+// 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, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+#include <config.h>
+
+#include "physic.hpp"
+
+Physic::Physic()
+ : ax(0), ay(0), vx(0), vy(0), gravity_enabled(true)
+{
+}
+
+Physic::~Physic()
+{
+}