Implement replay feature

Assets/Gesture.meta

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Assets/Replay/Replay.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Replay : MonoBehaviour
+{
+	public string gestureToLoad = "swing/1";
+	Gesture gestureToReplay;
+	int currentFrame = -1;
+	float lastTimestamp = 0;
+
+	void Start ()
+	{
+		gestureToReplay = new Gesture (gestureToLoad);
+		lastTimestamp = Time.unscaledTime;
+	}
+
+	void Update ()
+	{
+		if (currentFrame < gestureToReplay.states.Count - 2) //if replay not finished
+		{
+			//compute criteria to go to the next frame
+			bool goToNextFrame = false;
+			if (currentFrame == -1)
+				goToNextFrame = true;
+			else
+			{
+				float timePast = Time.unscaledTime - lastTimestamp;
+				if (timePast >= gestureToReplay.states [currentFrame + 1].timestamp - gestureToReplay.states [currentFrame].timestamp)
+					goToNextFrame = true;
+			}
+
+			//apply next frame
+			if (goToNextFrame)
+			{
+				currentFrame++;
+				Vector3 framePosition = gestureToReplay.states [currentFrame].position;
+				transform.position = framePosition;
+				Debug.Log ("[Replay] applying position " + framePosition +", key: " + currentFrame);
+				lastTimestamp = Time.unscaledTime;
+			}
+		}
+	}
+}

Assets/Replay/Replay.cs.meta

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