Graphics effect is an video effect which requires non-trivial usage of a standard graphics library calls, or custom graphics processing algorithms like shaders to achive required result.

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1answer
401 views

Is there a technique to creating a “black hole” background in XNA?

I'm creating application in XNA 4.0 and am trying to create a specialized background. I'm familiar with the creation of a parallax scrolling background but I'd like to create a background image that ...
2
votes
1answer
545 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 ...
5
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2answers
627 views

Spin/Rotational Blur

How do I perform a circular/rotational/spin blur on an image - using DirectX9.0 and HLSL? For example:
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3answers
311 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
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2answers
467 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
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1answer
1k views

Pygame water ripple effect

I have Googled for it but there are no ready scripts - as opposed to the same effect on Flash. I have checked the algorithm on The Water Effect Explained and also tested an implementation of the ...
8
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2answers
859 views

Is it possible to fake blur via images?

I'm using libGDX for an android game; as far as I can tell, it doesn't have an API for blurring. Reading on Wikipedia, it seems like blur is formed by setting each pixels RGB values to the average of ...
0
votes
1answer
415 views

How to add energy ball which disappears when touched by player in UDK?

I am new to UDK and learning game development. I want to know about how to add a ball to the game world with the following effects/actions: Glowing effect Physics-like object (just having gravity) ...
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5answers
4k views

Examples of faking 3D

Does anyone know of any good examples of 3D being faked in 2D (not necessarily code, but games I could look up)? The player has the perspective that they are going 'into' the screen and things are ...
16
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1answer
843 views

What is the math behind the light effect in krakatoa?

I'd like to know the math behind the light effect in krakatoa (click here for an example). Light source is traveling with particles, but how is shading done? Is it something simple, like Phong ...
2
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2answers
1k 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 ...
6
votes
3answers
863 views

Where can I find examples of demoscene-like pixel art effects?

I will keep this simple. The question pretty much sums up what I am looking for. Where are some locations for 2D effects. Specifically ones like those used in old Amiga demos. They do not need to have ...
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vote
1answer
295 views

How can I give the player the impression of speed? [duplicate]

Possible Duplicate: Effects to make a speeding spaceship look faster I am currently developing a racing game akin to F-Zero in that the race is held at very fast speeds. The player is ...
5
votes
2answers
779 views

How'd they do it: sphere effects in Osmos

I'm curious how the sphere effects were done in Osmos from Hemisphere Games. Any ideas how the resolution independent zoom in was achieved? Edit, more specifics on questions: How do you render the ...
3
votes
2answers
279 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
610 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 ...
6
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4answers
1k views

Spell Effects/Shaders

I want to be able to achieve spell effects that cause a fragmenting/discoloring effect on the sprite. The first couple seconds of this video http://www.youtube.com/watch?v=HNCFh7mkvuc shows what I ...
4
votes
1answer
657 views

Shader effect similar to Metro 2033 gasmask

I was thinking about effects in games the other day and I was reminded of the Gasmask effect from Metro 2033. Once you put the gasmask on it blurred a bit in the corners and could ice up and even get ...
8
votes
1answer
800 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 ...
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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 ...
5
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3answers
673 views

Programmatically Modifying Images to Create Morning, Sunrise/Sunset and Night-Time Modes

I'm using RPG-Maker-XP-like sprites (any 2D adventure/RPG style sprites). I would like to tint them so that they look different at different times of day. Times of the day are the set of: Daytime ...
4
votes
2answers
538 views

How effects found in “Autodesk Fluid FX” are implemented using OpenGL ES?

How this kind of effects are technically implemented using OpenGL ES? Are they performing simulation on GPU (using Shaders) or CPU while using some smart vertex positioning and texturing? Why it ...
2
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2answers
312 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 ...
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10answers
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Effects to make a speeding spaceship look faster

I have a spaceship and I've created a "boost" functionality that speeds up my spaceship, what effects should I implement to create the impression of high speed? I was thinking of making everything ...
14
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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 ...
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3answers
4k views

How to achieve a Neon-Light effect?

I'm wondering how to achieve a neon-light type effect. For example, in Pac-Man Chamipnship Edition: Or in Geometry Wars: Is that a Bloom Effect? Or what techniques would I have to look for?
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4answers
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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
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1answer
1k views

XNA 4.0 Post-Processing Libraries?

Are there any free XNA 4.0 post-processing libraries that are easy to hook into projects? I am looking specifically for a glow effect (although anything is great), and I should also mention that I'm ...
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 ...
44
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4answers
18k views

How is 2D lighting implemented?

I am wondering what the best way to approach a "lighting" effect in 2D games is. For instance, if my main character is glowing, what techniques can I use to complete the visual effect of the character ...
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votes
3answers
4k 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), ...