本文介绍了在UNITY3D中调用WISEGLOVE数据手套的方法。 通过该方法可以读取手套的传感器角度值和传感器原始值,可以根据需求执行进一步应用。本程序调用了WISEGLOVE SDK, 并对SDK的主要函数作了调用声明。
在UNITY3D中使用WISEGLOVE虚拟现实数据手套可分为三步:
1. 在Start ()中 初始化手套
2. 在Updata()中循环读取传感器数据(数值或者角度)
3. 关闭手套调用端口
// 声明:本范例程序适合WiseGlove数据手套,如需了解WiseGlove数据手套,请访问www.wiseglove.com// 北京鑫天视景科技有限公司编制// 2014/6/20using UnityEngine;using System.Collections;using System.Runtime.InteropServices;using System.Threading;
public class WiseGloveData_sample : MonoBehaviour {//声明数据手套调用函数// bool wgInit(); 自动初始化数据手套函数[DllImport("WiseGloveU3D",EntryPoint = "wgInit")]extern static int wgInit();//bool wgInitManu(int comport); 指定端口的初始化函数[DllImport("WiseGloveU3D",EntryPoint = "wgInitManu")]extern static int wgInitManu(int comport);//int wgGetGetNumOfSensor(); 获取手套的传感器的数量[DllImport("WiseGloveU3D",EntryPoint = "wgGetGetNumOfSensor")]extern static int wgGetGetNumOfSensor();//void wgClose(); //关闭手套调用端口[DllImport("WiseGloveU3D",EntryPoint = "wgClose")]extern static int wgClose();//bool wgGetData(unsigned short *data); //读取手套传感器值,该值在数组里按照sensor0, sensor1,..., sensor(n)的方式排列[DllImport("WiseGloveU3D",EntryPoint = "wgGetData")]extern static void wgGetData([MarshalAs(UnmanagedType.LPArray,SizeParamIndex=1)]int[] retData);//bool wgGetScaledData(unsigned short *data);//读取手套传感器归一化值,该值在数组里按照sensor0, sensor1,..., sensor(n)的方式排列[DllImport("WiseGloveU3D",EntryPoint = "wgGetScaledData")]extern static void wgGetScaledData([MarshalAs(UnmanagedType.LPArray,SizeParamIndex=1)]int[] retData);//bool wgGetAngle(float *data); //读取手套传感器角度值,该值在数组里按照sensor0, sensor1,..., sensor(n)的方式排列[DllImport("WiseGloveU3D",EntryPoint = "wgGetAngle")]extern static void wgGetAngle([MarshalAs(UnmanagedType.LPArray,SizeParamIndex=1)]float[] retAngle);//int wgLoadCalib(char *filename);//加载标定数据, 如果需要人工干预标定的情况下[DllImport("WiseGloveU3D",EntryPoint = "wgLoadCalib")]extern static void wgLoadCalib([MarshalAs(UnmanagedType.LPArray,SizeParamIndex=1)]char[] filename);//int wgSaveCalib(char *filename);//保存标定数据[DllImport("WiseGloveU3D",EntryPoint = "wgSaveCalib")]extern static void wgSaveCalib([MarshalAs(UnmanagedType.LPArray,SizeParamIndex=1)]char[] filename);//void wgSetCalibMode(int mode); 设置标定模式是自动还是人工干预[DllImport("WiseGloveU3D",EntryPoint = "wgSetCalibMode")]extern static int wgSetCalibMode(int mode);//void wgSetCalib(int index, unsigned short min, unsigned short max,float angle); 为指定传感器设置标定值[DllImport("WiseGloveU3D",EntryPoint = "wgSetCalib")]extern static int wgSetCalib(int index, ushort min, ushort max, float angle);//void wgSetMin_adj(int index, float min_adj); //为指定传感器指定逻辑最小值[DllImport("WiseGloveU3D",EntryPoint = "wgSetMin_adj")]extern static int wgSetMin_adj(int index, float min_adj);//void wgSetMax_adj(int index, float max_adj);//为指定传感器指定逻辑最大值[DllImport("WiseGloveU3D",EntryPoint = "wgSetMax_adj")]extern static int wgSetMax_adj(int index, float max_adj);//void wgResetCalib(); 复位标定数据[DllImport("WiseGloveU3D",EntryPoint = "wgResetCalib")]extern static int wgResetCalib();//声明外部变量,以便把手套角度和模型绑定public Transform Thumb = null; //大拇指public Transform Index = null; //食指public Transform Middle = null; //中指public Transform Ring = null; //无名指public Transform Little = null; //小指float[] ret_angle;int openstate;void Start (){openstate=wgInit(); //自动扫描系统中的手套 并且初始化//openstate=wgInitManu(comport); //确定手套端口的情况下,可以使用本函数指定端口,可以提高初始化效率ret_angle=new float[14]; //存储传感器角度值,当然5传感器手套,只取数组前5个值即可,适合5 14 15 18 19传感器手套Debug.Log("open state:"+ openstate.ToString());}
void Update () {if (openstate == 1) {//读取手套角度值wgGetAngle (ret_angle); //获取角度值,保存到ret_angle数组里//在三维模型中 让物体均绕X轴旋转Thumb.localRotation = Quaternion.Euler (ret_angle [0], 0, 0);Index.localRotation = Quaternion.Euler (ret_angle [1], 0, 0);Middle.localRotation = Quaternion.Euler (ret_angle [2], 0, 0);Ring.localRotation = Quaternion.Euler (ret_angle [3], 0, 0);Little.localRotation = Quaternion.Euler (ret_angle [4], 0, 0);}//按下R键,开始重新标定if (Input.GetKey (KeyCode.R)) {wgResetCalib();}//如果前面标定好了, 按下C键则禁止自动标定,保持前面标定好的结果if (Input.GetKey (KeyCode.C)) {wgSetCalibMode(1); //禁止自动标定 //0 - 自动标定}if (Input.GetKey (KeyCode.Q)) {Application.Quit(); //禁止自动标定 //0 - 自动标定}}//显示各传感器的当前角度值void OnGUI(){string s;int offset = 20;s = "WiseGlove demo for Unity3D, please visit www.wiseglove.com for more!";GUI.Label(new Rect(200,offset,700,30+offset), s);offset += 30;s = "Press 'R' to recalib 'C' to manu calib, and 'Q' to exit program";GUI.Label(new Rect(20,offset,500,30+offset), s);offset += 30;for (int i = 0; i < 5; i++){int temp = (int)ret_angle[i];s = "Sensor " + i.ToString() + " angle = " + temp.ToString();GUI.Label(new Rect(10,offset,400,20+offset), s);offset += 20;}int ges = CheckGloveStatus ();s = "Gesture:" + ges.ToString();GUI.Label(new Rect(10,offset,400,20+offset), s);}void OnDestroy () {
if (openstate == 1) { //关闭手套调用端口wgClose ();Debug.Log ("Glove is closed!");}elseDebug.Log ("Glove is NOT closed!");}//获取数据手套当前的手势,例如:0x1f-石头 0x17-剪子, 0x00-布, 0x1c-OKint CheckGloveStatus(){int gesture = 0; //0x1f; // b1 1111//大拇指第0位,。。。小指第4位if (ret_angle [0] > 150 / 2)gesture += 0x01; //if (ret_angle [1] > 270 / 2)gesture += 0x02; //if (ret_angle [2] > 270 / 2)gesture += 0x04; //if (ret_angle [3] > 270 / 2)gesture += 0x08; //if (ret_angle [4] > 270 / 2)gesture += 0x10; //return gesture;}}