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On the technical side, for example, the vast majority of games are not free of similar functions and repetitive patterns of data processing, which makes the reuse of the software modules of previous games in order to create new games possible.

This comprehensive view is important to know that the programmer's role in producing the game is only an integral role for the roles of other team members, though this image is beginning to change with the emergence of independent developers Indie Developers who perform many tasks besides programming.

If we wanted to talk in more detail about the role of programmers in the games industry, we will find that even at the level of programming itself there are several roles that must be taken: there are graphics programming and there are input systems, resource import systems, artificial intelligence, physics simulation and others such as sound libraries and aids. All of these tasks can be accomplished in the form of reusable software modules as I mentioned earlier, and therefore these units together constitute what is known as the Game Engine. By using the engine and software libraries that compose it, you are reducing yourself to the effort needed to build an I / O system, simulate physics, and even a portion of artificial intelligence.