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：
代码语言：javascript复制/*
* 提示：该行代码过长，系统自动注释不进行高亮。一键复制会移除系统注释
* 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：
代码语言：javascript复制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 initialization void Start () { doorl = GameObject.Find("doorL");//左门 } // Update is called once per frame void 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：
