void OnVREvent(VREvent e)
{
// only respond to tracker move events
if ((e.ContainsStringField("EventType")) &&
(e.GetStringData("EventType") == "TrackerMove"))
{
string trackerName = e.Name.Remove(e.Name.IndexOf("_Move"), 5);
if (!trackersToIgnore.Contains(trackerName))
{
float[] data = e.GetFloatArrayData("Transform");
Matrix4x4 m = VRConvert.ToMatrix4x4(data);
Vector3 pos = m.GetTranslation();
Quaternion rot = m.GetRotation();
if (!cursors.ContainsKey(trackerName))
{
GameObject newCursorObj = Instantiate(cursorPrefab);
TextMesh label = newCursorObj.GetComponentInChildren <TextMesh>();
if (label != null)
{
label.text = trackerName;
}
cursors[trackerName] = newCursorObj;
}
GameObject cursorObj = cursors[trackerName];
cursorObj.transform.position = pos;
cursorObj.transform.rotation = rot;
}
}
}
// Update is called once per frame
void Update()
{
if (threadingMode == ThreadingMode.SINGLE_THREADED)
{
// update the trackers only once per frame
if (lastTrackerUpdateFrame != Time.frameCount)
{
UpdateTrackers();
lastTrackerUpdateFrame = Time.frameCount;
}
trackerData = (TrackerData)Marshal.PtrToStructure(trackerDataPointer, typeof(TrackerData));
}
else
{
// update the trackers only once per frame
if (lastTrackerUpdateFrame != Time.frameCount)
{
UpdateTrackersMultiThreaded();
lastTrackerUpdateFrame = Time.frameCount;
}
LockTrackerData(trackerDataPointer);
trackerData = (TrackerData)Marshal.PtrToStructure(trackerDataPointer, typeof(TrackerData));
UnlockTrackerData(trackerDataPointer);
}
Vector3 transformPosition = transform.position;
Quaternion transformRotation = transform.rotation;
this.updateTransformFromTrackerData(ref transformPosition, ref transformRotation);
// if a custom origin has been specified
// then update the transform coordinate space
if (origin != null)
{
if (trackingMode != TrackingMode.POSITION_ONLY)
transformRotation = origin.rotation * transformRotation;
else
transformRotation = origin.rotation;
if (trackingMode != TrackingMode.ORIENTATION_ONLY)
transformPosition = origin.position + origin.rotation * transformPosition;
else
transformPosition = origin.position;
}
Matrix4x4 m3 = Matrix4x4.TRS(transformPosition, transformRotation, Vector3.one);
float[] d3 = VRConvert.ToFloatArray(m3);
VREvent e = new VREvent(eventName);
e.AddData("EventType", "TrackerMove");
e.AddData("Transform", d3);
pendingEvents.Add(e);
if (applyUpdatesToGameObject)
{
transform.position = transformPosition;
transform.rotation = transformRotation;
}
}
private void AddHeadTrackerEvent(ref List <VREvent> eventList)
{
if (Input.GetKey("up"))
{
headTrackerPos += 0.1f * Camera.main.transform.forward;
}
else if (Input.GetKey("down"))
{
headTrackerPos -= 0.1f * Camera.main.transform.forward;
}
else if (Input.GetKey("left"))
{
headTrackerRot *= Quaternion.AngleAxis(-1.0f, new Vector3(0f, 1f, 0f));
}
else if (Input.GetKey("right"))
{
headTrackerRot *= Quaternion.AngleAxis(1.0f, new Vector3(0f, 1f, 0f));
}
Matrix4x4 m3 = Matrix4x4.TRS(headTrackerPos, headTrackerRot, Vector3.one);
float[] d3 = VRConvert.ToFloatArray(m3);
VREvent e = new VREvent(fakeHeadTrackerEvent);
e.AddData("EventType", "TrackerMove");
e.AddData("Transform", d3);
eventList.Add(e);
}
// Called whenever an ImageUpdate event is received via MinVR
void OnImageUpdate(MinVR.VREvent e)
{
// access the image data buffer from the event
float[] buffer = e.GetFloatArrayData("Buffer");
// copy data into an array of colors
int w = 100;
int h = 100;
Color[] colors = new Color[w * h];
int bindex = 0;
int cindex = 0;
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
colors[cindex] = new Color(buffer[bindex + 0], buffer[bindex + 1], buffer[bindex + 2], 1.0f);
cindex++;
bindex += 3;
}
}
tex.SetPixels(colors);
tex.Apply();
// connect texture to material of GameObject this script is attached to
GetComponent <Renderer>().material.mainTexture = tex;
}
