Make isBetweenPoints-check include the begin and end points.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1483 dfc29bdd-3216-0410-991c-e03cc46cb475

changes.txt

 Changes in version 1.5 (... 2008)
 
+ - isBetweenPoints return true now even for the begin and end points, i.e. line segments are now including their start and end.
+
  - Fix XML reader creation for non-existing files and invalid callbacks.
 
  - Avoid loading textures which are not used by the mesh in b3d loader.

include/vector2d.h

@@ -218,8 +218,8 @@ public:
 	bool isBetweenPoints(const vector2d<T>& begin, const vector2d<T>& end) const
 	{
 		const T f = (end - begin).getLengthSQ();
-		return getDistanceFromSQ(begin) < f &&
-			getDistanceFromSQ(end) < f;
+		return getDistanceFromSQ(begin) <= f &&
+			getDistanceFromSQ(end) <= f;
 	}
 
 	//! Get the interpolated vector

include/vector3d.h

@@ -117,8 +117,8 @@ namespace core
 		bool isBetweenPoints(const vector3d<T>& begin, const vector3d<T>& end) const
 		{
 			const T f = (end - begin).getLengthSQ();
-			return getDistanceFromSQ(begin) < f &&
-				getDistanceFromSQ(end) < f;
+			return getDistanceFromSQ(begin) <= f &&
+				getDistanceFromSQ(end) <= f;
 		}
 
 		//! Normalizes the vector.