A bitmap (raster image) used in a texture mapping process.

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0
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2answers
439 views

OpenGL - How can I make the edges of this textured circle smoother?

I'm building a game and I've applied a certain texture (RAW file) to a circle (GL_POLYGON) in OpenGL. It loads correctly, with the right size and all, but the edges seem a bit jagged and I would ...
0
votes
0answers
82 views

UV Mapping Best Practice for Architectural 3D Assets?

What would be a commonly preferred method of UV mapping for architectural 3D meshes that are being used as game assets. What I'm talking about are segments like walls, floors, ceiling, corners, etc. ...
1
vote
1answer
83 views

What's wrong with my method of getting intermediate rendering to my postprocessing shader?

I'm working on a project in OpenGL. Earlier this week, I successfully implemented Deferred Shading, but I'm not sure how to pass the information from the Deferred Shader to the Post Processing Shader. ...
0
votes
1answer
129 views

Multi texture obj files? [closed]

Im downloading some free 3d models off the internet to test things in my game. When I download the package, it gives me a bunch of texture files and the obj model. What I dont understand is what I do ...
0
votes
1answer
73 views

Textures not rendering on part of Cube [closed]

Hello all I have been trying learning opengl and have rendered a colorful cube and decided to texture it, now when I run the program the textures render on all of the faces except for the back face ...
1
vote
0answers
89 views

DirectX 11 GenerateMips only works with premultiplied alpha?

The GenerateMips method in the ID3D11DeviceContext allows generation of mipmaps at runtime, which is fine for fully opaque textures. However, when this method is used with transparent textures that do ...
0
votes
3answers
174 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 ...
0
votes
0answers
187 views

Unity3D Resize texture without corruption

I am currently working on a solution to make my game look very pixelated, like Doom or Quake. But there is a big problem. B.T.W I'm not using Unity Pro I render my camera to a 1920x1080 texture, ...
1
vote
1answer
86 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
445 views

Resizing a Framebuffer Object (ie: its attachments) on Screen Resize

I have been experimenting with some post-processing effects and I have been using FBOs to store stuff. The problem is, I attempt to resize them when I change resolution. I get no errors, however the ...
0
votes
1answer
96 views

Render model with meshes with materials and/or textures

I'm making a model class that is using Assimp in the background. I want my models' meshes to be able to have a material and an optional texture on top of that. Right now I'm doing it like this: for ...
4
votes
1answer
60 views

How can I find the minimal texture size so the texture requires no pixel interpolation when transformed by a given matrix?

Given a rectangle with width x and height y, and a transformation matrix T: How can I estimate the minimal resolution of the texture (that is, its width and height) such the interpolation of ...
1
vote
3answers
156 views

Should I use textures that are the size of the object?

I've been reading but couldn't find an answer to my question: If I have an object, let's say 30x30. Should I use a texture that is 30x30, 300x300, or even 3000x3000 or should I follow 'the powers of ...
1
vote
1answer
149 views

Is it possible to use unnormalized texture coordinates from a GLES2 GLSL fragment shader?

I want to look up a texel from my GLES2 GLSL fragment shader using un-normalized texture coordinates (0-w, 0-h instead of 0-1, 0-1). The reason is that this texture is used as a look up table and I ...
6
votes
2answers
1k views

How do OpenGL's texelFetch and texture differ?

I understand the main differences between texelFetch and texture, but have some questions about the details: Does texelFetch involve a performance penalty? Such as not using a cache or such? Are ...
0
votes
2answers
138 views

Why not just create very high resolution graphics and use them on all screens?

I'm creating a game with pretty basic graphics (numbers, blocks, words, and a few nice design elements for the logo and such). My question is: can I create everything in a very high resolution- say ...
3
votes
1answer
364 views

What's the proper way to set up a texture atlas in Unity 3D?

I am using Unity3d (free) to make a game with user-defined content (i.e., load in a map, it'll build the level for you). Everything is working as expected, except for the rendering. Note the ...
0
votes
0answers
79 views

Why do I get an 'invalid call' error when creating an R8G8B8 volume texture?