void OnVREvent(VREvent e)
{
if (e.Name == headTrackingEvent) {
Matrix4x4 m = VRConvert.ToMatrix4x4(e.DataIndex.GetValueAsDoubleArray(matrix4x4DataField));
transform.position = m.GetTranslation();
transform.rotation = m.GetRotation();
//Debug.Log("Head Position = " + m.GetTranslation().ToString());
//Debug.Log("Head Rotation = " + m.GetRotation().ToString());
Vector3 offsetInLocalCoords = new Vector3(0.0f, 0.0f, Camera.main.nearClipPlane + 0.001f);
Vector3 offsetInWorldCoords = transform.TransformVector(offsetInLocalCoords);
transform.position += offsetInWorldCoords;
}
}
void OnButtonDown()
{
buttonPressed = true;
if (selected == 0)
{
titleBoxObj.GetComponent <Renderer>().material.color = pressColor;
}
else if (selected > 0)
{
labelBoxes[selected - 1].GetComponent <Renderer>().material.color = pressColor;
string eName = eventsToGenerate[selected - 1];
MinVR.VREvent e = new MinVR.VREvent(eName);
e.AddData("EventType", "ButtonDown");
MinVR.VRMain.Instance.QueueEvent(e);
}
}
private void AddHeadTrackerEvent(ref List <VREvent> eventList)
{
// if (Input.GetKey(KeyCode.LeftShift))
// {
// if (Input.GetKey(KeyCode.DownArrow))
// {
// headTrackerRot *= Quaternion.AngleAxis(-1.0f, new Vector3(1f, 0f, 0f));
// }
// else if (Input.GetKey(KeyCode.UpArrow))
// {
// headTrackerRot *= Quaternion.AngleAxis(1.0f, new Vector3(1f, 0f, 0f));
// }
// }
// else
if (Input.GetKey(KeyCode.UpArrow))
{
headTrackerPos += 0.1f * Camera.main.transform.forward;
}
else if (Input.GetKey(KeyCode.DownArrow))
{
headTrackerPos -= 0.1f * Camera.main.transform.forward;
}
else if (Input.GetKey(KeyCode.LeftArrow))
{
headTrackerRot *= Quaternion.AngleAxis(-1.0f, new Vector3(0f, 1f, 0f));
}
else if (Input.GetKey(KeyCode.RightArrow))
{
headTrackerRot *= Quaternion.AngleAxis(1.0f, new Vector3(0f, 1f, 0f));
}
headTrackerRot.Normalize();
Matrix4x4 m3 = Matrix4x4.TRS(headTrackerPos, headTrackerRot, Vector3.one);
float[] d3 = VRConvert.ToFloatArray(m3);
VREvent e = new VREvent(fakeHeadTrackerEvent);
e.AddData("EventType", "TrackerMove");
e.AddData("Transform", d3);
eventList.Add(e);
}
void WaitForAndReceiveInputEvents(ref List <VREvent> inputEvents)
{
// 1. receive 1-byte message header
WaitForAndReceiveMessageHeader(INPUT_EVENTS_MSG);
// 2. receive int that tells us the size of the data portion of the message in bytes
Int32 dataSize = ReadInt32();
// 3. receive dataSize bytes, then decode these as InputEvents
byte[] buf2 = new byte[dataSize + 1];
int status = ReceiveAll(ref buf2, dataSize);
if (status == -1)
{
Console.WriteLine("WaitForAndReceiveInputEvents error reading data");
return;
}
buf2[dataSize] = 0;
// buf2 is the XML string that contains all the events.
string xmlEventList = System.Text.Encoding.UTF8.GetString(buf2);
//Debug.Log(xmlEventList);
Dictionary <string, string> props = new Dictionary <string, string>();
string xmlEvents = string.Empty;
string leftover = string.Empty;
bool success = XMLUtils.GetXMLField(xmlEventList, "VREventList", ref props, ref xmlEvents, ref leftover);
if (!success)
{
Debug.Log("Error decoding VREventList");
return;
}
int nEvents = Convert.ToInt32(props["num"]);
for (int i = 0; i < nEvents; i++)
{
// Create the next VREvent from the XML description
VREvent e = new VREvent(ref xmlEvents);
inputEvents.Add(e);
}
}
private void ProcessCallbacks(VREvent e)
{
// These "unfiltered" callbacks are called for every event
for (int ucb = 0; ucb < genericCallbacksUnfiltered.Count; ucb++)
{
genericCallbacksUnfiltered[ucb].Invoke(e);
}
// These callbacks are passed the enitre event data structure, which can really contain anything.
if (genericCallbacks.ContainsKey(e.Name))
{
for (int cb = 0; cb < genericCallbacks[e.Name].Count; cb++)
{
genericCallbacks[e.Name][cb].Invoke(e);
}
}
// For these callbacks, we know the type of data, so we pull it out of the dataindex here to
// make it a bit easier for the user.
