The process of generating an image or series of images from a model by means of computer programming.

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18 views

WebGL Primitive Batching unexpected performance

I'm kinda new to WebGL in general, I've started to make some batching experiences on primitives (just drying a bunch of rectangles by using a combination of two triangles repeatedly). I've started by ...
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2answers
32 views

Reducing draw calls in a y-sorted orthogonal world

This is a hypothetical question, as I haven't yet come across the problem of making too many draw calls, but for my game I am aware that this could become a potential problem. The style of my game is ...
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1answer
17 views

Generating a Sprite to cover given area

I have an area say a x b of cells. actually I render every single cell in this matrix with a tile representing floor, wall, etc. What I'm trying to achieve it to replace this tiling system with a ...
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0answers
24 views

Faster ways of rendering to a texture what is viewed by a camera in a given specific moment (Unity)

What I want to achieve is to render to a texture what is viewed by a camera in a given specific time or frame, and then stop rendering to the texture, delete the camera and stay with that texture for ...
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0answers
51 views

World texturing techniques in FPS game

Texturing for small objects (pickups and enimies) can easily be done UV-unwrapping the model, and use a texture of reasonable size to make the model look good. But how can texturing be done for the ...
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2answers
25 views

How to make a Sprite be displayed always behind everything else?

What I am in need to achieve is to have a Sprite always facing the camera identically to what happens with any simple game UI object, but instead of always displayed above everything else, it should ...
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1answer
63 views

How to Load and Apply a Cube Map with DDS Texture Loader?

So I have been spending a lot of time recently implementing a working skybox/skysphere, and have almost completed it. The last thing that I need to do is to load my given texture, a skybox texture ...
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1answer
28 views

Libgdx shaperender within a circle as limitter

I encountered a problem, where my small entities would be rendered out of the bounds of my radar. At the time I solved it like this: ensure, that the object would be within the circle, but, that's ...
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1answer
87 views

Sine-based Tiled Procedural Bump

I am trying to implement this formula to generate bump but I am facing some issue. The result doesn't look the same it's much darker. Here is my result (without same parameters) but it is much ...
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1answer
48 views

Gameobjects disappearing when changing renderer.material.color

I'm generating an array of objects using this code: while(currentPosition.z < poolSize){ var ringObj = GameObject.Instantiate(ring) as GameObject; ...
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0answers
31 views

Drawing a gradient triangle with depth in mind [closed]

I'm writing a software 3D rasterizer. I managed to get a gradient triangle to work in it: And a triangle with z-depth shown on it: But, how do I blend these two? So that I draw a gradient ...
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2answers
70 views

How does billboarding 3D sprites affect performance?

I was reading the Unity manual on trees and one of the claims made is as follows: Unity uses optimisations (eg, billboarding for distant trees) to maintain good rendering performance... I was ...
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0answers
36 views

Irradiance Map ( Irradiance environment map)?

As irradiance map is generated for every possible normal for all the texels in environment map (as every texel act as a light source) so that we can look up irradiance map, based on normal of fragment ...
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1answer
59 views

Zoom at a specific point using Orthographic camera

Currently I can perform Zoom which seems to be working fine but essentially what I'm really trying to do is zoom on a position offset from center as currently when I zoom then zoom is performed at the ...
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0answers
9 views

Render layered polygons

I am coding a video game in as3 for practice in game development/programming. It's a pixel game and I'm using my own game engine and I also created my own drawing api for thick lines and thin lines by ...
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0answers
23 views

Unity's 'Ambient' Occlusion occludes everything. How to do it better?

I'm experimenting with custom AO solutions for Unity. While looking at the source for their built-in SSAO effect, I noticed the shader is doing this: half ao = tex2D (_SSAO, i.uv[1]).r; ao = pow (ao, ...
4
votes
1answer
119 views

How can I reduce the draw calls in a split screen game?

