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

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1answer
141 views

How can I use a lookup table for brightness and contrast?

Currently, I implemented a rudimentary brightness and contrast algorithm that changes brightness and contrast pixel by pixel. This was super inefficient performance wise and the algorithm looked a bit ...
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1answer
231 views

XNA changing color alpha

I know I can take a color and multiply it by a float to reduce its alpha like that: Color color = Color.Green * 0.15f; But how do I return the color's alpha to it's original value? I tried doing ...
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0answers
246 views

Easy way to set face colors with indexed VBOs?

I'm loading OBJs, which lend themselves well to setting up as indexed VBOs, since each vertex is only defined once and then a face definition will reference the same vertex more than once when they ...
0
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0answers
19 views

show different color areas of image on touch

How do I show colors filled in on a colorless version of an image on user touch. (for example color mania or guess the colors app). I know one way is to provide the same image 3 times (for 3 colors) ...
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0answers
17 views

Accurate NTSC Colour Simulation

I'm trying to create a method of displaying an image the way it was intended to be viewed for use with old games and emulators The goal is to apply effects that caused blurring and such to achieve ...
0
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0answers
34 views

Export as .dae, but retain color (all for Unity)

So, I was trying to learn some basic Unity stuff (I am a noob in all respects), and in my early research, I discovered something amazing: I can import 3D meshes that I make into Unity! So, I ...
0
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0answers
32 views

Use Android 4x5 ColorMatrix in OpenGL ES 2 Shader

I am trying to use Android Color Matrix in OpenGL ES 2. I have been able to use a 4x4 Matrix using the following code in the Shader (this adds also an intensity parameter): varying vec2 ...
0
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0answers
160 views

AndEngine: get color or trasparence in a sprite

In my app I want detect when the touch in a sprite in in the trasparence and not, my code class is this: package org.andengine.examples; import android.graphics.Bitmap; import android.util.Log; ...
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0answers
45 views

Color from OBJ not displayed in Blender

I want to import some .obj file that I have made with MeshLab. The point cloud file was actually in .pcd format and I used pcl_pcd2ply tools from PCL to change it into PLY-Format. Then I import it ...
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0answers
24 views

How to separate player's planets (between each others) in a massive multiplayer game?

The game consists in commanding several planets; The universe is made of galaxies; You play in one galaxy at the time and when you level up you go into another galaxy; Each galaxy have around 10 ...
0
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0answers
460 views

Automatic gamma correction on DX11

Trying to figure out how to get automatic gamma correction on DX11. I'm using deferred shading. I'm not exactly sure exactly which textures needs to be in the SRGB format. Here's my guess: The ...