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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Use line renderer to make a gun flare

How can I use a Line Renderer component to create an effect of a trace of a bullet after the gun fired.
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2answers
69 views

How to achieve sprite reflection effect in libgdx

I am currently working on an open world game similar to Pokemon using libgdx. I am currently stuck on this effect that I really want to be done before moving to other features of my game. How can I ...
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1answer
91 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 ...
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1answer
489 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
59 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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1answer
88 views

Cocos2D V3 Blur effect performance test without iOS device

I am testing the blur effect (CCEffectBlur) in Cocos 2D V3 and I found that when I add an effect to an EffectNode it takes up to 5 seconds to appear in the IOS Simulator screen. (I know that the IOS ...
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0answers
77 views

Creating lightning effect with glow effect

I am trying to recreate Drilian's lightning bolt in unity and I have faced a problem in the "Adding Some Glow" part. I am missing glow effect (and/ or "rounded beams"). Here is what I am doing: I ...
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1answer
87 views

GLSL 2D Silhouette

I'm trying to render a silhouette of any entity behind foreground objects to indicate their position to the player. Here's an example of what I want to achieve, from Hyper Light Drifter: From what ...
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1answer
97 views

How to render a curved horizon when rendering terrain far away

For games with long view distance, it might look at bit weird when you fly high above the ground and the horizon is all flat. So, how can I make a crumb/bend effect, when I fly high above the ...
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2answers
178 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 ...
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2answers
104 views

How to make sure Sun Shafts are emitted only from background elements?

Currently I have a game scene entirely made of standard sprites using the default material. I use the Unity standard effect named Sun Shafts. I have tried many combinations of shaders and other ...
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1answer
43 views

How to define default graphic setting?

Currently I'm developing a PC game using Unity Usually on PC games we found graphic/video settings due to varying hardware installed and limitation. Just as in the title, how does a game set its ...
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1answer
122 views

In Unity, how do I render a chromatic aberration effect?

I'd like to replicate the effect used in Teleglitch: In this scene, an object is rendered more than once at different position with different color. This game uses this shader effect to create ...
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2answers
175 views

In Unity3D, how do I create an efficient scratch card effect?

I want to create a scratch-card-like effect in new Unity UI's new Image tag. I know it's possible with setPixels, but that's prohibitively expensive on mobile devices. Something like this: I'd ...
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2answers
90 views

Mapping of positions on images in different frames

I am looking for a possibility to map different positions on a 2D Image which has different frames. Let's say I have an image, consisting of three frames, which shows a spaceship. The first frame ...
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0answers
8 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 ...
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2answers
2k 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 ...
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1answer
46 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 ...
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1answer
172 views

Direct3d Techniques and Windows 8

Under Windows 8, what is the alternative to this code: technique11 Light0Tex { pass P0 { ... technique11 Light1Tex { pass P0 { ... And: Light1Tech = ...
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1answer
303 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 ...
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0answers
128 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 ...
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0answers
165 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? ...
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1answer
160 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
356 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 ...
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2answers
118 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 ...
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1answer
80 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
74 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 ...
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2answers
602 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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1answer
2k 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 ...
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2answers
1k 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 ...
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1answer
164 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 ...
2
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1answer
1k 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 ...
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1answer
138 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 ...
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1answer
160 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 ...
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2answers
92 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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1answer
194 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 ...
8
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1answer
705 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 ...
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0answers
335 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 ...
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2answers
116 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 ...
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1answer
94 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 ...
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2answers
343 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
181 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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3answers
5k 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 ...
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2answers
193 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 ...
6
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2answers
975 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 - ...
6
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3answers
1k 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
154 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 ...
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2answers
224 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 ...
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60 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 ...
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0answers
52 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 ...