Questions tagged [textures]

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

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How to create brush that paints or erases in Unity(Mobile)?

Kind of a simple question but I have no idea where to start. Basically I just want to use my finger to drag along an image and either paint on it or erase the image texture entirely (presumable using ...
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How to achieve highly detailed textures on buildings/architecture?

I have a bit of experience when it comes to 3D modeling, but something I never really wrapped my head around is environment modeling. You know, you walk down a road and you see lots of buildings, they ...
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Draw onto an object's texture based on a raycast hit position in world space

I am trying to get the world position of a pixel inside a fragmented shader. Let me explain. I have followed a tutorial for a fragmented shader that let's me paint on objects. Right now it works ...
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Using indices with UV texture coordinates [duplicate]

So I've been trying to make a simple 3d cube in OpenGL. Creating the vertices and indices was easy, but now I have to texture it. No matter how much I mess with the texture coordinates, some sides ...
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Ambient Occulsion baking issues

So i did the texture building using generators that relies on ambient occulsion. However i just noticed this issue. There are two platforms that are duplicates of each other and are rotated. The green ...
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How can I draw the details?

As far as I know there are three ways to make a detail appear on texture. Sculpt and bake it Use normal painting(called Textures on Substance for some reason) Draw the detail by hand and apply it on ...
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Substance Painter: Jagged edges when painting normals

I am painting normals on a normal layer using the Textures tab to make bumps and crevices. But the effect is so jagged. How can I fix this? INB: Texture Set is already on 4K so it's not a quality ...
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Projecting grid textures to select parts of the terrain (Unity)

So I'm trying to be smart and not use 500+ some tile prefabs to make a grid, and so far the back-end portion has gone swimmingly. I initially used a dedicated mesh to represent the grid, but as I'm ...
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Is there an algorithm for making tiles in a tilemap join each other as regions? [duplicate]

I have a tilemap, which consists of references to kinds of tiles that are stored by coordinates, so that tilemap[x][y]=tiletype. I'm using Box2d to be specific, so ...
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Difficulty in understanding how tex2Dlod works

I am new to shader programming. I was just referring to some blogs to learn more on this area. I came across this article https://halisavakis.com/my-take-on-shaders-grass-shader-part-i/ According to ...
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Changing alpha of single pixel value?

I'm trying to change the alpha values of a grayscale texture based on some conditions. Essentially if the color value is within some min and max threshold, set the alpha to 0.8, and if it is not ...
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Converting texture format

I am implementing glTF scene loading in my pet DirectX 11 renderer using tinygltf loader from Syoyo Fujita. When loading a texture, tinygltf loads its raw data in its native format (e.g. 4x8b uint in ...
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Texture dimensions guidelines

I have 3 related questions: What are the main optimizations related to power of 2 dimensions for 1D/2D/3D textures? This question gives some answers like mipmapping, but are not well explained and ...
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Can I use trilinear filtering for my sprites, but keep their outlines unfiltered?

Suppose that I have two images of equal size. They both contain a square: https://i.stack.imgur.com/BI62X.png https://i.stack.imgur.com/Nev5Z.png When overlapped, both squares will appear next to ...
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Unreal Engine Niagara Write to Texture or Data Structure

In the Niagara system, is there any way to write to a texture? I want to write the position of each particle into a texture. So the 2d grayscale texture has its intensity as the number of particles in ...
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How to blend textures with different size optimally?

I am trying to create a 2D lighting map. For each light source I have an Color[,] with size less than whole map and a coordinate of center. There can be many light sources and they can intersect (2 ...
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Unity3d Webcam Video Wall from Cubes

I have a 16x9 wall of cubes in my scene (added via c#) I want to show my webcam onto them while then being able to move the cubes around. My thoughts were to put the webcam footage on a bitmap image ...
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Batch resizing of textures

I have a large number of png files that I need resize so the sides are in powers of 2 without stretching the images in those files. Basically add/remove white-space so the image is in the upper left ...
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Optimizing texture fetches with higher mip levels

Let's say I have some shader program in DirectX or OpenGL rendering a full screen quad. And in a pixel/fragment shader I sample some huge textures at random texture coordinates. That is one same ...
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UV unwrapping and texturing for a voxel terrain

As sugested by another kind user, I started using MagicaVoxel to create the scenery for my game (which is in the 2.5D style of Pokémon Gen 5 or Octopath Traveler). I managed to import the test object ...
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Can't load textures to the game

I am making a game with SDL and C++. I am trying to render simple image to the screen but I can't. I don't know why, I am not getting any ERROR but I see only black screen. Here is my code: game.h <...
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Unity 3D - Materials are Stretching and Tiling doesn't Help

I am a programming student working with Unity 3D, version 2018.4.6f1 for this class. I wanted to add some materials to my wall, however, this results in a rather ugly result, because my walls are of ...
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What is the Workflow? Blender -> Substance Painter -> Unreal Engine 4

My name is Jose and I'm pretty new to Game Art Development. I know some intermediate UE4 (both C++ and Blueprints), but my weakest point has always been the workflow to import assets from Blender and ...
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texturing a race track - applying variations

I have created a simple race track in Blender using bezier curve, array and curve modifiers. A track is created from simple planes and the basic seamless asphalt texture looks quite good. As you can ...
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Blender-Unity (+ Lightmaps): Can I (should I?) have multiple UV maps for a single mesh?

