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Game Development

Questions tagged [rendertexture]

A texture to which content can be rendered.

48 questions
info newest frequent votes active unanswered
1
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0answers
42 views

Unity blit() not writing to RenderTexture

I found a nice Gaussian Blur shader online and am attempting to use it to blur a render texture using blit(). However, the render texture remains unblurred. I know for a fact the blur shader works as ...
0
votes
1answer
48 views

How can I pack repeated textures into one texture efficiently?

I have an obj mesh with some textures, several of them are repeated(uvs are not within [0,1]). I'd like to merge all those textures into one texture and transform the uvs of obj.
1
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0answers
69 views

Is it possible to crop a render texture in unity?

Basically what I want to do is, take the source render texture from OnRenderImage and crop it (continuously). I've already achieved this by using ...
1
vote
2answers
83 views

Combining multiple diffuse textures into one leaves strange distortions?

I made 3 models, each has own material. And after texture painting, I combined each their texture to single textures for optimization. Currently making Mobile Game with Unity 2018 and using Mobile/...
0
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0answers
38 views

Capture Screen (from desktop) and make them to a Texture (in unity)

I need to capture certain screen coordinates (which are outside the unity application) and put them into unity as a texture or render texture or some kind of texture (as long as the shader takes it im ...
0
votes
1answer
196 views

Screen Capture rendered on a RenderTexture in Unity

I have a pretty wild idea for a unity application that would work on a multi-display setup. The app would be running in full screen mode on one of my displays, and the contents of the remaining two ...
0
votes
1answer
632 views

How Do I 'Reset' my Render Texture When I Stop a Video Player?

I have a Unity VideoPlayer where I use a render texture with an audio source to play the video. VideoPlayer.Stop pauses the video and resets the time to 0. I want ...
0
votes
1answer
439 views

Using a Compute Shader in Unity to convert a texture to a float array

I have a fairly simple requirement for a compute shader (DirectCompute through Unity). I have a 128x128 texture and I'd like to turn the red channel of that texture into a 1d array of floats. I need ...
0
votes
1answer
101 views

How can I Fade Paint over time?

I want to fading my paint over time like this: but currently It's gray! what Is the problem? Code: ...
0
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0answers
102 views

How to transfer the shaderresourceview into image using sharpdx?

I had a texture which format was R32G32B32A32_Float, and I got it's shaderresourceview. If I want to transfer it into a image object, then how to do it? Is there any demo or code?
0
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0answers
336 views

Unity Camera Render Texture not working with multiple players

So after someone suggested I use render textures for my game's radar I started running into issues using it for multiple players since I instantiate the prefabs of players. This causes the Output of ...
0
votes
1answer
673 views

Noticeable quality loss on texture captured using Graphics.Blit vs Shader output directly to a mesh

I'm currently using a GPU shader to generate a texture. I want to be able to capture the output of this out I'm using Graphics.Blit to output the shaders result to a ...
0
votes
1answer
250 views

How to draw geometric shapes to a texture?

How can I create a texture containing a geometric figure using SDL2? I saw there is a way to convert Surface to Texture, and I also saw that there is a way to draw directly to the screen using ...
2
votes
1answer
959 views

Achieving 2D Lighting for Terraria-Like Game

I'm trying to achieve the fog-of-war lighting style that Terraria and Starbound have. Terraria's lighting system seems to be more blocky/tile based, but Starbound's is a lot more smooth. The Desired ...
1
vote
1answer
185 views

Render 2D texture on the cube texture at given location

I would like to simulate a moving sun on the sky. What I have managed to do so far is calculating the exact location of the sun, that is the 3D direction vector from the camera's position in the world ...
1
vote
0answers
220 views

Creating Saving and Loading Materials in Runtime

I'm trying to create a material during runtime like this: In my Assets I have a Render Texture and one Material I created an Script where I attach the Render Texture to Material I save in my project ...
5
votes
3answers
5k views

How can I make my Camera's RenderTexture output have a transparent background?

I'm writing a 3D game using Unity 2017.1.0b1. I have a disabled Camera that takes a "snapshot" of the current scene and stores it in a RenderTexture when a button is clicked. I then display the ...
1
vote
0answers
199 views

get position of GameObject on rendertexture from camera

I'm rendering the camera output to an rendertexture on a plane. This works fine. But I want to put GameObjects on the rendertexture on positions of world objects that are visible on the camera. <...
1
vote
1answer
87 views

Weird streching of a texture in OpenGL

Here is the problem: I'm rendering a red triangle in an offscreen Frame Buffer Object. I have a texture of that Buffer, and i'm applying this texture to a Simple rectangle(at runtime). I get This ...
0
votes
0answers
362 views

How to make a custom GrabPass-like sampler2D in MRT shader in Unity?

I only know the basics of writing shaders, so I don't have a clue how I can make something similar to Unity's Grabpass in that a RenderTexture that is currently write only, can be changed to readonly ...
0
votes
1answer
171 views

SDL2 Draw scene to texture. SDL2 RenderTexture like SFML

I've been developing a 2D Engine using SFML + ImGui. The editor is rendered using ImGui and the scene window is a sf::RenderTexture where I draw the GameObjects ...
0
votes
1answer
27 views

problem in texturing

the first picture is the texture I'm using. and the second is result. problem! the model file it self is no problem. I think the mode is problem. I saw uv coordinates is more than 1. what kind of ...
1
vote
0answers
2k views

How to clear the content of a Rendertexture?

I want to clear the content of a RenderTexture in runtime. Basically I have this script: ...
1
vote
1answer
623 views

Why is my Canvas/RawImage not included in my Camera's RenderTexture output?