I am working on a split screen game with one camera per player. It appears that the number of draw calls is multiplied by the number of cameras I have, which makes perfect sense. More cameras means ...
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2answers
62 views

How to optimize my random terrain generation and usage?

I'm new to Unity. I've created an algorithm to procedurally generate a circle-shaped tunnel made of primitive cubes GameObjects. The problem is that the game is very laggy and I can understand why: ...
3
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1answer
73 views

Why is quad rendered at the center (0,0) instead of top left when using orthographic projection

I have been trying to render a quad(containg a texture) using orthographic camera so that the quad can be rendered using the screen coordinates directly. I started of by rendering just a triangle ...
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1answer
51 views

In Game Maker Studio, why does the image rotation have to be performed every step?

I'm a software developer who's trying to get into game development casually on the side. I picked up Game Maker Studio a while ago on a Steam Sale, and I'm finally getting into using it, especially ...
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0answers
27 views

Unity: Build looks different then gameview: runtime reflection probes not working correctly

Im having a really hard time figuring out how to configure my reflection probes to update in runtime once I build. The game port view looks totally different than the build view. Ive tried turning off ...
0
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1answer
41 views

Does Specular Power affect the Brightness?

I read the book Real-Time Rendering, 2nd Edition. Somewhere in there it say: But I did the experiment and concluded that the mshi doesn't seem to affect to the brightness (it causes the area just ...
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1answer
40 views

Image-Space coherence of the z-buffer algorithm

I'm reading Hierarchical z-Buffer Visibility by Ned Greene et al. and they state that traditional Z buffering makes reasonably good use of image-space coherence in the course of scan conversion. ...
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0answers
88 views

From Flash to Haxe - rendering a complex 2D scene (aka “My Graphics Hell”)

(note - This is not a technical question as such, more a query on design and structure) I'm working right now to remake and finish an old Flash game of mine in Haxe with a new engine (Luxe). I've ...
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1answer
60 views

Libgdx, TiledMap, and tearing

My TiledMap tears when the window is specific sizes, resized, or the camera moves. The tileset is padded by 2px and have tried as high as 10px. Each tile is 70x70. Here are the pack.json ...
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2answers
74 views

Unity3D: How to convince the user of objects moving closer with layering?

I'm currently developing a Universe Simulator for Android. I had a question regarding layering. I have a list of 100k 3DPoints each represent a stars co-ordinates. I have decided to break the cameras ...
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2answers
46 views

Running subsystems at difference update intervals

I want to update the rendering at 60fps, but the logic at some lower rate, say 15Hz. But if an only moves when the game logic updates, then it would appear to stutter badly especially for lower ...
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1answer
77 views

Sprite quickly disappears after rendering

I'm currently making space invaders and I'm using the game loop pattern as described here. I have an entity class from which there is a spaceship derived class. The base entity class contains all of ...
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0answers
41 views

VR/360 playback recording of standard gameplay

Apologies if this question has been asked before, and apologies too if it is obvious to those with knowledge - I'm completely tech illiterate especially when it comes to gaming etc so bear with me! ...
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0answers
24 views

Bidirectional Path Tracing questions

I'm coding a Bidirectional Path Tracing application for school in C++ and I have some questions (I haven't found useful explanations on the web) 1) Why does the EyePath have one more vertex? 2) When ...
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2answers
47 views

Hide building roof & Hide faces/vertices depending on world location

I'm currently developing a small game for my own enjoyment and I've ran into a problem. As you probably know many third person games (such as Runescape and XCOM, for example) hide the roofs when you ...
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2answers
140 views

Optimising Voxel World Rendering

There are a couple of questions like this already. This one is different because it is specifically about rendering, as opposed to navigation and generation. I've implemented suggestions from here ...
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0answers
31 views

Trouble with OpenGL on OS X

I'm creating an OpenGL-based game for OS X using Xcode. Everything renders correctly when I run the game in debug mode. However, running the game in release mode shows just a blank white window. This ...
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0answers
64 views

Box2d - Texture lagging and flickering

I'm having issues with texture rendering in my game. I've done a lot of research and repeated the same steps of tutorials over the internet to render and update Sprite positions properly. Somehow, ...
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1answer
81 views

How to create realism similar to scenes rendered in Vray?

