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50 lines
1.3 KiB
50 lines
1.3 KiB
using UnityEngine;
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using UnityEngine.UI;
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using System.Collections;
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public class Map : MonoBehaviour
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{
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public RectTransform ViewPort; //小地图的视野范围
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public Transform Corner1, Corner2; //放置在地形两个对角上标识位置的空物体 ，以便获得地形的尺寸
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public GameObject BlipPrefab;//显示玩家位置的预设
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public static Map Current;
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private Vector2 terrainSize; //地形的大小
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private RectTransform mapRect; //获取当前地图的位置
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public Map()
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{
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Current = this;
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}
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// Use this for initialization
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void Start()
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{
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terrainSize = new Vector2(
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Corner2.position.x - Corner1.position.x,
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Corner2.position.z - Corner1.position.z);
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mapRect = GetComponent<RectTransform>();
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}
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/// <summary>
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/// 把世界位置转成地图位置的方法
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/// </summary>
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/// <param name="point"></param>
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/// <returns></returns>
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public Vector2 WorldPositionToMap(Vector3 point)
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{
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var pos = point - Corner1.position; //得到当前位置相对于地形起始角的位置
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var mapPos = new Vector2(
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point.x / terrainSize.x * mapRect.rect.width,
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point.z / terrainSize.y * mapRect.rect.height); //缩放到能适配地图尺寸的点
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return mapPos;
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}
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// Update is called once per frame
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void Update()
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{
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ViewPort.position = WorldPositionToMap(Camera.main.transform.position);
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}
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} |