93a4c29b11
Many of the Star Control classes in the original explicitly used floats rather than doubles. I'm switching to using them where applicable for now, since the resulting figures will more closely match the original, and it will be easier to spot errors in the various formulas
65 lines
2 KiB
C++
65 lines
2 KiB
C++
/* 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 TITANIC_FPOINT_H
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#define TITANIC_FPOINT_H
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#include "common/rect.h"
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namespace Titanic {
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/**
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* Floating point Point class
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*/
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class FPoint {
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public:
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float _x, _y;
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public:
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FPoint() : _x(0), _y(0) {}
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FPoint(float x, float y) : _x(x), _y(y) {}
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FPoint(const Common::Point &pt) : _x(pt.x), _y(pt.y) {}
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bool operator==(const FPoint &p) const { return _x == p._x && _y == p._y; }
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bool operator!=(const FPoint &p) const { return _x != p._x || _y != p._y; }
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FPoint operator+(const FPoint &delta) const { return FPoint(_x + delta._x, _y + delta._y); }
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FPoint operator-(const FPoint &delta) const { return FPoint(_x - delta._x, _y - delta._y); }
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void operator+=(const FPoint &delta) {
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_x += delta._x;
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_y += delta._y;
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}
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void operator-=(const FPoint &delta) {
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_x -= delta._x;
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_y -= delta._y;
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}
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/**
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* Normalises the X and Y coordinates as fractions relative to the
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* value of the hypotenuse formed by a triangle from the origin (0,0)
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*/
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float normalize();
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};
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} // End of namespace Titanic
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#endif /* TITANIC_FPOINT_H */
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