I am tasked to make a game which requires very realistic interior scenes. Unity's bedroom demo(http://blogs.unity3d.com/2015/11/10/bedroom-demo-archviz-with-ssrr/) really caught my eye. See I know how ...
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3answers
58 views

LibGDX efficient colored rectangle rendering

I'm creating a game in which I renderer around 1000 to 2000 solid colored squares per frame, 90% of which are the same size: ~4 px depending on the dpi. I am looking for the most efficient way to ...
0
votes
1answer
72 views

Objects rendering only on editor, but not on build (they get invisible)

Everything works fine in the editor, but when I build the game, none of the objects in the scene are rendered, and only the skybox and UI text is visible. But although they aren't appearing, they are ...
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0answers
52 views

Libgdx and Box2D TiledMap render is not smooth

I'm building simple side scroller game. My player (square) move fast and it interacts with other world objects. Problem is when my player is moving it seems that all world is rendering somehow strange ...
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0answers
62 views

Texture gets blurry when moving Box2D body

I'm having this issue that is very annoying. Somehow the texture of the player body is getting blurry and leaving a slight trail with its colors when moving it. The interesting fact is, this only ...
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0answers
97 views

Water Rendering with LibGDX and LiquidFun

I'm very new to game development and I need some help with a renderer. Can somebody show some code for a Water renderer (and shaders if needed) using libgdx and liquidfun? I can render my particles ...
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1answer
55 views

What is render path? [closed]

What is "render path"? Who invented this term? I can suppose that this thing mean something one from the list below: The thing which shows which rendering technique should be used (e.g. ...
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0answers
48 views

What is the best way to represent a large field of objects while using minimal resources?

I have recently started to plan a project in Unity that will be for android. I have a database that consists of over 150,000 stars (may trim this down if I/O cripples the overhead). The game will ...
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0answers
51 views

Problem with Pixels In The Game

So, in the game that I am developing, there is an issue with the pixels for the different objects. This is a problem as it makes the game a little awkward. Essentially, the pixels for a house in the ...
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1answer
30 views

HTML Canvas Makes Everything Bolder On Right Side

For some strange and sudden reason, my canvas seems to make lines thicker and darker on the right ~1/4-ish. I have tried multiple browsers and different computers and they all have the same rendering ...
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1answer
37 views

Using a smaller off-screen buffer for rendering

I am seeing this in most of the game codes I read and tutorial videos I watch. When using double buffering in rendering, they use a smaller sized off-screen buffer, then just scale it up when drawing ...
0
votes
2answers
154 views

Unity sprites rendering problems on Android

I'm creating a simple 2d game for android, with normal sprites and animations. The problem is that when I open the game on my smartphone (Samsung galaxy trend plus), The sprites are rendered this way: ...
0
votes
1answer
149 views

In Unity, how do I make a mesh change its opacity during runtime?

I'm trying to make a isometric game. I want to make it so that when the player goes behind a wall, the wall's alpha goes down. How do I go about doing this? I have this code that I made, but I don't ...
5
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2answers
295 views

How to render water reflections on multiple heights

I'm making a voxel game on OpenGL, and are trying to find a way to render semi-realistic water (At least partially good looking, it doesn't need to be strictly scientific accurate). All sources ...
3
votes
1answer
103 views

The better performance in occlusion culling, plane or quad?

In the above picture, when the left camera shows two small parts of the quad, all of that is rendered (it can be a very large quad). But in the right one only two small parts of it is rendered. ...
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1answer
29 views

SVD vs Normal decomposition for BRDF compression

In the slides over here by NVidia, they describe methods for BRDF compression. They first create a BRDF matrix where each column(or row) corresponds to a single light direction (or outgoing view ...