added pathfinding

Assets/Scripts/Pathfinding/Testing.cs

@@ -0,0 +1,46 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Testing : MonoBehaviour {
+    
+    private Pathfinding pathfinding;
+    int originX = 0;
+    int originY = 0;
+
+    private void Start() {
+        pathfinding = new Pathfinding(20, 10);
+    }
+
+    private void Update() {
+        if (Input.GetMouseButtonDown(0)) {
+            Vector3 mouseWorldPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
+            pathfinding.GetGrid().GetXY(mouseWorldPosition, out int x, out int y);
+            List<PathNode> path = pathfinding.FindPath(originX, originY, x, y);
+            if (path != null) {
+                float cellSize = pathfinding.GetGrid().GetCellSize();
+                for (int i=0; i<path.Count - 1; i++) {
+                    Debug.DrawLine(new Vector3(path[i].x, path[i].y) * cellSize + Vector3.one * cellSize/2, new Vector3(path[i+1].x, path[i+1].y) * cellSize + Vector3.one * cellSize/2, Color.green, 5f);
+                }
+            }
+            
+            //characterPathfinding.SetTargetPosition(mouseWorldPosition);
+        }
+
+        if (Input.GetMouseButtonDown(1)) {
+            Vector3 mouseWorldPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
+            pathfinding.GetGrid().GetXY(mouseWorldPosition, out int x, out int y);
+            pathfinding.GetNode(x, y).SetIsWalkable(!pathfinding.GetNode(x, y).isWalkable);
+            originX = x;
+            originY = y;
+        }
+
+        if (Input.GetMouseButtonDown(2))
+        {
+            Vector3 mouseWorldPosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
+            pathfinding.GetGrid().GetXY(mouseWorldPosition, out int x, out int y);
+            pathfinding.GetNode(x, y).SetIsWalkable(!pathfinding.GetNode(x, y).isWalkable);
+        }
+    }
+
+}