Interactable Class

Assets/Scripts/PlayerInteraction.cs

@@ -0,0 +1,61 @@
+using UnityEngine;
+
+public class PlayerInteraction : MonoBehaviour
+{
+
+    public float interactionDistance;
+
+    public TMPro.TextMeshProUGUI interactionText;
+
+    Camera cam;
+
+    void Start()
+    {
+        cam = Camera.main;
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        Ray ray = cam.ScreenPointToRay(new Vector3(Screen.width / 2f, Screen.height / 2f, 0f));
+        RaycastHit hit;
+
+        bool successfulHit = false;
+
+        if (Physics.Raycast(ray, out hit, interactionDistance))
+        {
+            Interactable interactable = hit.collider.GetComponent<Interactable>();
+
+            if (interactable != null)
+            {
+                HandleInteraction(interactable);
+                interactionText.text = interactable.GetDescription();
+                successfulHit = true;
+            }
+        }
+
+        // if we miss, hide the UI
+        if (!successfulHit)
+        {
+            interactionText.text = "";
+        }
+    }
+
+    void HandleInteraction(Interactable interactable)
+    {
+        switch (interactable.interactionType)
+        {
+            case Interactable.InteractionType.Click:
+                // interaction type is click and we clicked the button -> interact
+                if (Input.GetButtonDown("Interact"))
+                {
+                    Debug.Log("INTERACT");
+                    interactable.Interact();
+                }
+                break;
+           
+            default:
+                throw new System.Exception("Unsupported type of interactable.");
+        }
+    }
+}