grow-ai-unity/Assets/Scripts/Pathfinding/Testing.cs

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);
        }
    }

}