using UnityEngine;

 using System.Collections;

 public class CameraCol : MonoBehaviour {

     //控制视野缩放的速率

     public float view_value;

     //控制摄像机移动的速率

     public float move_speed;

     void Update () {

         //放大、缩小

         if( Input.GetAxis("Mouse ScrollWheel") !=  )

         {

             this.gameObject.transform.Translate(new Vector3(,,Input.GetAxis("Mouse ScrollWheel")*Time.deltaTime*view_value));

         }

         //移动视角

         if (Input.GetMouseButton ()) {

             transform.Translate (Vector3.left * Input.GetAxis ("Mouse X") * move_speed);

             transform.Translate(Vector3.up * Input.GetAxis("Mouse Y") * -move_speed);

         }

     }

 }

 //整体移动速度

 var speed=; 

 //关于鼠标滑轮的参数

 var MouseWheelSensitivity = 0.0001f;

 var MouseZoomMin = -2.4f;

 var MouseZoomMax = 1.0f;

 var normalDistance = -1.1; 

 //水平和垂直的移动速度

 var horizontalMoveSpeed = 0.1;

 var verticalMoveSpeed = 0.1; 

 //上左下右的标记

 var topTag = ;

 var leftTag = ;

 var botTag = ;

 var rightTag = ;

 function Start () {

 }

 function Update () {

     if( Input.GetAxis("Mouse ScrollWheel") !=  )

         {

             this.gameObject.transform.Translate(new Vector3(,,Input.GetAxis("Mouse ScrollWheel")*Time.deltaTime*));

         }

     //获取cursor坐标

     var msPos = Input.mousePosition;

     //边界最小值

     var widthBorder = Screen.width/;

     var heightBorder = Screen.height/; 

     var x = 0.0f;

     var y = 0.0f; 

     //当前鼠标位置标记

     var posTag = ; 

     if(widthBorder<=msPos.x && msPos.x<=Screen.width-widthBorder &&

         heightBorder<=msPos.y && msPos.y<=Screen.height-heightBorder)

     {

         transform.Translate(x,y,y);

         Debug.Log("asd"+msPos.x+" "+msPos.y);

     }

     else

     {

     //  posTag

     //

     // 1100 | 1000 | 1001

     // 0100 | 0000 | 0001

     // 0110 | 0010 | 0011

     //

     // 12   |  8   |  9

     // 4    |  0   |  1

     // 6    |  2   |  3

     //

         if(msPos.y>Screen.height-heightBorder)

             posTag = posTag | topTag;

         if(msPos.x<widthBorder)

             posTag = posTag | leftTag;

         if(msPos.y<heightBorder)

             posTag = posTag | botTag;

         if(msPos.x>Screen.width-widthBorder)

             posTag = posTag | rightTag;

         switch(posTag)

         {

         case : break;

         case : x = horizontalMoveSpeed; break;

         case : y = -verticalMoveSpeed; break;

         case : x = horizontalMoveSpeed; y = -verticalMoveSpeed; break;

         case : x = -horizontalMoveSpeed; break;

         case : x = -horizontalMoveSpeed; y = -verticalMoveSpeed; break;

         case : y = verticalMoveSpeed; break;

         case : x = horizontalMoveSpeed; y = verticalMoveSpeed; break;

         case :x = -horizontalMoveSpeed;y = verticalMoveSpeed; break;

         default: break;

         }

         x *= speed*Time.deltaTime;

         y *= speed*Time.deltaTime;

         //

         transform.Translate(x, y, y);

     }

 }