if ((analogCallbacks.ContainsKey(e.Name)) &&
(e.ContainsStringField("EventType")) &&
(e.GetStringData("EventType") == "AnalogUpdate"))
{
for (int cb = 0; cb < analogCallbacks[e.Name].Count; cb++)
{
analogCallbacks[e.Name][cb].Invoke(e.GetFloatData("AnalogValue"));
}
}
if ((buttonDownCallbacks.ContainsKey(e.Name)) &&
(e.ContainsStringField("EventType")) &&
((e.GetStringData("EventType") == "ButtonDown") || (e.GetStringData("EventType") == "ButtonTouch")))
{
for (int cb = 0; cb < buttonDownCallbacks[e.Name].Count; cb++)
{
buttonDownCallbacks[e.Name][cb].Invoke();
}
}
if ((buttonUpCallbacks.ContainsKey(e.Name)) &&
(e.ContainsStringField("EventType")) &&
((e.GetStringData("EventType") == "ButtonUp") || (e.GetStringData("EventType") == "ButtonUntouch")))
{
for (int cb = 0; cb < buttonUpCallbacks[e.Name].Count; cb++)
{
buttonUpCallbacks[e.Name][cb].Invoke();
}
}
if ((cursorCallbacks.ContainsKey(e.Name)) &&
(e.ContainsStringField("EventType")) &&
(e.GetStringData("EventType") == "CursorMove"))
{
float[] pos = e.GetFloatArrayData("Position");
float[] npos = e.GetFloatArrayData("NormalizedPosition");
for (int cb = 0; cb < cursorCallbacks[e.Name].Count; cb++)
{
cursorCallbacks[e.Name][cb].Invoke(new Vector3(pos[0], pos[1], pos[2]), new Vector3(npos[0], npos[1], npos[2]));
}
}
if ((trackerCallbacks.ContainsKey(e.Name)) &&
(e.ContainsStringField("EventType")) &&
(e.GetStringData("EventType") == "TrackerMove"))
{
float[] data = e.GetFloatArrayData("Transform");
Matrix4x4 m = VRConvert.ToMatrix4x4(data);
Vector3 pos = m.GetTranslation();
Quaternion rot = m.GetRotation();
for (int cb = 0; cb < trackerCallbacks[e.Name].Count; cb++)
{
trackerCallbacks[e.Name][cb].Invoke(pos, rot);
}
}
}
public void AddUnityInputEvents(ref List <VREvent> eventList)
{
// Convery Unity Mouse Button events to VREvent ButtonUp/Down events
if (vrDevice.unityMouseBtnsToVREvents)
{
if (Input.GetMouseButtonDown(0))
{
VREvent e = new VREvent("MouseBtnLeft_Down");
e.AddData("EventType", "ButtonDown");
eventList.Add(e);
}
if (Input.GetMouseButtonDown(2))
{
VREvent e = new VREvent("MouseBtnMiddle_Down");
e.AddData("EventType", "ButtonDown");
eventList.Add(e);
}
if (Input.GetMouseButtonDown(1))
{
VREvent e = new VREvent("MouseBtnRight_Down");
e.AddData("EventType", "ButtonDown");
eventList.Add(e);
}
if (Input.GetMouseButtonUp(0))
{
VREvent e = new VREvent("MouseBtnLeft_Up");
e.AddData("EventType", "ButtonUp");
eventList.Add(e);
}
if (Input.GetMouseButtonUp(2))
{
VREvent e = new VREvent("MouseBtnMiddle_Up");
e.AddData("EventType", "ButtonUp");
eventList.Add(e);
}
if (Input.GetMouseButtonUp(1))
{
VREvent e = new VREvent("MouseBtnRight_Up");
e.AddData("EventType", "ButtonUp");
eventList.Add(e);
}
}
// Convert Unity mouse move events to VREvent Cursor events
if (vrDevice.unityMouseMovesToVREvents)
{
Vector3 pos = Input.mousePosition;
if (pos != lastMousePos)
{
Vector3 npos = new Vector3(pos[0] / Screen.width, pos[1] / Screen.height, 0.0f);
VREvent e = new VREvent("Mouse_Move");
e.AddData("EventType", "CursorMove");
e.AddData("Position", VRConvert.ToFloatArray(pos));
e.AddData("NormalizedPosition", VRConvert.ToFloatArray(npos));
eventList.Add(e);
lastMousePos = pos;
}
}
// Convert Unity key up/down events to VREvent ButtonUp/Down events
for (int i = 0; i < vrDevice.unityKeysToVREvents.Count; i++)
{
if (Input.GetKeyDown(vrDevice.unityKeysToVREvents[i]))
{
VREvent e = new VREvent("Kbd" + vrDevice.unityKeysToVREvents[i] + "_Down");
e.AddData("EventType", "ButtonDown");
eventList.Add(e);
}
if (Input.GetKeyDown(vrDevice.unityKeysToVREvents[i]))
{
VREvent e = new VREvent("Kbd" + vrDevice.unityKeysToVREvents[i] + "_Up");
e.AddData("EventType", "ButtonUp");
eventList.Add(e);
}
}
// Convert Unity Axis values to VREvent AnalogUpdate events
for (int i = 0; i < vrDevice.unityAxesToVREvents.Count; i++)
{
float current = Input.GetAxis(vrDevice.unityAxesToVREvents[i]);
bool update = false;
if (axesStates.ContainsKey(vrDevice.unityAxesToVREvents[i]))
{
float last = axesStates[vrDevice.unityAxesToVREvents[i]];
if (current != last)
{
axesStates[vrDevice.unityAxesToVREvents[i]] = current;
update = true;
}
}
else
{
axesStates.Add(vrDevice.unityAxesToVREvents[i], current);
update = true;
}
if (update)
{
VREvent e = new VREvent(vrDevice.unityAxesToVREvents[i] + "_Update");
e.AddData("EventType", "AnalogUpdate");
e.AddData("AnalogValue", current);
eventList.Add(e);
}
}
// TODO: Convert other Unity inputs as needed (touch, accelerometer, etc.)
