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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28 views

Shadow map depth error makes all light be covered and hidden

I've been following the tutorials listed below: http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series3/Shadow_map.php http://xbox.create.msdn.com/en-US/education/catalog/sample/shadow_mapping_1 ...
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7 views

Xna remove DiffuseColor

I'm drawing my model multiple times with the follwing method. I need tiles to be yellow if they are selected. private void DrawTile(int x, int y, int z, bool selected) { foreach ...
4
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1answer
64 views

Why does my Outlined Diffuse 3 shader seem “detached” at a distance?

I'm using the Outlined Diffuse 3 shader from Unity and I'm having a problem with it: the outline looks great when the camera is near the object, but at a distance, it looks detached. From nearby ...
0
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2answers
105 views

Draw many flashlights' focused lights' “circles” on a voxel engine map (and other objects)

So, I've been searching the internet for a while and I still didn't understand how to create a flashlight's "circle" in front of the camera over other objects. I found the following links: using ...
3
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1answer
78 views

How do I render an object's position trail of a constant length?

I want to show a trail of the last points that the object has been in, but I want that trail to always be a certain length, regardless of the object's speed. How can I do that? At the moment, I ...
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1answer
72 views

2D Hidden Object Silhouette Shader

Right now I am not using any depth information in my engine, but I just found out that it would be neat to be able to render the silhouette of important game objects that are "behind" something with a ...
0
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1answer
196 views

How do I create a circular progress bar in Unity3D 5?

I am new to programming and Unity3D. I want to show a circular progress bar starting invisible and growing in 3 seconds to a circular line when reloading is done. How can I do that?
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1answer
129 views

Creating a 3D mushroom cloud [closed]

Hi I am trying to create a mushroom cloud animation for my strategy game. Something like this. I have been looking at info for creating explosions in general, and the way to go seems to be using 2D ...
1
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1answer
41 views

Issue with rotating particle effects with DrawUserPrimitves

I am creating a voxel-like game in XNA/Monogame. I am trying to create particle effect of which I create by making a list that is populated every frame. My issue is here: I am using a WorldMatrix to ...
1
vote
1answer
123 views

Apply shader to only a part of a sprite

I'm trying to make an image blur when a transparent image overlays it, I am wanting it only to blur the section that is being overlayed. So if half of the original image is not being overlapped, that ...
1
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0answers
133 views

How to make a sword swing effect

I'm working on a 2d java game on Slick engine and I always wondered how to make swing effects when striking with a sword? How to code something like this? ...
1
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2answers
86 views

Curved Meters and Gauges

I'm wondering how people here on GameDev stack exchange would handle curved meter GUI elements for things such as life bars or energy bars. My thought on the matter was that you could use a shader ...
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0answers
74 views

Java Slick2D Image Glow Effect

How can one achieve a dynamic glow effect in Java Slick2d? I want an image to be surrounded by a glow when I move my mouse over it for example. Example: No glow Glow Is it possible to make this ...
8
votes
1answer
522 views

Creating a glitch effect similar to Watch Dogs

I'm currently working on a LibGDX game. When a user does something wrong, I would like all the graphics on the screen to jitter very similar to the glitch/distort effect seen in the game Watch Dogs ...
1
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0answers
251 views

Libgdx implement 2d drop shadow for transparent sprites

I am a libgdx learner. For an learning application that I am developing using libgdx on android, I need to show drop shadow or glow effect when a sprite is touched. The sprites are created from a ...
3
votes
2answers
98 views

How can I draw curves above a mesh surface?

I am making an animation of a deformed sphere that represents some aspects of the wave function in a hydrogen atom. I am starting with an octahedron that i push through a tessellation shader. The ...
1
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1answer
80 views

Getting normal map of an image

I'm trying to achieve the results in this tutorial: Link So far, I was be able to do that; with these; public PixelMap GetNormalMap(double strength) { var newMap = new ...
2
votes
2answers
280 views

How can I implement a futuristic “barrier field” that reacts to hits?

I want to implement a "shield" that reacts to projectile hits. Currently, my colliders are mapped to the animated sprite's outline on all frames. I'm looking for something like the image below. For ...
0
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1answer
153 views

Rendering a fullscreen quad is leaving a one pixel line on the left and top

I am rendering a fullscreen quad using XNA. I am having an issue where the top pixel line and left pixel line are not rendered. It should be black in the picture. Can anyone tell me why this might be ...
0
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1answer
141 views

How can I create the illusion of a 3D object moving around in a static background?

I'm designing a Resident Evil clone using OpenGL. I'm curious how the older Resident Evil games used a static pre-rendered background with 3D models roaming around: Here, if the main player ...
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2answers
187 views

How can I create an aperture-closing effect?

I'm looking to create an effect like this in a game I'm making: I would describe it as a camera aperture closing. I have the following requirements: I need to be able to reverse the fade (open ...
1
vote
1answer
170 views

How to draw a diagonal fade-in and fade-out?

How to draw a diagonal fade-in/fade-out in 2D using MonoGame draw API? For a simple (non-directional) fade-in/out drawing the background with alpha variation do the tricks, but what is the standard ...
6
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3answers
972 views

How can I create a contrail effect for a spaceship in motion?

I am curious how I could create an effect similar to the ship's tail in the following picture:
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1answer
152 views

Voxel engine/vertexes: how to add more and more different textures during game runtime and change some of the blocks' faces?

