   ###*
   Construct a point on the unit circle for the given angle.
 
+  @name fromAngle
+  @methodOf Point
+
   @param {Number} angle The angle in radians
   @type Point
   @returns The point on the unit circle.

      p2.x - p1.x
    )

  window["Point"] = Point
)()


  standing at point p2, then this method will return the direction
  that the dude standing at p1 will need to face to look at p2.

  @name direction
  @methodOf Point

  @param {Point} p1 The starting point.
  @param {Point} p2 The ending point.
  @type Number
  @returns The direction from p1 to p2 in radians.
  ###
  Point.direction = (p1, p2) ->
