The process of modifying software to make some part of it work more efficiently or use fewer resources. Generally, this means it executes more rapidly, or will require fewer resources.

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How do I efficiently determine what objects are visible to a camera?

I want to call the rendering methods of only the game objects that are visible. How can I efficiently determine which objects or tiles are within the camera's rendered region?
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107 views

Improving effect performance in XNA

I'm making a 2D, top-down platformer, in which four or five layers are rendered each time the game draws. Everything is fairly performant except for the bottom layer, which is the game map. This is ...
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Speeding up point-in-polygon for Python

In researching collision detection methods for non-Rect-like objects I came across point-in-polygon -- specifically, the even-odd rule. The one presently on Wikipedia claims it is written in Python, ...
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Why Reducing fragments by increasing geometry vertices turn out to be slow?

I am developing a ray-casting program by OpenGL. At first I made a large bounding box including the whole volume and render this box, which triggers the ray-casting. I'm trying to optimize this ...
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Image layer into tile map concept

I'm not really familiar with programming but I wanted to ask if someone could give me some tips. I would like my game maps could be easily designed in some kind of graphics editor. I came with an idea ...