VREX_WIN_client.cs

// VREX_WIN Client
// 1. 변수선언
private IntPtr client;

// x,y coord;
static float x_coord;
static float y_coord;

// UI Text Content
private static String logContent = "";


// 2. DLL 함수 선언
[DllImport("VREX_WIN", EntryPoint = "CreateClient", CharSet = CharSet.Unicode)]
static extern IntPtr CreateClient();
[DllImport("VREX_WIN", EntryPoint = "RegCallback", CharSet = CharSet.Unicode)]
static extern void setCallback(IntPtr client, Callback callback);
[DllImport("VREX_WIN", EntryPoint = "Start", CharSet = CharSet.Unicode)]
static extern void startEyetrack(IntPtr client);



// 3. callback delegate 선언
delegate void Callback(float a, float b);

// 4. 콜백함수 static으로 선언
static void gazePoint(float x, float y)
{
    x_coord = x + 216; // 변환식
    y_coord = 1200 - y + 240; // 변환식
    logContent = "raw=" + x + "," + y + ", transed=" + x_coord + "," + y_coord;
}

// Use this for initialization
private void Awake()
{
    // 5. 콜백함수 생성
    Callback callback = new Callback(gazePoint);
    // 6. 클라이언트 생성
    client = CreateClient();
    // 7. 콜백 등록
    setCallback(client,callback);
    // 8. 시작
    startEyetrack(client);
}