效果图：
代码：
![[Unity3d]旋转拖动物体](http://img.blog.csdn.net/20140127161220406?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZGluZ3hpYW93ZWkyMDEz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
using UnityEngine; using System.Collections; public class DragModel : MonoBehaviour { private float x = 0.0f; private float y = 0.0f; private float xSpeed = 800.0f; private float ySpeed = 800.0f; private float zSpeed = 160f; private float minDistence = -3; private float maxDistence = 15; void Update () { if(Input.GetMouseButton(0)) { x=Input.GetAxis("Mouse X") *xSpeed; y=Input.GetAxis("Mouse Y") *ySpeed; transform.Rotate(Vector3.up * -x *Time.deltaTime,Space.World); transform.Rotate(Vector3.right * y *Time.deltaTime,Space.World); } else if(Input.GetAxis("Mouse ScrollWheel")!=0) { float ga = Input.GetAxis("Mouse ScrollWheel"); if(transform.position.z > minDistence && transform.position.z<maxDistence||transform.position.z<=minDistence && ga<0||transform.position.z>=maxDistence && ga>0) { transform.Translate(Vector3.forward*-ga*zSpeed*Time.deltaTime,Space.World); } } } } 免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
