From 45e4a45e9f53786d40ecee307b72544ae034d87c Mon Sep 17 00:00:00 2001
From: RuiAlonso <rui.alonso@verygood.ventures>
Date: Tue, 29 Mar 2022 15:20:51 +0200
Subject: [PATCH] feat: added dino walls

---
 lib/game/components/wall.dart | 129 +++++++++++++++++++++++++++++++++-
 lib/game/pinball_game.dart    |  15 ++++
 2 files changed, 143 insertions(+), 1 deletion(-)

diff --git a/lib/game/components/wall.dart b/lib/game/components/wall.dart
index 0fb57a41..e44de4a8 100644
--- a/lib/game/components/wall.dart
+++ b/lib/game/components/wall.dart
@@ -1,7 +1,8 @@
 // ignore_for_file: avoid_renaming_method_parameters
-
+import 'dart:math' as math;
 import 'package:flame/extensions.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flutter/material.dart';
 import 'package:pinball/game/components/components.dart';
 import 'package:pinball/game/pinball_game.dart';
 import 'package:pinball_components/pinball_components.dart';
@@ -81,3 +82,129 @@ class BottomWallBallContactCallback extends ContactCallback<Ball, BottomWall> {
     ball.controller.lost();
   }
 }
+
+/// {@template dino_top_wall}
+/// Wall located above dino, at the right of the board.
+/// {@endtemplate}
+class DinoTopWall extends BodyComponent with InitialPosition {
+  ///{@macro dino_top_wall}
+  DinoTopWall() : super(priority: 2) {
+    // TODO(ruimiguel): remove color once sprites are added.
+    paint = Paint()
+      ..color = const Color.fromARGB(255, 3, 188, 249)
+      ..style = PaintingStyle.stroke;
+  }
+
+  List<FixtureDef> _createFixtureDefs() {
+    final fixturesDef = <FixtureDef>[];
+
+    final wallPerspectiveAngle =
+        PinballGame.boardPerspectiveAngle + math.pi / 2;
+
+    final topCurveShape = BezierCurveShape(
+      controlPoints: [
+        Vector2(0, 0),
+        Vector2(0, 8),
+        Vector2(8, 8),
+        Vector2(15, 0),
+      ],
+    )..rotate(wallPerspectiveAngle);
+    final topFixtureDef = FixtureDef(topCurveShape)
+      ..restitution = 0.1
+      ..friction = 0;
+    fixturesDef.add(topFixtureDef);
+
+    final mediumCurveShape = BezierCurveShape(
+      controlPoints: [
+        Vector2(0 - 5, 0),
+        Vector2(0 - 5, 8),
+        Vector2(3 - 5, 8),
+        Vector2(7 - 5, 0),
+      ],
+    )..rotate(wallPerspectiveAngle);
+    final mediumFixtureDef = FixtureDef(mediumCurveShape)
+      ..restitution = 0.1
+      ..friction = 0;
+    fixturesDef.add(mediumFixtureDef);
+
+    return fixturesDef;
+  }
+
+  @override
+  Body createBody() {
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = initialPosition
+      ..type = BodyType.static;
+
+    final body = world.createBody(bodyDef);
+    _createFixtureDefs().forEach(body.createFixture);
+
+    return body;
+  }
+}
+
+/// {@template dino_bottom_wall}
+/// Wall located below dino, at the right of the board.
+/// {@endtemplate}
+class DinoBottomWall extends BodyComponent with InitialPosition {
+  /// {@macro dino_bottom_wall}
+  DinoBottomWall() : super(priority: 2) {
+    // TODO(ruimiguel): remove color once sprites are added.
+    paint = Paint()
+      ..color = const Color.fromARGB(255, 3, 188, 249)
+      ..style = PaintingStyle.stroke;
+  }
+
+  List<FixtureDef> _createFixtureDefs() {
+    final fixturesDef = <FixtureDef>[];
+
+    final wallPerspectiveAngle =
+        PinballGame.boardPerspectiveAngle + math.pi / 2;
+
+    final topVertices = [
+      Vector2(0, 0),
+      Vector2(0, 5),
+      Vector2(-2, 8),
+      Vector2(-10, 6),
+      Vector2(-20, 4),
+      Vector2(-20, 0),
+    ]..forEach((point) {
+        point.rotate(wallPerspectiveAngle);
+      });
+    final topWallShape = PolygonShape()..set(topVertices);
+    final topWallFixtureDef = FixtureDef(topWallShape)
+      ..restitution = 0.1
+      ..friction = 0;
+    fixturesDef.add(topWallFixtureDef);
+
+    final bottomVertices = [
+      Vector2(0 - 20, 0),
+      Vector2(0 - 20, 4),
+      Vector2(-40 - 20, 4),
+      Vector2(-40 - 20, 0),
+    ]..forEach((point) {
+        point.rotate(wallPerspectiveAngle);
+      });
+    final bottomWallShape = PolygonShape()..set(bottomVertices);
+    final bottomWallFixtureDef = FixtureDef(bottomWallShape)
+      ..restitution = 0.1
+      ..friction = 0;
+    fixturesDef.add(bottomWallFixtureDef);
+
+    return fixturesDef;
+  }
+
+  @override
+  Body createBody() {
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = initialPosition
+      ..type = BodyType.static;
+
+    final body = world.createBody(bodyDef);
+    _createFixtureDefs().forEach(body.createFixture);
+
+    return body;
+  }
+}
diff --git a/lib/game/pinball_game.dart b/lib/game/pinball_game.dart
index 2a8ddd42..7b630a41 100644
--- a/lib/game/pinball_game.dart
+++ b/lib/game/pinball_game.dart
@@ -61,6 +61,21 @@ class PinballGame extends Forge2DGame
   Future<void> _addGameBoundaries() async {
     await add(BottomWall());
     createBoundaries(this).forEach(add);
+    await add(
+      DinoTopWall()
+        ..initialPosition = Vector2(
+          boardBounds.center.dx + 30,
+          boardBounds.center.dy + 20,
+        ),
+    );
+
+    await add(
+      DinoBottomWall()
+        ..initialPosition = Vector2(
+          boardBounds.center.dx + 31.5,
+          boardBounds.center.dy + 8,
+        ),
+    );
   }
 
   Future<void> _addPlunger() async {