Easiest 4 points

AR-2b/Assets/contour_fuckery.unity

@@ -112,6 +112,113 @@ NavMeshSettings:
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       m_Flags: 0
   m_NavMeshData: {fileID: 0}
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+    m_Modifications:
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+      propertyPath: m_Name
+      value: flying_skull
+      objectReference: {fileID: 0}
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+      objectReference: {fileID: 0}
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+      propertyPath: m_LocalRotation.y
+      value: -0.7071068
+      objectReference: {fileID: 0}
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+      propertyPath: m_LocalEulerAnglesHint.z
+      value: 180
+      objectReference: {fileID: 0}
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+      value: 
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+    m_RemovedComponents: []
+  m_SourcePrefab: {fileID: 100100000, guid: b07d7c0ed92004731951cc02dfe544a4, type: 3}
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+Transform:
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+    type: 3}
+  m_PrefabInstance: {fileID: 252507174}
+  m_PrefabAsset: {fileID: 0}
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 GameObject:
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@@ -226,7 +333,7 @@ MonoBehaviour:
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   m_Name: 
   m_EditorClassIdentifier: 
-  mWorldCenterMode: 0
+  mWorldCenterMode: 2
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 AudioListener:
@@ -288,7 +395,8 @@ Transform:
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   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
-  m_Children: []
+  m_Children:
+  - {fileID: 802242655}
   m_Father: {fileID: 0}
   m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}

AR-3/Assets/StreamingAssets/Vuforia/AR-3.xml

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <QCARConfig xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="qcar_config.xsd">
   <Tracking>
+    <ImageTarget name="YZ" size="0.150000 0.150000" />
+    <ImageTarget name="QRS" size="0.150000 0.150000" />
+    <ImageTarget name="IJK" size="0.150000 0.150000" />
+    <ImageTarget name="ABC" size="0.150000 0.150000" />
     <ImageTarget name="finger_drawing_template" size="0.297000 0.210052" />
     <ImageTarget name="h" size="0.035000 0.050831" />
     <ImageTarget name="f" size="0.035000 0.046583" />

AR-3/Assets/change_everything.cs

@@ -0,0 +1,33 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using Vuforia;
+
+public class change_everything : MonoBehaviour
+{
+
+    private TextMesh colorQuad;
+
+    private GameObject color;
+    private GameObject brightness;
+    private Renderer rend;
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        color = GameObject.Find("color");
+        brightness = GameObject.Find("brightness");
+        rend = gameObject.GetComponent<Renderer>();
+
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+
+        var color_rot = color.transform.rotation.eulerAngles.y / 360f;
+        var bright_rot = brightness.transform.rotation.eulerAngles.y / 360f;
+        
+        rend.material.color = Color.HSVToRGB(color_rot, 1, bright_rot);
+    }
+}

AR-3/Assets/color_mat.mat

@@ -0,0 +1,77 @@
+%YAML 1.1
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+  m_PrefabInstance: {fileID: 0}
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+  m_ShaderKeywords: 
+  m_LightmapFlags: 4
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+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
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+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
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+        m_Scale: {x: 1, y: 1}
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+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
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+    - _DetailNormalMapScale: 1
+    - _DstBlend: 0
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AR-3/Assets/make_text.cs

@@ -14,13 +14,28 @@ public class make_text : MonoBehaviour, ITrackableEventHandler
             newStatus == ImageTargetBehaviour.Status.DETECTED ||
             newStatus == ImageTargetBehaviour.Status.EXTENDED_TRACKED)
         {
-            if (gameObject.name == "del")
+
+            var rotation = gameObject.transform.rotation.eulerAngles.y;
+            print($"The rotation: {rotation}");
+            print($"rotation / 45: {rotation / 45}");
+            var letter = gameObject.name[(int)(rotation / 45)].ToString();
+            print($"The letter: {letter}");
+
+
+            if (letter == "1")
             {
                 textQuad.text = textQuad.text.Remove(textQuad.text.Length - 1);
             }
+            else if (letter == "0")
+            {
+                textQuad.text += " ";
+            } else if (letter == "9")
+            {
+                textQuad.text += "<3";
+            }
             else
             {
-                textQuad.text += gameObject.name;
+                textQuad.text += letter;
             }
         }
     }
@@ -40,7 +55,8 @@ public class make_text : MonoBehaviour, ITrackableEventHandler
     // Update is called once per frame
     void Update()
     {
-
+        var rotation = gameObject.transform.rotation.eulerAngles.y;
-        
+        print($"The rotation: {rotation}");
+        print($"rotation / 45: {rotation / 45}");
     }
 }