Allow us to click a block and then display the distance between it and the mouse pointer along an axis. The standard used for the measurement could be in "blocks" to avoid any metric/imperial confusion.

A simple and useful tool in both build and play modes with many uses. From comparing designs to online sheep lobbing competitions and the like. It's also the first tool most (sane) people pick up when building ridiculous death-machines irl.

Great game btw, keep up the good work