Interactive figure/ground composition app. Click image to load app. Double-click to create shape (or click grid icon for field of shapes). Scroll over or tap shapes to change figure. Hold ‘R’ while scrolling to rotate, hold ‘S’ and scroll to scale. Click and hold light gray ground for gravity. Additional buttons toggle size gradient, orientation alignment, and simulation of lateral pathfinding field (using A* algorithm). (Copyright © 2022, Grant Alford)