Tomography: Sliced scan from top to down, make player understand the shape of structures

[boholder]

Player targets a block with crosshair, press Scan Key, then a configurable size cube-shaped range, which center point is where the player is pointing at, is formed.
Same as ReadCrosshair, use 13 different piano pitches to play sound at 13 different layers of blocks, top to down, ignore the Air block.

To understand what shape of structure the player is in, head down to the ground and perform a scan.

[boholder]

Not sure how to assign volume (or pitch? tone?) to one layer of blocks, for example we can play different tunes for different types of blocks.

Similar shape of structure will sounds close, for example I believe same type of trees will sound close, by remembering and distinguishing the sounds, player can tell different structures.