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27
votes
6answers
12k views

Creating a retro-style palette swapping effect in OpenGL

I'm working on a Megaman-like game where I need to change the color of certain pixels at runtime. For reference: in Megaman when you change your selected weapon then main character's palette changes ...
11
votes
1answer
985 views

How can I get the palette of an 8-bit surface in SDL.NET/Tao.SDL?

I'm looking to get the palette of an 8-bit surface in SDL.NET if possible, or (more than likely) using Tao.SDL. This is because I want to do palette swapping with the palette directly, instead of ...
8
votes
3answers
889 views

What is a good method for coloring textures based on a palette in XNA?

I've been trying to work on a game with the look of an 8-bit game using XNA, specifically using the NES as a guide. The NES has a very specific palette and each sprite can use up to 4 colors from ...
5
votes
1answer
806 views

How did the SNES handle palettes of multiple sprites?

(This is assuming all graphics are stored in 4 bpp) I understand that the SNES has a 256 color palette split into 16 palettes (each with 16 colors), and 8 of these represent palettes usable by ...
3
votes
2answers
1k views

Implementing a color picker [closed]

I'm making a paint program using applets in Java, and I want to create some sort of color palette where the colors blend into each other, similar to this: However, I'm having trouble understanding ...
3
votes
1answer
99 views

2D Map Editor Tiles Palette - Best suited Java Elements to use?

I'm making a 2D RTS Map Editor and here came the moment to make a Palette which is just a popup frame showing tiles to be clicked on and then applied on the map. I'm wondering which Java Elements to ...
2
votes
2answers
566 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 ...
2
votes
1answer
406 views

Libgdx Palette Swap

I'm developing a game using the Libgdx library. I'm trying to implement a very simple palette swap functionality (basically just complete recolouring of some areas, I don't even need to have various ...
2
votes
1answer
542 views

Directx 11: emulating palette swapping with shader 5.0 and c++

i'm trying to swapping the colors using a texture as index and a second one as palette. Here is the full listing of the code: #include <windows.h> #include <windowsx.h> #include <...
1
vote
2answers
155 views

Encode world matrix as 2 float4s?

On one of the slides of their presentation "Batch, Batch, Batch!" guys from NVidia suggest encoding animation matrices for pallet skinning into two float4s as: • axis/angle • translate/...
1
vote
2answers
831 views

HLSL Pixel Shader that does palette swap

I have implemented a simple pixel shader which can replace a particular colour in a sprite with another colour. It looks something like this: sampler input : register(s0); float4 PixelShaderFunction(...
-1
votes
4answers
4k views

How do you find the “best” color palette for a game?

If I want to make a 3D game, and I want all my textures to be 8 bit, to save RAM, that is 256 indexed colors, including "transparent", how do I choose the colors? Is there any recommended pre-defined ...