Questions tagged [color]
Color is the visual perception of light by humans into named categories, commonly "red," "green," and "blue."
177
questions
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38 views
How do I fix this unintentional chromatic aberration on a lightmap?
Some strange rainbow halos (front and left) appear after computation of a lightmap for direct light. The formula is
dot * dot2 / ( dist * dist ) * dl->intensity
...
0
votes
1answer
10 views
Unity - plain material colour darker than expected
I want to add to scene object without textures, only plain material, here is my import flow:
I create object in Sketch and export to SVG:
Then I import SVG to blender (Material do not use nodes, has ...
0
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0answers
71 views
How to randomly change the color of a Shader Graph Material for only a specified GameObject, with C# script?
I'm working on a game, in Unity3D, where the player picks up trash from Trash cans, and dumps the trash from the Trash cans into a Trash Truck. The world of the game itself is randomly generated, with ...
0
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0answers
11 views
How to create opacity mask from colored bitmap?
For the image (bitmap) below,
if I do:
Create a spite with the image in unreal engine.
Create a opacity mask on the spite.
Use this image, choose a specific color, such as blue, make its ...
0
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1answer
53 views
Problem when importing color in hexadecimal format from an ini file
In my game I can import a color correctly when it is in the "engine format".
Example ("color.ini"):
...
0
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1answer
40 views
Smoothly switch between 2 pairs of oscillating colors
I have a simple script that changes the emission color based on a bool.
The first color is its idle color, which transitions between orange and light purple using a lerp weighted with a sine wave.
...
1
vote
1answer
243 views
Is it a bad idea to store all textures in linear color-space?
I am wondering about the performance behind color-space conversions for textures during reading.
If a project decides to go with a linear workflow, as in, when doing any sort of color manipulation, ...
0
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1answer
325 views
How to use a .cube LUT file with Color Lookup?
I have used "Image 2 LUT" to create a LUT for Unity from a certain movie.
However, currently "Image 2 LUT" only outputs ".cube" files.
For HDRP, this is great, but for ...
0
votes
1answer
27 views
How to create a LUT from original and processed images (not perfectly the same)?
I would like to create a certain LUT for my game in Unity.
The usual way would be to take a screenshot in your game, process this screenshot in an image editor like Photoshop / GIMP and then calculate ...
0
votes
1answer
1k views
How to create a color grading LUT for Unity URP?
I'm watching a movie, and I would like to achieve the same colors in my game.
I think I have to use a Color Grading lookup table to achieve this in Unity with URP.
The best example I found example ...
0
votes
1answer
29 views
How to set the color of a game object as of the other?
I am 15 year old Indian student and I am creating my first 2D game in Unity. I have set the color of my player as Random and I have to set the color of my game object as of my player. But the color of ...
0
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1answer
54 views
The colors of Unity 2019 are different
I currently use Unity 2018 LTS, because of my 2019 Unity colours are not really good.
For example, the white is not really white but more like grey and the Shadows are really strong too even if I ...
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0answers
39 views
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 ...
0
votes
1answer
52 views
Set background color in Phaser
I want to set a background color for my game.
I found this solution:
function create() {
this.cameras.main.setBackgroundColor("#d5d5d5");
}
but I want to be ...
1
vote
0answers
107 views
HDR mode in windows makes build version of Unity game look washed out
I've got a 2D Unity game I've been working on. The development computer is hooked up to a TV that supports HDR. If I turn on the "Play HDR Games and Apps" switch in windows then run the build version ...
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votes
2answers
134 views
Loading the map from an image file in C++
For my platformer tile-based game I want to be able to load the game map from an image file.
Consider the following 25x15 px .png (enlarged) representing some level:
Assume that each specified ...
5
votes
4answers
728 views
What colour space or mixing algorithm should I use for “watercolor-like” colour mixing in-game?
I want to make a game where the player creates potions out of coloured ingredients, and I think the RGB or HSV colour spaces would be confusing for players expecting (red + yellow = orange, red + blue ...
