Questions tagged [color]
Color is the visual perception of light by humans into named categories, commonly "red," "green," and "blue."
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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
14 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
33 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
34 views
how to loop color list spriterenderer
I can already make one for (int) normally, but I'm trying to create a sprite renderer loop using (i ++ / i--) sorry, I do not know the names for this condition but it's showing a mountain of errors
<...
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0answers
19 views
Why use a quad background over a camera background
I'm quite new to Unity and after looking at a few tutorials for 2D games, I'm noticing people tend to use a Quad for their background colour. What is the benefit of this over just changing the ...
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1answer
159 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
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1answer
142 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
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1answer
82 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
82 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
87 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
49 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
30 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
81 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
57 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
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2answers
269 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
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1answer
213 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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0answers
456 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 ...
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1answer
3k 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
...
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2answers
154 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 ...
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0answers
185 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, ...
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1answer
281 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 ...
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1answer
54 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 ...
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2answers
237 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
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1answer
2k 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 ...
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vote
1answer
152 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 ...
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vote
2answers
263 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 ...
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1answer
807 views
How can I accurately lerp Colors over seconds?
I have some code to lerp between two colors over a set number of seconds, and the lerp works fine:
...
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2answers
2k views
2D racetrack collision bounce using angle of reflection (bounce angle)
I am currently working on a race game where I want to define the collision of my vehicle with the outer and inner borders of the track.
If that happens to be the case I want to vehicle to bounce of ...
36
votes
4answers
9k views
Should I use “conventional” colors to represent item rarity?
I'm making a new RPG that has loot. In fact, a majority of the game is based around loot. It's going to have colored borders to denote the rarity of the loot as it's drawn.
WoW uses Grey, White, ...
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2answers
481 views
Flipping Textures in Modern OpenGL
How do I flip a texture in modern OpenGL (3.1+)?
This is the unflipped render, keep in mind it is drawn with 8x8 tiles from a texture atlas, so I edited green squares below him into the image to ...
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1answer
47 views
Game Maker (and others): what data type is colour and how can I compare them?
In Game Maker, and I imagine other engines, one can "make colour" by defining either the red-green-blue values of the colour or its hue-value-saturation.
I want to create a program that can compare ...
3
votes
1answer
1k views
How do I get the object color?
I want to get the object color, when I start the game. How do I do this?
...
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1answer
365 views
Can ARToolKit be used for color detection?
I'm trying to make an app that will show an object from different sides, but the target will be too small for any real marker detection.
Think of a cube with one or two centimeter sides. The camera ...
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2answers
132 views
Game Design: Colour units per team or per unit type?
In an RTS game where the units are viewed from the top so that they appear relatively small on the screen:
What would be the best game design?
Colour the units per team, for example: enemy is always ...
3
votes
2answers
185 views
The meaning of colours in other cultures
According to http://www.color-wheel-pro.com/color-meaning.html and many other western websites certain colours have meanings.
To summarise the meaning of colours in the context of a typical RTS game:
...
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1answer
90 views
glColor3f() 0.0 = no intensity 5.0 = full intensity?
I have a very weird behavior of openGL's glColor right now.
I've wasted hours to detect why my line colors acting so weird until I found out that 0.0 rgb values is zero intensity and 5.0 lead to full ...
1
vote
1answer
704 views
What is Surface.set_colorkey() in Pygame
In pygame, what does Surface.set_colorkey() do? Explain it in a very easy way please. Also, what exactly does it do? I heard it makes parts that are the same color as the colorkey transparent, but ...
2
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1answer
171 views
Color Correction in DirectX
After playing games like Star Wars Battlefront & GTA 5 I was wondering how dev's implement Color Correction in their Engines. I know that this can be done through the use of 3D LUT's but I was ...
2
votes
1answer
461 views
Color spaces: Should colors be converted to linear color before applying premultiplied alpha?
For instance, when loading an image that is SRGB, which of these is correct?
Simple premultiply:
Take SRGB color from file and multiply RGB by alpha
or
Convert to linear before premultiply:
Take ...
1
vote
1answer
181 views
Color mapping of difference
I have two arrays A and B. I want to do color mapping of their difference A - B. So far, I ...
2
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0answers
470 views
Linear color workflow with render to texture - Banding in alpha channel?
In OpenGL, I am using GL_SRGB8_ALPHA8 for the OpenGL internal texture format for my textures and render targets. This eliminated some banding I was seeing in dark ...
2
votes
1answer
73 views
How to save one color channel, taking only 1 byte per pixel?
How can I save only one color channel, such that it would only take 1 byte per pixel?
I only want to save the alpha channel and apply colors later using a custom shader. But all the formats I tried ...
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vote
2answers
539 views
Phaser BitmapData Pick Color and Paint
Hi guys,
Could anyone kindly shows me a little bit of code about pick and paint color to the sprite?
here is my code that I have played around, but I still cannot find out and achieve it.
Thanks ...
2
votes
2answers
1k views
What is the benefit of YCbCr?
Why would someone want to store images as YCbCr instead of RGB in RAM or in GPU memory?
2
votes
1answer
64 views
Unity, Solid Color to link Platforms
[UNITY]
As you can see above a solid color is connecting one platform to another. My question is whether this color must be applied through code or through a sprite. In my game there are three lanes ...
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0answers
74 views
How to color individual parts of curve in unity, real time?
So I have a mesh curve that I've imported from Blender. What I want to do is to place individual points on the curve (at fixed distance) and then based on a specific number, color them.
Let's say for ...
0
votes
1answer
329 views
How can I duplicate this color/hue shifting effect in C#?
I am looking for a way to duplicate this color shifting effect:
I don't think it matters but the starting frame would be this:
My instinct was that some type of hue shift is occurring in a way that ...
3
votes
2answers
1k views
Gradient Banding in Unity Android
In an Android game, I have a gradient background that changes color over time. This was achieved by creating a 1x2 pixel texture in code, and stretching it over a large quad with bilinear filtering.
...
2
votes
1answer
144 views
Creating colour spectrum by light flux values
I am using radiosity method to compute the inter-reflected light within a room. The room is gridded into small patches and the light flux in lumen is calculated for each. This part is done. Now I want ...
6
votes
1answer
1k views
Pixel Picking vs Raycasting
I was recently introduced to a way of picking in OpenGL known as pixel picking (or color picking).
From my understanding, how this is done is that the scene is rendered to the back buffer with a ...
