45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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#pragma once
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#ifndef CPLANE_H
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#define CPLANE_H
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//=========================================================
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// Plane
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//=========================================================
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class CPlane
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{
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public:
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CPlane ( void );
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//=========================================================
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// InitializePlane - Takes a normal for the plane and a
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// point on the plane and
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//=========================================================
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void InitializePlane ( const Vector &vecNormal, const Vector &vecPoint );
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//=========================================================
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// PointInFront - determines whether the given vector is
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// in front of the plane.
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//=========================================================
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bool PointInFront ( const Vector &vecPoint );
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//=========================================================
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// How far off the plane is this point?
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//=========================================================
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float PointDist( const Vector &vecPoint );
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private:
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Vector m_vecNormal;
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float m_flDist;
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bool m_fInitialized;
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};
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#endif //CPLANE_H
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