[Unity3d]第一人稱和第三人稱視角完美切換

void Update()  { 	 if (Input.GetKey(KeyCode.H)) 	// Lock the cursor inside gameview 	 Screen.lockCursor = true; 	// Hide mouse cursor 	Screen.showCursor = false; 	 	if(Input.GetKey(KeyCode.U)) 	 // Lock the cursor inside gameview 	Screen.lockCursor = false; 	//Show mouse cursor 	Screen.showCursor = true; }

using UnityEngine; using System.Collections;  public class ViewpointSwitch : MonoBehaviour {     //從場景中拖入的object     public GameObject Obj_3rd;     public GameObject cam_3rd;     public GameObject gobj_3rd;      public GameObject Obj_1fs;     public GameObject cam_1fs;     public GameObject gobj_1fs;      //記錄剛進(jìn)入第一人稱視角時候的歐拉角和離開第一視角時候的歐拉角(Y方向)     float pre1fsAngle = 0;     float cur1fsAngle = 0;  	// Update is called once per frame 	void Update ()     {         //切換至第一人稱視角         if (Input.GetKey(KeyCode.F1))         {             //記錄一開始             //pre1fsAngle = cam_1fs.transform.eulerAngles.y;             pre1fsAngle = cam_3rd.transform.eulerAngles.y;  //記錄的第一人稱(這里取的是第三人稱,其實(shí)是一樣的)一開始的y方向歐拉角，這里沒用上面注釋掉的寫法是防止重復(fù)按f1鍵切換然后覆蓋初始值導(dǎo)致旋轉(zhuǎn)角度差值縮小             if (!Obj_1fs.activeSelf)             {                 Obj_1fs.SetActive(true);                 GameObject.Find("Main Character Controller").transform.localPosition = GameObject.Find("3rd Person Controller").transform.localPosition;                 GameObject.Find("Main Character Controller").transform.localRotation = GameObject.Find("3rd Person Controller").transform.localRotation;                 Obj_3rd.SetActive(false);             }         }         //切換至第三人稱視角         if (Input.GetKey(KeyCode.F2))         {             cur1fsAngle = cam_1fs.transform.eulerAngles.y;  //記錄             if (!Obj_3rd.activeSelf)             {                 Obj_3rd.SetActive(true);                 GameObject.Find("3rd Person Controller").transform.localPosition = GameObject.Find("Main Character Controller").transform.localPosition;                 //注意這里Mathf里面的方法是幅度，我這里就進(jìn)行了一個角度轉(zhuǎn)幅度的計(jì)算:幅度=角度*pi/180                 float angle = (cur1fsAngle - pre1fsAngle) * Mathf.PI / 180;                 gobj_3rd.GetComponent<ThirdPersonController>().v = Mathf.Cos(angle);                 gobj_3rd.GetComponent<ThirdPersonController>().h = Mathf.Sin(angle);                 print("旋轉(zhuǎn)角度:" + (cur1fsAngle-pre1fsAngle));                 gobj_3rd.GetComponent<ThirdPersonController>().flag = true;  //這個flag標(biāo)志是讓ThirdPersonController的update方法執(zhí)行改變上面的v,h一次，然后第二幀的時候就執(zhí)行v=Input.GetAxisRaw("Vertical")和h=Input.GetAxisRaw("Horizontal")                 Obj_1fs.SetActive(false);             }         } 	} } 

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