void Line (const Point& pos = origin , const Point& dir = origin )
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Default constructor |
Creates a Line , setting position to pos, and
direction to dir. If this function is called with no
arguments, it creates a Line at the origin with no
direction.
Point p(2, 1, 2); Point d(-3, 3, 3.5); Line L0(p, d); Line L1 = p.get_line(d);
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void Line (const Line& l) | Copy constructor |
Creates a Line , making it a copy of l.
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