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