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The problem we’re trying to solve is to get a game object from the starting point to a goal. Pathfinding addresses the problem of finding a good path from the starting point to the goal—avoiding obstacles, avoiding enemies, and minimizing costs (fuel, time, distance, equipment, money, etc.). Movement addresses the problem of taking a path and moving along it. It’s possible to spend your efforts on
Movement for a single object seems easy. Pathfinding is complex. Why bother with pathfinding? Consider the following situation: The unit is initially at the bottom of the map and wants to get to the top. There is nothing in the area it scans (shown in pink) to indicate that the unit should not move up, so it continues on its way. Near the top, it detects an obstacle and changes direction. It then
Yapps (Yet Another Python Parser System) is an easy to use parser generator that is written in Python and generates Python code. Although there are several parser generators already available for Python, I had different goals, including learning about recursive descent parsers. Yapps is simple, is easy to use, and produces human-readable parsers. It is not fast, powerful, or particularly flexible.
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