Unity C#脚本实现的相机漫游…

转载请注明出处http://blog.sina.com.cn/u/1580340211

最近总监把之前的项目导出发现有相机乱晃动的情况，后来发现竟然是Unity版本的问题，之前的3.5的版本导入到4.0里面（因为用的是64bit的win7），导出成x64的时候竟然出现了很大的问题，于是总监建议自己写一个结合mouselook和move的代码，虽然在人视模式的时候没有完全消除刚体碰撞带来的影响，代码还没有足够的优化，但是基本的切换已经实现了（话说因为不知道什么叫人视模式还被boss鄙视了....)

using UnityEngine;

using System.Collections;

public class RotandMove_Camera : MonoBehaviour {

private Vector3 oldMousePos;

private Vector3 newMosuePos;

private Texture2D gogj;

public GameObject currentCamera=null;

public GameObject currentCam_root=null;

public float moveSpeed=0.1f;

public float rotSpeed=15.0f;

public float scalSensetive=10.0f;

public float minFov=15.0f;

public float maxFov=90.0f;

public float minimumY = -60F;

public float maximumY = 60F;

public float personHeight=2.0F;

public float middleMoveSpeed=0.1F;//鼠标中间控制相机的速度

public GameObject cube;

private Vector3 origiPos;

private Vector3 origiUp;

private Vector3 origiRight;

private string viewString="Person Veiw";

public enum ViewMode { SuperView = 0, PersonView = 1 }

public ViewMode camView = ViewMode.PersonView;

// Use this for initialization

void OnGUI()

{

if(GUILayout.Button("SuperView",GUILayout.Height(50)))

{

       camView=ViewMode.SuperView;

if(currentCamera)

{

currentCamera.collider.isTrigger=true;

}

viewString="Super View";

}

if(GUILayout.Button("PersonView",GUILayout.Height(50)))

{

camView=ViewMode.PersonView;

if(currentCamera)

{

currentCamera.gameObject.collider.isTrigger=false;

//currentCamera.rigidbody.isKinematic=true;

}

viewString="Person View";

}

if(GUILayout.Button("Reset",GUILayout.Height(50)))

{

if(currentCamera)

{

currentCamera.transform.position=origiPos;

currentCamera.transform.up=origiUp;

currentCamera.transform.right=origiRight;

}

}

GUILayout.Label(viewString);

}

void Start () 

{

if(currentCamera==null)

currentCamera=GameObject.Find("MainCamera");

origiPos=currentCamera.transform.position;

origiUp=currentCamera.transform.up;

origiRight=currentCamera.transform.right;

currentCamera.rigidbody.freezeRotation=true;

oldMousePos=newMosuePos=Input.mousePosition;

}

// Update is called once per frame

void Update () 

{

 if(camView==ViewMode.PersonView)

{

moveCamera();

scaleCamera();

rotateCamera();

terrainDetect();

}

 if(camView==ViewMode.SuperView)

{

moveCamera();

scaleCamera();

superViewMouse();

}

oldMousePos=Input.mousePosition;

}

void moveCamera(){

if(Input.GetKey(KeyCode.A)||Input.GetKey(KeyCode.LeftArrow))

{

currentCamera.transform.Translate(newVector3(-moveSpeed,0,0),Space.Self);

}

if(Input.GetKey(KeyCode.D)||Input.GetKey(KeyCode.RightArrow))

{

currentCamera.transform.Translate(newVector3(moveSpeed,0,0),Space.Self);

}

if(Input.GetKey(KeyCode.W)||Input.GetKey(KeyCode.UpArrow))

{

currentCamera.transform.Translate(newVector3(0,0,moveSpeed),Space.Self);

}

if(Input.GetKey(KeyCode.S)||Input.GetKey(KeyCode.DownArrow))

{

currentCamera.transform.Translate(newVector3(0,0,-moveSpeed),Space.Self);

}

if(Input.GetKey(KeyCode.Q)&&(camView==ViewMode.SuperView))

{

currentCamera.transform.Translate(newVector3(0,moveSpeed,0),Space.World);

}

if(Input.GetKey(KeyCode.E)&&(camView==ViewMode.SuperView))

{

   currentCamera.transform.Translate(newVector3(0,-moveSpeed,0),Space.World);

}

}

void rotateCamera(){

if(Input.GetMouseButton(0))

{

newMosuePos=Input.mousePosition;

Vector3 dis=newMosuePos-oldMousePos;

float angleX=dis.x*rotSpeed*Time.deltaTime;

float angleY=dis.y*rotSpeed*Time.deltaTime;

currentCamera.transform.Rotate(newVector3(-angleY,0,0),Space.Self);

  currentCamera.transform.Rotate(newVector3(0,angleX,0),Space.World);

}

//oldMousePos=newMosuePos=Input.mousePosition;

}

void scaleCamera()

{

float fov=currentCamera.camera.fieldOfView;

fov-=Input.GetAxis("Mouse ScrollWheel")*scalSensetive;

fov=Mathf.Clamp(fov,minFov,maxFov);

currentCamera.camera.fieldOfView=fov;

}

void terrainDetect()

{

Ray ray=newRay(currentCamera.transform.position,Vector3.down);

RaycastHit rayHit;

if(Physics.Raycast(ray,out rayHit,10))

{   

   Vector3oldVec=currentCamera.transform.position;

currentCamera.transform.position=newVector3(oldVec.x,rayHit.point.y+personHeight,oldVec.z);

}

}

void middleMove()

{

//鼠标中键控制相机的移动

if(Input.GetMouseButton(1))

{

newMosuePos=Input.mousePosition;

Vector3 dis2=newMosuePos-oldMousePos;

      

Debug.Log("Dis2 X "+dis2.x+" Y"+dis2.y);

currentCamera.transform.Translate(newVector3(-dis2.x*middleMoveSpeed*Time.deltaTime,0,0),Space.Self);

  currentCamera.transform.Translate(newVector3(0,-dis2.y*middleMoveSpeed*Time.deltaTime,0),Space.Self);

}

}

void superViewMouse()

{

if(Input.GetAxis("Fire3")==1)

{

newMosuePos=Input.mousePosition;

Vector3 dis2=newMosuePos-oldMousePos;

      

Debug.Log("Dis2 X "+dis2.x+" Y"+dis2.y);

currentCamera.transform.Translate(newVector3(-dis2.x*middleMoveSpeed*Time.deltaTime,0,0),Space.Self);

  currentCamera.transform.Translate(newVector3(0,-dis2.y*middleMoveSpeed*Time.deltaTime,0),Space.Self);

}

if(Input.GetMouseButton(0))

{

newMosuePos=Input.mousePosition;

Vector3 dis=newMosuePos-oldMousePos;

float angleX=dis.x*rotSpeed*Time.deltaTime;

float angleY=dis.y*rotSpeed*Time.deltaTime;

currentCamera.transform.Rotate(newVector3(-angleY,0,0),Space.Self);

  currentCamera.transform.Rotate(newVector3(0,angleX,0),Space.World);

}

}

}

PS：

使用的时候要给相机绑定一个刚体，同时最好是使用胶囊碰撞体（人视模式同时实现了碰撞检测，可以实现不同的高度在不平坦地形上的运动）

超级模式

人视模式