/*
* $Id$
* 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 position for evading the target vector.
*
* <p>Evading is fleeing a target position by predicting its next position.
*
* @author $Author: sgalland$
* @version $FullVersion$
* @mavengroupid $GroupId$
* @mavenartifactid $ArtifactId$
* @since 14.0
*/
public interface EvadingMotionAlgorithm {
/** Calculate the linear motion for evading the given target point.
*
* @param position is the current position of the entity.
* @param linearSpeed is the current linear speed of the entity.
* @param maxLinear is the maximal linear speed or acceleration of the entity.
* @param targetPosition is the position of the target.
* @param targetLinearMotion is the linear motion of the target.
* @return the agent motion.
*/
@Pure
Vector2D<?, ?> calculate(Point2D<?, ?> position, double linearSpeed, double maxLinear,
Point2D<?, ?> targetPosition, Vector2D<?, ?> targetLinearMotion);
/** Predict the next position of the target.
*
* @param targetPosition is the position of the target.
* @param targetLinearMotion is the linear motion of the target.
* @return the predicted position.
*/
@Pure
Point2D<?, ?> predictTargetPosition(Point2D<?, ?> targetPosition, Vector2D<?, ?> targetLinearMotion);
}