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91 lines
2.4 KiB
91 lines
2.4 KiB
import 'dart:math' as math;
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import 'package:flame/components.dart';
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import 'package:flame/extensions.dart';
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import 'package:flame_forge2d/flame_forge2d.dart';
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import 'package:pinball/game/game.dart';
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/// {@template launcher_ramp}
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/// The yellow left ramp, where the [Ball] goes through when launched from the
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/// [Plunger].
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/// {@endtemplate}
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class LauncherRamp extends Component with HasGameRef<PinballGame> {
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/// {@macro launcher_ramp}
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LauncherRamp({
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required this.position,
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});
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/// The position of this [LauncherRamp].
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final Vector2 position;
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@override
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Future<void> onLoad() async {
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const layer = Layer.launcher;
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gameRef.addContactCallback(
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RampOpeningBallContactCallback<_LauncherRampOpening>(),
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);
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final straightPath = Pathway.straight(
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color: const Color.fromARGB(255, 34, 255, 0),
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start: Vector2(0, 0),
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end: Vector2(0, 700),
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width: 80,
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)
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..initialPosition = position
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..layer = layer;
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final curvedPath = Pathway.arc(
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color: const Color.fromARGB(255, 251, 255, 0),
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center: position + Vector2(-29, -8),
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radius: 300,
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angle: 10 * math.pi / 9,
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width: 80,
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)
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..initialPosition = position + Vector2(-28.8, -6)
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..layer = layer;
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final leftOpening = _LauncherRampOpening(rotation: 13 * math.pi / 180)
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..initialPosition = position + Vector2(-72.5, 12)
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..layer = Layer.opening;
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final rightOpening = _LauncherRampOpening(rotation: 0)
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..initialPosition = position + Vector2(-46.8, 17)
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..layer = Layer.opening;
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await addAll([
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straightPath,
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curvedPath,
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leftOpening,
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rightOpening,
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]);
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}
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}
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/// {@template launcher_ramp_opening}
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/// [RampOpening] with [Layer.launcher] to filter [Ball]s collisions
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/// inside [LauncherRamp].
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/// {@endtemplate}
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class _LauncherRampOpening extends RampOpening {
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/// {@macro launcher_ramp_opening}
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_LauncherRampOpening({
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required double rotation,
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}) : _rotation = rotation,
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super(
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pathwayLayer: Layer.launcher,
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orientation: RampOrientation.down,
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);
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final double _rotation;
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// TODO(ruialonso): Avoid magic number 3, should be propotional to
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// [JetpackRamp].
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static final Vector2 _size = Vector2(3, .1);
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@override
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Shape get shape => PolygonShape()
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..setAsBox(
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_size.x,
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_size.y,
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initialPosition,
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_rotation,
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);
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}
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