[Unity3d]虚拟3D汽车展示项目

今天完善成了虚拟3D汽车展示项目的部分功能，虽然用的汽车模型有点粗糙，但感觉还不错，下面我就贴下源码供初学者学习！

项目展示地址：http://114.92.242.208/aspnet_client/system_web/carshow/dxw2.html，说明：浏览器必须要安装unityplayer插件。

项目操作说明：

1.鼠标左击可以点击左右车门，控制它的开关，还可以点击前后盖控制打开和关闭。

2.鼠标滚轮可以缩放，达到一个远近的效果。

3.按住键盘s键可以显示menu，h键可以隐藏menu菜单。

源码：

using UnityEngine;using System.Collections;public class NewBehaviourScript : MonoBehaviour{    public GameObject cube;    public GameObject car;    public GameObject light;    Vector2 p1, p2;//用来记录鼠标的位置，以便计算旋转幅度    Vector3 originalPosition;    float target = 0;    public Texture2D redbtnTexture;    private bool bOpenMenu = false; //是否打开功能框    private Rect myWindow = new Rect(10, 10, 470, 300); //功能选项框架    public GUISkin customSkin;//自定义皮肤    private Rect closeButton = new Rect(415, 0, 26, 22);//关闭按钮    public Texture2D tHero;    private Rect rHero = new Rect(0, 40, 180, 230); //人物的位置    //图像框    private Rect stateBox = new Rect(157,50,280,210);    private string[] functionStr ; //功能选项数组    public Texture2D redBtn;    public Texture2D greenBtn;    public Texture2D blueBtn;    public Texture2D orangeBtn;    public Texture2D whiteBtn;    public Texture2D blackBtn;    private Texture2D[] iBtn;    //iBtn= new Texture2D[6]{redBtn,greenBtn,blueBtn,orangeBtn,whiteBtn,blackBtn};    private Rect[] pBtn = new Rect[6];    //车轮更换    private bool selectToggleWheel = false;    //雨刷器    private bool selectToogleWiper = false;    //转向灯    private bool selectToogleLeftTurningLight = false;    private bool selectToogleRightTurningLight = false;    //前照灯    private bool selectToogleFarLight = false;    private bool selectToogleNearLight = false;    private GUIContent[] guiCon = new GUIContent[4]; //接受字符串    public Rect[] strPosition = new Rect[4];    // 鼠标中间键    int MouseWheelSensitivity = 5;    int MouseZoomMin = 18;    int MouseZoomMax = 90;    float normalDistance = 32;    public GameObject doorL;    // Use this for initialization    void Start()    {        iBtn= new Texture2D[6]{redBtn,greenBtn,blueBtn,orangeBtn,whiteBtn,blackBtn};        originalPosition = transform.position;        doorL = GameObject.Find("doorL");        cube = GameObject.Find("Main Camera");        for (int i=0;i<6;i++)        {            pBtn[i] =  new Rect(170+i*43, 65,40,30);        }        functionStr= new string[4]{"车轮更换","雨刷器","转向灯","前照灯"};        for (int i = 0; i < 4; i++)        {            guiCon[i] = new GUIContent(functionStr[i]);        }        strPosition[0] = new Rect();    }    // Update is called once per frame    void Update()    {        //如果为s键则打开弹出框        if (Input.GetKey(KeyCode.S))        {            bOpenMenu = true;        }        else if (Input.GetKey(KeyCode.H))        {            bOpenMenu = false;        }        //开门        //if (target < 20)        //{        //    doorL.transform.Rotate(transform.forward, 2);        //    target = target + 1;        //}                //旋转        if (Input.GetMouseButtonDown(0))        {            p1 = new Vector2(Input.mousePosition.x, Input.mousePosition.y);//鼠标右键按下时记录鼠标位置p1        }        if (Input.GetMouseButton(0))        {            p2 = new Vector2(Input.mousePosition.x, Input.mousePosition.y);//鼠标右键拖动时记录鼠标位置p2            //下面开始旋转，仅在水平方向上进行旋转            float dx = p2.x - p1.x;            float dy = (float)0.1*(p2.y - p1.y);            transform.RotateAround(car.transform.position, Vector3.up, dx * Time.deltaTime);            //鼠标上下移动            //transform.Translate(dy*Vector3.up * Time.deltaTime);            light.transform.RotateAround(car.transform.position, Vector3.up, dx*Time.deltaTime);        }        //鼠标滚轮控制场景大小        // 如果按住滑轮        if (Input.GetAxis("Mouse ScrollWheel") > 0)        {            Debug.Log(1);            Debug.Log(Input.GetAxis("Mouse ScrollWheel"));                       if (normalDistance >= MouseZoomMin && normalDistance <= MouseZoomMax)            {                normalDistance -= Input.GetAxis("Mouse ScrollWheel") * MouseWheelSensitivity;            }            if (normalDistance < MouseZoomMin)            {                normalDistance = MouseZoomMin;            }            if (normalDistance > MouseZoomMax)            {                normalDistance = MouseZoomMax;            }           // transform.Translate(transform.forward * normalDistance);            transform.camera.fieldOfView = normalDistance;                    }        //后滚        else if (Input.GetAxis("Mouse ScrollWheel") < 0)        {            Debug.Log(-1);            if (normalDistance >= MouseZoomMin && normalDistance <= MouseZoomMax)            {                normalDistance -= Input.GetAxis("Mouse ScrollWheel") * MouseWheelSensitivity;            }            if (normalDistance < MouseZoomMin)            {                normalDistance = MouseZoomMin;            }            if (normalDistance > MouseZoomMax)            {                normalDistance = MouseZoomMax;            }           // transform.Translate(-transform.forward * normalDistance);            transform.camera.fieldOfView = normalDistance;        }                //按返回键退出程序            //if (Input.GetKey(KeyCode.Escape))        //{        //    print(1);        //    Application.Quit();        //}      }    void OnGUI()    {        GUI.skin = customSkin;//赋值个性化皮肤        //弹出功能选项框        if (bOpenMenu)        {            myWindow = GUI.Window(0, myWindow, DoMyWindow, "");            //限制移动的横纵向坐标            //myWindow.x = Mathf.Clamp((float)myWindow.x,(float)0.0,(float)Screen.width-myWindow.width);            //myWindow.y = Mathf.Clamp((float)myWindow.y, (float)0.0, (float)Screen.height - myWindow.height);        }string s = "作者：丁小未";            GUIStyle bb = new GUIStyle();            bb.normal.background = null;//设置背景            bb.normal.textColor = new Color(1,0,0);//设置颜色            bb.fontSize = 40;            GUI.Label(new Rect(40, 20, 100, 50), s, bb);    }    private bool flagLight1 = false; //方向灯    private bool flagLight2 = false; //远近灯        void DoMyWindow(int windowsId)    {        GUI.BeginGroup(new Rect(10, 10, 500, 400));        GUI.Box(stateBox, "");//////        //点击关闭按钮        if (GUI.Button(closeButton,"",GUI.skin.GetStyle("ExitButton")))        {            bOpenMenu = false;        }       // GUI.DragWindow();        GUI.DrawTexture(rHero, tHero);        for (int i = 0; i < 6;i++ )        {            GUI.DrawTexture(pBtn[i], iBtn[i]);        }        //写文字        //GUI.Label(new Rect(170, 100, functionStr[0].Length, 20),guiCon[0],"TextItem");        for (int i = 0; i < 4; i++)        {            GUI.Label(new Rect(174,108+i*38,functionStr[i].Length,20),guiCon[i],"TextItem");        }        //车轮更换        //绿色开状态        if (selectToggleWheel)        {            //加选择框            selectToggleWheel = GUI.Toggle(new Rect(255, 110, 15, 15), selectToggleWheel, "", "TrueCheckItem");        }        //红色关闭状态        else        {            selectToggleWheel = GUI.Toggle(new Rect(255, 110, 15, 15), selectToggleWheel, "", "FalseCheckItem");        }        //雨刷器        if (selectToogleWiper)        {            //加选择框            selectToogleWiper = GUI.Toggle(new Rect(255, 148, 15, 15), selectToogleWiper, "", "TrueCheckItem");        }        //红色关闭状态        else        {            selectToogleWiper = GUI.Toggle(new Rect(255, 148, 15, 15), selectToogleWiper, "", "FalseCheckItem");        }        //转向灯        //左转        if (selectToogleLeftTurningLight)        {            if (flagLight1&&selectToogleRightTurningLight) //右边打开            {                selectToogleRightTurningLight = false; //关闭右边            }            //加选择框            selectToogleLeftTurningLight = GUI.Toggle(new Rect(255, 186, 15, 15), selectToogleLeftTurningLight, "", "TrueCheckItem");            flagLight1 = true;        }        //红色关闭状态        else        {            selectToogleLeftTurningLight = GUI.Toggle(new Rect(255, 186, 15, 15), selectToogleLeftTurningLight, "", "FalseCheckItem");            flagLight1 = false;        }        //右转        if (selectToogleRightTurningLight)        {            if (flagLight1 && selectToogleLeftTurningLight) //左边打开            {                selectToogleLeftTurningLight = false; //关闭右边            }            //加选择框            selectToogleRightTurningLight = GUI.Toggle(new Rect(285, 186, 15, 15), selectToogleRightTurningLight, "", "TrueCheckItem");            flagLight1 = true;        }        //红色关闭状态        else        {            selectToogleRightTurningLight = GUI.Toggle(new Rect(285, 186, 15, 15), selectToogleRightTurningLight, "", "FalseCheckItem");            flagLight1 = false;        }        //前照灯        //近        if (selectToogleNearLight)        {            if (flagLight2 && selectToogleFarLight) //远灯打开            {                selectToogleFarLight = false; //关闭远灯            }            //加选择框            selectToogleNearLight = GUI.Toggle(new Rect(255, 224, 15, 15), selectToogleNearLight, "", "TrueCheckItem");            flagLight2 = true;        }        //红色关闭状态        else        {            selectToogleNearLight = GUI.Toggle(new Rect(255, 224, 15, 15), selectToogleNearLight, "", "FalseCheckItem");            flagLight2 = false;        }        //远        if (selectToogleFarLight)        {            if (flagLight2 && selectToogleNearLight) //近灯打开            {                selectToogleNearLight = false;            }            //加选择框            selectToogleFarLight = GUI.Toggle(new Rect(285, 224, 15, 15), selectToogleFarLight, "", "TrueCheckItem");            flagLight2 = true;        }        //红色关闭状态        else        {            selectToogleFarLight = GUI.Toggle(new Rect(285, 224, 15, 15), selectToogleFarLight, "", "FalseCheckItem");            flagLight2 = false;        }        GUI.EndGroup();    }}

