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

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235
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12answers
13k 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. ...
7
votes
2answers
670 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 tiles, So sort of a tile based RPG ...
7
votes
2answers
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 ...
3
votes
1answer
1k 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 ...
2
votes
1answer
517 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?
0
votes
2answers
878 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 ...
7
votes
5answers
2k 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 color according to a step t, giving it ...
10
votes
6answers
741 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. ...
2
votes
2answers
416 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 ...
4
votes
1answer
155 views

Problem building a color grading map

I am trying to build a default color grading map into a 1024x32 RenderTarget. Here is my shader code: VertexShaderOutput VertexShaderFunction(VertexShaderInput input) { VertexShaderOutput output; ...
4
votes
2answers
567 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 ...
0
votes
1answer
283 views

In Pygame, how can I check if an object is touching a color?

Is there a way to tell if a sprite is touching a specific color on the screen, maybe given as a hex code. I know you can do pygame.sprite.collide for sprites, but how can you do this for a specific ...
0
votes
1answer
334 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 ...