Implementing Sensors

In this chapter, we'll learn to implement AI behavior using the concept of a sensory system similar to what living entities have. As we discussed earlier, a character AI system needs to have awareness of its environment such as where the obstacles are, where the enemy it is looking for is, whether the enemy is visible in the player's sight, and so on. The quality of our NPC's AI completely depends on the information it can get from the environment. Nothing breaks the level of immersion in a game like an NPC getting stuck behind a wall. Based on the information the NPC can collect, the AI system can decide which logic to execute in response to that data. If the sensory systems do not provide enough data, or the AI system is unable to properly take action on that data, the agent can begin to glitch, or behave in a way contrary to what the developer...