msb-public
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pinball
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refactor: create fixtures for pathways and opening improved

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pull/40/head
RuiAlonso 4 years ago
parent c20c4a550a
commit 9e1b1aa87c
7 changed files with 68 additions and 58 deletions
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10
lib/game/components/baseboard.dart
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@ -22,7 +22,7 @@ class Baseboard extends BodyComponent with InitialPosition {
final BoardSide _side;
List<FixtureDef> _createFixtureDefs() {
final fixtures = <FixtureDef>[];
final fixturesDef = <FixtureDef>[];
final circleShape1 = CircleShape()..radius = Baseboard.height / 2;
circleShape1.position.setValues(
@ -30,7 +30,7 @@ class Baseboard extends BodyComponent with InitialPosition {
0,
);
final circle1FixtureDef = FixtureDef(circleShape1);
fixtures.add(circle1FixtureDef);
fixturesDef.add(circle1FixtureDef);
final circleShape2 = CircleShape()..radius = Baseboard.height / 2;
circleShape2.position.setValues(
@ -38,7 +38,7 @@ class Baseboard extends BodyComponent with InitialPosition {
0,
);
final circle2FixtureDef = FixtureDef(circleShape2);
fixtures.add(circle2FixtureDef);
fixturesDef.add(circle2FixtureDef);
final rectangle = PolygonShape()
..setAsBoxXY(
@ -46,9 +46,9 @@ class Baseboard extends BodyComponent with InitialPosition {
Baseboard.height / 2,
);
final rectangleFixtureDef = FixtureDef(rectangle);
fixtures.add(rectangleFixtureDef);
fixturesDef.add(rectangleFixtureDef);
return fixtures;
return fixturesDef;
}
@override

10
lib/game/components/flipper.dart
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@ -131,7 +131,7 @@ class Flipper extends BodyComponent with KeyboardHandler, InitialPosition {
}
List<FixtureDef> _createFixtureDefs() {
final fixtures = <FixtureDef>[];
final fixturesDef = <FixtureDef>[];
final isLeft = side.isLeft;
final bigCircleShape = CircleShape()..radius = height / 2;
@ -142,7 +142,7 @@ class Flipper extends BodyComponent with KeyboardHandler, InitialPosition {
0,
);
final bigCircleFixtureDef = FixtureDef(bigCircleShape);
fixtures.add(bigCircleFixtureDef);
fixturesDef.add(bigCircleFixtureDef);
final smallCircleShape = CircleShape()..radius = bigCircleShape.radius / 2;
smallCircleShape.position.setValues(
@ -152,7 +152,7 @@ class Flipper extends BodyComponent with KeyboardHandler, InitialPosition {
0,
);
final smallCircleFixtureDef = FixtureDef(smallCircleShape);
fixtures.add(smallCircleFixtureDef);
fixturesDef.add(smallCircleFixtureDef);
final trapeziumVertices = isLeft
? [
@ -171,9 +171,9 @@ class Flipper extends BodyComponent with KeyboardHandler, InitialPosition {
final trapeziumFixtureDef = FixtureDef(trapezium)
..density = 50.0 // TODO(alestiago): Use a proper density.
..friction = .1; // TODO(alestiago): Use a proper friction.
fixtures.add(trapeziumFixtureDef);
fixturesDef.add(trapeziumFixtureDef);
return fixtures;
return fixturesDef;
}
@override

