| New file |
| | |
| | | package com.zy.common.model; |
| | | |
| | | import lombok.Data; |
| | | import lombok.ToString; |
| | | |
| | | import java.io.Serializable; |
| | | import java.util.List; |
| | | |
| | | /** |
| | | * A*寻路算法Node节点 |
| | | */ |
| | | @Data |
| | | public class NavigateNode implements Comparable<NavigateNode>, Cloneable, Serializable { |
| | | |
| | | private int x;//坐标x |
| | | private int y;//坐标y |
| | | private int F;//综合花费的步数 |
| | | private int G;//已经花费的步数 |
| | | private int H;//将要花费的步数 |
| | | private int value; |
| | | @ToString.Exclude |
| | | private NavigateNode Father;//父节点 |
| | | private List<String> directionList;//行走方向 |
| | | private String nodeValue;//节点数据 |
| | | private String nodeType;//节点类型 |
| | | |
| | | public NavigateNode(int x, int y) { |
| | | this.x = x; |
| | | this.y = y; |
| | | } |
| | | |
| | | //通过结点的坐标和目标结点的坐标可以计算出F, G, H三个属性 |
| | | //需要传入这个节点的上一个节点和最终的结点 |
| | | public void init_node(NavigateNode father, NavigateNode end) { |
| | | this.Father = father; |
| | | if (this.Father != null) { |
| | | //走过的步数等于父节点走过的步数加一 |
| | | this.G = father.G + this.G; |
| | | } else { //父节点为空代表它是第一个结点 |
| | | this.G = 0; |
| | | } |
| | | |
| | | //以下计算方案为算法原始方案,没有去拐点方案。已被Solution计算时自动覆盖。 |
| | | //计算通过现在的结点的位置和最终结点的位置计算H值(曼哈顿法:坐标分别取差值相加) |
| | | this.H = Math.abs(this.x - end.x) + Math.abs(this.y - end.y); |
| | | this.F = this.G + this.H; |
| | | } |
| | | |
| | | @Override |
| | | public int compareTo(NavigateNode o) { |
| | | return Integer.compare(this.F, o.F); |
| | | } |
| | | |
| | | @Override |
| | | public NavigateNode clone() { |
| | | try { |
| | | return (NavigateNode) super.clone(); |
| | | } catch (CloneNotSupportedException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | return null; |
| | | } |
| | | |
| | | } |