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Initial commit of Command & Conquer Renegade source code.

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LFeenanEA
2025-02-27 16:39:46 +00:00
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Code/WWMath/colmathaabox.h Normal file
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/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/***********************************************************************************************
*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
***********************************************************************************************
* *
* Project Name : WWMath *
* *
* $Archive:: /Commando/Code/wwmath/colmathaabox.h $*
* *
* Original Author:: Greg Hjelstrom *
* *
* $Author:: Byon_g $*
* *
* $Modtime:: 10/31/02 11:26a $*
* *
* $Revision:: 10 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* CollisionMath::Overlap_Test -- test overlap between an AABox and a point *
* CollisionMath::Overlap_Test -- Tests overlap between two AABoxes *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#if defined(_MSC_VER)
#pragma once
#endif
#ifndef COLMATHAABOX_H
#define COLMATHAABOX_H
#include "always.h"
#include "aabox.h"
#include "vector3.h"
#include "lineseg.h"
/***********************************************************************************************
* CollisionMath::Overlap_Test -- test overlap between an AABox and a point *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 3/14/2000 gth : Created. *
*=============================================================================================*/
WWINLINE CollisionMath::OverlapType CollisionMath::Overlap_Test(const AABoxClass & box,const Vector3 & point)
{
if (WWMath::Fabs(point.X - box.Center.X) > box.Extent.X) return POS;
if (WWMath::Fabs(point.Y - box.Center.Y) > box.Extent.Y) return POS;
if (WWMath::Fabs(point.Z - box.Center.Z) > box.Extent.Z) return POS;
return NEG;
}
/***********************************************************************************************
* CollisionMath::Overlap_Test -- Tests overlap between two AABoxes *
* *
* INPUT: *
* *
* OUTPUT: *
* *
* WARNINGS: *
* *
* HISTORY: *
* 11/19/99 gth : Created. *
*=============================================================================================*/
WWINLINE CollisionMath::OverlapType CollisionMath::Overlap_Test(const AABoxClass & box,const AABoxClass & box2)
{
Vector3 dc;
Vector3::Subtract(box2.Center,box.Center,&dc);
if (box.Extent.X + box2.Extent.X < WWMath::Fabs(dc.X)) return POS;
if (box.Extent.Y + box2.Extent.Y < WWMath::Fabs(dc.Y)) return POS;
if (box.Extent.Z + box2.Extent.Z < WWMath::Fabs(dc.Z)) return POS;
if ( (dc.X + box2.Extent.X <= box.Extent.X) &&
(dc.Y + box2.Extent.Y <= box.Extent.Y) &&
(dc.Z + box2.Extent.Z <= box.Extent.Z) &&
(dc.X - box2.Extent.X >= -box.Extent.X) &&
(dc.Y - box2.Extent.Y >= -box.Extent.Y) &&
(dc.Z - box2.Extent.Z >= -box.Extent.Z))
{
return NEG; // inside;
}
return BOTH;
}
#endif