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Questions tagged [color]

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

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1answer
30 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
26 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
65 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
41 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
36 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
107 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
26 views

Change node color in spritekit

I have a vector illustration of a branch with a few leaves on it. I am moving the branch from the bottom of the screen to the top of the screen. But as the branch moves from the initial position (...
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0answers
291 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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0answers
59 views

[Unity]: Changed sprite color doesn't match eyedropped color

I have created some sprites in photoshop with particular colors. Then I noticed that I can tweak color in Unity, so I recreated my atlas with all sprites white. When I imported it in unity and ...
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1answer
1k 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
96 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
136 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
170 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
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1answer
53 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
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2answers
214 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 ...
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0answers
227 views

Unity - add vertex color to part of a mesh?

I have a scenario where I need to automatically assign vertex color to a mesh in order to manipulate (deform) a part of it. As an example gradient I'd like to apply I will be dynamically loading new ...
1
vote
1answer
1k 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
150 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
211 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
495 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: ...
1
vote
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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votes
2answers
332 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
46 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
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1answer
361 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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0answers
67 views

libgdx BitmapFont setColor works only the first time

Here's my code: ...
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1answer
319 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
122 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 ...
4
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2answers
176 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: ...
0
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1answer
82 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
494 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 ...
1
vote
1answer
137 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
385 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
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1answer
179 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
votes
0answers
397 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 ...
3
votes
1answer
71 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 ...
1
vote
2answers
450 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
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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?
3
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1answer
60 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
286 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
883 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
136 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 ...
3
votes
1answer
954 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 ...
1
vote
1answer
248 views

Gameobjects disappearing when changing renderer.material.color

I'm generating an array of objects using this code: ...
0
votes
1answer
1k views

Monogame - how to make a smooth color transition with Color.Lerp()?

I would like to know how to dynamically change a color. My code: ...
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vote
1answer
3k views

How to get a pixel color from a specific sprite on touch (unity)?

I have a 2 layers of a different sprites. How can i get a pixel color from lower sprite? I know how to get touch and world coordinates, but i have no idea what to do next. ...
9
votes
1answer
406 views

Cycling through colors with the same brightness

Ok. So I have a game I am working on with a bunch of colored particles. Each of them gets their own color however they are all close to a specific shade. To explain that better I am using the HSV ...
-2
votes
2answers
161 views

How do I properly combine the colors of different lights?

Let's say I have 4 light colors: (0.6,0.0,0.0), (0.0,0.6,0.0), (0.1,0.1,0.1), (0.1,0.1,0.1) And now I want to combine them properly. I can't add them together, ...
5
votes
3answers
2k views

UI Text Won't Change Color in Unity 5

In Unity 5 on Windows 10, I try to change the text color from the Inspector and in scripts, but the color won't change. Here are some screenshots of my Text objects open in the inspector, with there ...