smoothing animation curves and recording less keyframes

Unity Runtime Recorder/Scripts/UnityAnimSaver/Editor/UnityAnimationRecorderEditor.cs

@@ -20,9 +20,12 @@ public class UnityAnimationRecorderEditor : Editor {
 	SerializedProperty changeTimeScale;
 	SerializedProperty timeScaleOnStart;
 	SerializedProperty timeScaleOnRecord;
+    SerializedProperty smoothTangents;
+    SerializedProperty recordEachFrame;
+    SerializedProperty howOftenFrame;
 
 
-	void OnEnable () {
+    void OnEnable () {
 
 		savePath = serializedObject.FindProperty ("savePath");
 		fileName = serializedObject.FindProperty ("fileName");
@@ -37,8 +40,12 @@ void OnEnable () {
 		changeTimeScale = serializedObject.FindProperty ("changeTimeScale");
 		timeScaleOnStart = serializedObject.FindProperty ("timeScaleOnStart");
 		timeScaleOnRecord = serializedObject.FindProperty ("timeScaleOnRecord");
-
-	}
+        smoothTangents = serializedObject.FindProperty("smoothTangents");
+
+        recordEachFrame = serializedObject.FindProperty("recordEachFrame");
+        howOftenFrame = serializedObject.FindProperty("howOftenFrame");
+
+    }
 
 	public override void OnInspectorGUI () {
 		serializedObject.Update ();
@@ -87,7 +94,16 @@ public override void OnInspectorGUI () {
 		// recording frames setting
 		recordLimitedFrames.boolValue = EditorGUILayout.Toggle( "Record Limited Frames", recordLimitedFrames.boolValue );
 
-		if (recordLimitedFrames.boolValue)
+        smoothTangents.boolValue = EditorGUILayout.Toggle("Smooth tangents of animation curves", smoothTangents.boolValue);
+
+        recordEachFrame.boolValue = EditorGUILayout.Toggle("Record animation in every frame", recordEachFrame.boolValue);
+        if (!recordEachFrame.boolValue)
+        {
+            howOftenFrame.floatValue = EditorGUILayout.FloatField("Distance betwen recorded frames", howOftenFrame.floatValue);
+
+        }
+
+        if (recordLimitedFrames.boolValue)
 			EditorGUILayout.PropertyField (recordFrames);
 
 		serializedObject.ApplyModifiedProperties ();

Unity Runtime Recorder/Scripts/UnityAnimSaver/UnityAnimationRecorder.cs

@@ -22,6 +22,7 @@ public class UnityAnimationRecorder : MonoBehaviour {
 	public bool changeTimeScale = false;
 	public float timeScaleOnStart = 0.0f;
 	public float timeScaleOnRecord = 1.0f;
+    public bool smoothTangents = true;
 
 	Transform[] recordObjs;
 	UnityObjectAnimation[] objRecorders;
@@ -54,13 +55,7 @@ void Update () {
 			StopRecording ();
 		}
 
-		if (isStart) {
-			nowTime += Time.deltaTime;
-
-			for (int i = 0; i < objRecorders.Length; i++) {
-				objRecorders [i].AddFrame (nowTime);
-			}
-		}
+
 
 	}
 
@@ -78,19 +73,30 @@ public void StopRecording () {
 		ExportAnimationClip ();
 	}
 
-
-
-
-	void FixedUpdate () {
+
+    public bool recordEachFrame = true;
+
+    public float howOftenFrame = 0.2f;
+
+    float lastTime = 0f;
+    void FixedUpdate () {
 
 		if (isStart) {
 
 			if (frameIndex < recordFrames) {
-				for (int i = 0; i < objRecorders.Length; i++) {
-					objRecorders [i].AddFrame (nowTime);
-				}
-
-				++frameIndex;
+
+                nowTime += Time.fixedDeltaTime;
+                if (lastTime==0|| nowTime > lastTime + howOftenFrame||recordEachFrame)
+                {
+                    lastTime = nowTime;
+
+                    for (int i = 0; i < objRecorders.Length; i++)
+                        {
+                            objRecorders[i].AddFrame(nowTime);
+                        }
+
+                        ++frameIndex;
+                    }
 			} else {
 				isStart = false;
 				ExportAnimationClip ();
@@ -107,7 +113,14 @@ void OnGUI () {
 	void ExportAnimationClip () {
 
 		string exportFilePath = savePath + fileName;
-
+        if(smoothTangents)
+        {
+            for (int i = 0; i < objRecorders.Length; i++)
+            {
+                objRecorders[i].smoothCurves();
+
+            }
+        }
 		AnimationClip clip = new AnimationClip ();
 		clip.name = fileName;
 

Unity Runtime Recorder/Scripts/UnityAnimSaver/UnityCurveContainer.cs

@@ -16,4 +16,11 @@ public void AddValue( float animTime, float animValue )
 		Keyframe key = new Keyframe (animTime, animValue, 0.0f, 0.0f);
 		animCurve.AddKey (key);
 	}
+    public void SmoothTangents()
+    {
+        for (int i = 0; i < animCurve.keys.Length; ++i)
+        {
+            animCurve.SmoothTangents(i, 0); //zero weight means average
+        }
+    }
 }

Unity Runtime Recorder/Scripts/UnityAnimSaver/UnityObjectAnimation.cs

@@ -44,4 +44,11 @@ public void AddFrame ( float time ) {
 		curves [9].AddValue (time, observeGameObject.localScale.z);
 
 	}
+    public void smoothCurves()
+    {
+        for (int i = 0; i < curves.Length; i++)
+        {
+            curves[i].SmoothTangents();
+        }
+    }
 }