Recently I came across the problem of rotating an object in 3d realtime application around its local axis. To give the answer instantly: It is done like rotation around world axis but in reverse order of rotations. Usually you will  [ Read More ]

A vector and its basis

A vector in mathematics is just a tuple of numbers. When you first come in contact with vectors maybe in school you usually deal with tuples of two numbers like or with three numbers like . So far so good. You  [ Read More ]