I'm trying to create a VolumeTexture in C# with SharpDX, but it fails: var form = new RenderForm("SharpDX - Test"); var device = new Device(new Direct3D(), 0, DeviceType.Hardware, form.Handle, ...
1
vote
1answer
127 views

Copying a texture's colors to a new texture to create a new sprite

Let mySprite be some .PNG sprite: Texture2D tex = mySprite.texture; Sprite sprite = Sprite.Create(tex, new Rect(0,0,tex.width,tex.height),new Vector2(0.0f,0.0f),1.0f); The resulting sprite can be ...
3
votes
2answers
2k views

2D Collision masks for handling slopes

I've been looking at the example at: http://create.msdn.com/en-US/education/catalog/tutorial/collision_2d_perpixel and am trying to figure out how to adjust the sprite once a collision has been ...
0
votes
0answers
130 views

WebGL - Luminance textures from JPG images

Is there any way to create a WebGL texture with Luminance format from JPG image? JPG images have 3 color channels and luminance texture has only one channel. The problem is that gl.texImage2D can't ...
0
votes
2answers
184 views

How to draw a textured 2D square using OpenGL

I am attempting to get started using OpenGL, and have learned how to open a window and draw basic shapes. However, I do not know how to texture them and have been unable to find any tutorials on how ...
7
votes
2answers
4k views

How do I load textures with SFML for OpenGL?

I'm looking at NeHe's texture mapping tutorial. It looks overly complicated for just loading a texture. Is there a way to load a texture in SFML and then use it in Open GL? I use SFML for my ...
0
votes
1answer
1k views

Where can I learn about Substance maps for 3ds Max 2012? [closed]

A new feature in 3ds max 2012 is Substance procedural textures. Are there any good online libraries or resources for substance maps?
1
vote
0answers
98 views

Lag when drawing single Texture multiple times in libGDX [closed]

I am building a game where you are basically drawing little dots on the screen with the help of the accelerometer. I am using a single instance of an Actor where I store the coordinates that needs to ...
0
votes
1answer
54 views

Texture2D.SetData Method Overload

Been reading up on various methods in the XNA framework, and found this one. I've done some Google searching, but I can't seem to find any information on how to use this particular method overload. ...
0
votes
2answers
336 views

32 bit or 16 bit textures

I'm trying to build some 2d character with Photoshop and Spine. By now, I have created some of my characters using 16 bit color depth images in Photoshop. Now, I wonder whether I have to use 32 bit or ...
2
votes
1answer
118 views

OpenGL ES Single Bitplane Texture (or something close)

I'm looking to use a texture to store single bits (or a low number of bits, two or three). This in of itself isn't hard if you're using nearest neighbor sampling with some bit plane unpacking. The ...
15
votes
3answers
6k views

What exactly is UV and UVW Mapping?

Trying to understand some basic 3D concepts, at the moment I'm trying to figure out how textures actually work. I know that UV and UVW mapping are techniques that map 2D Textures to 3D Objects - ...
1
vote
1answer
355 views

Texture Region drawing issue with LibGDX

I am currently moving my old slick2d project to libgdx. I have created a custom AnimationExt class that extends Animation to which I added a draw method. The Animation's frames are actually ...
2
votes
1answer
585 views

How do I change a Unity 4.6 Sprite's textureRect at runtime?

I'm using Unity 4.6, and I've made a sprite like this: AtlasFrameData frame = _testAtlas.GetFrameByIndex(0); Rect spriteRect = new Rect(frame.Position.x, frame.Position.y, frame.FrameSize.x, ...
0
votes
1answer
234 views

minecraft mapping from tibia OTBM file

I am new to minecraft modding but i program for a living and it looks quite simple to get around. I have this fantasy and a quick internet search shows im not the only one. For those of you who do not ...
5
votes
3answers
5k views

Can I make a mirror with Unity Free?

