Masking is a digital image processing term simialar in concept to bitmasking. An image mask is applyed pixel-by-pixel to other image and behaves like a sieve to color values.

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How are red dot/reflex/holographic sights implemented?

In first-person-shooters like Call of Duty, the hologram only appears when it is behind the glass portion of the sight. In OpenGL, would it be implemented by rendering the glass to the stencil buffer ...
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How to use a mask texture with Kobold2D

I am an iOS developer but I'm new to cocos2d. I'm working on new game, I use Kobold2D, have cocos2d installed too, and I want to make this effect: I know how is done with Flash, but can't make it ...
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Masking between two different 2D sprites in XNA

I'm rewriting a client (2D) for an old game. When rendering a character, the player has a type of hair and an optional type of hat. As far as I can tell, the game does the following to clip hair that ...
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Is it possible to mask over CameraUI AS3?

My idea is to use the CameraUI to take a photo and then transpose that photo onto a blank sprite. So I want to have a mask layer over the CameraUI to line up the object with the size of the sprite. ...
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XNA alpha channel mask

I'm trying to highlight a portion of the screen, such that the entire screen is covered with a semi-transparent black mask but part of that mask is "cut out", kind of like it's being lit up while ...
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XNA 2D Stencil Buffer Rotation

I am currently working on a 2d game related to planets and am trying to get a stencil buffer working with rotation. I currently have a stencil buffer found from another related answer but it refuses ...