两点之间直线的坐标计算

王者再临

1. using UnityEngine;
   
2. using System.Collections;
   
3. using System.Collections.Generic;
   
4. 
   
5. public class TwoPointLineWihtTerrain : MonoBehaviour {
   
6. 
   
7.         public Transform startPoint;
   
8.         public Transform endPoint;
   
9.         List<Vector3> pointList = new List<Vector3 > (777);
   
10. 
    
11.         // Use this for initialization
    
12.         void Start ()
    
13.         {
    
14.                 ToLinePahtHelp (startPoint.position, endPoint.position).ForEach (a => pointList.Add (a));
    
15.                 DrawLineY.Get1 ().Instance2 ().DLine (ref pointList);//个人画线函数
    
16.         }
    
17. 
    
18.         /// <summary>
    
19.         /// 两点之间直线的坐标计算.
    
20.         /// </summary>
    
21.         /// <returns>The line paht help.</returns>
    
22.         /// <param name="startPoint">起点.</param>
    
23.         /// <param name="endPoint">终点.</param>
    
24.         /// <param name="per">从起点到终点每间隔几米划分一个点.</param>
    
25.         public static List<Vector3> ToLinePahtHelp(Vector3 startPoint,Vector3 endPoint,float per=0.27f)
    
26.         {
    
27.                 List<Vector3> pointList = new List<Vector3 > (777);
    
28.                 Vector3 dir = (endPoint - startPoint).normalized;
    
29.                 Vector3 currentPoint = Vector3.zero;;
    
30.                 float distance = Vector3.Distance(endPoint , startPoint);
    
31.                 int number =(int)( distance / per);
    
32.                 for (int i = 1; i < number + 1; i++)
    
33.                 {
    
34.                         currentPoint = startPoint+ dir * (float)(i*per);
    
35.                         pointList.Add (currentPoint);
    
36.                 }
    
37.                 return pointList;
    
38.         }
    
39. }

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