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

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14 views

Libgdx Tiledmap OrthographicTileMapRenderer Issue

I've tried to load my Tilemap in TMX-Format created with Tiled in my libgdx android project. It worked but when i scrolling with the camera i often see the background color instead of the background ...
0
votes
0answers
20 views

Why are my OpenGL textures warped?

I am writing a graphical program using OpenGL for rendering, Assimp for mesh loading and SDL for window etc, but also image loading. As can be seen in the image, the white outlines at the left of ...
1
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2answers
159 views

Tiled Rendering - Projection matrix

I'm trying to figure out how to perform tiled rendering of my 3d scene (OpenGL). The motivation is to cut the scene up into several textures, combining them into a single image for saving at a very ...
1
vote
2answers
66 views

Does PBR mean only one, right technique to view 3D scenes?

For example if I call Unity 5 render pipeline a PBR and Unreal Engine 4 render pipeline as well PBR, does it mean that the same model with the same PB textures will be viewed identically in very ...
0
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0answers
30 views

What is the best text rendering technique?

I just need a high performance way to draw text on the screen, in 2D or 3D. Currently I generate a mesh consisting of a bunch of quads with uvs corresponding to a 16x16 font sheet. Then I draw the ...
-2
votes
1answer
63 views

What's the difference between rendering and shaders?

What is rendering? What are shaders like vertex ,tessellation shaders etc? I am confused what's the difference between rendering and shaders? and how rendering is performed using shaders? Can we ...
0
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0answers
66 views

3D Game Rendering (Educational purposes) [closed]

I've been programming off and on for a few years, and have made several 2d games in java. (I also know c# and a bit of c++). I was wondering where I should start off for rendering 3D scenes in java ...
0
votes
1answer
70 views

Creating a separate renderer for entities in a 2D game

I'm making a 2D shooter game. As of now, every entity "draws itself", meaning every renderable entity has a draw function. I know it is better if rendering is handled separately, but how can I achieve ...
-1
votes
2answers
36 views

What are 'ambient' lighting/illumination/occlusion? [duplicate]

What's the difference between ambient lighting,ambient illumination and ambient occlusion ? What are they? What's the difference between them?
1
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2answers
116 views

Is the rendering of distorted point clouds more complex?

I have two point clouds of n points: A dense ball-shape point cloud with many points inside A spherical point cloud with points on its surface. Is there (really) any difference between rendering ...
0
votes
1answer
86 views

FBO and VBO for performance

I discovered VBO's recently and changed my code to use them instead of immediate mode. Now I'm rendering 25000 squares and it's really slowing down my FPS. If I drew all the squares VBO's to an FBO, ...
0
votes
1answer
94 views

android game development: why is my screen black?

so, im strarting an android game from scratch, and every time I try i stumble uppon the same problem, my screen is not displaying what i want it to. I've read various tutorials but they are either ...
2
votes
2answers
480 views

What are 'physically-based' lighting/rendering/materials?

What's the difference between physically based lighting, physically based rendering and physically based materials? How they are different from deferred and forward rendering? And physically based ...
3
votes
1answer
132 views

How to use a mask texture with Kobold2D

I am an iOS developer but I'm new to cocos2d. I'm working on new game, I use Kobold2D, have cocos2d installed too, and I want to make this effect: I know how is done with Flash, but can't make it ...
54
votes
9answers
16k views

Why are gaming graphics not as beautiful as animated movies?

I remember watching the Tomb Raider pre-rendered trailer, and wished those graphics could be in the game itself. Why there is such a big difference between the trailer and the actual game? I ...
1
vote
1answer
441 views

LWJGL SlickUtil Texture Binding

I am making a 3D game using LWJGL and I have a texture class with static variables so that I only need to load textures once, even if I need to use them more than once. I am using Slick Util for this. ...
1
vote
2answers
252 views

How do I efficiently determine what objects are visible to a camera?

I want to call the rendering methods of only the game objects that are visible. How can I efficiently determine which objects or tiles are within the camera's rendered region?
1
vote
1answer
158 views

What is the correct multiplication order for a 2D matrix?

