rtree

type RTree interface {
	// Search will perform an intersection search of the given
	// rectangle and return any rectangles that intersect.
	Search(Rectangle) Rectangles
	// Len returns in the number of items in the RTree.
	Len() uint64
	// Dispose will clean up any objects used by the RTree.
	Dispose()
	// Delete will remove the provided rectangles from the RTree.
	Delete(...Rectangle)
	// Insert will add the provided rectangles to the RTree.
	Insert(...Rectangle)
}

type Rectangle interface {
	// LowerLeft describes the lower left coordinate of this rectangle.
	LowerLeft() (int32, int32)
	// UpperRight describes the upper right coordinate of this rectangle.
	UpperRight() (int32, int32)
}

type Rectangles []Rectangle