44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
#include "math3d.h"
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// see: from: http://www.3dkingdoms.com/weekly/weekly.php?a=21
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// basically the same as bbox.h/.cpp but using coldet math
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class OBox
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{
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public:
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OBox() {}
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OBox( const Matrix3D & m, const Vector3D & extent )
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{ Set( m, extent ); }
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OBox( const Matrix3D & m, const Vector3D & low, const Vector3D & high )
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{ Set( m, low, high ); }
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void Set( const Matrix3D & m, const Vector3D & extent )
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{
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m_M = m;
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m_Extent = extent;
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}
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void Set( const Matrix3D & m, const Vector3D & low, const Vector3D & high )
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{
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m_M = m;
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m_M.Translate( 0.5f * (low + high) );
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m_Extent = 0.5f * (high - low);
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}
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Vector3D GetSize()
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{ return 2.0f * m_Extent; }
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Vector3D GetCenterPoint()
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{ return m_M.GetTranslate(); }
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void GetInvRot( Vector3D *pvRot );
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bool IsPointInBox( const Vector3D & p );
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bool IsBoxInBox( OBox & box );
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bool IsSphereInBox( const Vector3D & p, float fRadius );
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bool IsLineInBox( const Vector3D & l1, const Vector3D & l2 );
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bool BoxOutsidePlane( const Vector3D & normal, const Vector3D & p );
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// Data
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Matrix3D m_M;
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Vector3D m_Extent;
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};
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