I'm currently trying to create a camera and entity/model matrix for my 2D game similar to that of Unity3D. I've already tried to find answers to this question on stackoverflow/gamedev but i couldn't ...
0
votes
1answer
24 views

How to render specific FBO Texture attachment (assume attachment1) with 2 attached

Create FBO & its textures like normal. // FBO & Texture glGenFramebuffers(1, &mFbo); glBindFramebuffer(GL_FRAMEBUFFER, mFbo); glGenTextures(2, mTexture); for(int i=0; i<2; i++) { ...
1
vote
3answers
75 views

Rendering many similar objects [closed]

I am writing an city builder. The graphics should look pretty simple, there are no fancy models or textures. Something like Synekism. Thus I have only simple models for buildings and splines for ...
0
votes
0answers
58 views

How do I rotate a skybox?

I am trying to find the way to rotate my skyBox. I have a vehicle at a static position (0,0,0) and I can rotate that, but it seems that rotating the skybox is a different operation. First I load the ...
2
votes
1answer
43 views

Render on texture with alpha 0 for the background colour

Sorry if the question is stupid but I am very new to opengl. I render on a target a scene with a couple of object on a background that is nothing more than the clear colour (which is ...
0
votes
1answer
215 views

How to render a vertex buffer in DirectX11 C++ (specifically with box2d's b2Draw)

I have all the DirectX11 devices etc setup and working with DirectXTK's SpriteBatch and currently attempting to implement a b2Draw class to draw my box2d physics worlds. I have little idea on how to ...
1
vote
0answers
62 views

How to project a foam trail on dynamically changing mesh

I am trying to create water, and right now I got it through dynamically generating waves on a mesh. But now I want to make my boat manipulate these waves, and cause a Kelvin Wake on top of this. ...
0
votes
0answers
23 views

What map projection is needed to transform a shapefile into a 3D earth?

I'm looking for a way to create a 3D earth in Flash, something like the wonderful SolarSystemScope, only in my map the countries should be clickable and whatnot. To get started I've got map data from ...
0
votes
1answer
81 views

Capping framerate independently of logic updates in single-threaded Android Gameloop

My game is currently using the below game loop (this is an OpenGL ES 2.0 game, therefore the loop-work takes place on the rendering thread in the provided onDrawFrame method). Currently my loop ...
1
vote
1answer
324 views

Problem with update/render in game loop (scrolling view, render interpolation)

I use SFML 2.2 and program a 2d prototype game (2d mario style where the camera follows the player). I am experiencing the buggy imagery during rendering, for example a chunk of vertex array blocks ...
0
votes
2answers
86 views

Voxel Engine in XNA - Block as Class Renders, Block as Struct Doesn't

Edit: I almost forgot to mention - when I place NEW blocks they render, but nothing triggers the originals to render (I have a button assigned to recalculate/redraw for every block surrounding (and ...
9
votes
2answers
2k views

How to make natural looking voxel

I'm developing a voxel game, but I think I use the wrong technique. I currently use flat tiles, to make blocks, and I think theres a better and more efficient way. I have seen a voxel game, which ...
0
votes
1answer
48 views

Sprites and Box2d

I'm starting to see how box2d works now, except I dont know how to scale the screen to diffrent screen sizes and how i can convert Sprite sizes to box2d units. I know box2d uses meters and such, but ...
0
votes
3answers
105 views

How to render grid properly, especially over distance?

I'm drawing a grid, pretty much like one can see in the Unity editor itself or any 3D-editor, many 3D-related applications and some games. But it doesn't look pretty in my case. I put a few random ...
3
votes
0answers
359 views

How is Ping-Ponging done in Stage3D & AGAL (Flash Player 11)

Does anyone know how to create a Texture feedback effect in Stage3D / AGAL? I've just found the term "ping-ponging" in some GPU wikipage, hopefully I'm using it in the right place! I'll share with ...
1
vote
1answer
298 views

How do I use tiles and sprites together in an isometric scene?

