Added project

Platformer/Assets/Scripts/GroundDetection.cs

@@ -0,0 +1,20 @@
+using UnityEngine;
+
+public class GroundDetection : MonoBehaviour {
+
+    public bool isGrounded { get; private set; }
+
+    private void OnCollisionStay2D(Collision2D other) {
+        
+        if (other.gameObject.CompareTag("Platform") || other.gameObject.CompareTag("Enemy")) {
+            isGrounded = true;
+        }
+    }
+
+    private void OnCollisionExit2D(Collision2D other) {
+        if (other.gameObject.CompareTag("Platform") || other.gameObject.CompareTag("Enemy")) {
+            isGrounded = false;
+        } 
+    }
+    
+}