feat: Added toString method to all the drags events message handlers (#2014)

Added toString method to all Drag Event message Handlers in flame/lib/src/events/messages/ which were returning pure data objects and were not much meaningful

packages/flame/lib/src/events/messages/drag_cancel_event.dart

@@ -11,4 +11,7 @@ class DragCancelEvent extends Event {
   final int pointerId;
 
   DragEndEvent toDragEnd() => DragEndEvent(pointerId, DragEndDetails());
+
+  @override
+  String toString() => 'DragCancelEvent(pointerId: $pointerId)';
 }

packages/flame/lib/src/events/messages/drag_end_event.dart

@@ -20,4 +20,8 @@ class DragEndEvent extends Event {
       ),
     );
   }
+
+  @override
+  String toString() =>
+      'DragEndEvent(pointerId: $pointerId, velocity: $velocity)';
 }

packages/flame/lib/src/events/messages/drag_start_event.dart

@@ -34,4 +34,9 @@ class DragStartEvent extends PositionEvent {
       ),
     );
   }
+
+  @override
+  String toString() => 'DragStartEvent(canvasPosition: $canvasPosition, '
+      'devicePosition: $devicePosition, '
+      'pointedId: $pointerId, deviceKind: $deviceKind)';
 }

packages/flame/lib/src/events/messages/drag_update_event.dart

@@ -36,4 +36,10 @@ class DragUpdateEvent extends PositionEvent {
       ),
     );
   }
+
+  @override
+  String toString() => 'DragUpdateEvent(devicePosition: $devicePosition, '
+      'canvasPosition: $canvasPosition, '
+      'delta: $delta, '
+      'pointerId: $pointerId, timestamp: $timestamp)';
 }

packages/flame/lib/src/events/messages/tap_cancel_event.dart

@@ -19,4 +19,7 @@ class TapCancelEvent extends Event {
   /// The id of the event that has been cancelled. This id corresponds to the
   /// id of the previous [TapDownEvent].
   final int pointerId;
+
+  @override
+  String toString() => 'TapCancelEvent(pointerId: $pointerId)';
 }

packages/flame/lib/src/events/messages/tap_down_event.dart

@@ -44,4 +44,9 @@ class TapDownEvent extends PositionEvent {
       ),
     );
   }
+
+  @override
+  String toString() => 'TapDownEvent(canvasPosition: $canvasPosition, '
+      'devicePosition: $devicePosition, '
+      'pointerId: $pointerId, deviceKind: $deviceKind)';
 }

packages/flame/lib/src/events/messages/tap_up_event.dart

@@ -36,4 +36,9 @@ class TapUpEvent extends PositionEvent {
       ),
     );
   }
+
+  @override
+  String toString() => 'TapUpEvent(canvasPosition: $canvasPosition, '
+      'devicePosition: $devicePosition, '
+      'pointerId: $pointerId, deviceKind: $deviceKind)';
 }

tutorials/space_shooter/lib/steps/1_getting_started/1_flame_game/code.dart

@@ -4,7 +4,6 @@ import 'package:flutter/material.dart';
 
 class Player extends PositionComponent {
   static final _paint = Paint()..color = Colors.white;
-
   @override
   void render(Canvas canvas) {
     canvas.drawRect(size.toRect(), _paint);