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

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1answer
592 views

XNA 2D game fullscreen issue

Hello! I am creating a 2D farming game using XNA - just today I have tried applying full screen to it, and I realized I failed badly with something. It cuts off a bit of the lower part [item hotbat ...
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1answer
303 views

Using two FBOs results in the second FBO having nothing drawn to [closed]

I'm writing a deferred renderer, and I use two FBOs: the first one for G-buffer (color, normal, depth) and the second one for lighting (light output), so the first one has three textures bound and the ...
0
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1answer
119 views

Rendering an object more than once

Right now I'm facing the issue of rendering the same objects more than once in Directx 11, as the object has: A diffuse shader A directional lighting shader A texture shader Now the final color ...
0
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1answer
455 views

How to scale a texture in OpenGL/LWJGL?

How would I take a texture and render it to a specific size? The texture I'm rendering has a 1:1 ratio so I want to be able to render the whole image like if the window is wide then put black outlines ...
1
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1answer
144 views

Books that discuss practical rendering techniques? [closed]

I'm looking for some books that discuss practical rendering topics like say rendering a bsp level or md2/3 mode, making a little quake like game as the goal or something to that effect. Any ...
2
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1answer
332 views

OpenGL Fast-Object Instancing Error

I have some code that loops through a set of objects and renders instances of those objects. The list of objects that needs to be rendered is stored as a std::map>, where an object of class ...
4
votes
1answer
370 views

Clever way to do the Sonic 2 Bonus Stage effect saving memory

What would be a good way to save memory to achieve an effect like this one? http://www.youtube.com/watch?v=K89LkvL9JZ0 We're using pre-rendered 3D. I'm asking this because this naive approach of ...
2
votes
2answers
444 views

How do I calculate consistent frame timings at 60fps?

I'm writing an HTML canvas game that uses requestAnimationFrame and therefore runs at 60fps, although this is more of a question about failing arithmetic than about JavaScript. If I measure the time ...
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2answers
581 views

Tile-based game with DirectX - issues with transparency and StretchRect

In my current project I have a class which loads a map file and then it should load all associated tilesets (no transparent tiles - I used to work with magenta as a colorkey) and precreate a surface ...
0
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1answer
112 views

Calculating other objects based on the transform of another

What I want to do is create my graphics to be independent of the game framework. So basically the graphics won't know anything until it is told where things are. so the thought was that every ...
2
votes
6answers
806 views

Is it good to sort objects list before every rendering?

I need to render a "tile" game, which are like these: or or I don't know how to render them in correct order. I intend to perform a sorting operator before every rendering (depending on their ...
0
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2answers
189 views

Images not rendering in Slick

I have built a game that uses the Slick framework. The maps are tmx files and were built using TileD. The game iterates through a list of players and maps - once a game with a player and map is ...
3
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1answer
2k views

Does SFML render graphics outside the window?

While working on a tile-based map I figured it would be a good idea if I would only render what the player sees on the game window, but then it occurred to me that SFML could already be optimized ...
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1answer
1k views

haxe level scrolling

How would level scrolling be implemented with haxe and nme? I started plying with haxe and currently the only way to display things on screen is by using nme.display.Sprite. I don't think changing ...
1
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1answer
539 views

Collision detection against specific sprite shape using XNA with Farseer Physics?

I am making a 2D XNA Game, using Farseer Physics for collisions. I need collisions to be resolved against the actual shape of the sprite image, ignoring transparent pixels, rather than against the ...
1
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2answers
762 views

8-bit Game: To pre-scale images, or post scale my Cocos2d scene. Which is the better approach?

I'm wanting to develop a game with an 8-bit feel. Since this game is mostly for my personal enjoyment, I've set a requirement that I want my game to have an 8-Bit feel to it that is most similar the ...
2
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0answers
134 views

How to improve my maxscript random blood generation code?

