From 88fb437eb3a0b7f0eb86184e5269332d7d0282c3 Mon Sep 17 00:00:00 2001
From: Nick Gasson <nick@nickg.me.uk>
Date: Mon, 15 Mar 2010 21:17:26 +0000
Subject: [PATCH] Fix regression in Points::transform

---
 src/Points.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Points.cpp b/src/Points.cpp
index 41234e5..3599bfe 100644
--- a/src/Points.cpp
+++ b/src/Points.cpp
@@ -336,25 +336,25 @@ void Points::transform(const track::TravelToken& aToken, double aDelta) const
       // point makes to (one of) the axis at this point
       const Vector<float> deriv = myCurve.deriv(fValue);
       const float angle =
-         radToDeg<float>(atanf(deriv.y / deriv.x));
+         radToDeg<float>(atanf(deriv.z / deriv.x));
 
       if (myAxis == -axis::X) {
          xTrans = 1.0f - curveValue.x;
-         yTrans = reflected ? curveValue.y : -curveValue.y;
+         yTrans = reflected ? curveValue.z : -curveValue.z;
          rotate = reflected ? angle : -angle;
       }
       else if (myAxis == axis::X) {
          xTrans = curveValue.x;
-         yTrans = reflected ? -curveValue.y : curveValue.y;
+         yTrans = reflected ? -curveValue.z : curveValue.z;
          rotate = reflected ? angle : -angle;
       }
       else if (myAxis == -axis::Y) {
-         xTrans = reflected ? -curveValue.y : curveValue.y;
+         xTrans = reflected ? -curveValue.z : curveValue.z;
          yTrans = 1.0f - curveValue.x;
          rotate = reflected ? angle : -angle;
       }
       else if (myAxis == axis::Y) {
-         xTrans = reflected ? curveValue.y : -curveValue.y;
+         xTrans = reflected ? curveValue.z: -curveValue.z;
          yTrans = curveValue.x;
          rotate = reflected ? angle : -angle;
       }
-- 
2.39.2