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bge track-to actuator: reverse the order of the cross product rather then negating.

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Campbell Barton 2013-01-13 03:48:48 +00:00
parent 1e5ea3e5c4
commit 06dd4fa40c
1 changed files with 3 additions and 3 deletions
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6
source/gameengine/Ketsji/KX_TrackToActuator.cpp
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@ -294,7 +294,7 @@ bool KX_TrackToActuator::Update(double curtime, bool frame)
{
// (1.0 , 0.0 , 0.0 ) x direction is forward, z (0.0 , 0.0 , 1.0 ) up
left = dir.safe_normalized();
dir = -(left.cross(up)).safe_normalized();
dir = up.cross(left).safe_normalized();
mat.setValue (
left[0], dir[0],up[0],
left[1], dir[1],up[1],
@ -334,7 +334,7 @@ bool KX_TrackToActuator::Update(double curtime, bool frame)
{
// (1.0 , 0.0 , 0.0 ) x direction is forward, z (0.0 , 0.0 , 1.0 ) up
left = -dir.safe_normalized();
dir = -(left.cross(up)).safe_normalized();
dir = up.cross(left).safe_normalized();
mat.setValue (
left[0], dir[0],up[0],
left[1], dir[1],up[1],
@ -373,7 +373,7 @@ bool KX_TrackToActuator::Update(double curtime, bool frame)
{
// (1.0 , 0.0 , 0.0 ) -x direction is forward, z (0.0 , 0.0 , 1.0 ) up
left = -dir.safe_normalized();
dir = -(left.cross(up)).safe_normalized();
dir = up.cross(left).safe_normalized();
mat.setValue (
left[0], dir[0],up[0],
left[1], dir[1],up[1],