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