}
// As an alternative to making your class a virtual input device that gets polled each frame for
// new events by implementing the "EventGenerator" interface, if you're class only occasionally
// generates a new event, you might prefer to just queue the event directly with VRMain by calling
// this function. The event will be processed the following frame.
public void QueueEvent(VREvent e)
{
_queuedEvents.Add(e);
}
// Update is called once per frame
void Update()
{
// update the trackers only once per frame
if (lastButtonUpdateFrame != Time.frameCount)
{
UpdateButtons();
lastButtonUpdateFrame = Time.frameCount;
}
buttonData = (ButtonData)Marshal.PtrToStructure(buttonDataPointer, typeof(ButtonData));
if (buttonData.state != lastButtonState)
{
lastButtonState = buttonData.state;
VREvent e = new VREvent(eventName);
if (buttonData.state == 0)
{
e.AddData("EventType", "ButtonUp");
}
else if (buttonData.state == 1)
{
e.AddData("EventType", "ButtonDown");
}
e.AddData("ButtonState", buttonData.state);
pendingEvents.Add(e);
}
if (applyUpdatesToGameObject)
{
if (buttonData.state > 0)
{
float speedThisFrame = speed * Time.deltaTime;
if (movementType == MovementType.TRANSLATE)
{
Vector3 position = transform.localPosition;
if (axis == Axis.X)
{
position.x += speedThisFrame;
}
else if (axis == Axis.Y)
{
position.y += speedThisFrame;
}
else if (axis == Axis.Z)
{
position.z += speedThisFrame;
}
else
{
position.x += speedThisFrame;
position.y += speedThisFrame;
position.z += speedThisFrame;
}
transform.localPosition = position;
}
else if (movementType == MovementType.ROTATE)
{
Quaternion newRotation = Quaternion.identity;
Vector3 newAngles = newRotation.eulerAngles;
if (axis == Axis.X)
{
newAngles.x += speedThisFrame;
}
else if (axis == Axis.Y)
{
newAngles.y += speedThisFrame;
}
else if (axis == Axis.Z)
{
newAngles.z += speedThisFrame;
}
else
{
newAngles.x += speedThisFrame;
newAngles.y += speedThisFrame;
newAngles.z += speedThisFrame;
}
if (newAngles.x > 360)
{
newAngles.x %= 360;
}
if (newAngles.y > 360)
{
newAngles.y %= 360;
}
if (newAngles.z > 360)
{
newAngles.z %= 360;
}
newRotation.eulerAngles = newAngles;
Quaternion rotation = transform.localRotation;
rotation = rotation * newRotation;
transform.localRotation = rotation;
}
else
{
Vector3 scale = transform.localScale;
if (axis == Axis.X)
{
scale.x += speedThisFrame;
}
else if (axis == Axis.Y)
{
scale.y += speedThisFrame;
}
else if (axis == Axis.Z)
{
scale.z += speedThisFrame;
}
else
{
scale.x += speedThisFrame;
scale.y += speedThisFrame;
scale.z += speedThisFrame;
}
transform.localScale = scale;
}
}
}
}
// This function gets called every time a new VREvent is generated. Typically, VREvents will come
// from the MinVR server, which polls trackers, buttons, and other input devices for input. When
// debugging on your laptop, you can also generate 'fake' VREvents using the VRMain script.