I'm trying to write a 2D isometric scene. Rendering order is complex, since both tilemaps and sprites are different concepts. Rendering one of the 2 before the other will draw the scene incorrectly. ...
4
votes
1answer
411 views

Drawing entities in an isometric engine

I am having some problems drawing my entities in an isometric map. Tiles are drawn using Painter's algorithm to do the z-sorting which works great for the tiles alone. Entities are parented to a ...
1
vote
2answers
152 views

Back to front drawing in an Unorginized array of tiles

I have an Array of tiles in no particular order. How would I do a isometric back to front rendering on it? Do I HAVE to order it?
1
vote
1answer
70 views

Shader - Realtime texture masking

The first thing that comes in mind is masking using RGBA values. With this you can obtain this kind of textures and this kind of results. But with this, you can only store up to 4 masks inside a ...
0
votes
2answers
102 views

Do I really need a render() method in the game loop if the view subscribes to the models?

For a game that I'm working on, we've followed the MVC paradigm. However, in classic MVC, the view subscribes to the model and when the model updates it informs the view. We've implemented this as an ...
0
votes
2answers
81 views

Rendering objects with either normal maps, either specular maps, or with both, or with neither?

My hobby engine has a deferred renderer that supports normal maps and specular maps. Now, some objects may have normal maps, and some may have specular maps. In some cases, an object has both maps, ...
0
votes
0answers
45 views

GameObject is only rendered when it has a negative z scale

I have an orthographic camera that looks like this: I create 2d polygonal meshes that have uniform z values in their vertices. I use Camera.ViewportToWorldPoint() to map these viewpoint vertices to ...
0
votes
0answers
20 views

Rendering a trail after an object as it moves [duplicate]

I'm struggling with implementing a "trail" effect after a vehicle - a rocket for example. I would like to have some control over it (erase a part of the path or possibly detect it's collision with the ...
6
votes
2answers
157 views

Decoupling assets, instances and the rendering module [closed]

I am trying to redesign a home-grown hobby engine. It became apparent that it was far too tightly coupled and so I'm trying to redesign it in a more modular way. Unfortunately, I'm baffled by the ...
1
vote
1answer
40 views

Drop in quality of rendering of texture [closed]

Platform: Android OpenGL ES 2.0 I'm drawing a texture on to a square using OpenGL ES2.0. The texture scrolls infinitely in vertical direction. The rendering quality drops very rapidly after a few ...
0
votes
1answer
58 views

Event handling for Pressing only 4 keys on desktop

I want to poll only 4 keys i.e. Keys.LEFT, Keys.RIGHT, Keys.Up and Keys.Down in libGDX strictly. That means, I want to call render method, only when above 4 keys are pressed. I followed below link ...
0
votes
1answer
67 views

Rotating and scaling textures built up of pixel arrays in java?

I'm making my first real game, in Java, and I'm currently working on the base system, for rendering images (sprites) and I wonder how I can rotate sprites. My sprite class looks like this: ...
1
vote
1answer
91 views

How to improve Batch Rendering to work with 3D skeletal animation data

I've implemented a batch rendering technique that is described in detail here: http://www.gamedev.net/page/resources/_/technical/opengl/opengl-batch-rendering-r3900 I'd like to extend it now to ...
1
vote
2answers
126 views

Boost per-pixel rendering

I'm writing my own renderer in pure java without any external libraries. I'm using per-pixel rendering. I'm rendering an image with this method: public void renderImage(int x, int y, RawImage image) ...
3
votes
1answer
120 views

Why is my DX9 render target restricted to 512×512?

When I use a render target higher in resolution than 512×512, I receive an image with black borders, depending on how big this texture was. Why is this? How can I fix it? Here's how I create the ...
1
vote
1answer
245 views

How can I draw a specific GameObject into a texture in Unity?

I need to draw only a few specific objects into a texture (with their material) and then use that RenderTexture as a texture for an another object. I think Graphics.DrawMesh() and ...
2
votes
1answer
98 views

Transparency behaviour on PowerVR

I'm doing some graphics optimizing tests, especially on PowerVR transparency. Now I made a scene where there are two groups of simple objects. One group has the shape in geometry using diffuse shader ...
1
vote
0answers
46 views

How is the Unreal rendering pipeline implimented? [closed]

I know this seems like a very broad question, but i am just interested in getting to know how the Unreal engine's rendering pipeline looks like, specially how it handles meterials, different types of ...