Questions about Sims genetics
diana:
Thanks for the link Sim :)
J. M. Pescado:
Quote from: AnnaFrancesca on 2009 September 20, 10:27:52
Just to clarify; TS2 agrees with Darwin, TS3 agrees with Lamarck?
Well, FUNCTIONALLY, in the scope of a Sims game, the hair thing is the singular case of there being anything really noticeable. Everything else could have been hidden under the hood if not for our persistent habits of digging. In any case, TS2's genetics are a gross oversimplification of how things actually work, and TS3's approach is just to wing it.
Lord of Evil:
I have found out that the children inherit the parent's artificial changes that aren't part of their genes. Such as using a mirror to change their hair color.
I had a girl in her teens turn her natural hair color which was brown hair to black hair with some pink highlights by just using the mirror. Then when she had a child of her own, a daughter. The daughter ended up with black hair and pink highlights.
Genetics in sims 3 are no longer just from mom and dad, but also grandparents and anyone else in the family.
J. M. Pescado:
Quote from: Lord of Evil on 2009 September 23, 09:23:10
I have found out that the children inherit the parent's artificial changes that aren't part of their genes. Such as using a mirror to change their hair color.
Yes, this is the most obvious symptom of the fact that hair genetics no longer exist. This is partly an artifact of the "free wheel" system, which allows people to generate sims in CAS that have completely wacky hair colors, leaving the game with no means of distinguishing which is real, unlike TS2, which only allowed you to generate sims with one of the 4 binned colors, unless you used bodyshop, in which case the result was a genetically fucked up sim, as the bodyshop-to-game thing was never entirely perfect. Thus, rather than trying to solve this now unsolveable problem, the designers simply gave up and threw in the towel. As a result, hair genetics no longer really exist.
Quote from: Lord of Evil on 2009 September 23, 09:23:10
Genetics in sims 3 are no longer just from mom and dad, but also grandparents and anyone else in the family.
It's parents, grandparents, and a random chance of simply a random asspull, for hair/eye colors. Facial blends are randomly chosen from one of the parents. The chance of pulling the data from a grandparent is designed to essentially "fake" recessive genetics, as determining the dominant/recessive genetics of arbitrary free-wheeled colors is basically impossible, and in any case, it was always an oversimplification of how things work, so isn't really a great model to emulate anyway.
HazelEyes:
Basically, they sacrificed the more complex genetic engine (though still much simpler than realistic inheritance, which isn't perfectly understood) for more design options? Because the ability to choose any RGB value for hair and eyes, and almost any for skin, does make designing the logic of a genetics system more complicated, not to mention implementing it. I mean, they've gone up from 4-5 color options to, what, 16 million or thereabouts?
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