1
vote
1answer
107 views

Pokemon Yellow wrap transitions

So I've been trying to make a pretty accurate clone of the good old Pokemon Yellow for quite some time now and one puzzling but nonetheless subtle mechanic has puzzled me. As you can see in the ...
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
232 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
471 views

What causes polygonal twitching in older games?

I'd like this answer large part to curiosity and I'd like to recreate it with our modern computers somehow. By old games I'm referring to ps1 games. My specific example would be Megaman Legends I've ...
5
votes
5answers
580 views

How can I make a falling down effect in 2D - Birds Eye View

Currently whilst making my game, I'm not sure how I am going to implement the actual gameplay/environment of it. At first I thought to do a side-on plat-former, where my character falls down the ...
2
votes
1answer
292 views

Do games depend on OS to scale resolution?

I'm having issues with my computer related with scaling when using different resolutions other than the native. So I started to wonder, in PCs, is scaling handled by the card driver or the game ...
2
votes
1answer
237 views

How to simulate a spinning helicopter rotor visual effect programatically?

I decided to display an animation that conveys to the viewer that a narrow flat surface is spinning really fast(such as an helicopter's rotor blade). Does anyone have any experience in implementing ...
11
votes
1answer
422 views

Breathing for game/movie characters

Breathing (the movement of chest and face features): I'd like to ask if it is hard to model and whether it is computationaly expensive. I recently noticed the great effect it has in Madagascar 3 ...
8
votes
1answer
440 views

How are advanced graphics effects implemented?

I'm curious how 3D effects like spells in Warcraft or Torchlight are implemented graphically. I just finished a book on Direct3D and feel pretty comfortable with it and 3D graphics in general, but I ...
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. ...
2
votes
2answers
713 views

How can I replicate the look and limitations of the Super NES?

I am looking to produce graphics with the same limitations / look that in the Super Nes era. I am specifically looking for graphics similar to Chrono Trigger / FF6. It would be a lot easier to do if ...
11
votes
2answers
2k views

Realistic metal shader

How do you create a good metal shader? For different metals and say more or less eroded / rusty and so on. I know that one difference from ordinary materials is that metal should 'colour' the ...
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 ...
6
votes
3answers
322 views

How can I modify how my scene is drawn to make it look like it's taking place at different times of day?

My game has a day-time association with the scene, that the morning light will be different from the afternoon and the night. But I don't know how to make this difference. Here is an example in ...
3
votes
2answers
497 views

What are the fundamentals of a Quad Billboarding effect?

I'm taking my first venture in to writing a shader and what I really need to do is create a billboarding effect. A thorough Google search turns up a number of threads on the topic and they always end ...
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 ...
3
votes
2answers
326 views

How to determine the maximum supported level of anisotropic filtering for a graphics card

In software, at runtime, (C++ if it matters), is there a way to find out the maximum level of anisotropic filtering supported by the graphics card?
0
votes
2answers
645 views

Graphical Android game: Bad performance in some situations

I am developing a simple graphical game for Android (Java and OpenGL ES). There is no high-end graphics involved, basically a few (less than 10) sprites and some (about 10) dynamically drawn ...
10
votes
2answers
2k views

How do I replicate the warp effect from Geometry Wars?

I'm trying to achieve the warp effect that you see in games like Geometry Wars. Can someone help explain what is going on here? I feel like the grid's z axis is manipulated in some way, any way, by ...
8
votes
3answers
1k views

How to create the “drunk camera” effect in GTA 4?

If you have played GTA 4, then you have probably been drunk at some stage. This is one of the best intoxicated simulators I have ever seen. It is actually hard or sometimes almost impossible to drive ...
30
votes
3answers
5k views

What is the purpose of the stencil buffer ? More precisely, what is a stencil in computer graphics?

I read the stencil word a lot, and I don't have a clue what is its real purpose in computer graphics. Seeing the picture in black and white on wikipedia, I'm still having problem with it. Why do we ...
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), ...