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

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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 ...
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102 views

How do I make a 2D sprite flash green when tapped?

I have a sprite that is based on an image of a gray circle. When the user touches the sprite, I want the sprite to flash green, as in I want the circle to appear to turn green for 0.2 seconds. I tried ...
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442 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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286 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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30 views

Bitmap font engine: When is color modulation not supported?

I am developing a bitmap font renderer for a 2D game using SDL 2. (If it matters, I'm using Debian 8 "jessie".) I had planned on storing the glyphs as a grayscale image, translating gray levels to ...
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509 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 ...
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45 views

How do I procedurally generate a histogram from an image?

I have a media player application which uses shaders. I'm searching for the best way to generate a histogram for the displayed image. I've thought of these 2 approaches: Generate histogram using ...
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25 views

Spectral path tracing - image color/brightness incorrect

I implemented a spectral path tracing using physically base BRDF models such as Oren-Nayar,Specular Reflection and Transmission, Lambertian. All calculation in the path tracer uses standard illuminant ...
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26 views

How to screen color blend spritebatch?

batch.setBlendFunction(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA); batch.setColor(new Color(0xFF0000FF)); batch.draw(...); Expected result: Current result: How can I achieve something ...
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358 views

Unity 3D - Changing emission color in realtime after export doesn't work

I am using the following code to change material's emission color in realtime: Color selectionColor = new Color(0.3f, 0.2f, 0.0f); void Start() { ...
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40 views

Advice on adding RGB values

I am trying to make a flash game (I don't want to say too much). Part of the game is mixing colors. The problem with this is that these are colored wooden tiles and at first I was going to have each ...
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30 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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29 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 ...
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67 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 ...