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boundingLine.I
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53 lines (49 loc) · 1.07 KB
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/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file boundingLine.I
* @author drose
* @date 2000-07-04
*/
/**
*
*/
INLINE_MATHUTIL BoundingLine::
BoundingLine() {
}
/**
*
*/
INLINE_MATHUTIL BoundingLine::
BoundingLine(const LPoint3 &a, const LPoint3 &b) :
_origin(a), _vector(b - a)
{
_vector.normalize();
_flags = 0;
nassertd(!_origin.is_nan() && !_vector.is_nan()) {
_flags = F_empty;
}
}
/**
* Returns the first point that defines the line.
*/
INLINE_MATHUTIL const LPoint3 &BoundingLine::
get_point_a() const {
nassertr(!is_empty(), _origin);
nassertr(!is_infinite(), _origin);
return _origin;
}
/**
* Returns the second point that defines the line.
*/
INLINE_MATHUTIL LPoint3 BoundingLine::
get_point_b() const {
nassertr(!is_empty(), _origin);
nassertr(!is_infinite(), _origin);
return _origin + _vector;
}