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 #include <pg/Vector2.h>
26 /// ***** Header Class *****
28 class PhysicsEntity: public Entity
31 PhysicsEntity(const Vector2&);
34 virtual ~PhysicsEntity();
36 virtual void update(float);
38 virtual Vector2 positionAt(float) const;
39 virtual Vector2 velocityAt(float) const;
41 virtual void applyForce(const Vector2& force);
42 virtual void applyForce(const Vector2& force, const Vector2& at);
44 virtual void applyImpulse(const Vector2& impulse);
45 virtual void applyImpulse(const Vector2& impulse, const Vector2& at);
47 virtual void applyNudge(const Vector2& vecPush);
54 // Coefficient of Restitution