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Tag: graphics

The Joy of Writing Shaders

You can check out the source for the above shader here. Shaders provide programmers with a beautiful combination of art and math. Most other throwaway projects are devoid of any artistic value. In less than a dozen lines of code you can draw fractals. A few more and you can start creating intricate animations. The most interesting part is the unique perspective they force you into. Say you want to draw a circle in an imperative programming language.

The Basics of Anti-Aliasing

How images are rendered Imagine your computer is rendering an image of a tomato on top of a table. In order to render the image each of the 1920 * 1080 pixels on your screen needs to have colors assigned to them. This isn’t as easy as viewing a video or an image. The tomato can be viewed from any angle, and the pixels will need to be recalculated many times every second to produce a smooth animation.