geometry

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A simple trick to design your own solutions for Rubik's cubes

A simple trick to design your own solutions for Rubik's cubes

1.6M views • 10 years ago

Mathologer shows a simple idea, the commutator, that lets anyone who can solve the first layer design their own full Rubik's cube solution. The same idea carries over to other symmetric twisty puzzles such as the Megaminx.

Topic match · Pure mathematics

Creating a Doom-style 3D engine in C

Creating a Doom-style 3D engine in C

991K views • 11 years ago

Bisqwit builds a Doom or Duke Nukem 3D style software-rendered 3D engine in C from scratch, supporting non-Euclidean geometry. It covers vector rotation and portal rendering with sped-up, tool-assisted coding.