void OnVREvent(VREvent e)
{
if (e.Name == "Brush_Move") { // for faster user 2
Matrix4x4 m = VRConvert.ToMatrix4x4 (e.DataIndex.GetValueAsDoubleArray ("Transform"));
brushPos = m.GetTranslation ();
brushRot = m.GetRotation ();
brushCursor.transform.position = brushPos;
brushCursor.transform.rotation = brushRot;
} else if (e.Name == "Hand_Move") {
Matrix4x4 m = VRConvert.ToMatrix4x4 (e.DataIndex.GetValueAsDoubleArray ("Transform"));
handPos = m.GetTranslation ();
handRot = m.GetRotation ();
handCursor.transform.position = handPos;
handCursor.transform.rotation = handRot;
} else if (e.Name == "user_header_1" && user_id) { // for cave painting system user 1
Matrix4x4 m = VRConvert.ToMatrix4x4 (e.DataIndex.GetValueAsDoubleArray ("Transform"));
headPos = m.GetTranslation ();
headRot = m.GetRotation ();
headObj.transform.position = headPos;
headObj.transform.rotation = headRot;
} else if (e.Name == "user_header_2" && !user_id) { // for cave painting system user 2
Matrix4x4 m = VRConvert.ToMatrix4x4 (e.DataIndex.GetValueAsDoubleArray ("Transform"));
handPos = m.GetTranslation ();
handRot = m.GetRotation ();
headObj.transform.position = headPos;
headObj.transform.rotation = headRot;
} else if (e.Name == "Head_Move") {
Matrix4x4 m = VRConvert.ToMatrix4x4 (e.DataIndex.GetValueAsDoubleArray ("Transform"));
headPos = m.GetTranslation ();
handRot = m.GetRotation ();
} else if (e.Name == "Mouse_Down") { // TODO : useless for now
Debug.Log ("mouse down");
} else if (e.Name == "Mouse_Up") {
Debug.Log ("mouse up");
} else if (e.Name == "stylus1_btn0_down") { // user 2 start to draw
startDrawing = true;
Debug.Log ("Red User 2 drawing down");
} else if (e.Name == "stylus1_btn0_up") {
startDrawing = false;
Debug.Log ("Red User 2 drawing up");
} else if (e.Name == "stylus1_btn1_down") { // controll what user 2 see
// TODO : manipulate User 2 camera
Debug.Log ("Red User 2 control down");
} else if (e.Name == "stylus1_btn1_up") {
// TODO : .... I don't know for now
Debug.Log ("Red User 2 control up");
} else if (e.Name == "stylus1_btn1_down") { // user 1 start to draw
startDrawing = true;
Debug.Log ("Red User 1 control down");
} else if (e.Name == "stylus1_btn1_up") {
startDrawing = false;
Debug.Log ("Red User 1 control up");
} else if (e.Name == "stylus1_btn1_down") { // controll what user 1 see
// TODO : manipulate User 1 camera
Debug.Log ("Red User 1 control down");
} else if (e.Name == "stylus1_btn1_up") {
// TODO : .... I don't know for now
Debug.Log ("Red User 1 control up");
}
}
public static VREvent FromBinary(BinaryReader br)
{
string eName = br.ReadString();
VREvent e = new VREvent(eName);
int nByteFields = br.ReadInt32();
for (int i = 0; i < nByteFields; i++)
{
string fName = br.ReadString();
byte data = br.ReadByte();
e.AddData(fName, data);
}
int nByteArrayFields = br.ReadInt32();
for (int i = 0; i < nByteArrayFields; i++)
{
string fName = br.ReadString();
int nEntries = br.ReadInt32();
byte[] data = new byte[nEntries];
for (int j = 0; j < nEntries; j++)
{
data[j] = br.ReadByte();
}
e.AddData(fName, data);
}
int nIntFields = br.ReadInt32();
for (int i = 0; i < nIntFields; i++)
{
string fName = br.ReadString();
int data = br.ReadInt32();
e.AddData(fName, data);
}
int nIntArrayFields = br.ReadInt32();
for (int i = 0; i < nIntArrayFields; i++)
{
string fName = br.ReadString();
int nEntries = br.ReadInt32();
int[] data = new int[nEntries];
for (int j = 0; j < nEntries; j++)
{
data[j] = br.ReadInt32();
}
e.AddData(fName, data);
}
int nFloatFields = br.ReadInt32();
for (int i = 0; i < nFloatFields; i++)
{
string fName = br.ReadString();
float data = br.ReadSingle();
e.AddData(fName, data);
}
int nFloatArrayFields = br.ReadInt32();
for (int i = 0; i < nFloatArrayFields; i++)
{
string fName = br.ReadString();
int nEntries = br.ReadInt32();
float[] data = new float[nEntries];
for (int j = 0; j < nEntries; j++)
{
data[j] = br.ReadSingle();
}
e.AddData(fName, data);
}
int nStringFields = br.ReadInt32();
for (int i = 0; i < nStringFields; i++)
{
string fName = br.ReadString();
string data = br.ReadString();
e.AddData(fName, data);
}
int nStringArrayFields = br.ReadInt32();
for (int i = 0; i < nStringArrayFields; i++)
{
string fName = br.ReadString();
int nEntries = br.ReadInt32();
string[] data = new string[nEntries];
for (int j = 0; j < nEntries; j++)
{
data[j] = br.ReadString();
}
e.AddData(fName, data);
}
return(e);
}
public static void ReceiveEventData(ref TcpClient client, ref List <VREvent> inputEvents)
{
// Debug.Log("WaitForAndReceiveInputEvents");
// 1. receive 1-byte message header
ReceiveOneByteMessage(ref client, VRNet.INPUT_EVENTS_MSG);
// 2. receive event data
try {
int dataSize = ReadInt32(ref client);
byte[] bytes = new byte[dataSize];
int status = ReceiveAll(ref client, ref bytes, dataSize);
if (status == -1)
{
Console.WriteLine("ReceiveEventData error reading data");
return;
}
using (MemoryStream ms = new MemoryStream(bytes)) {
using (BinaryReader br = new BinaryReader(ms)) {
int nEvents = br.ReadInt32();
for (int i = 0; i < nEvents; i++)
{
inputEvents.Add(VREvent.FromBinary(br));
}
}
}
}
catch (Exception e) {
Debug.Log("Exception: " + e);
Console.WriteLine("Exception: {0}", e);
BrokenConnectionError();
}
/**
* // 2. receive int that tells us the size of the data portion of the message in bytes
* Int32 dataSize = ReadInt32(ref client);
*
* // 3. receive dataSize bytes, then decode these as InputEvents
* byte[] buf2 = new byte[dataSize + 1];
* int status = ReceiveAll(ref client, ref buf2, dataSize);
* if (status == -1) {
* Console.WriteLine("ReceiveEventData error reading data");
* return;
* }
* buf2[dataSize] = 0;
*
* // buf2 is the XML string that contains all the events.
