mirror of https://github.com/flutter/pinball.git
parent
09464347ef
commit
b0e8a3be14
@ -1,5 +1,6 @@
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export 'anchor.dart';
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export 'ball.dart';
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export 'path.dart';
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export 'plunger.dart';
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export 'score_points.dart';
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export 'wall.dart';
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@ -0,0 +1,141 @@
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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:flutter/material.dart';
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import 'package:maths/maths.dart';
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class Path extends BodyComponent {
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Path._({
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Color? color,
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required Vector2 position,
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required List<List<Vector2>> paths,
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}) : _position = position,
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_paths = paths {
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if (color != null) {
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paint = Paint()
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..color = color
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..style = PaintingStyle.stroke;
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}
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}
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factory Path.straight({
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Color? color,
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required Vector2 position,
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required Vector2 start,
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required Vector2 end,
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required double pathWidth,
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double rotation = 0,
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bool onlyOneWall = false,
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}) {
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final paths = <List<Vector2>>[];
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final wall1 = [
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start.clone(),
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end.clone(),
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];
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paths.add(wall1.map((e) => e..rotate(radians(rotation))).toList());
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if (!onlyOneWall) {
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final wall2 = [
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start + Vector2(pathWidth, 0),
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end + Vector2(pathWidth, 0),
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];
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paths.add(wall2.map((e) => e..rotate(radians(rotation))).toList());
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}
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return Path._(
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color: color,
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position: position,
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paths: paths,
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);
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}
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factory Path.arc({
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Color? color,
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required Vector2 position,
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required double pathWidth,
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required double radius,
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required double angle,
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double rotation = 0,
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bool onlyOneWall = false,
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}) {
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final paths = <List<Vector2>>[];
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final wall1 = calculateArc(
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center: position,
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radius: radius,
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angle: angle,
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offsetAngle: rotation,
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);
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paths.add(wall1);
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if (!onlyOneWall) {
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final minRadius = radius - pathWidth;
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final wall2 = calculateArc(
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center: position,
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radius: minRadius,
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angle: angle,
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offsetAngle: rotation,
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);
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paths.add(wall2);
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}
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return Path._(
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color: color,
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position: position,
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paths: paths,
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);
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}
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factory Path.bezierCurve({
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Color? color,
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required Vector2 position,
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required List<Vector2> controlPoints,
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required double pathWidth,
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double rotation = 0,
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bool onlyOneWall = false,
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}) {
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final paths = <List<Vector2>>[];
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final wall1 = calculateBezierCurve(controlPoints: controlPoints);
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paths.add(wall1.map((e) => e..rotate(radians(rotation))).toList());
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var wall2 = <Vector2>[];
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if (!onlyOneWall) {
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wall2 = calculateBezierCurve(
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controlPoints: controlPoints
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.map((e) => e + Vector2(pathWidth, -pathWidth))
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.toList(),
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);
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paths.add(wall2.map((e) => e..rotate(radians(rotation))).toList());
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}
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return Path._(
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color: color,
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position: position,
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paths: paths,
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);
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}
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final Vector2 _position;
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final List<List<Vector2>> _paths;
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@override
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Body createBody() {
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final bodyDef = BodyDef()
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..type = BodyType.static
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..position = _position;
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final body = world.createBody(bodyDef);
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for (final path in _paths) {
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final chain = ChainShape()
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..createChain(
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path.map((e) => gameRef.screenToWorld(e)).toList(),
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);
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final fixtureDef = FixtureDef(chain);
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body.createFixture(fixtureDef);
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}
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return body;
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}
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}
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