Unity3D开发(五)

漫游摄像机

漫游相机

FreeCamera.cs

using UnityEngine;
using System.Collections;

public class FreeCamera : MonoBehaviour
{
    private Vector3 rota;
    public float x_speed = 50f;
    public float y_speed = 50f;
    public float m_speed = 10f;
    public float f_speed = 10f;
    public float h_speed = 1f;
    public float groundDis = 5f;
    public float skyDis = 50f;
    public Camera camera;
    // Use this for initialization  
    void Start()
    {
        rota = camera.transform.eulerAngles;
    }

    // Update is called once per frame  
    void Update()
    {
        //鼠标右键  
        if (Input.GetMouseButton(1))
        {
            rota.y += Input.GetAxis("Mouse X") * x_speed;
            rota.x -= Input.GetAxis("Mouse Y") * y_speed;
            Quaternion q = Quaternion.Euler(rota);
            camera.transform.rotation = q;
        }
        //滚轮滑动  
        float middle = Input.GetAxis("Mouse ScrollWheel");

        camera.transform.position += -Vector3.up * middle * m_speed + (Vector3.forward * middle * f_speed);

        //空格  
        if (Input.GetKey(KeyCode.Space))
        {
            middle = -0.01f;
            camera.transform.position += -Vector3.up * middle * m_speed + (Vector3.forward * middle * f_speed);
        }

        //WASD  
        float h = Input.GetAxis("Horizontal");
        float v = Input.GetAxis("Vertical");
        camera.transform.position += camera.transform.right * h * h_speed;
        camera.transform.position += camera.transform.forward * v*0.2f;
        clamp();

    }

    private void clamp()
    {
        Vector3 upUp;
        upUp = camera.transform.position;
        upUp.y = Mathf.Clamp(upUp.y, groundDis, skyDis);
        camera.transform.position = upUp;
    }
}

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