: How are game engines made and why are they necessary for games and why are there so many of those?
In: Technology
Suppose you want to make a game.
You have a cool story, you’ve drawn some cool character designs, your notebook is full of great ideas!
Now, write the computer code to make all that magic happen on the screen.
But! You’re a designer, not a coder. You don’t know how to code. Or, more realistically, you’re not interested in learning to code or building the HUGE team necessary write all the code. So, you license the code from someone else, who has written the program.
That’s the game engine.
This story also works the other direction.
Suppose you’re a coder.
You have figured out a really clever algorithm – perhaps a very, very fast way to computer the inverse square root. (John Carmack actually did this.)
This super quick algorithm is now a core element in some software you’re written that draws 3D objects on the screen.
This software would make a really cool game!
But! You’re a coder, not a game designer. You don’t know how to design games. It doesn’t really interest you. So, you offer up your software for other people to use to design their own games.
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