26
lib/game/components/jetpack_ramp.dart
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@ -17,6 +17,7 @@ class JetpackRamp extends Component with HasGameRef<PinballGame> {
final double _radius = 200;
final double _width = 80;
// TODO(ruialonso): Avoid using radians.
final double _angle = radians(210);
final double _rotation = radians(-10);
@ -40,8 +41,9 @@ class JetpackRamp extends Component with HasGameRef<PinballGame> {
radius: _radius,
angle: _angle,
rotation: _rotation,
layer: _layer,
)..initialPosition = position;
)
..initialPosition = position
..layer = _layer;
final leftOpening = JetpackRampOpening(
orientation: RampOrientation.down,
rotation: radians(15),
@ -84,17 +86,21 @@ class JetpackRampOpening extends RampOpening {
final double _rotation;
/// Size of the [RampOpening] placed at the entrance/exit of [JetpackRamp].
final int _size = 6;
// TODO(ruialonso): Avoid magic number 3, should be propotional to
// [JetpackRamp].
final Vector2 _size = Vector2(3, .1);
@override
RampOrientation get orientation => _orientation;
@override
Shape get shape => PolygonShape()
..set([
Vector2(-_size / 2, -.1)..rotate(_rotation),
Vector2(-_size / 2, .1)..rotate(_rotation),
Vector2(_size / 2, .1)..rotate(_rotation),
Vector2(_size / 2, -.1)..rotate(_rotation),
]);
Shape get shape {
final area = PolygonShape()..setAsBoxXY(_size.x, _size.y);
// TODO(alestiago): Use shape.rotate() once it's implemented.
for (final vertex in area.vertices) {
vertex.rotate(_rotation);
}
return area;
}
}

34
lib/game/components/launcher_ramp.dart
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@ -24,6 +24,8 @@ class LauncherRamp extends Component with HasGameRef<PinballGame> {
/// The position of this [LauncherRamp]
final Vector2 position;
static const _layer = Layer.launcher;
@override
Future<void> onLoad() async {
gameRef.addContactCallback(
@ -35,16 +37,18 @@ class LauncherRamp extends Component with HasGameRef<PinballGame> {
start: Vector2(0, 0),
end: Vector2(0, 600),
width: 80,
layer: Layer.launcher,
)..initialPosition = position;
)
..initialPosition = position
..layer = _layer;
final curvedPath = Pathway.arc(
color: const Color.fromARGB(255, 251, 255, 0),
center: position + Vector2(-28.8, -6),
radius: _radius,
angle: _angle,
width: _width,
layer: Layer.launcher,
)..initialPosition = position + Vector2(-28.8, -6);
)
..initialPosition = position + Vector2(-28.8, -6)
..layer = _layer;
final leftOpening = LauncherRampOpening(
orientation: RampOrientation.down,
rotation: radians(13),
@ -86,18 +90,22 @@ class LauncherRampOpening extends RampOpening {
/// entrance/exit of [LauncherRamp].
final double _rotation;
/// Size of the [RampOpening] placed at the entrance/exit of [LauncherRamp].
final int _size = 6;
/// Size of the [RampOpening] placed at the entrance/exit of [JetpackRamp].
// TODO(ruialonso): Avoid magic number 3, should be propotional to
// [JetpackRamp].
final Vector2 _size = Vector2(3, .1);
@override
RampOrientation get orientation => _orientation;
@override
Shape get shape => PolygonShape()
..set([
Vector2(-_size / 2, -.1)..rotate(_rotation),
Vector2(-_size / 2, .1)..rotate(_rotation),
Vector2(_size / 2, .1)..rotate(_rotation),
Vector2(_size / 2, -.1)..rotate(_rotation),
]);
Shape get shape {
final area = PolygonShape()..setAsBoxXY(_size.x, _size.y);
// TODO(alestiago): Use shape.rotate() once it's implemented.
for (final vertex in area.vertices) {
vertex.rotate(_rotation);
}
return area;
}
}

4
lib/game/components/layer.dart
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@ -11,7 +11,7 @@ import 'package:pinball/game/game.dart';
/// bodies with a different bit value.
/// {@endtemplate}
mixin Layered<T extends Forge2DGame> on BodyComponent<T> {
Layer _layer = Layer.board;
Layer _layer = Layer.all;
/// Sets [Filter] category and mask bits for the [BodyComponent].
Layer get layer => _layer;
@ -19,7 +19,7 @@ mixin Layered<T extends Forge2DGame> on BodyComponent<T> {
set layer(Layer value) {
_layer = value;
if (!isLoaded) {
// TODO(erickzanardo): Use loaded.whenComplete once provided.
// TODO(alestiago): Use loaded.whenComplete once provided.
mounted.whenComplete(() => layer = value);
} else {
for (final fixture in body.fixtures) {

