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42 lines
1.1 KiB
42 lines
1.1 KiB
import 'package:flame_forge2d/body_component.dart';
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import 'package:flame_forge2d/flame_forge2d.dart';
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import 'package:flame_forge2d/forge2d_game.dart';
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import 'package:forge2d/forge2d.dart';
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List<Wall> createBoundaries(Forge2DGame game) {
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final topLeft = Vector2.zero();
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final bottomRight = game.screenToWorld(game.camera.viewport.effectiveSize);
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final topRight = Vector2(bottomRight.x, topLeft.y);
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final bottomLeft = Vector2(topLeft.x, bottomRight.y);
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return [
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Wall(topLeft, topRight),
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Wall(topRight, bottomRight),
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Wall(bottomRight, bottomLeft),
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Wall(bottomLeft, topLeft),
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];
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}
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class Wall extends BodyComponent {
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Wall(this.start, this.end);
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final Vector2 start;
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final Vector2 end;
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@override
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Body createBody() {
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final shape = EdgeShape()..set(start, end);
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final fixtureDef = FixtureDef(shape)
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..restitution = 0.0
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..friction = 0.3;
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final bodyDef = BodyDef()
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..userData = this
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..position = Vector2.zero()
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..type = BodyType.static;
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return world.createBody(bodyDef)..createFixture(fixtureDef);
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}
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}
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