58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/*
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This file is part of Warzone 2100.
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Copyright (C) 2008 Freddie Witherden
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Copyright (C) 2008 Warzone Resurrection Project
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Warzone 2100 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 2 of the License, or
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(at your option) any later version.
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Warzone 2100 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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You should have received a copy of the GNU General Public License
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along with Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "geom.h"
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rect rectFromPointAndSize(point p, size s)
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{
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rect r;
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r.topLeft = p;
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r.bottomRight.x = p.x + s.x;
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r.bottomRight.y = p.y + s.y;
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return r;
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}
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bool pointInRect(point p, rect r)
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{
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return (r.topLeft.x < p.x
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&& r.bottomRight.x > p.x
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&& r.topLeft.y < p.y
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&& r.bottomRight.y > p.y);
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}
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point pointAdd(point p, point q)
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{
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point r;
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r.x = p.x + q.x;
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r.y = p.y + q.y;
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return r;
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}
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point pointSub(point p, point q)
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{
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point r;
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r.x = p.x - q.x;
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r.y = p.y - q.y;
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return r;
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}
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