34
lib/game/components/pathway.dart
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@ -9,14 +9,12 @@ import 'package:pinball/game/game.dart';
///
/// [BodyComponent]s such as a Ball can collide and move along a [Pathway].
/// {@endtemplate}
class Pathway extends BodyComponent with InitialPosition {
class Pathway extends BodyComponent with InitialPosition, Layered {
Pathway._({
// TODO(ruialonso): remove color when assets added.
Color? color,
required List<List<Vector2>> paths,
Layer? layer,
}) : _paths = paths,
_layer = layer {
}) : _paths = paths {
paint = Paint()
..color = color ?? const Color.fromARGB(0, 0, 0, 0)
..style = PaintingStyle.stroke;
@ -35,7 +33,6 @@ class Pathway extends BodyComponent with InitialPosition {
required double width,
double rotation = 0,
bool singleWall = false,
Layer? layer,
}) {
final paths = <List<Vector2>>[];
@ -57,7 +54,6 @@ class Pathway extends BodyComponent with InitialPosition {
return Pathway._(
color: color,
paths: paths,
layer: layer,
);
}
@ -81,7 +77,6 @@ class Pathway extends BodyComponent with InitialPosition {
required double angle,
double rotation = 0,
bool singleWall = false,
Layer? layer,
}) {
final paths = <List<Vector2>>[];
@ -107,7 +102,6 @@ class Pathway extends BodyComponent with InitialPosition {
return Pathway._(
color: color,
paths: paths,
layer: layer,
);
}
@ -126,7 +120,6 @@ class Pathway extends BodyComponent with InitialPosition {
required double width,
double rotation = 0,
bool singleWall = false,
Layer? layer,
}) {
final paths = <List<Vector2>>[];
@ -148,28 +141,31 @@ class Pathway extends BodyComponent with InitialPosition {
return Pathway._(
color: color,
paths: paths,
layer: layer,
);
}
final List<List<Vector2>> _paths;
Layer? _layer;
@override
Body createBody() {
final bodyDef = BodyDef()..position = initialPosition;
final body = world.createBody(bodyDef);
List<FixtureDef> _createFixtureDefs() {
final fixturesDef = <FixtureDef>[];
for (final path in _paths) {
final chain = ChainShape()
..createChain(
path.map(gameRef.screenToWorld).toList(),
);
final fixtureDef = FixtureDef(chain);
body.createFixture(fixtureDef).filterData.categoryBits =
_layer?.maskBits ?? Layer.board.maskBits;
fixturesDef.add(FixtureDef(chain));
}
return fixturesDef;
}
@override
Body createBody() {
final bodyDef = BodyDef()..position = initialPosition;
final body = world.createBody(bodyDef);
_createFixtureDefs().forEach(body.createFixture);
return body;
}
}

8
lib/game/components/sling_shot.dart
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@ -34,7 +34,7 @@ class SlingShot extends BodyComponent with InitialPosition {
static final Vector2 size = Vector2(6, 8);
List<FixtureDef> _createFixtureDefs() {
final fixtures = <FixtureDef>[];
final fixturesDef = <FixtureDef>[];
// TODO(alestiago): This magic number can be deduced by specifying the
// angle and using polar coordinate system to place the bottom right
@ -65,7 +65,7 @@ class SlingShot extends BodyComponent with InitialPosition {
final triangle = PolygonShape()..set(triangleVertices);
final triangleFixtureDef = FixtureDef(triangle)..friction = 0;
fixtures.add(triangleFixtureDef);
fixturesDef.add(triangleFixtureDef);
final kicker = EdgeShape()
..set(
@ -76,9 +76,9 @@ class SlingShot extends BodyComponent with InitialPosition {
final kickerFixtureDef = FixtureDef(kicker)
..restitution = 10.0
..friction = 0;
fixtures.add(kickerFixtureDef);
fixturesDef.add(kickerFixtureDef);
return fixtures;
return fixturesDef;
}
@override

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