X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fvector.cpp;h=ac5a2058191e4f7e11d24218ba8085e93d7372d8;hb=4b37ccbdf263a4798e53a62e33d869a728ace283;hp=23bd783cf2fcce61dd3c6ab6627972ca7678813a;hpb=a42277d4d950d32459b16b3ec8ee8287c9c0afab;p=architektonas

diff --git a/src/vector.cpp b/src/vector.cpp
index 23bd783..ac5a205 100644
--- a/src/vector.cpp
+++ b/src/vector.cpp
@@ -244,9 +244,9 @@ double Vector::Parameter(Vector v1, Vector v2, Vector p)
 	// the perpendicular lies beyond the 1st endpoint. If pp > 1, then the
 	// perpendicular lies beyond the 2nd endpoint.
 
-	Vector lineSegment = v2 - v1;
+	Vector lineSegment = v1 - v2;
 	double magnitude = lineSegment.Magnitude();
-	Vector pointSegment = p - v1;
+	Vector pointSegment = p - v2;
 	double t = lineSegment.Dot(pointSegment) / (magnitude * magnitude);
 	return t;
 }
@@ -256,7 +256,7 @@ double Vector::Parameter(Vector v1, Vector v2, Vector p)
 // (Not sure which is head or tail, or which hand the normal lies)
 /*static*/ Vector Vector::Normal(Vector v1, Vector v2)
 {
-	Vector v = (v2 - v1).Unit();
+	Vector v = (v1 - v2).Unit();
 	return Vector(-v.y, v.x);
 }