Interaction

Assets/Scripts/PlayerInteraction.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class PlayerInteraction : MonoBehaviour
+{
+    public TMPro.TextMeshProUGUI interactionText;
+
+    void Update()
+    {
+        bool successfulHit = false;
+        RaycastHit2D hit = Physics2D.Raycast(Camera.main.ScreenToWorldPoint(Input.mousePosition), Vector2.zero);
+
+        if(hit.collider != null)
+        {
+            Interactable interactable = hit.collider.gameObject.GetComponent<Interactable>();
+
+            if(interactable != null)
+            {
+                // Debug.Log("Target Position: " + hit.collider.gameObject.transform.position);
+                HandleInteraction(interactable);
+                interactionText.text = interactable.GetDescription();
+                successfulHit = true;
+            }            
+        }
+
+        if (!successfulHit)
+        {
+            interactionText.text = "";
+        }
+
+    }
+
+    void HandleInteractionText() // interaction text has to follow mouse cursor
+    {
+        
+    }
+
+    void HandleInteraction(Interactable interactable)
+    {
+        switch (interactable.interactionType)
+        {
+            case Interactable.InteractionType.Click:
+                if (Input.GetButtonDown("Interact"))
+                {
+                    interactable.Interact();
+                }
+                break;
+            case Interactable.InteractionType.Hold:
+                if (Input.GetButton("Interact"))
+                {
+                    interactable.IncreaseHoldTime();
+                    
+                    if(interactable.GetHoldTime() > 1f)
+                    {
+                        interactable.Interact();
+                        interactable.ResetHoldTime();
+                    }
+                }
+                else
+                {
+                    interactable.ResetHoldTime();
+                }
+                break;
+            default:
+                throw new System.Exception("Unsupported type of interactable");
+        }
+    }
+}