Increase the distance accordingly when your AI actor decides whether or not it reacts to that input. If you don't want AI actors to be able to hear the player through walls, you can use a Physics.Linecast / Physics2D.Linecast to detect obstructions. Your AI should then measure the distance to the player and decide what to do with that information. When the player performs an action which generates a sound the AI actors are supposed to react to, then use Physics.OverlapSphere (or Physics2D.OverlapCircle if your game uses 2d physics) to find any AI actors in range and inform them of the player's position and the nature of the sound. This can become very frustrating.įor that reason you should create an own audio detection system which is separated from the actual audio system. It will become very difficult for the player to estimate what the AI opponents will hear and what they won't hear. But with a realistic audio engine, hearing ranges can be very dependent on environmental details. In most games, players develop a feeling for the hearing range of the enemies and use that information to plan their strategies. It also makes the game very unintuitive to play.
This makes it very difficult to design enemy encounters which play out the way you want them to. (which Unity won't do out-of-the-box, but there are ways to do these things) and use audio clips as inputs which can change during development, then your AI actors behavior becomes quite unpredictable. If you use a real audio engine with occultation, dampening, reflections etc. In order to create a good puzzle, you need to know exactly how your pieces interact.
#Unity 3d sound free
And stealth-based games often play more like puzzle games than action games. Making free platform game One man show - Javascrip: GOOD 4 2D GAMES AND 3. The reason is that it is far too unpredictable from a gameplay perspective.Įnemies reacting to noises is something you usually focus on in stealth-based games.
When it comes to AI actors reacting to noises, then most games do not actually jack into the audio system.
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