44 lines
1.2 KiB
C
44 lines
1.2 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 ); }
|
||
|
|
|
||
|
|
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()
|
||
|
|
{ return 2.0f * m_Extent; }
|
||
|
|
Vector3D GetCenterPoint()
|
||
|
|
{ return m_M.GetTranslate(); }
|
||
|
|
void GetInvRot( Vector3D *pvRot );
|
||
|
|
|
||
|
|
bool IsPointInBox( const Vector3D & p );
|
||
|
|
bool IsBoxInBox( OBox & box );
|
||
|
|
bool IsSphereInBox( const Vector3D & p, float fRadius );
|
||
|
|
bool IsLineInBox( const Vector3D & l1, const Vector3D & l2 );
|
||
|
|
bool BoxOutsidePlane( const Vector3D & normal, const Vector3D & p );
|
||
|
|
|
||
|
|
// Data
|
||
|
|
Matrix3D m_M;
|
||
|
|
Vector3D m_Extent;
|
||
|
|
};
|