门盖控制：

private bool isOpenDoor = false;private bool openDoor = false;private bool closeDoor = false;private int target = 0;int flag = 0;Ray ray;RaycastHit hitobj;private GameObject doorl; //左门// Use this for initializationvoid Start () {        doorl = GameObject.Find("doorL");//左门}// Update is called once per framevoid Update () {        //画出射线        ray = Camera.main.ScreenPointToRay(Input.mousePosition);    if (Input.GetMouseButtonDown(0))    {            //鼠标点击车门            if (Physics.Raycast(ray,out hitobj,1000))            {                print("ddd");                Debug.DrawLine(ray.origin, hitobj.point);//左车门                if (hitobj.collider.name == "doorL")                {                    print("111");                    if (flag == 0)                    {                        openDoor = true;                        closeDoor = false;                    }                    else                    {                        closeDoor = true;                        openDoor = false;                    }                    flag++;                    flag %= 2;                }}//开左门    if (openDoor)    {            //开门            if (target < 40 && !isOpenDoor)            {                doorl.transform.Rotate(Vector3.forward, 1);                target = target + 1;            }            else            {                isOpenDoor = true;            }    }    if(closeDoor)        {            //关门            if (isOpenDoor && target > 0)            {                doorl.transform.Rotate(-Vector3.forward, 1);                target -= 1;            }            else            {                isOpenDoor = false;            }        }}

效果图：

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