Questions tagged [color]
Color is the visual perception of light by humans into named categories, commonly "red," "green," and "blue."
14
questions
312
votes
14
answers
27k
views
How can I find an optimum set of colors for 10 players?
I want to give each of 10 players a unique identifying color. Is there an optimum set of colors for this? How do I create one?
Every set I've come up with contains colors that are too similar.
...
- 2,955
8
votes
2
answers
1k
views
Making a symbol appear on any colour
I'm developing an RPG/roguelike-style game. Instead of having maps like:
.........
.........
....@....
...h.....
Oh look, a dwarf.
I was having solid background ...
- 10.3k
10
votes
6
answers
1k
views
What's a good alternative to colored tiles to account for color blindness?
I have a game with tiles. Each tile is a number, and each number is one of six colors. The color is important to the game play, and I want to make the game available to those who are color blind.
...
- 423
7
votes
2
answers
2k
views
How do I change a sprite's color?
In my rhythm game, I have a note object which can be of a different color depending on the note chart. I could use a sprite sheet with all the different color variations I use, but I would prefer to ...
- 392
3
votes
1
answer
2k
views
Apply Vertex Colors to XNA Spritebatch sprites
I know that you can use custom vertex and pixel shaders using SpriteBatch but I can't figure out how to apply colors to individual vertex points on a sprite generated by spritebatch. All I can do is ...
- 55
0
votes
2
answers
2k
views
XNA change a specific color of a model to another
Is it possible to change a specific color of a model to another?
Example:
Everything that's blue should be red or something like that.
And is it possible to do this without the use of effects? I ...
- 139
28
votes
4
answers
70k
views
How can I include vertex color information in .OBJ files?
The .obj files I export are missing data for vertex colors. Is there a way to include color information in the .obj file? If not, what are the alternatives?
- 575
13
votes
8
answers
33k
views
How to Color.Lerp between multiple colors?
I have found it rather difficult to find a solution to this in the Unity documents.
Color.Lerp(Color a, Color b, float t) is a function that gradually changes a ...
- 922
4
votes
2
answers
3k
views
Palette reduction to pre-defined palette
I'm writing a bunch of GLSL effects for fun, but I can't wrap my head around this. Basically, I want to reduce a texture's palette into a pre-defined set of colors. For example, a post-processing ...
- 1,048
4
votes
2
answers
760
views
Programatically replace color gradient on sprite
Say I have the following image:
I want to tint the yellow parts on this sprites shoulder/arms by a random color. In other questions on this site, they suggest using a chroma key and replacing the ...
- 669
4
votes
1
answer
2k
views
When should I use color keying vs PNG transparency?
SDL (and other toolkits) can use color keying to make a certain color in an image transparent. Alternatively, you could load a PNG image that supports transparency.
When should I use which?
- 43
2
votes
1
answer
416
views
Math behind XNA's spriteBatch.draw() color parameter?
I'm trying to make a shader that changes the color of a sprite the way the XNA spriteBatch.draw() color parameter changes color. I don't know exactly what it is called (the closest word I can think of ...
- 487
1
vote
1
answer
200
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 ...
- 167
0
votes
1
answer
599
views
Creating a gradient for a texture - Why is the color becoming dark on one side?
Updated
While debugging I looked at the lerp and it was calculating into a negative number at the start. So I added in checks for to low or high a value, and that seems to have fixed it. I'll answer ...
- 455