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From Lars Nilson, bug fix to Sector::computeMatrix()

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This commit is contained in:
Robert Osfield
2008-05-27 17:32:26 +00:00
parent 7ab1219ea3
commit e427d50d9a
1 changed files with 7 additions and 12 deletions
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19
src/osgSim/Sector.cpp
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@@ -230,20 +230,15 @@ DirectionalSector::DirectionalSector(const osg::Vec3& direction,float horizLobeA
void DirectionalSector::computeMatrix()
{
float cR = cos(_rollAngle) ;
float sR = sin(_rollAngle) ;
// Just for clarity
#define D _direction
_local_to_LP.set(
cR*D[1]+sR*D[0]*D[2], -cR*D[0]+sR*D[1]*D[2], -sR*(D[0]*D[0]+D[1]*D[1]), 0.0,
D[0], D[1], D[2], 0.0,
sR*D[1]-cR*D[0]*D[2], -sR*D[0]-cR*D[1]*D[2], cR*(D[0]*D[0]+D[1]*D[1]), 0.0,
0.0, 0.0, 0.0, 1.0) ;
double heading = atan2(_direction[0], _direction[1]);
double pitch = atan2(_direction[2], sqrt(_direction[0]*_direction[0] + _direction[1]*_direction[1]));
double roll = _rollAngle;
_local_to_LP = osg::Matrixd::identity();
_local_to_LP.preMult(osg::Matrix::rotate(heading, 0.0, 0.0, -1.0));
_local_to_LP.preMult(osg::Matrix::rotate(pitch, 1.0, 0.0, 0.0));
_local_to_LP.preMult(osg::Matrix::rotate(roll, 0.0, 1.0, 0.0));
}
void DirectionalSector::setDirection(const osg::Vec3& direction)
{