Teaching tool for visualizing 2D grid search algorithms. The grid environment saves the current state and doesn't reset when Green Flag is clicked. Controls: - 1: Set place tile to NORMAL - 2: Set place tile to BLOCK - 3: Set place tile to START - 4: Set place tile to GOAL - 5: Set place tile to WATER (cost 10) - a: Set place tile to TENTATIVE - d: Set place tile to VISITED - z: Set A* to 0 - space: Set A* to 1
