void
Camera::rotateYX(REAL ay, REAL ax)
//[]---------------------------------------------------[]
//| Rotate YX. |
//| |
//| Composition of an azimuth of ay with an elavation |
//| of ax (in degrees). |
//[]---------------------------------------------------[]
{
if (Math::isZero(ay))
{
elevation(ax);
return;
}
Transf3 r;
r.rotation(focalPoint, viewUp, Math::toRadians<REAL>(ay));
if (!Math::isZero(ax))
{
Vec3 axis = directionOfProjection.cross(viewUp);
Transf3 q;
q.rotation(focalPoint, axis, Math::toRadians<REAL>(ax));
q.transformVectorRef(viewUp);
r.compose(q);
}
r.transformRef(position);
updateDOP();
}
void
Camera::roll(REAL angle)
//[]---------------------------------------------------[]
//| Roll. |
//| |
//| Rotate the view up vector around the view plane |
//| normal |
//[]---------------------------------------------------[]
{
if (!Math::isZero(angle))
{
Transf3 r;
r.rotation(directionOfProjection, -Math::toRadians<REAL>(angle));
r.transformVectorRef(viewUp);
viewModified = true;
}
}