* string serializedQueue = System.Text.Encoding.UTF8.GetString(buf2);
* //Debug.Log("Queue = " + serializedQueue);
*
* // Extract the VRDataQueue object
* Dictionary<string, string> queueProps = new Dictionary<string, string>();
* string queueContent = string.Empty;
* string queueLeftover = string.Empty;
* bool queueSuccess = XMLUtils.GetXMLField(serializedQueue, "VRDataQueue", ref queueProps, ref queueContent, ref queueLeftover);
* if (!queueSuccess) {
* Debug.Log("Error decoding VRDataQueue");
* return;
* }
*
* // The queue contents are VRDataItems, extract each one
* int nItems = Convert.ToInt32(queueProps["num"]);
*
* //Debug.Log("Num = " + nItems);
* //Debug.Log(queueContent);
*
* for (int i = 0; i < nItems; i++) {
* Dictionary<string, string> itemProps = new Dictionary<string, string>();
* string itemContent = string.Empty;
* string itemLeftover = string.Empty;
* bool itemSuccess = XMLUtils.GetXMLField(queueContent, "VRDataQueueItem", ref itemProps, ref itemContent, ref itemLeftover);
* if (!itemSuccess) {
* Debug.Log("Error decoding VRDataQueueItem #" + i);
* return;
* }
*
* // Create a new VREvent from the content of this item
* //Debug.Log("Item Content = " + itemContent);
* VREvent e = new VREvent(ref itemContent);
* inputEvents.Add(e);
*
* // Update the content to point to the next item if there is one
* queueContent = itemLeftover;
* }
**/
}
// Update is called once per frame
void Update()
{
// update the trackers only once per frame
if (lastAnalogUpdateFrame != Time.frameCount)
{
UpdateAnalogs();
lastAnalogUpdateFrame = Time.frameCount;
}
analogData = (AnalogData)Marshal.PtrToStructure(analogDataPointer, typeof(AnalogData));
if (!Mathf.Approximately((float)analogData.state, lastAnalogState))
{
lastAnalogState = (float)analogData.state;
VREvent e = new VREvent(eventName);
e.AddData("EventType", "AnalogUpdate");
e.AddData("AnalogValue", (float)analogData.state);
pendingEvents.Add(e);
if (applyUpdatesToGameObject)
{
float speedThisFrame = speed * Time.deltaTime * (float)analogData.state;
if (movementType == MovementType.TRANSLATE)
{
Vector3 position = transform.localPosition;
if (axis == Axis.X)
{
position.x += speedThisFrame;
}
else if (axis == Axis.Y)
{
position.y += speedThisFrame;
}
else if (axis == Axis.Z)
{
position.z += speedThisFrame;
}
else
{
position.x += speedThisFrame;
position.y += speedThisFrame;
position.z += speedThisFrame;
}
transform.localPosition = position;
}
else if (movementType == MovementType.ROTATE)
{
Quaternion newRotation = Quaternion.identity;
Vector3 newAngles = newRotation.eulerAngles;
if (axis == Axis.X)
{
newAngles.x += speedThisFrame;
}
else if (axis == Axis.Y)
{
newAngles.y += speedThisFrame;
}
else if (axis == Axis.Z)
{
newAngles.z += speedThisFrame;
}
else
{
newAngles.x += speedThisFrame;
newAngles.y += speedThisFrame;
newAngles.z += speedThisFrame;
}
if (newAngles.x > 360)
{
newAngles.x %= 360;
}
if (newAngles.y > 360)
{
newAngles.y %= 360;
}
if (newAngles.z > 360)
{
newAngles.z %= 360;
}
newRotation.eulerAngles = newAngles;
Quaternion rotation = transform.localRotation;
rotation = rotation * newRotation;
transform.localRotation = rotation;
}
else if (movementType == MovementType.SCALE)
{
Vector3 scale = transform.localScale;
if (axis == Axis.X)
{
scale.x += speedThisFrame;
}
else if (axis == Axis.Y)
{
scale.y += speedThisFrame;
}
else if (axis == Axis.Z)
{
scale.z += speedThisFrame;
}
else
{
scale.x += speedThisFrame;
scale.y += speedThisFrame;
scale.z += speedThisFrame;
}
transform.localScale = scale;
}
}
}
}
void WaitForAndReceiveInputEvents(ref List<VREvent> inputEvents)
{
// 1. receive 1-byte message header
WaitForAndReceiveMessageHeader(INPUT_EVENTS_MSG);
// 2. receive int that tells us the size of the data portion of the message in bytes
Int32 dataSize = ReadInt32();
// 3. receive dataSize bytes, then decode these as InputEvents
byte[] buf2 = new byte[dataSize+1];
int status = ReceiveAll(ref buf2, dataSize);
if (status == -1) {
Console.WriteLine("WaitForAndReceiveInputEvents error reading data");
return;
}
buf2[dataSize] = 0;
// buf2 is the XML string that contains all the events.
