[+] Create Node & Change Color of selected Node

editor/.gitattributes

@@ -0,0 +1,125 @@
+# Unity
+*.cginc              text
+*.cs                 text diff=csharp
+*.shader             text
+
+# Unity YAML
+*.mat                merge=unityyamlmerge eol=lf
+*.anim               merge=unityyamlmerge eol=lf
+*.unity              merge=unityyamlmerge eol=lf
+*.prefab             merge=unityyamlmerge eol=lf
+*.asset              merge=unityyamlmerge eol=lf
+*.meta               merge=unityyamlmerge eol=lf
+*.controller         merge=unityyamlmerge eol=lf
+
+# "physic" for 3D but "physics" for 2D
+*.physicMaterial2D   merge=unityyamlmerge eol=lf
+*.physicMaterial     merge=unityyamlmerge eol=lf
+*.physicsMaterial2D  merge=unityyamlmerge eol=lf
+*.physicsMaterial    merge=unityyamlmerge eol=lf
+
+# Using Git LFS
+# Add diff=lfs merge=lfs to the binary files
+
+# Unity LFS
+*.cubemap            binary
+*.unitypackage       binary
+
+# 3D models
+*.3dm                binary
+*.3ds                binary
+*.blend              binary
+*.c4d                binary
+*.collada            binary
+*.dae                binary
+*.dxf                binary
+*.FBX                binary
+*.fbx                binary
+*.jas                binary
+*.lws                binary
+*.lxo                binary
+*.ma                 binary
+*.max                binary
+*.mb                 binary
+*.obj                binary
+*.ply                binary
+*.skp                binary
+*.stl                binary
+*.ztl                binary
+
+# Audio
+*.aif                binary
+*.aiff               binary
+*.it                 binary
+*.mod                binary
+*.mp3                binary
+*.ogg                binary
+*.s3m                binary
+*.wav                binary
+*.xm                 binary
+
+# Video
+*.asf                binary
+*.avi                binary
+*.flv                binary
+*.mov                binary
+*.mp4                binary
+*.mpeg               binary
+*.mpg                binary
+*.ogv                binary
+*.wmv                binary
+
+# Images
+*.bmp                binary
+*.exr                binary
+*.gif                binary
+*.hdr                binary
+*.iff                binary
+*.jpeg               binary
+*.jpg                binary
+*.pict               binary
+*.png                binary
+*.psd                binary
+*.tga                binary
+*.tif                binary
+*.tiff               binary
+*.webp               binary
+
+# Compressed Archive
+*.7z                binary
+*.bz2               binary
+*.gz                binary
+*.rar               binary
+*.tar               binary
+*.zip               binary
+
+# Compiled Dynamic Library
+*.dll               binary
+*.pdb               binary
+*.so                binary
+
+# Fonts
+*.otf               binary
+*.ttf               binary
+
+# Executable/Installer
+*.apk               binary
+*.exe               binary
+
+# Documents
+*.pdf               binary
+
+# ETC
+*.a                 binary
+*.rns               binary
+*.reason            binary
+
+# Collapse Unity-generated files on GitHub
+*.asset             linguist-generated
+*.mat               linguist-generated
+*.meta              linguist-generated
+*.prefab            linguist-generated
+*.unity             linguist-generated
+
+# Spine export file for Unity
+*.skel.bytes        binary

editor/Assets/ChangeColor.cs

@@ -0,0 +1,38 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class ChangeColor : MonoBehaviour
+{
+
+    public MeshRenderer mesh;
+    public Color SelectColor;
+    public Color DeselectColor;
+
+    private void Awake() {
+        mesh = gameObject.GetComponent<MeshRenderer>();
+        if((Vector4)DeselectColor == Vector4.zero)
+        {
+            DeselectColor = mesh.material.color;
+        }
+        mesh.material.color = DeselectColor;
+    }
+    private void OnEnable() {
+        ClickNode.instance.OnNodeSelected += ChangeColorOnSelected;
+        ClickNode.instance.OnNodeDeselected += ChangeColorOnDeselected;
+    }
+
+    void ChangeColorOnSelected()
+    {
+        if(ClickNode.instance.node == this.gameObject)
+        mesh.material.color = SelectColor;
+        else
+        mesh.material.color = DeselectColor;
+    }
+
+    void ChangeColorOnDeselected()
+    {
+        if(ClickNode.instance.node != this.gameObject)
+        mesh.material.color = DeselectColor;
+    }
+}

editor/Assets/ClickNode.cs

@@ -0,0 +1,42 @@
+using System.Collections;
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class ClickNode : MonoBehaviour
+{
+    public static ClickNode instance;
+    public Action OnNodeSelected;
+    public Action OnNodeDeselected;
+    public GameObject node;
+
+    private void Awake()
+    {
+        instance = this;
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+
+        if (Input.GetMouseButtonDown(0)) {
+            RaycastHit  hit;
+            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
+
+            if (Physics.Raycast(ray, out hit)) {
+                if (hit.transform.name != null)
+                {
+                    node = hit.transform.gameObject;
+                    OnNodeSelected?.Invoke();
+                }       
+
+            }
+            else
+            {
+                node = null;
+                OnNodeDeselected?.Invoke();
+            }
+        }
+    }
+
+}

editor/Assets/DragMouseOrbit.cs

@@ -21,6 +21,12 @@ public class DragMouseOrbit : MonoBehaviour
     float x = 0.0f;
     float y = 0.0f;
 
+    public ClickNode clickNode;
+
+    private void OnEnable() {
+        clickNode = ClickNode.instance;
+    }
+
     // Use this for initialization
     void Start()
     {
@@ -61,6 +67,7 @@ async void LateUpdate()
             var pIndex = Random.Range(0, gm.GetParts().Count);
             var nIndex = Random.Range(0, gm.GetParts()[pIndex].Count);
             var target = gm.GetParts()[pIndex][nIndex];
+            target = ClickNode.instance.node.GetComponent<NodeLink>().nodeLink;
             node.position = target.position + new Vector3(
                 Random.Range(-1f, 1f),
                 Random.Range(-1f, 1f),

editor/Assets/GraphManager.cs

@@ -52,6 +52,7 @@ private void CreateGameObjectsFromNodes(List<Node> nodes, int offset, Volume vol
             var position = (node.position + new Vector3(0, 0, offset)) * 2;
             position.y = -position.y;
             node.gameObject = Instantiate(cubeNode, position, Quaternion.identity);
+            node.gameObject.GetComponent<NodeLink>().nodeLink = node;
             volume.Add(node.gameObject);
             var textMesh = node.gameObject.GetComponentInChildren<TextMesh>();
             textMesh.text = node.text;
@@ -75,6 +76,7 @@ public async Task LinkNode(Node node, Node target, List<Node> graph)
 
 
         node.gameObject = Instantiate(cubeNode);
+        node.gameObject.GetComponent<NodeLink>().nodeLink = node;
         var textMesh = node.gameObject.GetComponentInChildren<TextMesh>();
         textMesh.text = node.text;