From 20603a208448118de46c19085537ca06aaba1cf2 Mon Sep 17 00:00:00 2001
From: hiker <henrichsjoerg@gmail.com>
Date: Wed, 23 Jul 2014 07:59:47 +1000
Subject: [PATCH] Try better computation of heading (which might be better if
the kart is not in the xz plane).
---
src/karts/moveable.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/karts/moveable.cpp b/src/karts/moveable.cpp
index 84f5d17e0..f85474a69 100644
--- a/src/karts/moveable.cpp
+++ b/src/karts/moveable.cpp
@@ -129,8 +129,8 @@ void Moveable::update(float dt)
if(m_body->getInvMass()!=0)
m_motion_state->getWorldTransform(m_transform);
m_velocityLC = getVelocity()*m_transform.getBasis();
- Vec3 forw_vec = m_transform.getBasis().getColumn(0);
- m_heading = -atan2f(forw_vec.getZ(), forw_vec.getX());
+ Vec3 forw_vec = m_transform.getBasis().getColumn(2);
+ m_heading = atan2f(forw_vec.getX(), forw_vec.getZ());
// The pitch in hpr is in between -pi and pi. But for the camera it
// must be restricted to -pi/2 and pi/2 - so recompute it by restricting