Как поделить вектор пополам?

[2morrowMan]

ActionScript 2.0 Language Reference 
        
  
ActionScript classes > Point (flash.geom.Point) > subtract (Point.subtract method)   
 

subtract (Point.subtract method)
public subtract(v:Point) : Point

Subtracts the coordinates of another point from the coordinates of this point to create a new point.

Availability: ActionScript 1.0; Flash Player 8

Parameters
v:Point - The point to be subtracted.

Returns
Point - The new point.

Example
The following example creates point_3 by subtracting point_2 from point_1. 

import flash.geom.Point;
var point_1:Point = new Point(4, 8);
var point_2:Point = new Point(1, 2);
var resultPoint:Point = point_1.subtract(point_2);
trace(resultPoint.toString()); // (x=3, y=6)