Store dash direction as Vector2

Assets/Scripts/PlayerControl.cs

@@ -14,9 +14,9 @@ public class PlayerControl : MonoBehaviour
     public float targetJumpHeight = 2f;
     public float lastDashStart = float.NegativeInfinity;
     [HideInInspector]
-    public float currentDashDirection = 0.0f;
+    public Vector2 dashDirection = Vector2.right;
     [HideInInspector]
-    public float dashDirection = 1.0f;
+    public Vector2 currentDashDirection = Vector2.right;
     public float dashCompletionTime = 0.25f;
     public float dashStartSpeed = 20.0f;
     public float dashEndSpeed = 8.0f;
@@ -93,14 +93,7 @@ public class PlayerControl : MonoBehaviour
         if (_controller.isGrounded)
             velocity.y = 0;
 
-        if (Input.GetKey (goRightKeyCode))
-        {
-          dashDirection = 1.0f;
-        }
-        else if (Input.GetKey (goLeftKeyCode))
-        {
-          dashDirection = -1.0f;
-        }
+        updateDashDirection();
 
         if (canDash () && Input.GetKey (dashKeyCode))
         {
@@ -111,8 +104,7 @@ public class PlayerControl : MonoBehaviour
 
         if (isDashing ())
         {
-            velocity.x = Mathf.Lerp(currentDashDirection * dashStartSpeed, currentDashDirection * dashEndSpeed, getDashTime() / dashCompletionTime);
-            velocity.y = 0;
+          velocity = currentDashDirection * Mathf.Lerp(dashStartSpeed, dashEndSpeed, getDashTime() / dashCompletionTime);
         }
         else
         {
@@ -171,6 +163,24 @@ public class PlayerControl : MonoBehaviour
         _controller.move(velocity * Time.deltaTime);
     }
 
+    private void updateDashDirection()
+    {
+      float horizontalDashDirection = 0.0f;
+      if (Input.GetKey (goRightKeyCode))
+      {
+        horizontalDashDirection = 1.0f;
+      }
+      else if (Input.GetKey (goLeftKeyCode))
+      {
+        horizontalDashDirection = -1.0f;
+      }
+
+      float verticalDashDirection = 0.0f;
+
+      if (horizontalDashDirection != 0.0f || verticalDashDirection != 0.0f)
+        dashDirection = new Vector2(horizontalDashDirection, verticalDashDirection);
+    }
+
     private float getDashTime ()
     {
         return Time.time - lastDashStart;