// -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-
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// .oOO8OOOOOOOOOOOOOOOCc
// cO8888: .:oOOOOC. TM
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// .oCOOOOOCc. http://remood.org/
// ----------------------------------------------------------------------------
// Copyright (C) 1993-1996 by id Software, Inc.
// Copyright (C) 1998-2000 by DooM Legacy Team.
// Copyright (C) 2008-2013 GhostlyDeath <ghostlydeath@remood.org>
// <ghostlydeath@gmail.com>
// ----------------------------------------------------------------------------
// 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.
// ----------------------------------------------------------------------------
// DESCRIPTION:
// bounding boxes
#include "doomtype.h"
#include "m_bbox.h"
void M_ClearBox(fixed_t* box)
{
box[BOXTOP] = box[BOXRIGHT] = INT_MIN;
box[BOXBOTTOM] = box[BOXLEFT] = INT_MAX;
}
void M_AddToBox(fixed_t* box, fixed_t x, fixed_t y)
{
if (x < box[BOXLEFT])
box[BOXLEFT] = x;
if (x > box[BOXRIGHT])
box[BOXRIGHT] = x;
if (y < box[BOXBOTTOM])
box[BOXBOTTOM] = y;
if (y > box[BOXTOP])
box[BOXTOP] = y;
}
bool_t M_CircleTouchBox(fixed_t* box, fixed_t circlex, fixed_t circley, fixed_t circleradius)
{
if (box[BOXLEFT] - circleradius > circlex)
return false;
if (box[BOXRIGHT] + circleradius < circlex)
return false;
if (box[BOXBOTTOM] - circleradius > circley)
return false;
if (box[BOXTOP] + circleradius < circley)
return false;
return true;
}