Update Joystick.cs

Assets/Joystick Pack/Scripts/Base/Joystick.cs

@@ -6,8 +6,8 @@ using UnityEngine.EventSystems;
 
 public class Joystick : MonoBehaviour, IPointerDownHandler, IDragHandler, IPointerUpHandler
 {
-    public float Horizontal { get { return (snapX) ? SnapFloat(input.x, AxisOptions.Horizontal) : input.x; } }
-    public float Vertical { get { return (snapY) ? SnapFloat(input.y, AxisOptions.Vertical) : input.y; } }
+    public float Horizontal { get { return SnapToDiscrete(input.x); } }
+    public float Vertical { get { return SnapToDiscrete(input.y); } }
     public Vector2 Direction { get { return new Vector2(Horizontal, Vertical); } }
 
     public float HandleRange
@@ -40,6 +40,7 @@ public class Joystick : MonoBehaviour, IPointerDownHandler, IDragHandler, IPoint
     private Camera cam;
 
     private Vector2 input = Vector2.zero;
+    private Vector2 previousSnappedInput = Vector2.zero;
 
     protected virtual void Start()
     {
@@ -60,8 +61,8 @@ public class Joystick : MonoBehaviour, IPointerDownHandler, IDragHandler, IPoint
 
     public virtual void OnPointerDown(PointerEventData eventData)
     {
+        previousSnappedInput = Vector2.zero;
         OnDrag(eventData);
-        EventBus.Publish(new JoystickPressEvent());
     }
 
     public void OnDrag(PointerEventData eventData)
@@ -76,6 +77,18 @@ public class Joystick : MonoBehaviour, IPointerDownHandler, IDragHandler, IPoint
         FormatInput();
         HandleInput(input.magnitude, input.normalized, radius, cam);
         handle.anchoredPosition = input * radius * handleRange;
+
+        // Send event when value changes to -1 or 1
+        Vector2 currentSnapped = new Vector2(Horizontal, Vertical);
+        if ((currentSnapped.x == -1 || currentSnapped.x == 1 || currentSnapped.y == -1 || currentSnapped.y == 1) &&
+            currentSnapped != previousSnappedInput)
+        {
+            EventBus.Publish(new JoystickPressEvent());
+        }
+        else if (currentSnapped == Vector2.zero && previousSnappedInput != Vector2.zero) {
+            EventBus.Publish(new JoystickRealeaseEvent());
+        }
+        previousSnappedInput = currentSnapped;
     }
 
     protected virtual void HandleInput(float magnitude, Vector2 normalised, Vector2 radius, Camera cam)
@@ -97,6 +110,14 @@ public class Joystick : MonoBehaviour, IPointerDownHandler, IDragHandler, IPoint
             input = new Vector2(0f, input.y);
     }
 
+    private float SnapToDiscrete(float value)
+    {
+        // Snap to -1, 1, or 0
+        if (value == 0)
+            return 0;
+        return value > 0 ? 1 : -1;
+    }
+
     private float SnapFloat(float value, AxisOptions snapAxis)
     {
         if (value == 0)
@@ -135,6 +156,7 @@ public class Joystick : MonoBehaviour, IPointerDownHandler, IDragHandler, IPoint
     {
         input = Vector2.zero;
         handle.anchoredPosition = Vector2.zero;
+        previousSnappedInput = Vector2.zero;
 
         EventBus.Publish(new JoystickRealeaseEvent());
     }