/*
* Copyright (C) 2014 MillerV
*
* 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 <http://www.gnu.org/licenses/>.
*/
package aspect.physics.dynamics;
import aspect.util.Vector3;
import aspect.entity.Entity;
/**
*
* @author MillerV
*/
public class UniformGravity implements Force {
public Vector3 acc;
public UniformGravity(Vector3 acc) {
this.acc = acc;
}
public UniformGravity() {
this.acc = new Vector3(0, -9.8f, 0);
}
public void setAcceleration(Vector3 acc) {
this.acc = acc;
}
@Override
public Vector3 getForce(Entity ent) {
return acc.times(ent.rigidBody().mass);
}
}