6
votes
2answers
698 views

atmospheric scattering and sky geometry

I'm trying to implement an atmospheric scattering in my graphics (game) engine based on the gpu gems article: link. An example implementation from that article uses a skydome. My scene is different - ...
3
votes
1answer
268 views

Automatic shadow for isometric objects

I have like hunderd of isometric objects. One example: I'm trying to find a way to automate creation of shadow they're casting. I ended up with following transformation: matrix.Shear(-0.25f, ...
3
votes
1answer
230 views

sprite animation individual framerate

When animating sprites I am taking the delta difference between frames and locking the rendering frame rate of the sprite animation to the delta time. float delay = 1000.0f / FPS; float now = ...
1
vote
1answer
252 views

Damage indicator screen overlay

I want to make something already done by a lot of games , which is when I am taking so much hits from enemy red screen drawn like the following , using XNA 4.0: after it's drawn and I am still alive ...
3
votes
2answers
390 views

Screen effects and antialiasing

I have been working on a game for a while using glut for basic window creation. I was rendering to an offscreen buffer so that I could implement various effects like screen bulging, motion blur, ...
2
votes
3answers
351 views

Optimizing graphics for an iOS flash game

A friend of mine and myself are working on a flash developed iOS (and later Android) puzzle board game. He's a developer and I'm a designer/developer so (no surprise) we have different points of view. ...
4
votes
2answers
519 views

Reflections based on distance from plane

Let's consider, for example, a surface like the volleyball court, we can see that legs and shoes of the players are reflected, with a blur effect, but body and stadium don't (as each object not near ...
2
votes
1answer
592 views

Computer generated 2d graphics for games - how to get started

I've seen a lot of nice 2d games recently, like Geometry wars that have really nice computer generated graphics. I would like to know how is it done so game looks really nice even if it is composed ...
2
votes
2answers
2k views

How are the graphical effects in the Android game Orbital created?

I would be very grateful if someone could tell me how the graphics (and in particular, the lighting effects) for this game, Orbital, are created. Would it be OpenGL? For some background: I'm new to ...
8
votes
1answer
874 views

Any good books on graphics programming?

I've been looking for a book that takes a bottom-up approach for graphics programming. So something that starts with 2d filtering, maybe moving into normal mapping, then ambient occlusion, etc. I ask ...
2
votes
2answers
323 views

I'm looking for a paper from Teknikus.dk

I'm looking for this great paper about Verlet integration: http://www.teknikus.dk/tj/gdc2001.htm I've found this link on many websites, forums, blogs, everyone is recommending it ! The website is ...
14
votes
2answers
3k views

Creating an electricity/lighting/tesla coil effect in a 2D XNA game?

I'd like to create beams of electricity between two points very similar to this video: http://www.youtube.com/watch?v=eMJ8-56L3Lc. The effect is so dynamic, with varying lengths and pseudo-random ...
15
votes
4answers
2k views

Effects for Programmers [closed]

Does anyone have any good resources for creating special effects, aimed at programmers. I'm not specifically interested in particle effects, but broader things like: Fullscreen effects, blur, depth ...
6
votes
3answers
2k views

How to do this sprite motion blur?

Some of you may know fraxy... Basically, I was watching this video: http://www.youtube.com/watch?v=uL7zWdDCtOE And there are some times where some sprites spin really fast (4:00 mark for example), ...