I appreciate your more detailed description. I think I get what you're trying to explain. It just seems to me (at a very shallow level, I'm no expert) that all else being equal, 2D should be able to do just about anything that 3D can, but more simply (with some exceptions, of course - trying to reproduce a 3D look and behavior in 2D would obviously be an order of magnitude more work than just doing it in 3D).

To your point, I've generally noticed that bone-driven 2D animations tend to look kind of janky, like marionettes, but I didn't think that it was a technical limitation as much as just the animators taking a lot more shortcuts. In other words, why would limb tweening be inherently more overly visible in 2D vs. 3D? It seems that it would be hard to do a pure comparison that controlled for other variables, but intuitively it seems to me that in a comparison that did control for those 2D would turn out easier to produce content for than 3D.

Again, to your point, I can understand that if we compared popular hand-drawn or pixel art 2D assets and environments with popular styles of 3D assets and environments in common usage, especially across indie games, 3D could very likely come out ahead in productivity.

Sorry if I have dragged this conversation out too long. I have an interest in game design/development and game art and hope to some day get into both myself with some small games, so this is a topic that I would very much like to have a solid understanding of so I can make the most efficient use of my time.

With 3d you make the model and it’s “naturally” 3d (obviously). If you want to make a 2d sprite have a different perspective, you need to animate (often times draw) it specifically. As they mentioned it before, it’s mostly useful for animations and movement. It may not even be “reusability” as much as “lack of need to think about perspective” or “scalability”.

Oh, absolutely. I was thinking more in terms of 2D doing traditional flat 2D views like side-view platformers or top-down views. I can completely understand that as soon as you try to emulate 3D with even something as simple as an isometric view it's going to be much more work than just doing straight 3D.

Another point is that with a 3d engine under low-storage concerns (like say, the N64) you can do a lot of fuckery like having a total of ~10 textures and just apply various color tints (and maybe a blur here and there) to make it seem like there’s more. While 2d engines do support this nowadays, it’s still hard for artists to “fake” such a wide gamut of sprites, just by the nature of the medium. There’s no model to apply a texture to, so you’re limited to having a base sprite and recoloring it.

I can understand this too.

You could do a modular approach in 2d. For example, a character is built of the body (arms+face), hair, pants, shirt and shoes and change them individually. Same for houses with roofs, doors, windows and walls, etc.

I imagine that a lot of 2D games use these kinds of techniques.

However, as already said, you’re limited by perspective a lot. Each new perspective requires almost double the sprites.

Got it, thanks!