Implemented R-Tree

Would like to switch the identifer of the hole to a random string.

demo/assets/scripts/environment/destructable/util.gd

@@ -14,3 +14,14 @@ static func chunk_array(arr: Array, chunk_size: int) -> Array:
 
 static func vector2_to_vector3(v: Vector2) -> Vector3:
 	return Vector3(v.x, v.y, 0)
+
+static func get_bounding_rect(vectors: PackedVector2Array) -> Rect2:
+	if vectors.is_empty():
+		return Rect2()
+		
+	var rect := Rect2(vectors[0], Vector2.ZERO) # Initialize with the first point
+	for point in vectors:
+		rect = rect.expand(point)
+		
+	# The 'position' of the Rect2 will be the minimum corner
+	return rect