string xmlEventList = System.Text.Encoding.UTF8.GetString(buf2);
//Debug.Log(xmlEventList);
Dictionary<string, string> props = new Dictionary<string, string>();
string xmlEvents = string.Empty;
string leftover = string.Empty;
bool success = XMLUtils.GetXMLField(xmlEventList, "VREventList", ref props, ref xmlEvents, ref leftover);
if (!success) {
Debug.Log("Error decoding VREventList");
return;
}
int nEvents = Convert.ToInt32(props["num"]);
for (int i=0; i<nEvents; i++) {
// Create the next VREvent from the XML description
VREvent e = new VREvent(ref xmlEvents);
inputEvents.Add(e);
}
}
void AddInputEvent(VREvent e)
{
inputEvents.Add(e);
}
private void AddTrackerEvents(ref List <VREvent> eventList)
{
float x = Input.mousePosition.x;
float y = Input.mousePosition.y;
// first time through
if (float.IsNaN(lastx))
{
lastx = x;
lasty = y;
return;
}
if (Input.GetKeyDown("1"))
{
curTracker = 0;
}
else if (Input.GetKeyDown("2"))
{
curTracker = 1;
}
if (Input.GetKey("x"))
{
float angle = 0.1f * (x - lastx);
if (curTracker == 0)
{
tracker1Rot = Quaternion.AngleAxis(angle, new Vector3(1f, 0f, 0f)) * tracker1Rot;
}
else if (curTracker == 1)
{
tracker2Rot = Quaternion.AngleAxis(angle, new Vector3(1f, 0f, 0f)) * tracker2Rot;
}
}
else if (Input.GetKey("y"))
{
float angle = 0.1f * (x - lastx);
if (curTracker == 0)
{
tracker1Rot = Quaternion.AngleAxis(angle, new Vector3(0f, 1f, 0f)) * tracker1Rot;
}
else if (curTracker == 1)
{
tracker2Rot = Quaternion.AngleAxis(angle, new Vector3(0f, 1f, 0f)) * tracker2Rot;
}
}
else if (Input.GetKey("z"))
{
float angle = 0.1f * (x - lastx);
if (curTracker == 0)
{
tracker1Rot = Quaternion.AngleAxis(angle, new Vector3(0f, 0f, 1f)) * tracker1Rot;
}
else if (curTracker == 1)
{
tracker2Rot = Quaternion.AngleAxis(angle, new Vector3(0f, 0f, 1f)) * tracker2Rot;
}
}
else if (Input.GetKey("left shift"))
{
float depth = 0.005f * (y - lasty);
if (curTracker == 0)
{
tracker1Pos += depth * Camera.main.transform.forward;
}
else if (curTracker == 1)
{
tracker2Pos += depth * Camera.main.transform.forward;
}
}
else
{
Ray ray = Camera.main.ScreenPointToRay(new Vector3(x, y, 0f));
Plane p = new Plane();
float dist = 0.0f;
if (curTracker == 0)
{
p.SetNormalAndPosition(-Camera.main.transform.forward, tracker1Pos);
if (p.Raycast(ray, out dist))
{
tracker1Pos = ray.GetPoint(dist);
}
}
else if (curTracker == 1)
{
p.SetNormalAndPosition(-Camera.main.transform.forward, tracker2Pos);
if (p.Raycast(ray, out dist))
{
tracker2Pos = ray.GetPoint(dist);
}
}
}
// for fake traker 1
Matrix4x4 m1 = Matrix4x4.TRS(tracker1Pos, tracker1Rot, Vector3.one);
float[] d1 = VRConvert.ToFloatArray(m1);
VREvent e1 = new VREvent(fakeTracker1Event);
e1.AddData("EventType", "TrackerMove");
e1.AddData("Transform", d1);
eventList.Add(e1);
// for fake traker 2
Matrix4x4 m2 = Matrix4x4.TRS(tracker2Pos, tracker2Rot, Vector3.one);
float[] d2 = VRConvert.ToFloatArray(m2);
VREvent e2 = new VREvent(fakeTracker2Event);
e2.AddData("EventType", "TrackerMove");
e2.AddData("Transform", d2);
eventList.Add(e2);
//
this.lastx = x;
this.lasty = y;
}
void OnVREvent(VREvent e)
{
if (e.Name == user1HeadTrackingEvent)
{
Matrix4x4 m = VRConvert.ToMatrix4x4(e.DataIndex.GetValueAsDoubleArray(matrix4x4DataField));
if (user_id == 1)
{
transform.position = m.GetTranslation();
transform.rotation = m.GetRotation();
}
//Debug.Log("Head Position = " + m.GetTranslation().ToString());