I am making a game that I worry is not running optimally due to lots of high-res textures. The irony is that most scene assets use the same materials but I have to (do I?) unwrap the entire mesh on a ...
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1answer
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Unity: White outline around seams in my character, make it stop!

so once upon a time I made a really cool character for my game project and he looked great. Then at some unspecific point in time, my character's UV seams got these awful white outlines around them: ...
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PyOpenGL Cubemap ARB Texture not rotating with gluSphere

I've made a gluSphere render in my display and have given it a cube map texture of the Earth. The texture is visible just fine (see below), but I cannot get it to rotate along with the shape. this ...
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Having trouble with getting an image to fit on a face of a cube

I have a problem with a Unity project that I'm working on. I'm creating an 3D art gallery which will be developed into a VR application in the future. In a 3D scene, I have created a ...
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245 views

How to Convert Sprite into Texture

I Have image with a sprite and i want to change this image sprite to Texture so that I can assign it to the material And i don't want to keep multiple copies for each image as a sprite and texture. ...
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1answer
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creating 2d array texture with mipmap

these day i am working with texture2d array with mipmapping. so this is how i tried so far. my approach load multiple(not textureArray form) textures that i want to set as array from computer folder. ...
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1answer
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Draw textured circle / 2D shape in SceneKit

I have the following code to create a circle Path and a SCNShape from this path. orbit_gradient.png is a horizontal 1px high image that represents a gradient. ...
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how to generate mipmap, and check if done properly?

i am implementing Mipmapping for my texture for the first time. i have 2 questions HOW TO CHECK IF MIPMAP IS DONE PROPERLY ? HOW TO SET MIPMAP FOR TEXTURE FROM FILE ? First one. i implemented ...
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1answer
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Attach an Animated Texture to a Character in Unity

Is it possible to have an animated texture of facial features on a characters face in unity? (I haven't made the game yet, I'm researching). I would like to achieve a cartoon effect.
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1answer
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reading from texture2d resource in directx11

Hi^^ i am trying to read data in resource, which i used to do well without any problems. but suddenly it is not working. first i made immutable resource that has data in it, which is ...
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Extract “alpha” layed from “.dds” DXT3/DXT5 texture file

Given: Examples are provided using python, but it's not matter. There is white_small.png, contains RGBA. And there is ...
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Unity cloud build speedtree textures incorrect type after build

So I finally (after a few days) got unity cloud build to work. When I build it using the unity editor everything is fine. However, when the cloud build service builds it I get some odd textures for ...
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1answer
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How to add noise into a texture?

I'm working on a Heat Map generated from Perlin Noise. So far I've got 2 different outputs. Let's go step by step: The result should be something like this: This is the Perlin Noise I've got, easy ...
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Blitting multiple SDL_Surface texts on top of an empty SDL_Surface results in strange outlines

I'm trying to create a single SDL_Surface that has multiple lines of texts stacked on top of each other using SDL2. When I create a single ...
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1answer
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Soft Body rendering from OBJ model

As part of my master thesis I have to do an softbody simulation. I 'm using Bullet Physics engine. I'm trying to render softbody, create from Meshes, with Shaders in OpenGL but the object doesnt ...
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1answer
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Removing texture wrapping artifacts in OpenGLES

I'm drawing an 2D array of cubes in 3D space using OpenGLES. The texture that I have bound is spritesheet-style; that is, it's multiple textures packed into one. If you look closely at the front of ...
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1answer
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What are these three different texture types I found in Pokémon sun?

I am currently trying to extract the Pokémon models/textures/animations of the Pokémon Sun game so i can use them as placeholders in Godot. At the moment I have the model, the textures and the ...
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1answer
134 views

How can I spread my texture evenly across a cylinder in Unreal Engine 4?

How can I spread my texture evenly across a cylinder in Unreal Engine 4? Specifically, in the image below, I would like have texture on cylinder (on the left) match the one on the box (on the right). ...
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1answer
101 views

How to store noise in a GL texture

I find that my procedural simplex noise in my fragment shader hurts performance, so I thought I would just use a stored noise texture instead. I would like my noise values to have better than 8 bits ...
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1answer
83 views

Rendering multiple textures on same image for terrain with index buffers (LWJGL 3)

I have started with LWJGL3 and trying to built game engine. I'm stuck on generating terrains and this is my second big problem and I'm exhausted so I need some advice on how to solve my problem. What ...
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1answer
48 views

Problem with rendering multiple textures from same image (LWJGL 3)

I have started with LWJGL3 and trying to built game engine. I'm stuck on generating terrains. I have one image that contains two textures. So now for example I want to generate terrain with only ...
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2answers
173 views

How to make a texture appear the same way in a cube?

My problem seems so simple, that before asking the question here I did a search on google and this site: https://forums.unrealengine.com/development-discussion/content-creation/33665-applying-and-...
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1answer
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How to set the UVs of a procedurally generated road mesh?

I want to create a road through a c# script in Unity. I created a mesh like this. The "vertetices" first adds the left and then the right points. Then set the UV the same order and value as "...
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1answer
118 views

OpenGL Textures: Texture contains color lines when object is further away that some distance

I tried searching on the web but couldn't find a reason for this. When I render an object close to the camera, the object and texture renders fine. But further away from a fixed distance, it starts ...
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1answer
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What would be the benefit of placing all of a room's textures on an object outside of the camera's view?

Pokémon XD: Gale of Darkness does an odd thing with textures. As described in this video, all textures for a room are placed on an object outside of the camera's view: This kind of caught me off-...
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UV mapping a playing card in Maya for use in Unity (using a SpriteSheet of all the playing cards). One Material or Two?

I am wanting to make a pack of cards in Unity and Maya. I am familiar with UV unwrapping in Maya, but I never used sprite sheet for my models i unwrapped. (They all just fit onto one texture so far). ...

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