2 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #ifndef HEADER_SUPERTUX_MATH_RECTF_HPP
18 #define HEADER_SUPERTUX_MATH_RECTF_HPP
22 #include "math/vector.hpp"
23 #include "object/anchor_point.hpp"
25 /** This class represents a rectangle.
26 * (Implementation Note) We're using upper left and lower right point instead of
27 * upper left and width/height here, because that makes the collision detection
28 * a little bit more efficient.
38 Rectf(const Vector& np1, const Vector& np2)
43 Rectf(float x1, float y1, float x2, float y2)
44 : p1(x1, y1), p2(x2, y2)
46 assert(p1.x <= p2.x && p1.y <= p2.y);
49 float get_left() const
52 float get_right() const
58 float get_bottom() const
61 float get_width() const
62 { return p2.x - p1.x; }
64 float get_height() const
65 { return p2.y - p1.y; }
67 Vector get_middle() const
68 { return Vector((p1.x+p2.x)/2, (p1.y+p2.y)/2); }
70 void set_pos(const Vector& v)
75 void set_height(float height)
79 void set_width(float width)
83 void set_size(float width, float height)
90 return Vector(get_width(), get_height());
93 void move(const Vector& v)
99 bool contains(const Vector& v) const
101 return v.x >= p1.x && v.y >= p1.y && v.x < p2.x && v.y < p2.y;
103 bool contains(const Rectf& other) const
105 if(p1.x >= other.p2.x || other.p1.x >= p2.x)
107 if(p1.y >= other.p2.y || other.p1.y >= p2.y)
113 float distance (const Vector& other, AnchorPoint ap = ANCHOR_MIDDLE) const
115 Vector v = get_anchor_pos (*this, ap);
116 return ((v - other).norm ());
119 float distance (const Rectf& other, AnchorPoint ap = ANCHOR_MIDDLE) const
121 Vector v1 = get_anchor_pos (*this, ap);
122 Vector v2 = get_anchor_pos (other, ap);
124 return ((v1 - v2).norm ());
127 // leave these two public to save the headaches of set/get functions for such