interactable

Assets/Scripts/Interactable.cs

@@ -0,0 +1,53 @@
+// Base class for interactable object in the top-down game
+using UnityEngine;
+
+public abstract class Interactable : MonoBehaviour
+{
+  [SerializeField]
+  [Range(0f, 10f)]
+  private float radius = 2f; // radius of interaction
+
+  [SerializeField]
+  private string interactText = "Interact"; // text to display when player is in range
+
+  [SerializeField]
+  private string interactTextOutOfRange = "Out of range"; // text to display when player is out of range
+
+  public string GetInteractText(GameObject interactor = null)
+  {
+    if (interactor != null && IsInRange(interactor))
+    {
+      return interactText;
+    }
+    else { return interactTextOutOfRange; }
+  }
+
+  public abstract void OnInteract();
+
+  public float GetRadius() { return radius; }
+
+  public void Interact(GameObject interactor)
+  {
+    // check if in range
+    if (!IsInRange(interactor))
+    {
+      Debug.Log("Out of range");
+      return;
+    }
+
+    Debug.Log("Interacting with " + transform.name);
+    OnInteract();
+  }
+
+  public bool IsInRange(GameObject interactor)
+  {
+    return Vector2.Distance(transform.position, interactor.transform.position) <= radius;
+  }
+
+
+  private void OnDrawGizmosSelected()
+  {
+    Gizmos.color = Color.yellow;
+    Gizmos.DrawWireSphere(transform.position, radius);
+  }
+}