Group Utilities Collection of utility classes which might be useful. AstarMath Utility functions for working with numbers and strings. AstarSplines Contains various spline functions. GraphUpdateUtilities Contains useful functions for updating graphs. GraphUtilities Contains utility methods for getting useful information out of graph. PathUtilities Contains useful functions for working with paths and nodes. Polygon Utility functions for working with polygons, lines, and other vector math. VectorMath Various vector math utility functions.