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_AATRIANGLE_HPP
18 #define HEADER_SUPERTUX_MATH_AATRIANGLE_HPP
20 #include "math/rectf.hpp"
23 * An axis-aligned triangle (ie. a triangle where 2 sides are parallel to the x-
31 * SOUTHEWEST NORTHEAST SOUTHEAST NORTHWEST
32 * * or *---* or * or *---*
37 * Deform flags: (see docs/aatriangletypes.png for details)
44 DIRECTION_MASK = 0x0003,
45 DEFORM_BOTTOM = 0x0010,
48 DEFORM_RIGHT = 0x0040,
52 static int vertical_flip(int dir);
60 AATriangle(const Rectf& newbbox, int newdir) :