Sequencer: bugfix for randomly skipped / missed steps

Author: ludzeller

Assets/Scripts/Sequencer/sequencerCVDeviceInterface.cs

@@ -335,8 +335,14 @@ private void OnAudioFilterRead(float[] buffer, int channels)
     int selectedStep = 0;
     void UpdateStepSelect()
     {
+        // bugfix for randomly skipped / missed steps. 
+        // this routine would fire even if the step selector handle was not touched or grabbed. 
+        // this could be due to an multithread issue between main and audio thread, which is still unsolved.
+        if (stepSelect.curState != manipObject.manipState.grabbed) return; 
+
         int s = (int)Mathf.Round(stepSelect.transform.localPosition.x / -cubeConst);
         if (s == selectedStep) return;
+        //Debug.Log("step dragged");
         stepSelect.pulse();
         selectedStep = s;
         SelectStep(s);