Improve Touch Delay

Reduce Touch Overhead by only sending input state once a second to keep the game reading alive, on top of whenever a change in the state happens. Also add a small cube to the scene to use for debugging touch in editor when needed

Assets/Scenes/WACVR.unity

@@ -666,6 +666,120 @@ Transform:
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+  m_RootOrder: 6
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+--- !u!54 &88826007
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@@ -1152,7 +1266,7 @@ Transform:
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   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 9
+  m_RootOrder: 10
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@@ -4599,7 +4713,7 @@ Transform:
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   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 6
+  m_RootOrder: 7
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@@ -8109,7 +8223,7 @@ Transform:
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+  m_RootOrder: 9
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@@ -8709,7 +8823,7 @@ Transform:
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-  m_RootOrder: 7
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Assets/Script/ColliderToSerial.cs

@@ -9,6 +9,7 @@ public class ColliderToSerial : MonoBehaviour
 {
     private Renderer cr;
     private int _insideColliderCount = 0;
+    public static event Action touchDidChange;
 
     private void Start()
     {
@@ -19,6 +20,7 @@ public class ColliderToSerial : MonoBehaviour
     {
         _insideColliderCount += 1;
         Serial.SetTouch(Convert.ToInt32(gameObject.name), true);
+        touchDidChange?.Invoke();
         cr.material.color = new Color(1f, 1f, 1f, 1f);
     }
 
@@ -26,10 +28,12 @@ public class ColliderToSerial : MonoBehaviour
     {
         _insideColliderCount -= 1;
         _insideColliderCount = Mathf.Max(0, _insideColliderCount);
-        cr.material.color = new Color(0f, 0f, 0f, 0f);
+
         if (_insideColliderCount == 0)
         {
             Serial.SetTouch(Convert.ToInt32(gameObject.name), false);
+            touchDidChange?.Invoke();
+            cr.material.color = new Color(0f, 0f, 0f, 0f);
         }
     }
 }

Assets/Script/Serial.cs

@@ -1,9 +1,9 @@
-using UnityEngine;
-using System.IO.Ports;
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.IO.Ports;
 using System.Linq;
+using UnityEngine;
 public class Serial : MonoBehaviour
 {
 
@@ -42,6 +42,10 @@ public class Serial : MonoBehaviour
         SetSettingData_201();
         SetSettingData_162();
         SetSettingData_148();
+        //Send touch update periodically to keep "read" alive
+        InvokeRepeating("SendTouchState", 0, 1);
+        //Send touch updates whenever actual state changes to achieve desired update frequency without overloading
+        ColliderToSerial.touchDidChange += SendTouchState;
     }
 
     void Update()
@@ -50,14 +54,23 @@ public class Serial : MonoBehaviour
             ReadHead(ComL, 0);
         if (ComR.IsOpen)
             ReadHead(ComR, 1);
-        if (Input.GetKeyDown(KeyCode.M)) //this is a touch test code
+        //  if (Input.GetKeyDown(KeyCode.M)) //this is a touch test code
-            StartCoroutine(TouchTest(true));
+        //      StartCoroutine(TouchTest(true));
+        if (Input.GetKeyDown(KeyCode.M) && StartUp)
+            SendTouchState();
     }
 
-    private void FixedUpdate() {
+    private void SendTouchState()
-        SendTouch(ComL, TouchPackL);
+    {
+        Debug.Log("Sending Touch State");
+        Debug.Log("Sending Left");
+         SendTouch(ComL, TouchPackL);
+        Debug.Log("Sending Right");
         SendTouch(ComR, TouchPackR);
     }
+    private void FixedUpdate() {
+      //SendTouchState();
+    }
 
     IEnumerator TouchTest(bool State) //this is a touch test code
     {
@@ -181,7 +194,13 @@ public class Serial : MonoBehaviour
     void SendTouch(SerialPort Serial, byte[] Pack) //Send touch data
     {
         if (StartUp)
-            Serial.Write(GetTouchPack(Pack), 0, 36);
+        {
+      //      Debug.Log($"Pack {string.Join(" ", Pack)}");
+            var output = GetTouchPack(Pack);
+       //     Debug.Log($"Output {string.Join(" ", output)}");
+            Serial.Write(output, 0, 36);
+        }
+
     }
     public static void SetTouch(int Area, bool State) //set touch data 0-239
     {