The idea was simple. Draw basic blood drop meshes. Shuffle them with random generator to get final drop's. Export and render them in game as other meshes. The problem is that it's not looks like a ...
3
votes
1answer
546 views

How do I render a filled and stroked path using OpenGL?

I want to render a 2-dimensional geometric path consisting of Bézier curves and straight lines. Paths can be concave. What is the most efficient way to draw this using modern OpenGL? Can I do this ...
0
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2answers
244 views

Logic / Render phases with a single thread

The question I have may generate different opinions from different developers, but I'd still like to have an answer on this. Its all about the updating and rendering steps of the game loop, and their ...
9
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2answers
2k views

Why are some games using some dithering pattern instead of traditional alpha for transparency?

Recently, I have seen some 3D games (eg: GTA IV) to use some kind of ordered dithering to simulate transparency / alpha. The polygons are not transparent as usual, but instead render a dithering ...
3
votes
1answer
750 views

Write depth buffer to texture

I need to read depth buffer from GPU and write it to texture. How this can be done? Here is how texture for depth buffer is created: depthBufferDesc.Width = screenWidth; depthBufferDesc.Height = ...
3
votes
1answer
397 views

Pygame performance issue for many images

I've made a script for generating a game world based off of image pixel data. Trying to make a python map editor My progress so far has resulted in a program which loads an image and draws sprites ...
1
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1answer
244 views

Mapped texture to a gluSphere not wrapping correctly

I have a 3D sphere rendered using JOGL by means of GLUquadric. I'm trying to add a texture but it is not rendering as correctly. Does anyone understand why the texture (upper-right of sphere) isnt ...
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2answers
523 views

Should the world transformation matrix be stored in a constant buffer when rendering?

Generally when rendering objects you would: Apply world transformation to go from object space to world space Apply view transformation to go from world space to camera space Apply perspective ...
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3answers
1k views

Component-based Rendering

I have component Renderer, that Draws Texture2D (or sprite) Then I have method OnUpdate, and there should be my rendering code, something like spriteBatch.Draw(Texture, Vector2.Zero, Color.White) ...
4
votes
1answer
926 views

OpenGL ES 2.0 texture distortion on large geometry

OpenGL ES 2.0 has serious precision issues with texture sampling - I've seen topics with a similar problem, but I haven't seen a real solution to this "distorted OpenGL ES 2.0 texture" problem yet. ...
0
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1answer
705 views

Custom VertexDeclaration for Color, Texture, Normal

What is the best way to create a VertexDeclaration, that makes it able to render a Shape consisting of vertices and also be able to store a color for the shape (in case the texture can't be rendered - ...
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3answers
634 views

Event Based Render / Update Loop

I'm working on a few game dev tools which use OpenGL or DirectX to render 3D models (viewing). Consider your favorite 3D modeling software package (Softimage, Maya, 3DS Max, modo, etc.). Note that ...
3
votes
1answer
688 views

Blender Object Appearing Gray when all Lights are Off

I have an issue with Blender where, when I turn my only light off (a sun lamp) and render the image my object appears gray rather than black (and thus, not appear to the camera). I can't figure out ...
11
votes
4answers
1k views

What is an achievable way of setting content budgets (e.g. polygon count) for level content in a 3D title?

In answering this question for swquinn, the answer raised a more pertinent question that I'd like to hear answers to. I'll post our own strategy (promise I won't accept it as the answer), but I'd like ...
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3answers
370 views

What name (if any) applies to this particular 3D rendering technique?

Is there a name for this technique where when instead of rendering certain polygons, you just calculate a few key points and do the drawings in 2d? For instance, instead of rendering a sphere, you ...
2
votes
1answer
129 views

Where in a typical rendering pipeline does visibility and shading occur?

I am taking a computer graphics course. The book and the lecture notes are vague on the on the order of flow between the different steps in the rendering process. For example, if we have specified a ...
1
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2answers
277 views

How do I cap rendering of tiles in a 2D game with SDL?

