Function get_largest_rectangle_around 

pub fn get_largest_rectangle_around(
    center: BlockPos,
    axis1: Axis,
    limit1: i32,
    axis2: Axis,
    limit2: i32,
    test: impl Fn(BlockPos) -> bool,
) -> FoundRectangle

Finds the largest axis-aligned rectangle of positions matching test that contains center, scanning outward up to the given limits.

Panics

Panics if either scan limit is negative.