基本功能实现：物体通过鼠标左键上下移动，中间键缩放、右键旋转，30秒没操作，物体自动旋转
实例代码：
using UnityEngine;
using System.Collections; public class Script_07_11 : MonoBehaviour
{ public Transform target; private int MouseWheelSensitivity = 50;
private int MouseZoomMin = 20;
private int MouseZoomMax = 112;
private float normalDistance = 500; private bool flag_Roable = true;//自动旋转标志 private Vector3 normalized; private float xSpeed = 250.0f;
private float ySpeed = 120.0f; private float x = 0.0f;
private float y = 0.0f; private System.DateTime oldTime;
private System.DateTime nowTime; void Start ()
{ oldTime = System.DateTime.Now;
//transform.LookAt(target); } void Update ()
{
nowTime = System.DateTime .Now;
System.TimeSpan ts1 = new System.TimeSpan(oldTime.Ticks);
System.TimeSpan ts2 = new System.TimeSpan(nowTime.Ticks); System.TimeSpan ts = ts2.Subtract(ts1).Duration(); if(ts.Seconds>30 && !Input.anyKey)
{
flag_Roable = true;
oldTime = System.DateTime.Now;
} if(flag_Roable && Input.anyKey)
{
flag_Roable = false;
} if(flag_Roable)//自动旋转
{ x-=Time.deltaTime*30; var rotation = Quaternion.Euler(0,x,0);
transform.RotateAround(target.position,Vector3.up,0.3f);
}
else
{
if(Input.GetMouseButton(1))
{
if(Input.GetAxis("Mouse X")<0)
transform.RotateAround(target.position,Vector3.down,4);
if(Input.GetAxis("Mouse X")>0)
transform.RotateAround(target.position,Vector3.up,4);
}
else if (Input.GetAxis("Mouse ScrollWheel") != 0)
{ //normalized = (transform.position - CameraTarget).normalized; if (normalDistance >= MouseZoomMin && normalDistance <= MouseZoomMax)
{
normalDistance -= Input.GetAxis("Mouse ScrollWheel") * MouseWheelSensitivity;
}
if (normalDistance < MouseZoomMin)
{
normalDistance = MouseZoomMin;
}
if (normalDistance > MouseZoomMax)
{
normalDistance = MouseZoomMax;
}
//transform.position = normalized * normalDistance;
transform.camera.fieldOfView = normalDistance; }
else if(Input.GetMouseButton(0))
{
//print("wyz-==="+Input.GetAxis("Mouse Y"));
if(Input.GetAxis("Mouse Y")<0) //down
{
Vector3 temp=Vector3.up * 60.0f * Time.deltaTime; print("wyz==up==="+transform.localPosition.y);
if(transform.localPosition.y>300)
{
temp=Vector3.up * 5.0f * Time.deltaTime;
transform.Translate(temp);
}
else
{
transform.Translate(temp);
}
} if(Input.GetAxis("Mouse Y")>0) //up
{
print("wyz==donw==="+transform.localPosition.y);
Vector3 temp=Vector3.down * 60.0f * Time.deltaTime; if(transform.localPosition.y<-300)
{
temp=Vector3.up * 5.0f * Time.deltaTime;
transform.Translate(temp);
}
else
{
transform.Translate(temp);
}
} } } } }