Fix examples dart version to allow extensions

doc/examples/animation_widget/pubspec.yaml

@@ -4,7 +4,7 @@ description: A sample Flame project to showcase the SpriteAnimationWidget widget
 version: 0.1.0
 
 environment:
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/animations/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game showcasing animations features
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/aseprite/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample for using Aseprite animations
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/audiopool/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flame example application showcasing the audiopool class
 version: 0.1.0
 
 environment:
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/debug/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample for using debug features
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/effects/combined_effects/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game showcasing combined effects
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/effects/infinite_effects/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game showcasing infinite effects
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/effects/sequence_effect/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game showcasing the sequence effect
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/effects/simple/pubspec.yaml

@@ -4,7 +4,7 @@ description: A Flame game showcasing the use of the effects api
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/gestures/lib/main_mouse_movement.dart

@@ -47,7 +47,7 @@ class MyGame extends Game with MouseMovementDetector {
 
       if (!_onTarget) {
         final dir = (target - position).normalized();
-        position += (SPEED * dt) * dir;
+        position += dir * (SPEED * dt);
       }
     }
   }

doc/examples/gestures/lib/main_scroll.dart

@@ -38,7 +38,7 @@ class MyGame extends Game with ScrollDetector {
   void update(double dt) {
     if (target != null) {
       final dir = (target - position).normalized();
-      position += (SPEED * dt) * dir;
+      position += dir * (SPEED * dt);
     }
   }
 }

doc/examples/gestures/pubspec.yaml

@@ -4,7 +4,7 @@ description: A flame game showcasing the use of gestures callbacks
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/go_desktop/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game on using the go flutter desktop framework
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/isometric/pubspec.yaml

@@ -4,7 +4,7 @@ description: Example of isometric tilemap using Flame
 version: 0.1.0
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/joystick/pubspec.yaml

@@ -4,7 +4,7 @@ description: A flame game showcasing the use of joystick
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/keyboard/pubspec.yaml

@@ -4,7 +4,7 @@ description: Simple Flame project showcasing how to use the Keyboard events
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/nine_tile_box/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample for using the nine_tile_box feature
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/parallax/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game showcasing the parallax features
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/particles/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game showcasing particle effects
 version: 1.0.0
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/render_flip/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game showcasing animations features
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/sound/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flame example application showcasing the audio features
 version: 0.1.0
 
 environment:
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/sprite_batch/pubspec.yaml

@@ -4,7 +4,7 @@ description: Showcasing SpriteBatch features
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/sprites/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game showcasing rendering 500 sprites
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/spritesheet/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flame sample game showcasing spritesheet features
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/text/pubspec.yaml

@@ -4,7 +4,7 @@ description: A sample Flame project that renders texts.
 version: 0.1.0
 
 environment:
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/timer/pubspec.yaml

@@ -4,7 +4,7 @@ description: Example app using Timer class
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/widgets/pubspec.yaml

@@ -4,7 +4,7 @@ description: A Flutter project showcasing Flame's widgets.
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter:

doc/examples/with_widgets_overlay/pubspec.yaml

@@ -4,7 +4,7 @@ description: A Flame game showcasing how to use the WithWidgetsOverlay feature
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
 
 dependencies:
   flutter: