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/*******************************************************************************
* Copyright 2014 See AUTHORS file.
*
* 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 com.badlogic.gdx.ai.pfa;
/** A connection between two nodes of the {@link Graph}. The connection has a non-negative cost that often represents time or
* distance. However, the cost can be anything you want, for instance a combination of time, distance, and other factors.
*
* @param Type of node
*
* @author davebaol */
public interface Connection {
/** Returns the non-negative cost of this connection */
public float getCost ();
/** Returns the node that this connection came from */
public N getFromNode ();
/** Returns the node that this connection leads to */
public N getToNode ();
}