void ResetGridForAStar(bool startFromCurrentPosition)
{
if (startFromCurrentPosition)
startPosition = graph.curNodePosition;
myCat.SetImmediatePosition(startPosition * gridSize, gridSize);
graph = new Graph(grid, graphics.PreferredBackBufferWidth / gridSize, graphics.PreferredBackBufferHeight / gridSize, false, myCat);
graph.AStarSearchInitialize(startPosition, destination);
}
void StartRandomSearch()
{
destination = new Vector2(random.Next(0, graphics.PreferredBackBufferWidth / gridSize - 1), random.Next(0, graphics.PreferredBackBufferHeight / gridSize - 1));
startPosition = new Vector2(random.Next(0, graphics.PreferredBackBufferWidth / gridSize - 1), random.Next(0, graphics.PreferredBackBufferHeight / gridSize - 1));
myCat.SetImmediatePosition(startPosition * gridSize, gridSize);
graph = new Graph(grid, graphics.PreferredBackBufferWidth / gridSize, graphics.PreferredBackBufferHeight / gridSize, myCat);
graph.BreadthFirstSearchInitialize(startPosition, destination);
}