In my Unity2D game, I'm using a second camera to "screenshot" the current view. I then display this screenshot within the game. This works the first time I take a screenshot. When taking the second ...
4
votes
2answers
144 views

Why does rendering to a texture cause transparency here?

As a quick background, this is in the context of a custom game engine I'm writing in C# on top of the SharpDX framework. In the engine, when I render UI, I do so by creating a canvas object with its ...
3
votes
0answers
534 views

Run Unity standalone in Headless Mode whilst capturing screenshots

I need to create a unity project which runs in Headless mode (using the -batchmode command), but it must capture screenshots e.g. every one second and write them out to a file. I understand that in ...
0
votes
1answer
435 views

Default mipmap level & elements to use for CopyTexture in Unity Scripting?

I want to make a tiled map. I want to use the function CopyTexture to copy from a Texture2D (where is stored my tileset) to a RenderTexture. I want to use the third overloading (with all the ...
0
votes
0answers
226 views

How to Access specific MipMap Level from RenderTexture directly?

I need to access the top level pixel of Texture's MipMap. This is what i am doing now: ...
0
votes
0answers
39 views

Slow rendering after applying texture coordinate

I'm using OpenTK and Assimp.Net libraries to display 3D objects in C#. Also my rendering technique is VBO! When I set a texture to my object, the texture will appears in wrong place like this : ...
0
votes
1answer
195 views

ScreenToWorldPoint problems in otherwise awesome Unity demo

I am using this neat Unity demo I found on Stack Overflow, which demonstrates texture masking via RenderTexture: Can you erase a texture in real time in Unity But the mapping from mouse position to ...
-1
votes
1answer
156 views

XNA draw a rectangle 3D perpendicular to camera

I need some ideas how to implement the Draw method. Need to draw a rectangle (actually a million of them, all same texture) that is in 3D, starts at point ...
0
votes
1answer
288 views

Unity swapping textures not working, weird?

I made two textures for my 3D game character. I can use both of them by dragging them on my player but I want to do the same through code. I searched and found that people are either using: 1) ...
0
votes
1answer
481 views

Unity, Does camera ALWAYS render to RenderTexture?

I have a camera that renders a simple model to a RenderTexture. I then use that RenderTexture as a texture for my UI with a RawImage component. However, sometimes I disable my UI and therefore you can ...
0
votes
0answers
45 views

LineRenderers not showing properly on RenderTexture

So I'm using a LineRenderers to make grid-layouts on 3D space, these grid-layouts serve as a guide for drawing and there are several layouts along the y-axis. Each grid-layout has a camera above that ...
0
votes
0answers
316 views

Line not showing up on render texture image

I have my first functioning weapon in my game, a laser beam. The game is centred around ship-to-ship combat, and the layout is like FTL's - a view of your ship, and a smaller window showing the enemy ...
3
votes
0answers
96 views

Flicker when drawing multiple shapes over image based texture

I'm rendering video frames with multiple color filled shapes over it using SharpDx and D3D11. Rendering seems to be fine when just rendering the video frame and is as expected. Now if i draw a ...
3
votes
0answers
714 views

Particle-system in the GPU in Unity: how to load/store data from/to a texture in the shader?

I have been implementing a simple GPU-based particle system in Unity, for my current game. The setup is indeed not very elaborated: the shader receives a set of coordinates passed trough the position ...
8
votes
1answer
1k views

Learning how to make imposters manually in Unity - how to render an object to a texture not what camera sees?

I am trying to learn the most performant way to make an imposter in Unity manually - not using pre-fabricated solutions. My first guess is that it should be achieved by using RenderTexture and a ...
0
votes
0answers
307 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 ...
0
votes
1answer
186 views

cocos2d-x Label Load Image like Sticker-Smile..(by html or …)

hi and sorry for my english... i am using cocos2d-x (c++)... can i load sticker (smile) in my Label(a text mixed by image)? i know that we can load bitmap fonts by: ...
4
votes
1answer
368 views

I want to render a texture2d on to the screen in unity, how do I do this?

So I have modified a texture in C# by removing all of its white pixels, now I want to render it on the screen in unity so that later I can use it as a terrain where I can make my sprite walk. So far, ...
1
vote
1answer
26 views

Is render to texture available in blender? [closed]

I don't know is render to texture available in blender like in 3dsmax if it is available please tell me step by step method to do that thanks in advance.
2
votes
1answer
343 views

How can I read the smallest mipmap back to the CPU after calling generateMips?

I'm implementing an adaptive tonemapper based on the standard "scale down the luminance map to a 1x1 texture" approach. This is my code following the rendering of the luminance map: ...
2
votes
1answer
572 views

Render scene depth to texture via FBO?

I'm trying to render my scene's depth via FBO and Render To Texture. I have a scene that I'm rendering to a texture, then render that texture to a fullscreen quad in a second pass using a fragment ...
0
votes
2answers
56 views

What mistake did I make? Source engine reskin issues

Here is a reskin of the Half Life 2 Wallace Breen model that I made for a mod I am developing, but the checkerboard on the suit is very odd. All my other skins have no issue, but this skin has ...
4
votes
1answer
814 views

How to attach a framebuffer to a whole cube map from a GL_TEXTURE_CUBE_MAP_ARRAY?

I'm trying to make shadow cube maps in an array. I want to draw each shadow map with a single pass using a geometry shader, which I read about here: https://stackoverflow.com/questions/462721/...
0
votes
0answers
160 views

OpenGL Black rectangle in rendering texture

I create textures (for example, I just fill the texture color), and render their. But, for some reason, to the upper edge added black rectangle. Screenshot: ...
1
vote
1answer
11k views

Drawing a pixel to RenderTexture

I would like to know how you would go about drawing a single pixel to a RenderTexture in Unity. In XNA, it was just a matter of setting the graphic device's active renderTarget, and drawing to it. ...