# Distance Formula

``` BBS: Inland Empire Archive
Date: 06-22-92 (17:45)             Number: 1087
From: ROBERT CHURCH                Refer#: NONE
To: CHUCK HEMPHILL                Recvd: YES
Subj: Distance Formula               Conf: (2) Quik_Bas```
``` CH>  RC> I need some help with a little math.  For a game I'm writing, I
CH> need to
CH>  RC> not only find the distance between two points on a grid, but to
CH> find
CH>  RC> the POINTS on the grid.
CH>
CH> Robert, this might get you started. In a game utility that I wrote, I
CH> use
CH> the Pythagorean Theorem that basically says that in a right triangle,
CH> the
CH> square of hypotenuse is equal to the sum of the squares of the other
CH> two
CH> sides.

Thanks, but that really wasn't my question.

----------------------------
|  .  .  .  .  .  .  .  .  .     We'll say point 'a' is (1,3) and 'b'
|  a  .  .  .  .  .  .  .  .     is (8,1).  I want to know the
|  .  .  .  .  .  .  .  .  .     coordinates of all the points between
|  .  .  .  .  .  .  .  b  .     two points.  It's been suggested that I
|  .  .  .  .  .  .  .  .  .     find the slope of line 'ab' and add that
|  .  .  .  .  .  .  .  .  .     to 'a' for the length of the line.  This
works.  Thanks to Paul Leonard.

-Rob

--- PPoint 1.32
* Origin: Live from Hillsboro, OR (1:105/319.27)
```

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