/* * Copyright (c) 2015 NOVA, All rights reserved. * This library is free software, licensed under GNU Lesser General Public License version 3 * * This file is part of NOVA. * * NOVA 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. * * NOVA 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 NOVA. If not, see <http://www.gnu.org/licenses/>. */ package nova.core.entity.component; import nova.core.component.Component; import nova.core.component.UnsidedComponent; import nova.core.component.Updater; import org.apache.commons.math3.geometry.euclidean.threed.Rotation; import org.apache.commons.math3.geometry.euclidean.threed.Vector3D; /** * A rigid body component for entity physics. * @author Calclavia */ @UnsidedComponent public abstract class RigidBody extends Component implements Updater { /** * Mass in kilograms. Default is 1 kg. */ public abstract double getMass(); public abstract void setMass(double mass); /** * Velocity is how fast the body is moving */ public abstract Vector3D getVelocity(); public abstract void setVelocity(Vector3D velocity); public abstract double getDrag(); public abstract void setDrag(double drag); /** * Gravity is an acceleration. */ public abstract Vector3D getGravity(); public abstract void setGravity(Vector3D gravity); /** * Rotation Methods */ public abstract double getAngularDrag(); public abstract void setAngularDrag(double angularDrag); public abstract Rotation getAngularVelocity(); public abstract void setAngularVelocity(Rotation angularVelocity); /** * Forces */ public abstract void addForce(Vector3D force); public abstract void addForce(Vector3D force, Vector3D position); public abstract void addTorque(Vector3D torque); /** * Scala sugar coating */ public final double mass() { return getMass(); } public final Vector3D velocity() { return getVelocity(); } public final double drag() { return getDrag(); } public final Vector3D gravity() { return getGravity(); } public final double angularDrag() { return getAngularDrag(); } public final Rotation angularVelocity() { return getAngularVelocity(); } }