2
votes
1answer
187 views
Color palettes in video games
I’ve spent the days reading all sources I can find on the use of Color palettes in games, but there is a real lack of real world examples.
Most Color palette tools generate 4-5 colours.
I am making a ...
1
vote
2answers
124 views
Does GPU mipmapping assume the texture es gamma corrected?
I have been reading the Real Time Rendering book and stumbled upon this paragraph:
For textures encoded in a nonlinear space (such as most color
textures), ignoring gamma correction when ...
3
votes
2answers
1k views
Why is enabling GL_FRAMEBUFFER_SRGB making the colours brighter?
My understanding of gamma correction is as follows: We want to do colour math in linear space so we can lerp etc. between colour values and get the results we expect. But human eyes don't have a ...
-1
votes
1answer
193 views
change color to rgb in c# unity
So I am trying to change my color of my sprite to a rgb color. Now I can just change it to a color like red, black or blue...
m_spriteRenderer.color = Color.blue;
...
0
votes
1answer
115 views
Can I linear interpolate color along both the X and Y axis of a circle instead of using the distance formula on each individual point?
I've been unable to make it work and I'm not sure whether it's a problem with my code or if this can even be done. I'm sure there is a way to prove whether it is possible mathematically but I don't ...
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0answers
337 views
GetPixel() doesn't return properly the values
So I'm trying to use GetPixel() function to get which colors is the texture as a value of x and y. So far it works well but it only return 1 color, being unable to get the rest of the colors of the ...
0
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0answers
32 views
How to do Colored Lights in CIE XYZ/LUV-like Space?
I've a 2d background, some sprites, blitted onto it. And over all that in the final pass I draw colored lights, to make projectiles look cooler. Basically I apply a classic lightmap, which is colored ...
2
votes
1answer
72 views
Triangular Metric
Given a point inside a unit equilateral triangle, how does one rotate it across the triangle perimeter? I.e. the triangle outline serving the same purpose as circle's circumference. That is actually a ...
0
votes
1answer
86 views
Color of Image changes to white between 2 positions using Color.Lerp - Unity
Hi I have an empty object barHolder that I move between 10 and 98 on x-axis. It has 2 child ...
0
votes
1answer
716 views
Unity Vertex Color Shader with Transparency
I'm trying to achieve a simple effect: I have a cube mesh and I want some of the vertices to change color. In this case, I want it to form some sort of a gradient where the unchanged vertices are set ...
0
votes
1answer
33 views
Easy way to generate colour-per-vertex models for input to Blender
I procedurally generate 3D planet models that I would like to import into Blender.
I use colour per vertex rendering in my shaders (In practice, I use the same colour for all vertices of a face, but ...
0
votes
2answers
1k views
Problem with Material Parameter Collection Reference Variable in Set Scalar Parameter funcion
I was following a tutorial on using GameInstance. Where the guy in the video would teach how to choose the color of the ship by clicking a button on a level (x), so as to affect the ship on another ...
2
votes
1answer
1k views
Programmatically generated mesh vertex colors not showing up in Unity?
I'm sorry if this is an obvious thing to solve but I just can't figure it out...did I miss something...I've generated a mesh and during vertices generation I've also set its colors (and colors32 just ...
4
votes
1answer
2k views
What makes a shader function with a LineRenderer?
A LineRenderer has both Material and Color properties.
But many shaders do not work, ie the line will not respect the Color property, or the line will show black (regardless of the materials having ...
2
votes
1answer
142 views
How can I create color fonts to be used in Unity?
I've been searching, downloaded a couple programs that lets you convert images into fonts, but none let you obtain the color. They all switch them to black and white.
While searching the internet, I ...
0
votes
1answer
172 views
Running OpenGL app on Windows XP x86 produces incorrect texture colors
I'm working with the Cen64 emulator and I compiled from source a x86 version that operates fine on Windows 10 x64. As soon as I run it on a Windows XP x86 machine the colors are then all incorrect. ...
0
votes
1answer
682 views
How can I use the colours of a swatch in a script?
