# Vector Functions

## This section explains vectors and lists some
vector based functions

For an explanation of vectors and normalised vectors you can
read the following two sections which give a brief overview of what
is a vector and how it can be used in making games:

- What Is A Vector?

- Normalised Vectors

*GameMaker: Studio* also has a number of vector-based
functions, listed below:

- point_direction

- point_distance

- point_distance_3d

- dot_product

- dot_product_normalised

- dot_product_3d

- dot_product_3d_normalised

- angle_difference

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