/* * $Id$ * This file is a part of the Arakhne Foundation Classes, http://www.arakhne.org/afc * * Copyright (c) 2000-2012 Stephane GALLAND. * Copyright (c) 2005-10, Multiagent Team, Laboratoire Systemes et Transports, * Universite de Technologie de Belfort-Montbeliard. * Copyright (c) 2013-2016 The original authors, and other authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.arakhne.afc.agentmotion; import org.eclipse.xtext.xbase.lib.Pure; import org.arakhne.afc.math.geometry.d2.Point2D; import org.arakhne.afc.math.geometry.d2.Vector2D; /** Agent is changing its orientation for facing the target point. * * @author $Author: sgalland$ * @version $FullVersion$ * @mavengroupid $GroupId$ * @mavenartifactid $ArtifactId$ * @since 14.0 */ public interface FacingMotionAlgorithm { /** Clone this algorithm. * * @return the clone. */ @Pure FacingMotionAlgorithm clone(); /** Calculate the rotation for facing the target point. * * @param position is the current position of the entity. * @param orientation is the current orientation of the entity. * @param angularSpeed is the current angular speed of the entity. * @param maxAngular is the maximal angular speed or acceleration of the entity. * @param target is the point to face to. * @return the agent motion. */ @Pure double calculate(Point2D<?, ?> position, Vector2D<?, ?> orientation, double angularSpeed, double maxAngular, Point2D<?, ?> target); }