).

tile_center