I have some boilerplate code working, I basically have a tile based map composed of just 3 colors, and some walls and render with SDL. The tiles are in a bmp file, but each tile inside it corresponds ...
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1answer
523 views

Game Engines with real time lighting

I am studying computer graphics since 3 semesters and we just started with OpenGL. I really enjoy it and want to create my own little engine for learning purposes. I already read tons of different ...
4
votes
2answers
946 views

Square game map rendered as sphere

For a hobby project of mine I have created a finite voxel world (similar to Minecraft), but as I said, mine is finite. When you reach the edge of it, you are sent to the other side. That is all ...
0
votes
1answer
176 views

Render graphics using Doubles in Graphics2D

Currently, I have a JFrame for my game to render in, and I'm using Graphics2D for drawing (The games graphics are fairly simple 2D sprites). However, my delta variable is a double, and all of the ...
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votes
1answer
387 views

Isometric Rendering and Picking [duplicate]

Possible Duplicate: Isometric rendering and picking? I've been looking for a formula to plot (world->screen) and mouse pick (world->screen) isometric tiles in a non-diamond-shaped world. ...
3
votes
1answer
196 views

blurry image rendered

I'm using Direct2D to render a PNG image using a ID2D1BitmapRenderTarget and then caling it's GetBitmap() function and rendering the image using ID2D1HwndRenderTarget::DrawBitmap(). Some of the ...
2
votes
2answers
196 views

Drawing multiple triangles at once isn't working

I'm trying to draw multiple triangles at once to make up a "shape". I have a class that has an array of VertexPositionColor, an array of Indexes (rendered by this Triangulation class): ...
5
votes
2answers
1k views

How can I render text above a mesh in DirectX 9?

I want to render some text over a mesh in my DirectX app. It will have a similar application to health bars for units in games, just as text rather than a bar. I'm looking for the simplest way to do ...
2
votes
1answer
261 views

Software rendering 3d triangles in the proper order

I'm implementing a basic 3d rendering engine in software (for education purposes, please don't mention to use an API). When I project a triangle from 3d to 2d coordinates, I draw the triangle. ...
4
votes
1answer
278 views

Is there any heuristic to polygonize a closed 2D raster shape with n triangles?

Let's say we have a 2D image black on white that shows a closed geometric shape. Is there any (not naive brute force) algorithm that approximates that shape as closely as possible with n triangles? ...
6
votes
3answers
1k views

What is the best way to render a 2d game map?

I know efficiency is key in game programming and I've had some experiences with rendering a "map" earlier but probably not in the best of ways. For a 2D TopDown game: (simply render the ...
1
vote
3answers
210 views

relationship between the model and the renderer

I tried to build a simple graphics engine, and faced with this problems: i have a list of models that i need to draw, and object (renderer) that implements IRenderer interface with method ...
5
votes
2answers
2k views

What is the order-less rendering technique that allows partial transparency?

I've seen somewhere rendering technique that allows order-less rendering of partially transparent sprites/objects. Though I can't remember what the technique is called, so I'm having trouble Googling ...
3
votes
1answer
327 views

how to change the number of rendered frames in Blender

i´m using blender to render an animation in single pictures and i want to make an 16 frames animation out of an 24 frames one without changing the set keyframes. Is there an option to skip every 3rd ...
1
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0answers
113 views

Rendering text with stb_font results in glitches [on hold]

I'm trying to render text with OpenGL and an "inline"-font taken from the stb_fonts The relevant code for initializing the font & rendering: LabelFactory::LabelFactory() { static unsigned ...
0
votes
1answer
501 views

Color Picking Troubles - LWJGL/OpenGL

I'm attempting to check which object the user is hovering over. While everything seems to be just how I'd think it should be, I'm not able to get the correct color due to the second time I draw ...
1
vote
1answer
189 views

Inter Quake Model IQM render Directx9

I'm trying to render an Inter Quake Model(http://lee.fov120.com/iqm/) in DirectX9 that I exported from blender. I want to display animations which IQM supports and my model format does not. The ...
3
votes
3answers
2k 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 ...