// Box.cpp



#include "Types.h"

#include "Math.h"

#include "List.h"

#include "Misc.h"

#include "Object.h"

#include "Box.h"





bool32 CBox::ContainsPoint( Vector3 *v )

{

	Plane

		*plane;

	s32

		p;

	float

		d;



	for (p=0; p<Planes.Count; p++)

	{

		plane = Planes[p];



		d = DotProduct( v, &plane->Normal );



		if (d < plane->Dist)

			return( FALSE );

	}



	return( TRUE );

}





void CBox::Load( CObject *obj )

{

	Plane

		*plane;

	SFace

		*face;

	Vector3

		v0,

		v1,

		v2;

	s32

		i;



	for (i=0; i<obj->NumFaces; i++)

	{

		plane = new Plane;



		face = obj->GetFace( i );

		v0 = *obj->GetVert( 0, face->vtx[0] );

		v1 = *obj->GetVert( 0, face->vtx[1] );

		v2 = *obj->GetVert( 0, face->vtx[2] );



		plane->Normal = CrossProduct( v1 - v0, v2 - v0 );

		plane->Normal.Normalize();

		plane->Dist = -(plane->Normal * v0);

		plane->Normal.Negate();



		Planes.Add( plane );

	}

}