Calculate the distance between two sets of coordinates (points).
| name | type | description |
|---|---|---|
| x1 | number |
The x coordinate of the first point. |
| y1 | number |
The y coordinate of the first point. |
| x2 | number |
The x coordinate of the second point. |
| y2 | number |
The y coordinate of the second point. |
The distance between each point.