Questions tagged [color]

Color is the visual perception of light by humans into named categories, commonly "red," "green," and "blue."

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14 views

ACES tonemapping confusion

In different sources I see ACES tonemapping, but I see one of two possible sets of formulas: https://www.shadertoy.com/view/XsGfWV this one https://www.shadertoy.com/view/tdffDl or this I compared ...
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1answer
54 views

How can I build an accurate 15-bit Highcolor RGB palette

I want to recreate an accurate version of a 15-bit RGB color palette (PC Highcolor, SNES, Playstation 1), storing each color from the palette as a standard 6 digit hex code. With each color component ...
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28 views

How can I recreate a material from blender in Unreal engine

I'm new to unreal and I am having trouble finding a way to reproduce the materials for a mesh in blender in unreal. It's a simple material but I can't find a way to reproduce the color ramp ...
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1answer
92 views

Is it a good idea to give NPCs unnatural hair colors while keeping that of the PC a natural color?

I don't know if it's the right place to ask or not but: I would like to color most NPCs’ hair colors orange, green, etc. Do you think this will damage the main characters and secondary characters? (I ...
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1answer
43 views

Starting a Coroutine after another Coroutine ends

I have a method that fades the screen to black, then fades away back again using coroutines but I couldn't get the 2nd part to work. FadeToBlack() works if I put <...
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10 views

Substance Painter: Fix color addition

Substance Painter appears to add colors together wrongly when selecting "Normal Blending Mode" The right side is what photoshop does correctly, meaning R+G+B values in the border region ...
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2answers
96 views

How do I make a rainbow hue shift over time on text?

What I'm trying to do is make a Text object have an animation that allows for the hue of the color to go all the way up and loop back around, so it creates a cool rainbow thing. I've looked on google ...
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2answers
99 views

SpriteRenderer color not responding to script!

I have written a simple c# class that is supposed to change the color of the Player Renderer. But, there seems to be a problem! whenever I call the function OnCallFun() ... the color stays put and ...
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1answer
33 views

How to interpolate colors around the spectrum of hues?

I wanted to generate a 7 segment display whose color brightness varies with time, this can be done by just using linear relationship. ...
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43 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 ...
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1answer
24 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 ...
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429 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 ...
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14 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 ...
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1answer
79 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"): ...
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1answer
90 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. ...
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1answer
271 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, ...
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1answer
805 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 ...
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1answer
65 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 ...
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1answer
3k 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 ...
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1answer
43 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 ...
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1answer
96 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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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 ...
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1answer
86 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 ...
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146 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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2answers
206 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 ...
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4answers
1k 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 ...
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1answer
275 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 ...
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2answers
169 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 ...
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2answers
2k 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 ...
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1answer
434 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; ...
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1answer
140 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
536 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 ...
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33 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 ...
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1answer
74 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 ...
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1answer
150 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 ...
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1answer
933 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 ...
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1answer
38 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 ...
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2answers
2k 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 ...
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1answer
2k 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 ...
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1answer
3k 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 ...
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1answer
190 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 ...
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1answer
188 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. ...
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1answer
1k 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: ...
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1answer
338 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 ...
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0answers
40 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 ...
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1answer
130 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 ...
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1answer
102 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 ...
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2answers
4k 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 ...
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1answer
623 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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775 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 ...