1. Analytical Geometry for developers (with JS examples)

It is the first part of analytical geometry tutorial in which I will show basics by coding JS library.

Vector 2D

A vector is an object that has only two property: endpoint and length. Vector is just direction and doesn’t need to have a start point, because the start point is always the start of coordinates.

Now let’s take a look at the basic vector operations. Normalized vector is one with length = 1.

Addition and subtraction

Dot Product

With dot products can be found projection and how the directions of the vectors relates to each other.

Vector3D

Vector3D have same implementation with z.

Repository

A lot of geometry staff coming. Give some claps if you enjoy :)

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