Calculate a point along the line A-B at a given distance from A

Question

I\'m going quite mad trying to calculate the point along the given line A-B, at a given distance from A, so that I can "draw" the line between two given points. It

Answer 1

Try to remove 'magnitude' term in the parentheses both for X and for Y expressions:

(int)(  ((double)a.X + vectorX * distance)  +  0.5  )