If I understand correctly, render textures are a feature of Unity Pro, and that is the best way to create mirrors, TV screens, and so forth. If I am wrong, please tell me. What I would like to know is ...
6
votes
4answers
283 views

Keeping sprites nice and pixelated

How do I keep the sprites in my game nicely pixelated on screens of all sizes and resolutions? I use nearest-neighbor texture filtering when resizing pixels, but this works well only at really high ...
1
vote
1answer
70 views

Missing texture coordinates for channel 0 Fbx and XNA 4.0

I'm getting this error while trying to load a model in XNA 4.0 : Error 2 The mesh "transform1", using SkinnedEffect, contains geometry that is missing texture coordinates for channel 0. The model ...
0
votes
1answer
85 views

Texture organization and budgeting for a HD Sprite Based Game [closed]

I've been making a game that features 2 traditionally animated playable characters, hd backgrounds, props, and extra special effect animations. Things have gone well so far, but I have a few questions ...
1
vote
1answer
67 views

XNA: “TextureCoordinate0” missing, but I'm not using textures

I'm trying to create a voxel game using XNA, but I'm getting a somewhat bizarre error when calling DrawIndexedPrimitives(): InvalidOperationException was unhandled The current vertex declaration does ...
3
votes
1answer
247 views

XNA windows phone release black textures [closed]

i just made a 3d game in XNA for windows phone 7. I build it in release mode on visual studio 2010 and suddenly when I run game there is no textures on models - 2 models are black and one is ...
0
votes
0answers
61 views

How to evenly add textures to objects in Three.js?

I'm trying to add simple textures to my game in Three.js but I can't figure out how to evenly map textures to differently sized objects. This is how my textures look at the moment: The textures ...
1
vote
0answers
90 views

How do I fill a shape with a texture in Libgdx?

I am making a 2D racing game. I want to fill the area of the ground object with a texture. I have the shapes of the ground (a Box2D shape). If I make images of the ground with textures, it uses a lot ...
4
votes
2answers
3k views

What does changing GL_TEXTURE_WRAP)_(S/T) do?

I am working through some beginner OpenGL tutorials, and the current one teaches how to apply a texture to a simple rectangle. The tutorial states tells me to set the texture parameters ...
1
vote
0answers
115 views

How can I use a texture as a font in Unity3D

I am making a game in unity and I am trying to make a custom font for showing numbers. I created a png with the numbers, turned it into a material and added it to a custom font object. I set up the ...
0
votes
0answers
80 views

Flickering Textures

I have downloaded an FBX and its textures and imported them into my project. The problem I have is that the textures are flickering very much in my current scene whenever I move the mouse. I have ...
0
votes
0answers
153 views

Update DirectX 11 Texture Created in Unity Asynchronously in the Native (c++) Plugin

Sorry for the long question :D tl;dr version :) Is it possible to update DirectX 11 textures created in Unity asynchronously in a native plugin (C++)? I've written a plugin that retrieves data from ...
0
votes
1answer
100 views

My texture blends into one single color (DirectX11)

First thread on gamedev stackexchange. I am currently creating a cube with a single texture on each side. I got my cube up and running. But when I apply my texture, I get this: It blends the ...
1
vote
2answers
1k views

How do I choose an optimal texture size for a mobile Unity game?

I am developing a 2D game with Unity2D for Android, iOS, WebPlayer and maybe for desktop computers. I think the working resolution of my game is 1280*800. How do I choose the optimal size of ...
1
vote
1answer
177 views

HLSL: An array of textures and sampler states

The shader must switch between multiple textures depending on the Alpha value of the original texture for each pixel. Now this would word fine if I didn't have to worry about SamplerStates. I have ...
1
vote
0answers
197 views

Does Unity's “Compression quality” affect ETC2 compression?

In Unity I am using "Advanced" texture options on Android with ETC2 8-bit compression. There is an option for "Compression quality" as described here: ...
0
votes
0answers
97 views

When camera moves the textures move and rotate

I recently followed the tutorial at PaulsProjects on shadow mapping. After finishing the tutorial all of my textures seemed to have vanished, then I moved my camera and the texture reappeared. But the ...
1
vote
0answers
63 views

Sprite framework binding multiple textures

In an attempt to batch render as many quads (sprites) as possible, I'm instance rendering a single unit-sized quad and passing in a buffer of per-instance data that includes width/height, texture ...