It's difficult to ask this, but I'll try. The thing is: I asked before somethings about creating ramps and blocks with vertexes. [I'm using C#/XNA.] Explanation: now I got a chunk that has blocks ...
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1answer
147 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 ...
-1
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1answer
320 views

How to add nice effects to my menu in Unity

I have a simple menu but I would like to spice it up with some of what I thought would be simple effects. I have 4 buttons that are just rectangle with some GUIText centered on the button and when the ...
0
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0answers
52 views

Maya shatter collision without interpenetration

I'm a newbie in Maya and after days of Googling I still cannot find the answer to my question. I'm making a solid shatter in Maya, as expected, the rigidbodies interpenetrate with each other. And the ...
0
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0answers
46 views

putting view 'effects' in the view - pygame

I have a project where I've tried to move 'visual effects' out of the sprite class's responsibility and into a 'screen manager' class, and before I get much further than effects like rotation and ...
2
votes
1answer
1k views

Can the Shuriken particle system create particles with random shapes and sizes?

I want to create differently sized (but small, relative to the characters) dust clouds for player movement that move away from the player and fade away by shrinking. This animated GIF from Samurai ...
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2answers
185 views

Effect culling on uneven terrain

I'm trying to integrate a "ground particle" effect (like a fire-circle or similar) in Unity3d, however since i'm using uneven terrain as my terrain mesh, the effect gets culled behind terrain parts ...
2
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0answers
102 views

How to draw a spotlight in 3D

To be clear, I am not talking about the light result (the lit area) but the spotlight itself, like this The two common suggestions that I tried are 2D image and a 3D cone. The problem with the ...
6
votes
1answer
260 views

Visual effect with dark overlay gradient surrounding the center of the screen

How is it called, what is it used for, and what is the most common way to implement it? I know these are three question in one, but since the first and second are just one-liners I decided to make ...
8
votes
3answers
4k views

Create a trailing, ghosting effect of a sprite

I want to create a trailing, ghosting like effect of a sprite that's moving fast. Something very similar to this image of Sonic (apologies of bad quality, it's the only example I could find of the ...
13
votes
1answer
905 views

How to implement fake 3D like distortion effects for a 2D side scrolling game?

I'm not certain of the proper terms to search on or even where to begin though I imagine it is some sort of post processing effect. I've seen games like I Wanna Be The Boshy and You Have To Win the ...
6
votes
1answer
1k views

How can I create a fade effect between scenes in Libgdx?

I have implemented a screen fade with Scene2D. It currently fades fades out of one screen to black, then then from that black into the next screen. It would be really awesome if I could fade ...
2
votes
1answer
281 views

How do I make a sprite appear to sway with the wind?

I'm trying to find a method to simulate the effects of wind on various sprites in a side-view 2D scene. What relatively simple technique could I use for this? What I have in mind is to give these ...
0
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0answers
452 views

Libgdx and ParticleEffect with scene2d not showing the same way as in the Particle Editor

I am developing a new game with libgdx and trying to implement ParticleEffect in scene2d (using actor). I am creating a ParticleEffect with Particle Editor in which I would like to add to a stage. ...
3
votes
1answer
191 views

Creating a black light (ultraviolet) shader?

I am interested in the algorithm for color picking that would ideally allow to choose what color range will be highlighted and what color range will be faded. I can sort-of understand how to make it ...
15
votes
2answers
1k views

How can I generate a lightning bolt effect?

Is there an algorithm to generate a lightning bolt? I would like an algorithm that generates a list of segment or point objects specifying where the bolt will land. The method would need a start ...
3
votes
1answer
417 views

How do I make the screen shake when the player takes damage?

I am making a 2D game and I'd like a visual cue when the player gets hurt. Currently, I have a simple blinking red dot that shows up for 2 seconds after damage, but it's not very immersive. Many ...
7
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2answers
549 views

How do I create smoke-like beam or aura effects?

I mean things like the Team Fortress 2 medic gun: ...or the Killzone: Shadow Fall anti-gravity effect: How do these work?
-1
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2answers
541 views

How do I make a sprite blink on an HTML5 canvas?

I'm thinking of the flashing effect many games have when a character gets hit and takes damage. Something like overlaying a lighter color on visible sprite pixels for a second.
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votes
1answer
110 views

problem with texcoord at post effect (quad rendering)

I have this shader: float4x4 View; struct VS_INPUT { float2 Position : POSITION; float2 TexCoord : TEXCOORD; }; struct PS_INPUT { float4 Position : SV_Position; float2 TexCoord : ...
5
votes
1answer
133 views

portal cutoff effect

I want a 3D Mesh to come out of a flat portal. Only the part of the mesh that's coming out of the portal should be rendered, so the mesh should be cut off or sliced until it's fully outside the ...
6
votes
2answers
944 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 - ...
1
vote
2answers
226 views

General visual effects to meshes/entities

I am trying to add some visual effects to some entities, meshes, or whatever you want to call them as they are looking pretty dull in my game right now. What I want to achieve is this: ...
1
vote
1answer
7k views

Create fog (smoke) on Unity3D?

I'm creating a game where you are inside a boiler room, the problem is I want to create the fog (smoke) to make this more realistic.
3
votes
1answer
449 views

How to achieve animated glow

I am trying to achieve something I've seen numerous times, but I don't know where to start from. I've come across numerous old effects, which I can't recreate. The said effects are the glow animations ...
1
vote
2answers
947 views

How to create a magic orb like in Skyrim?

How would I go about creating magic orb that looks like from magic menu in Skyrim in Unity3D? Here is what I have in mind: Orb Image And a video of that effect from 0:09-0:13: Orb Video
3
votes
1answer
357 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, ...