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.
3
votes
2answers
91 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, ...
0
votes
0answers
55 views
How calculate distance for fog effect model in xna?
I struggled for some time to add a fog effect in my xna games.
I'm working with a custom shader effect in a file (. Fx).
The "PixelShaderFunction" works without error. But the problem is that all my ...
0
votes
1answer
150 views
How to create a fog effect in XNA with PixelShaderFunction?
I developped a small XNA games in 3D.
I would like to add a "fog of war" on my models instantiated with an effect in my (.fx) file.
The problem is, I do not know how to change the function
...
-2
votes
1answer
117 views
how to add fog to a model instantiated in Xna? [closed]
I work on a small XNA games.
I generate a large map type voxel. a floor of 1000 cubic long by 1000 cubes wide.
This is why I use the method "MODEL instancing" with hardware instancing to generate a ...
0
votes
1answer
191 views
Can I use an effect similar to “The Matrix digital rain” in my game? [closed]
I've created an animation (a series of textures) based on cmatrix program written for Linux terminal, which is distributed via GNU GPL license. I'm using standard latin letters and numbers (nothing ...
1
vote
2answers
197 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 ...
1
vote
0answers
303 views
2D water shader in SFML
I want to implement the algorithm for a 2D water surface described here and here.
Before somebody finds out, beats me up and deletes this, I'm gonna say it myself. I posted this question over at ...
4
votes
5answers
282 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
167 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 ...
7
votes
1answer
294 views
How to make a 3d beam effect with XNA 4.0?
Do you know any demo or tutorial to learn to make a 3D Beam effect?
I have learn to make a 2D laser by simply using a texture and moving it thru screen.
But I am a little bit lost while trying to do ...
2
votes
1answer
142 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
355 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 ...
7
votes
2answers
381 views
How do display a “mucus spreading” effect in a 2D environment?
Here is an example of such a mucus spreading. The substance is spread around the source (in this example, the source would be the main alien building).
The game is starcraft, the purple substance ...
1
vote
1answer
155 views
Absorbtion 2d image effect
I want to create a specyfic 2d image effect. It consists in modifying a sprite so it looks like it is being zoomed to a point or "absorbed" by that point. I'm not really sure what is the technical ...
0
votes
1answer
198 views
Calculating distance from viewer to object in a shader
Good morning,
I'm working through creating the spherical billboards technique outlined in this paper. I'm trying to create a shader that calculates the distance from the camera to all objects in the ...
7
votes
3answers
482 views
How can I implement an Iris Wipe effect?
For those who doesn't know:
An iris wipe is a wipe that takes the shape of a growing or shrinking
circle. It has been frequently used in animated short subjects, such
as those in the Looney ...
8
votes
3answers
541 views
How to do the Geometry Wars gravity well effect
I'm not talking about the background grid here, I'm talking about the swirly particles going around the Gravity Wells! I've always liked the effect and decided it'd be a fun experiment to replicate ...
0
votes
0answers
193 views
How to code a 4x shader/filter which emulates arcade crt display behavior?
I want to write a shader/filer probably in adobe Pixel Bender that will do the best job possible in emulating the fill of an oldskul monochromatic arcade CRT screen. Much like this here:
...
0
votes
0answers
132 views
XNA C# Phun-Style Window Movement Effects
Ok, so I'm making a game in XNA similar to Uplink (computer hacking) and I have a lot of ingame panels that display information, such as mission details, emails, passwords, and so on. To add to the ...
0
votes
0answers
455 views
Best practices in Game architechture design [closed]
I have to create a game using Java. It is a simple game with a mix of rules from Texas Hold'em and Scrabble. The purpose of this project is to cover all software engineering practices. I have some ...
3
votes
2answers
306 views
Creating 2D waveform for Cocos2d game
I'd like to have a Waveform in my iPhone game that I am developing using Cocos2d v2.0.
That's the ideal wave I'd like to achieve. A simpler wave which I would still be happy with is this one.
...
1
vote
1answer
343 views
How to obtain contrail visual effect?
I have objects moving in OpenGL ES1 application. I want some of them to leave behind contrail – like if they would emit some radiation or something.
EDIT: the kind of contrail is:
light contrail – ...
4
votes
1answer
293 views
Creating a highlight halo around a selected object
I'm looking to create a halo highlight around the selected objects in my game screen.
The main platform is android, but I am writing an iOS version as well, updating it whenever I successfully add the ...
1
vote
2answers
177 views
How to obtain “annealing” effect via particle system
In this video demonstration, there is the annealing effect, where particles seems to loose their hue and converge into pure white, and then gradually disappear via alpha channel. And in parallel to ...
2
votes
5answers
573 views
Need to create beautiful, random, abstract images
To generate random, beautiful, abstract images – which algorithms are not too complex and give good results?
Maybe go for some special gfx library, that would draw lines with glow, etc. ?
Thank you ...
3
votes
3answers
1k views
How many BasicEffects do you have in a Game? What is the best way to render multiple objects/shapes at once?
I'm trying to understand 3D rendering and it seems that everytime you render a new object (A 3D Cube or something) you need to have a new BasicEffect for each Box you render unless you want the exact ...
0
votes
0answers
291 views
Sprite Animation Effect in isometric game
I am planning to make game like Final fantasy tactics. Right now, I have been thinking about how should I make my sprite animates. From what I found out so far (reading from ffhacktics.com), it seems ...
8
votes
1answer
383 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 ...
5
votes
2answers
905 views
How can I fade something to clear instead of white?
I've got an XNA game which essentially has "floating combat text": short-lived messages that display for a fraction of a second and then disappear.
I've recently added a gradual "fade-away" effect, ...
2
votes
3answers
320 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
363 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 ...
4
votes
2answers
401 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 ...
3
votes
2answers
430 views
Giving the illusion of speed
I'm making a racing game that feels a lot like xtreme g 64 or fzero.
Making the player feel like they are moving extremely fast is important for this game. Actually moving them fast enough to give ...
10
votes
2answers
1k 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 ...
11
votes
3answers
2k views
How would I implement an endless road the player runs down?
I want to create the illusion that a man is running down a long road i.e. this pic
http://camlinecambridgelimited.web.officelive.com/images/road%20graphic1.jpg
If you have played Temple Run on the ...
2
votes
1answer
502 views
Effects of collisons: broken glass, damaged cars, how are they created?
My question is related in particular to achieving the effects of collision in game engine, how is this done?
I have searched a bit, read from the internet and went through a few tutorials, and saw ...
2
votes
1answer
323 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
448 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
votes
2answers
489 views
Spin/Rotational Blur
How do I perform a circular/rotational/spin blur on an image - using DirectX9.0 and HLSL?
For example:
6
votes
3answers
272 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
373 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 ...
1
vote
1answer
885 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
votes
2answers
623 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
337 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)
...
12
votes
5answers
3k 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
votes
1answer
757 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
votes
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
503 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 ...
1
vote
1answer
263 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
712 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 ...

