1 using System;
 2 using UnityEngine;
 3
 4 public class ObliqueThrow : MonoBehaviour {
 5
 6     private readonly float gravity = -9.8f;     //重力加速度
 7     private Vector2 horizontalDir;              //水平方向
 8     private float startSpeed;                   //初速度
 9     private float sinValue;                     //sin值
10     private float cosValue;                     //cos值
11     private Vector3 startPos;                   //开始位置
12     private float endY;                         //结束高度(地面高度)
13     private float timer;                        //运动消耗时间
14     private Action<GameObject> finishCallBack;  //落地后的回调
15     private bool canMove = false;               //能否运动
16
17     void Update()
18     {
19         if (!canMove)
20         {
21             return;
22         }
23
24         //移动过程
25         timer = timer + Time.deltaTime;
26
27         float xOffset = startSpeed * timer * cosValue * horizontalDir.x;
28         float zOffset = startSpeed * timer * cosValue * horizontalDir.y;
29         float yOffset = startSpeed * timer * sinValue + 0.5f * gravity * timer * timer;
30
31         Vector3 endPos = startPos + new Vector3(xOffset, yOffset, zOffset);
32         if (endPos.y < endY)
33         {
34             endPos.y = endY;
35             canMove = false;
36         }
37         transform.position = endPos;
38
39         //移动结束
40         if (!canMove)
41         {
42             finishCallBack(gameObject);
43             Destroy(this);
44         }
45     }
46
47     public void StartMove(Vector2 horizontalDir, float startSpeed, float angle, float endY, Action<GameObject> finishCallBack)
48     {
49         this.horizontalDir = horizontalDir;
50         this.startSpeed = startSpeed;
51         sinValue = Mathf.Sin(Mathf.Deg2Rad * angle);
52         cosValue = Mathf.Cos(Mathf.Deg2Rad * angle);
53         startPos = transform.position;
54         this.endY = endY;
55         timer = 0;
56         this.finishCallBack = finishCallBack;
57         canMove = true;
58     }
59 }

 1 using UnityEngine;
 2 using System.Collections.Generic;
 3
 4 public class TestThrow : MonoBehaviour {
 5
 6     public GameObject testGo;
 7     private bool isDebug = false;
 8     private List<GameObject> drawGoList = new List<GameObject>();
 9
10     void Update ()
11     {
12         if (Input.GetKeyDown(KeyCode.Q))
13         {
14             //半径为1的方向圆
15             float randomNum = Random.Range(0f, 1f);//[0, 1]
16             float x = randomNum * 2 - 1;//[-1, 1]
17             float z = Mathf.Sqrt(1 - x * x);
18             if (Random.Range(0f, 1f) > 0.5f)
19             {
20                 z = -z;
21             }
22
23             isDebug = true;
24             ObliqueThrow obliqueThrow = testGo.AddComponent<ObliqueThrow>();
25             obliqueThrow.StartMove(new Vector2(1, 0), 5f, 45f, 0f, (go) => {
26                 isDebug = false;
27                 Debug.Log("移动结束");
28             });
29         }
30         else if(Input.GetKeyDown(KeyCode.W))
31         {
32             testGo.transform.position = new Vector3(0f, 5f, 0f);
33             for (int i = 0; i < drawGoList.Count; i++)
34             {
35                 Destroy(drawGoList[i]);
36             }
37             drawGoList.Clear();
38         }
39
40         if (isDebug)
41         {
42             GameObject go = GameObject.CreatePrimitive(PrimitiveType.Sphere);
43             go.transform.position = testGo.transform.position;
44             go.transform.localScale = new Vector3(0.1f, 0.1f, 0.1f);
45             drawGoList.Add(go);
46         }
47     }
48 }