Unity-3D增强现实开发-第13章-实践案例课件

1、第13章 实践案例知识目标能力目标任务引入Saturday, July 23, 20221知识目标使用Unity3D来创建一个完整的应用Saturday, July 23, 20222能力目标使用 Unity 3D 来创建一个完整的应用Saturday, July 23, 20223任务引入使用 Unity 3D 来创建一个完整的AR应用。Saturday, July 23, 2022413.1 准备工作 注册扫描的图片和License Key；单击 “Download Database”下载注册好的识别图；单击 Create Project 创建工程。图 13- 1 图片识别度Saturda

2、y, July 23, 20225导入识别图、模型和 Vuforia SDK图 13- 2 导入图片Saturday, July 23, 2022613.2 导入素材 单击 AR Camera，在Inspector 面板中的 Vuforia Behavior 脚本中找到 App License Key。图 13- 3 App License KeySaturday, July 23, 20227将License Key粘贴到 App License Key 的空白处图 13- 4 License KSaturday, July 23, 20228将 Database 和 Image Targe

3、t 属性分别设置成创建的 Database 和识别图片；使模型成为 Image Target 的子物体，并适当调整模型的大小、位置和角度。图 13- 5 设置完成图 13-6 设置为子物体Saturday, July 23, 20229测试效果Saturday, July 23, 20221013.3 添加动画 图 13- 8 预览窗口Saturday, July 23, 202211状态连接Saturday, July 23, 202212添加Animator 组件图 13- 10 Animator 组件设置Saturday, July 23, 202213编写用来控制动画播放的脚本图 13

4、- 11 Det 的设置提示：代码较长，在PPT结尾处给出。Saturday, July 23, 20221413.4 添加声音 图 13- 12 添加代码Saturday, July 23, 20221513.5 添加特效和背景 添加一个出场特效 图 13-13 预制体图 13-14 设置Saturday, July 23, 202216新建一个Particle 的脚本，在脚本的 Update 函数中加入代码。其中 ps 是 ParticleSystem 类型的变量，ff 为 Found_fish 类型的变量，然后将该脚本赋给预制体，测试效果如图 13-16 所示。图 13-16 效果图 1

5、3- 15 代码Saturday, July 23, 202217添加背景图片图 13- 18 背景图 13- 17 材质球设置Saturday, July 23, 20221813.6 添加交互功能 创建一个名为 Move 的脚本来实现游动图 13- 19 Plane Saturday, July 23, 20221913.7 添加脱卡功能 图 13- 20 剩余组件图 13- 21设置子物体Saturday, July 23, 202220变量设置Saturday, July 23, 20222113.8 打包下载 详细打包过程请参阅第 12 章相关内容。Saturday, July 23

6、, 202222Found_fish 脚本代码：using UnityEngine;using Vuforia;public class Found_fish : MonoBehaviour,ITrackableEventHandlerprivate TrackableBehaviour mTrackableBehaviour;public bool TargetFound=false;void Start()mTrackableBehaviour = GetComponent();if (mTrackableBehaviour)mTrackableBehaviour.RegisterTrac

7、kableEventHandler(this);Saturday, July 23, 202223public void OnTrackableStateChanged(TrackableBehaviour.Status previousStatus,TrackableBehaviour.Status newStatus)if (newStatus = TrackableBehaviour.Status.DETECTED |newStatus = TrackableBehaviour.Status.TRACKED |newStatus = TrackableBehaviour.Status.E

8、XTENDED_TRACKED)OnTrackingFound();TargetFound = true; elseOnTrackingLost();TargetFound = false;Saturday, July 23, 202224private void OnTrackingFound()Renderer rendererComponents = GetComponentsInChildren(true);Collider colliderComponents = GetComponentsInChildren(true);foreach (Renderer component in

9、 rendererComponents)component.enabled = true;foreach (Collider component in colliderComponents)component.enabled = true;Debug.Log(Trackable + mTrackableBehaviour.TrackableName + found);Saturday, July 23, 202225private void OnTrackingLost()Renderer rendererComponents = GetComponentsInChildren(true);C

10、ollider colliderComponents = GetComponentsInChildren(true);foreach (Renderer component in rendererComponents)component.enabled = false;foreach (Collider component in colliderComponents)component.enabled = false;Debug.Log(Trackable + mTrackableBehaviour.TrackableName + lost);Saturday, July 23, 202226ModelController 脚本代码：Animator ani;public Found_fish dte = new Fo