There are many games where you can find monsters or enemies that follow the player or go to a particular point while avoiding obstacles. For example, let's take a look at a typical RTS game. You can select a group of units and click a location where you want them to move or click on the enemy units to attack them. Your units then need to find a way to reach the goal without colliding with the obstacles. The enemy units also need to be able to do the same. Obstacles could be different for different units. For example, an air force unit might be able to pass over a mountain, while the ground or artillery units need to find a way around it.
A * (pronounced A star) is a pathfinding algorithm widely used in games because of its ...