In Unity's editor I have set a swatch with some colours that are used throughout our game:
This swatch is saved in a file in the project's Assets folder:
...
1
vote
1answer
273 views
Why only few parts of the 2D sprite change their colour when I apply sprite color in Unity?
I'm making a stickman 2D game where I have different sprites for the player.
But when I try to change the Sprite Renderer Color, it only changes few pixels of the sprite and the rest stays black as ...
1
vote
0answers
39 views
How to apply a visual filter to what I am drawing?
I'm looking to apply a sepia filter to what I'm rendering. Perhaps we could just apply the filter to the view or pass it to the draw method to draw everything with the filter (I'm using one draw ...
3
votes
1answer
106 views
How to paint regions of a map with visually different colors
I'm learning some concepts of procedural content generation. Now I'm generating a map with regions and each region has a diferent colors generated in a pseudo-random way.
My problem right now is ...
1
vote
1answer
89 views
OpenGL additive vertex color mode
Surely OpenGL has a way to set the vertex color mode. By default it is multiplication.
When I have an existing texture on a quad to represent a player in my game, I want to add color to it. As of ...
2
votes
2answers
3k views
How can I efficiently change the color of a BufferedImage?
I am trying to change the color of a white BufferedImage image.
I do know that you can use .setRGB(x,y,rgb) and simply run some ...
2
votes
1answer
482 views
Unity : Changing color of 2D sprite distorts sprite shape [closed]
In my 2D game, my circle shape for example, appears round, but when I change the color then it turns into a low poly circle with 8-16 points, more like a potato. Is there any way around this?
...
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vote
0answers
723 views
Shadow & sorting issues with vertex colored PBR Shader Graph
I'm working on a custom shader using Unity 2018's new shader graph feature. Previously, I was using this shader, which worked great for awhile, but it ended up constantly breaking for seemingly no ...
4
votes
1answer
6k views
draw a box with transparent background (outline) in unity
I am trying to draw an outline (a transparent box with colored border essentially)
I have the following code adapted from here
...
0
votes
2answers
265 views
What exactly is the “blend factor” t in Color.Lerp?
I had a bit of a look around and couldn't see anywhere this was addressed, my apologies if it has been.
In Color.Lerp, I understand that the 3rd parameter t is not in fact the time that it takes to ...
3
votes
0answers
265 views
Weird libGDX BitmapFont Color Change (And Alpha) Bug
I want to change the color of my libGDX BitmapFont, but it can't change it. The font is generated with Hiero v5 (Lastest as I Know) but the color of the font doesn't change. Here is the example code, ...
0
votes
1answer
495 views
Changing the color data of an instance of a shared texture? MonoGame
I want to load multiple instances of a texture on the screen and be able to change the color of each one individually by clicking on it. I've tried many different ways and currently I'm creating two ...
0
votes
1answer
55 views
Quality deterioration on a device
I am using Unity. When I try the game out in the IDE everything looks pretty good:
But when I am trying to play the same game on a device the quality becomes a great deal worse and you can see it for ...
4
votes
2answers
245 views
How do I implement 2d color animation like in this video?
link on youtube
at 1:38 - 1:42, purple things (I think this is particle system) that come off from the moon.
Someone else had decompiled the game in the past, and the assets shows that the dark blue ...
2
votes
1answer
3k views
Sprite changes colour when imported into Unity
I create some simple geometrical shapes in Inkscape, then export it to PNG and import into Unity.
Positive example:
I make a rectangle of colour hsva(0, 0, 32, 255), export it as a 32x32 PNG image ...
1
vote
1answer
160 views
How to achieve this kind of look of a cube in a most efficient way?
It might be a trivial question, but I couldn't come up with a simple solution.
I need to create a cube like on the image below in Unity.
As always, I target mobile ...
1
vote
2answers
404 views
Why do I get odd color effects in smooth transitions with OpenGL?
I am making a planet generator, and when I go too close to the planet, the smoothly colored surface has striations. Very visible striations, as seen in the attached image. The color transition is ...
