2 * Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com.
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/>.
21 /// ***** Public Methods *****
25 return x % y + (x < 0 ? y : 0);
30 Vector2 perp(const Vector2& vec)
32 return Vector2(-vec.y, vec.x);
35 float dot(const Vector2& vec1, const Vector2& vec2)
37 return vec1.x * vec2.x + vec1.y * vec2.y;
40 //TODO float Vector2::projectionCoeff(const Vector2* vec) const;
41 //TODO Vector2* Vector2::projection(const Vector2* vec) const;