//Debug.Log("Head Rotation = " + m.GetRotation().ToString());
//------------------ Avatar 1 movement ------------------------
// position
Vector3 pos = m.GetTranslation();
user1Avatar.transform.position = new Vector3(pos.x, user1Avatar.transform.position.y, pos.z);
// rotation
Quaternion rot = m.GetRotation();
// 3rd column of a rotation matrix is the z-axis
Vector3 z = new Vector3(m.GetColumn(2).x, m.GetColumn(2).y, m.GetColumn(2).z);
// z-axis of the tracker projected onto a horizontal plane
Vector3 zHorizontal = (z - Vector3.Dot(z, Vector3.up) * Vector3.up).normalized;
// align the z axis of the avatar with zHorizontal
Quaternion newRot = Quaternion.FromToRotation(new Vector3(0, 0, 1), zHorizontal);
user1Avatar.transform.rotation = newRot;
//------------------ Menu movement ------------------------
if (user_id == 1)
{
/*
* GameObject terrain = GameObject.Find ("Terrain");
* MenuContainer.transform.position = new Vector3 (pos.x, terrain.transform.position.y, pos.z);
* MenuContainer.transform.rotation = newRot;
*/
Text hPos = GameObject.Find("MinVRUnityClient/VRCameraPair/HeadPosition").GetComponent <Text> ();
Text mPos = GameObject.Find("MinVRUnityClient/VRCameraPair/MenuPosition").GetComponent <Text> ();
Text bPos = GameObject.Find("MinVRUnityClient/VRCameraPair/BrushPosition").GetComponent <Text> ();
//MenuContainer.transform.position = new Vector3 (pos.x, pos.y - 50, pos.z);
//MenuContainer.transform.rotation = newRot;
hPos.text = "H pos: " + pos.ToString();
mPos.text = "m Pos: " + MenuContainer.transform.position.ToString();
bPos.text = "b Pos: " + brush1.transform.position.ToString();
}
}
else if (e.Name == user2HeadTrackingEvent)
{
Matrix4x4 m = VRConvert.ToMatrix4x4(e.DataIndex.GetValueAsDoubleArray(matrix4x4DataField));
if (user_id == 2)
{
transform.position = m.GetTranslation();
transform.rotation = m.GetRotation();
}
//Debug.Log("Head Position = " + m.GetTranslation().ToString());
//Debug.Log("Head Rotation = " + m.GetRotation().ToString());
//------------------ Avatar 2 movement ------------------------
// position
Vector3 pos = m.GetTranslation();
user2Avatar.transform.position = new Vector3(pos.x, user2Avatar.transform.position.y, pos.z);
// rotation
Quaternion rot = m.GetRotation();
// 3rd column of a rotation matrix is the z-axis
Vector3 z = new Vector3(m.GetColumn(2).x, m.GetColumn(2).y, m.GetColumn(2).z);
// z-axis of the tracker projected onto a horizontal plane
Vector3 zHorizontal = (z - Vector3.Dot(z, Vector3.up) * Vector3.up).normalized;
// align the z axis of the avatar with zHorizontal
Quaternion newRot = Quaternion.FromToRotation(new Vector3(0, 0, 1), zHorizontal);
user2Avatar.transform.rotation = newRot;
//------------------ Menu movement ------------------------
if (user_id == 2)
{
Text hPos = GameObject.Find("MinVRUnityClient/VRCameraPair/HeadPosition").GetComponent <Text> ();
Text mPos = GameObject.Find("MinVRUnityClient/VRCameraPair/MenuPosition").GetComponent <Text> ();
Text bPos = GameObject.Find("MinVRUnityClient/VRCameraPair/BrushPosition").GetComponent <Text> ();
//MenuContainer.transform.position = new Vector3 (pos.x, pos.y - 50, pos.z);
//MenuContainer.transform.rotation = newRot;
hPos.text = "H pos: " + pos.ToString();
mPos.text = "m Pos: " + MenuContainer.transform.position.ToString();
bPos.text = "b Pos: " + brush2.transform.position.ToString();
}
}
}
