Intro to the Vector Dot Product: How to code a Field of View in Godot
Learn how to use the vector dot product to detect if an enemy is within the player’s cone of vision or FOV.
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Vectors are essential when it comes to 2-D game creation. We talked about arithmetics. it’s time to go one step further with the dot product. You can not only use it to get the exact angle between 2 vectors using trigonometry: it also helps to detect whether 2 characters are facing the same direction or away from one another.
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