We can register our own gesture

Author: alamboley

Assets/Scripts/CapturePoints.cs

@@ -1,6 +1,8 @@
 using UnityEngine;
+using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.IO;
 
 using PDollarGestureRecognizer;
 using PDollarDemo;
@@ -26,16 +28,22 @@ public class CapturePoints : MonoBehaviour {
 	//GUI
 	private string message;
 	private bool recognized;
+	private string newGestureName = "";
 
 	void Start () {
 
 		platform = Application.platform;
 		drawArea = new Rect(0, 0, Screen.width - Screen.width / 3, Screen.height);
 
+		//Load pre-made gestures
 		TextAsset[] gesturesXml = Resources.LoadAll<TextAsset>("GestureSet/10-stylus-MEDIUM/");
-		
 		foreach (TextAsset gestureXml in gesturesXml)
-			trainingSet.Add(GestureIO.ReadGesture(gestureXml.text));
+			trainingSet.Add(GestureIO.ReadGestureFromXML(gestureXml.text));
+
+		//Load user custom gestures
+		string[] filePaths = Directory.GetFiles(Application.persistentDataPath, "*.xml");
+		foreach (string filePath in filePaths)
+			trainingSet.Add(GestureIO.ReadGestureFromFile(filePath));
 	}
 
 	void Update () {
@@ -57,6 +65,7 @@ void Update () {
 				if (recognized) {
 
 					recognized = false;
+					strokeId = -1;
 
 					points.Clear();
 
@@ -100,15 +109,25 @@ void OnGUI() {
 			recognized = true;
 
 			Gesture candidate = new Gesture(points.ToArray());
-			
 			Result gestureResult = PointCloudRecognizer.Classify(candidate, trainingSet.ToArray());
 
 			message = gestureResult.GestureClass + " " + gestureResult.Score;
-			
-			strokeId = -1;
 		}
-	}
 
+		GUI.Label(new Rect(Screen.width - 200, 150, 70, 30), "Add as: ");
+		newGestureName = GUI.TextField(new Rect(Screen.width - 150, 150, 100, 30), newGestureName);
+
+		if (GUI.Button(new Rect(Screen.width - 50, 150, 50, 30), "Add") && points.Count > 0 && newGestureName != "") {
+
+			string fileName = String.Format("{0}/{1}-{2}.xml", Application.persistentDataPath, newGestureName, DateTime.Now.ToFileTime());
+			GestureIO.WriteGesture(points.ToArray(), newGestureName, fileName);
+
+			trainingSet.Add(new Gesture(points.ToArray(), newGestureName));
+
+			newGestureName = "";
+		}
+	}
+	
 	private Vector3 WorldCoordinateForGesturePoint(Vector3 gesturePoint) {
 
 		Vector3 worldCoordinate = new Vector3(gesturePoint.x, gesturePoint.y, 10);

Assets/Scripts/PDollarDemo/GestureIO.cs

@@ -14,16 +14,56 @@ public class GestureIO
         /// </summary>
         /// <param name="xml"></param>
         /// <returns></returns>
-		public static Gesture ReadGesture(string xml)
+		public static Gesture ReadGestureFromXML(string xml) {
+
+			XmlTextReader xmlReader = null;
+			Gesture gesture = null;
+
+			try {
+
+				xmlReader = new XmlTextReader(new StringReader(xml));
+				gesture = ReadGesture(xmlReader);
+
+			} finally {
+
+				if (xmlReader != null)
+					xmlReader.Close();
+			}
+
+			return gesture;
+		}
+
+		/// <summary>
+		/// Reads a multistroke gesture from an XML file
+		/// </summary>
+		/// <param name="fileName"></param>
+		/// <returns></returns>
+		public static Gesture ReadGestureFromFile(string fileName) {
+
+			XmlTextReader xmlReader = null;
+			Gesture gesture = null;
+			
+			try {
+				
+				xmlReader = new XmlTextReader(File.OpenText(fileName));
+				gesture = ReadGesture(xmlReader);
+				
+			} finally {
+				
+				if (xmlReader != null)
+					xmlReader.Close();
+			}
+			
+			return gesture;
+		}
+
+		private static Gesture ReadGesture(XmlTextReader xmlReader)
         {
             List<Point> points = new List<Point>();
-            XmlTextReader xmlReader = null;
             int currentStrokeIndex = -1;
             string gestureName = "";
             try
             {
-				xmlReader = new XmlTextReader(new StringReader(xml));
-
                 while (xmlReader.Read())
                 {
                     if (xmlReader.NodeType != XmlNodeType.Element) continue;

ProjectSettings/ProjectSettings.asset

@@ -10,7 +10,7 @@ PlayerSettings:
   targetGlesGraphics: 1
   targetResolution: 0
   accelerometerFrequency: 60
-  companyName: DefaultCompany
+  companyName: Da Viking Code
   productName: PDollar
   defaultCursor: {fileID: 0}
   cursorHotspot: {x: 0, y: 0}
@@ -64,7 +64,7 @@ PlayerSettings:
     16:10: 1
     16:9: 1
     Others: 1
-  iPhoneBundleIdentifier: com.Company.ProductName
+  iPhoneBundleIdentifier: com.davikingcode.PDollar-Unity
   metroEnableIndependentInputSource: 0
   metroEnableLowLatencyPresentationAPI: 0
   productGUID: 5418926cf37a34f559f56e2b1384210e
@@ -100,7 +100,11 @@ PlayerSettings:
   AndroidKeystoreName: 
   AndroidKeyaliasName: 
   resolutionDialogBanner: {fileID: 0}
-  m_BuildTargetIcons: []
+  m_BuildTargetIcons:
+  - m_BuildTarget: 
+    m_Icons:
+    - m_Icon: {fileID: 0}
+      m_Size: 128
   m_BuildTargetBatching: []
   webPlayerTemplate: APPLICATION:Default
   m_TemplateCustomTags: {}
@@ -144,7 +148,8 @@ PlayerSettings:
   psp2PackagedResourcesPath: 
   flashStrippingLevel: 2
   spritePackerPolicy: 
-  scriptingDefineSymbols: {}
+  scriptingDefineSymbols:
+    2: 1
   metroPackageName: PDollar
   metroPackageLogo: 
   metroPackageLogo140: