76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef BLADERUNNER_RECT_H
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#define BLADERUNNER_RECT_H
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#include "common/debug.h"
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#include "common/types.h"
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#include "common/util.h"
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namespace BladeRunner {
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struct Rect {
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float x0;
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float y0;
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float x1;
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float y1;
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Rect()
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: x0(0.0f), y0(0.0f), x1(0.0f), y1(0.0f)
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{}
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Rect(float x0, float y0, float x1, float y1)
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: x0(x0), y0(y0), x1(x1), y1(y1)
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{}
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void expand(float d) {
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x0 -= d;
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y0 -= d;
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x1 += d;
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y1 += d;
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}
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void trunc_2_decimals() {
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x0 = truncf(x0 * 100.0f) / 100.0f;
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y0 = truncf(y0 * 100.0f) / 100.0f;
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x1 = truncf(x1 * 100.0f) / 100.0f;
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y1 = truncf(y1 * 100.0f) / 100.0f;
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}
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};
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inline bool overlaps(const Rect &a, const Rect &b) {
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return !(a.y1 < b.y0 || a.y0 > b.y1 || a.x0 > b.x1 || a.x1 < b.x0);
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}
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inline Rect merge(const Rect &a, const Rect &b) {
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Rect c;
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c.x0 = MIN(a.x0, b.x0);
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c.y0 = MIN(a.y0, b.y0);
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c.x1 = MAX(a.x1, b.x1);
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c.y1 = MAX(a.y1, b.y1);
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return c;
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}
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} // End of namespace BladeRunner
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#endif
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