Tagged Questions
12
votes
2answers
492 views
Best technique to create oldschool (fake 3D) racing game?
What would be a good approach to develop the render system for an oldschool type racing game that uses a pseudo 3D scenery, like for example Outrun or Lotus Esprit Turbo Challenge? There's an endless ...
9
votes
4answers
349 views
What exactly causes a surface to overlap another?
I cannot really figure out what causes one surface to overlap another. In a 3D engine I'm creating, my technique is failing in edge cases.
My method is sorting the surfaces to be painted from the ...
6
votes
6answers
1k views
How come the 3d graphics and animations of MMORPGs are usually worse than non-online 3d games?
I have noticed that in general it seems like the 3d graphics and animations for MMOs and MMORPGs seem not as seductive and polished as the graphics for normal, non-online 3d games.
How come this is ...
5
votes
2answers
221 views
Mobile 3D engine renders alpha as full-object transparency
I am running a iOS project using the isgl3d framework for showing pod files.
I have a stylish car with 0.5 alpha windows, that I wish to render on a camera background, seeking some augmented reality ...
4
votes
2answers
779 views
How can I render text above a mesh in DirectX 9?
I want to render some text over a mesh in my DirectX app. It will have a similar application to health bars for units in games, just as text rather than a bar. I'm looking for the simplest way to do ...
4
votes
1answer
304 views
Clever way to do the Sonic 2 Bonus Stage effect saving memory
What would be a good way to save memory to achieve an effect like this one?
http://www.youtube.com/watch?v=K89LkvL9JZ0
We're using pre-rendered 3D.
I'm asking this because this naive approach of ...
3
votes
2answers
1k views
3D camera implementation
I've been bashing my head against the concept of a 'camera' for my 3D world for some time now, and I'm not sure I'm doing this right anymore. Maybe I've been working on this for too long and have ...
2
votes
1answer
155 views
Software rendering 3d triangles in the proper order
I'm implementing a basic 3d rendering engine in software (for education purposes, please don't mention to use an API). When I project a triangle from 3d to 2d coordinates, I draw the triangle. ...
2
votes
3answers
495 views
Rendering a 3D scene without a window
This is kind of an odd question, but what would be the best solution for rendering a 3D scene without a render window active? The end goal would be to simply render a 3D scene to an image file.
I ...
2
votes
1answer
469 views
What does multisampling skip or improve? (so it can be faster than supersampling)
I never really fully understood this, or found an article which explained all the steps in a friendly way.
I'll start with what I do know already (which I hope do not contain misconceptions). I'm ...
2
votes
1answer
257 views
OpenGL Fast-Object Instancing Error
I have some code that loops through a set of objects and renders instances of those objects. The list of objects that needs to be rendered is stored as a std::map>, where an object of class ...
1
vote
3answers
304 views
Should there be a limit to how many in game models there is for a 3d MMORPG?
I was considering building a character creator/customizer program that would enable a player to create their own 3d model based off of a series of preset body parts. i.e. A player could choose to add ...
1
vote
2answers
203 views
Should the world transformation matrix be stored in a constant buffer when rendering?
Generally when rendering objects you would:
Apply world transformation to go from object space to world space
Apply view transformation to go from world space to camera space
Apply perspective ...
1
vote
3answers
309 views
What name (if any) applies to this particular 3D rendering technique?
Is there a name for this technique where when instead of rendering certain polygons, you just calculate a few key points and do the drawings in 2d? For instance, instead of rendering a sphere, you ...
1
vote
1answer
685 views
Model not rendering correctly XNA
Basically i am trying to render a model yet it seems to draw polygons that should be behind something, in front of it. So i end up seeing some faces that should be behind something, totally covering ...