created player movement, jump and run faster

Assets/Scripts/Player.cs

@@ -4,16 +4,61 @@ using UnityEngine;
 
 public class Player : MonoBehaviour
 {
+    [SerializeField] private float runSpeed = 10f;
+    [SerializeField] private float jumpSpeed = 10f;
+    [SerializeField] private float runFasterFactor = 1.5f;
+    [SerializeField] GameObject ground;
 
+    Rigidbody2D rigidbody;
 
     private void Start()
     {
-        
+        rigidbody = GetComponent<Rigidbody2D>();
     }
 
     private void Update()
     {
-        
+        MovePlayer();
     }
 
+    private void MovePlayer()
+    {
+        Jump();
+        Run();
+    }
+
+    private void Jump()
+    {
+        var playerOnGround = rigidbody.IsTouching(ground.GetComponent<CompositeCollider2D>());
+
+        // Jump
+        if (Input.GetKey(KeyCode.Space) && playerOnGround)
+        {
+            rigidbody.velocity += new Vector2(0, jumpSpeed);
+            rigidbody.velocity = new Vector2(rigidbody.velocity.x,
+                                             Mathf.Clamp(rigidbody.velocity.y, 0, jumpSpeed));
+        }
+    }
+
+    private void Run()
+    {
+        var actualRunSpeed = runSpeed;
+
+        // Speed Run Increase
+        if (Input.GetKey(KeyCode.W))
+        {
+            actualRunSpeed *= runFasterFactor;
+        }
+
+        // Run
+        if (Input.GetKey(KeyCode.RightArrow))
+        {
+            rigidbody.velocity = new Vector2(actualRunSpeed, rigidbody.velocity.y);
+        }
+        else if (Input.GetKey(KeyCode.LeftArrow))
+        {
+            rigidbody.velocity = new Vector2(actualRunSpeed * -1, rigidbody.velocity.y);
+        }
+
+    }
 }