Questions tagged [rendertexture]
A texture to which content can be rendered.
59
questions
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1answer
21 views
Bake a heightmap from Editor
I want to implement a heightmap-based water simulation algorithm in Unity. I know exactly how I would approach this in pure low-level C++ and OpenGL (and also Shadertoy), and most of it is ...
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0answers
12 views
Rendertexture skips channels sometimes
When rendering a camera to a render texture (for a portal effect), it seems to under certain circumstances skip rendering the red channel entirely.
I cannot put my finger on why this might be ...
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1answer
51 views
XNA configuration on legacy code
Background:
Our biomechanics and Advanced Surgical Technologies Lab wrote a surgery navigation system desktop application in C# around ten years ago. One of its major functions uses XNA Game Studio 4....
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0answers
30 views
Knowing the size of a framebuffer when rendering transformed meshes to a texture
I have a couple of 2D meshes that make a hierarchical animated model.
I want to do some post-processing on it, so I decided to render this model to a texture, so that I could do the post-processing ...
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0answers
16 views
Per-component Shader Blend in Unity
Context :
I'm writing a 2D mobile game in Unity where the graphics are essentially black lines drawn on a background image plus some lighting. Running full RGB calculations for every step seems like a ...
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0answers
32 views
coloured 3d models rendering issue while running on android
I am using Godot 3.2.2 stable (GLES2) along with kenney 3d nature asset pack (glb) for prototyping a 3d game. Everything works just fine on my desktop computer, but when I deploy the game to my ...
2
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0answers
30 views
How to generate a star onto a render texture with spherical warping
How would one proceduraly generate a star in a compute shader that looks like one of thes two at any size needed. Also any way transfer this into a spherical map, would be appreciated.
Goal is to ...
1
vote
0answers
36 views
Shadowmapping with multiple light sources
I am using shadow-mapping to add shadows to my world.
Currently, I use one lightsource, which means I have to draw my world twice: once in the lightview, once in the camera view.
I want to add more ...
1
vote
1answer
30 views
How to use WorldToScreenPoint function in a texture context?
I am rendering a scene into a RenderTexture and I have a set of 3D points. I want to convert these points from 3D to texture coordinate frame. It worked, when I rendered into screen and used ...
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1answer
274 views
How to convert depth values into Unity's distance
I am new in Unity and now only studying for my work project. I need help with computing real distances from depth values. Can't figure it out.
My shader is:
...
0
votes
1answer
209 views
How to capture image from camera with post effects? Mysteriously only get emission(?) pass
I have a separate camera from my main camera, whose purpose is to take screenshots, or render a "live feed" of the action, at different angles. Hierarchy as such:
The game object labeled ...
1
vote
1answer
9 views
Unity: Render 1st Texture to 2nd Texture
I want to pass the first texture through a shader and render it to a second texture.
The actual task is bit more complicated, as I then want to render the second texture back to the first texture ...
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0answers
189 views
Unity: Dimensions of color surface does not match dimensions of depth surface
I am receiving the error, "Dimensions of color surface does not match dimensions of depth surface" whenever I attempt to use my screenshot code, without any callstack or anything further insight of ...
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0answers
89 views
How to display other cameras on HUD UE4
I've been stuck on this for a while. My goal is to show a camera feed in the HUD so you could see a what it sees and what you see. I am working in blueprints since i don't have much C++ knowledge. I ...
1
vote
1answer
508 views
dx11 Rendering to target texture shows only clearcolor(ImGUI-Custom Game Engine)
Im trying to create a game view for my game engine using ImGui framework,however when i try to render texture,there is only clear color displayed on the screen.
My plan
Creating Render Target ...
0
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0answers
17 views
Low resolution RenderTexture with gradients
I have a small RenderTexture that stretched on large object, so texels is near 0.3 of unit. Source for this texture has much more resolution and with gradients.
If source little bit changes its ...
0
votes
1answer
286 views
Rendering to Texture with Transparency in Monogame?
Please forgive me if I'm asking a question that has been answered before, but for the life of me, search as I might, I couldn't find a problem exactly like this anywhere.
I'm trying to render a ...
1
vote
1answer
263 views
Video feedback effect with recursive RenderTextures in Unity 2018.3
I have a project where I'm playing with a video feedback effect by rendering a camera to a RenderTexture and pointing the camera at a quad displaying that RenderTexture.
This works great normally, ...
2
votes
1answer
143 views
Dr.Strange's door in Unity3D, how to put a projected void on a plane?
My question is about a visual trick I would like to perform in Unity3D. I want the player to walk outside a door and see no walls of the room behind them, just the door. They should still be able to ...
1
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0answers
286 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
112 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.
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0answers
578 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
225 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
votes
1answer
428 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
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2answers
3k 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
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1answer
2k 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
249 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
votes
1answer
2k 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
770 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 ...
3
votes
1answer
2k 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
272 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 ...
2
votes
0answers
553 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 ...
6
votes
4answers
24k 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 ...
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0answers
491 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
134 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
1answer
386 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
39 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 ...
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vote
0answers
4k 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
1k 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 ...
3
votes
2answers
249 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
2k 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
1k 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
1answer
283 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
187 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
670 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
1k 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 ...
4
votes
0answers
116 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 ...
4
votes
0answers
750 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
2k 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
338 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 ...
