Unity3D（五）如何实现U3D中的鼠标控制与键盘交互功能？

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C#控制WASD键盘控制前后左右+空格键抬升高度、鼠标右键跟随旋转、滑轮控制放大缩小：

using UnityEngine; using System.Collections; public class CameraControl : MonoBehaviour { // Use this for initialization private GameObject gameObject; /** * 鼠标 */ public bool mouseControlEvent = false;//判断奇数偶数单(右)击 //模型跟随鼠标旋转改变的坐标 public float h; public float v; void Start () { gameObject = GameObject.Find ("Main Camera"); } // Update is called once per frame void Update () { //空格键抬升高度 if (Input.GetKey (KeyCode.Space)) { transform.position = new Vector3(transform.position.x,transform.position.y + 1,transform.position.z); } //w键前进 if(Input.GetKey(KeyCode.W)) { this.gameObject.transform.Translate(new Vector3(0,0,50*Time.deltaTime)); } //s键后退 if(Input.GetKey(KeyCode.S)) { this.gameObject.transform.Translate(new Vector3(0,0,-50*Time.deltaTime)); } //a键后退 if(Input.GetKey(KeyCode.A)) { this.gameObject.transform.Translate(new Vector3(-10,0,0*Time.deltaTime)); } //d键后退 if(Input.GetKey(KeyCode.D)) { this.gameObject.transform.Translate(new Vector3(10,0,0*Time.deltaTime)); } /* * 鼠标按键操作 */ //右键第一次按下为开启鼠标跟随旋转，第二次按下关闭鼠标跟随旋转 if (Input.GetMouseButtonDown(1)) { Debug.Log("鼠标右键按下"); if (!mouseControlEvent) { mouseControlEvent = true; } else { mouseControlEvent = false; } } //模型跟随鼠标旋转 if (mouseControlEvent) { h = Input.GetAxis("Mouse X"); v = Input.GetAxis("Mouse Y"); transform.Rotate(v,h,0); } /* * 通过鼠标滑轮控制放大缩小 */ //放大视角 往前滑 if (Input.GetAxis("Mouse ScrollWheel")<0) { Debug.Log("放大视角 往前滑"); if (Camera.main.fieldOfView <= 100)//小于一个放大范围后就不继续放大了 { Camera.main.fieldOfView += 5; } } //缩小视角 往后滑 if (Input.GetAxis("Mouse ScrollWheel") > 0) { Debug.Log("缩小视角 往后滑"); if (Camera.main.fieldOfView >= 10) { Camera.main.fieldOfView -= 5; } } }

参考文章：blog.csdn.net/lisenyang/article/details/48462803