X-Git-Url: http://gitweb.pgornicz.com/gitweb.cgi?a=blobdiff_plain;f=src%2FVector2.h;h=13ffd883503bec2b7740cb715642e5801166ddbe;hb=a5aefcc603bef438a25cabaacbcc9797c2e32722;hp=d2bc2a0715390af6fbd833f1ff5d9b66df996591;hpb=ad9f1fb6bdfc51df61a7fb52d607ca0c0bceca4c;p=physics.git diff --git a/src/Vector2.h b/src/Vector2.h index d2bc2a0..13ffd88 100644 --- a/src/Vector2.h +++ b/src/Vector2.h @@ -1,3 +1,20 @@ +/* + * Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + #ifndef VECTOR2_H #define VECTOR2_H @@ -15,12 +32,16 @@ class Vector2 Vector2(); Vector2(float, float); Vector2(const Vector2&); + ~Vector2(); void zero(); void unit(); float angle() const; float length() const; + float sqrLength() const; + + float dot(const Vector2&) const; Vector2 add(const Vector2&) const; Vector2 subtract(const Vector2&) const; @@ -32,8 +53,10 @@ class Vector2 }; /// ***** Header Methods ***** -// definitions of the operators are external -// because (float, Vector2) would fail inside class + +// definitions of the operators are external because (float, Vector2) would +// fail inside the class + Vector2 operator+(const Vector2&, const Vector2&); Vector2 operator-(const Vector2&, const Vector2&); Vector2 operator*(float, const Vector2&);