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95 lines
2.7 KiB
95 lines
2.7 KiB
import 'dart:math' as math;
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import 'package:flame_forge2d/flame_forge2d.dart';
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import 'package:pinball_components/pinball_components.dart';
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/// {@template baseboard}
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/// Wing-shaped board piece to corral the [Ball] towards the [Flipper]s.
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/// {@endtemplate}
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class Baseboard extends BodyComponent with InitialPosition {
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/// {@macro baseboard}
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Baseboard({
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required BoardSide side,
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}) : _side = side;
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/// The size of the [Baseboard].
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static final size = Vector2(24.2, 13.5);
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/// Whether the [Baseboard] is on the left or right side of the board.
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final BoardSide _side;
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List<FixtureDef> _createFixtureDefs() {
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final fixturesDef = <FixtureDef>[];
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final direction = _side.direction;
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final arcsAngle = -1.11 * direction;
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const arcsRotation = math.pi / 2.08;
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final topCircleShape = CircleShape()..radius = 0.7;
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topCircleShape.position.setValues(11.39 * direction, 6.05);
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final topCircleFixtureDef = FixtureDef(topCircleShape);
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fixturesDef.add(topCircleFixtureDef);
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final innerEdgeShape = EdgeShape()
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..set(
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Vector2(10.86 * direction, 6.45),
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Vector2(6.96 * direction, 0.25),
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);
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final innerEdgeShapeFixtureDef = FixtureDef(innerEdgeShape);
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fixturesDef.add(innerEdgeShapeFixtureDef);
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final outerEdgeShape = EdgeShape()
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..set(
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Vector2(11.96 * direction, 5.85),
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Vector2(5.48 * direction, -4.85),
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);
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final outerEdgeShapeFixtureDef = FixtureDef(outerEdgeShape);
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fixturesDef.add(outerEdgeShapeFixtureDef);
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final upperArcShape = ArcShape(
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center: Vector2(1.76 * direction, 3.25),
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arcRadius: 6.1,
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angle: arcsAngle,
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rotation: arcsRotation,
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);
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final upperArcFixtureDefs = FixtureDef(upperArcShape);
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fixturesDef.add(upperArcFixtureDefs);
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final lowerArcShape = ArcShape(
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center: Vector2(1.85 * direction, -2.15),
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arcRadius: 4.5,
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angle: arcsAngle,
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rotation: arcsRotation,
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);
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final lowerArcFixtureDefs = FixtureDef(lowerArcShape);
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fixturesDef.add(lowerArcFixtureDefs);
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final bottomRectangle = PolygonShape()
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..setAsBox(
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7,
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2,
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Vector2(-5.14 * direction, -4.75),
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0,
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);
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final bottomRectangleFixtureDef = FixtureDef(bottomRectangle);
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fixturesDef.add(bottomRectangleFixtureDef);
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return fixturesDef;
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}
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@override
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Body createBody() {
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// TODO(allisonryan0002): share sweeping angle with flipper when components
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// are grouped.
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const angle = math.pi / 5;
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final bodyDef = BodyDef()
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..position = initialPosition
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..angle = _side.isLeft ? -angle : angle;
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final body = world.createBody(bodyDef);
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_createFixtureDefs().forEach(body.createFixture);
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return body;
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}
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}
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