diff options
| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /mp/src/game/server/cplane.cpp | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/game/server/cplane.cpp')
| -rw-r--r-- | mp/src/game/server/cplane.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/mp/src/game/server/cplane.cpp b/mp/src/game/server/cplane.cpp new file mode 100644 index 00000000..e7d7d35e --- /dev/null +++ b/mp/src/game/server/cplane.cpp @@ -0,0 +1,71 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "game.h"
+#include "cplane.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//=========================================================
+// Plane
+//=========================================================
+CPlane::CPlane ( void )
+{
+ m_fInitialized = FALSE;
+}
+
+//=========================================================
+// InitializePlane - Takes a normal for the plane and a
+// point on the plane and
+//=========================================================
+void CPlane::InitializePlane ( const Vector &vecNormal, const Vector &vecPoint )
+{
+ m_vecNormal = vecNormal;
+ m_flDist = DotProduct ( m_vecNormal, vecPoint );
+ m_fInitialized = TRUE;
+}
+
+
+//=========================================================
+// PointInFront - determines whether the given vector is
+// in front of the plane.
+//=========================================================
+bool CPlane::PointInFront ( const Vector &vecPoint )
+{
+ float flFace;
+
+ if ( !m_fInitialized )
+ {
+ return FALSE;
+ }
+
+ flFace = DotProduct ( m_vecNormal, vecPoint ) - m_flDist;
+
+ if ( flFace >= 0 )
+ {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+//=========================================================
+//=========================================================
+float CPlane::PointDist ( const Vector &vecPoint )
+{
+ float flDist;
+
+ if ( !m_fInitialized )
+ {
+ return FALSE;
+ }
+
+ flDist = DotProduct ( m_vecNormal, vecPoint ) - m_flDist;
+
+ return flDist;
+}
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