Background Introduction Three-dimensional and four-dimensional are common concepts in computer graphics, used to describe space and time respectively. With the continuous expansion of computer application fields, more and more people are beginning to learn three-dimensional and four-dimensional related knowledge. However, for beginners, choosing which one to study is more suitable for them can be a difficult problem. The difference between three dimensions and four dimensions Three dimensions refer to the space we live in, that is, length, width, and height. Calculating