Node A = main.addNode("A");
Node B = main.addNode("B");
Node C = main.addNode("C");
main.addEdge("AB", "A", "B");
main.addEdge("BC", "B", "C");
main.addEdge("CA", "C", "A");
SpriteManager sman = new SpriteManager(main);
Sprite S1 = sman.addSprite("S1");
Sprite S2 = sman.addSprite("S2");
Sprite S3 = sman.addSprite("S3");