Files
flame/examples/lib/stories/rendering/rich_text_example.dart
Luan Nico b79fee0ae2 chore: Update min Dart constraint to 3.8 (#3676)
Update min Dart constraint to 3.8, which will enable us to use the
fancier collection literals.

This requires bumping the min Flutter version as well:

<img width="1892" height="1122" alt="image"
src="https://github.com/user-attachments/assets/7c7b07fc-4d96-4987-824d-9a7133ecfb85"
/>
2025-08-10 12:42:31 -04:00

91 lines
2.9 KiB
Dart

import 'package:flame/components.dart';
import 'package:flame/game.dart';
import 'package:flame/text.dart';
import 'package:flutter/painting.dart';
class RichTextExample extends FlameGame {
final TextAlign textAlign;
RichTextExample({this.textAlign = TextAlign.left});
static const String description =
'A non-interactive example of how to render rich text in Flame.';
@override
Color backgroundColor() => const Color(0xFF888888);
@override
Future<void> onLoad() async {
final style = DocumentStyle(
width: 400,
height: 200,
padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 14),
background: BackgroundStyle(
color: const Color(0xFF4E322E),
borderColor: const Color(0xFF000000),
borderWidth: 2.0,
),
paragraph: BlockStyle(
padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
textAlign: textAlign,
background: BackgroundStyle(
color: const Color(0xFF004D40),
borderColor: const Color(0xFFAAAAAA),
),
),
header1: BlockStyle(
textAlign: textAlign,
),
);
final document = DocumentRoot([
HeaderNode.simple('1984', level: 1),
ParagraphNode.simple(
'Anything could be true. The so-called laws of nature were nonsense.',
),
ParagraphNode.simple(
'The law of gravity was nonsense. "If I wished," O\'Brien had said, '
'"I could float off this floor like a soap bubble." Winston worked it '
'out. "If he thinks he floats off the floor, and I simultaneously '
'think I can see him do it, then the thing happens."',
),
ParagraphNode.group([
PlainTextNode(
'Suddenly, like a lump of submerged wreckage breaking the surface '
'of water, the thought burst into his mind: ',
),
ItalicTextNode.group([
PlainTextNode('"It doesn\'t really happen. We imagine it. It is '),
BoldTextNode.simple('hallucination'),
PlainTextNode('."'),
]),
]),
ParagraphNode.group([
PlainTextNode(
'He pushed the thought under instantly. The fallacy was obvious. It '
'presupposed that somewhere or other, outside oneself, there was a '
'"',
),
CodeTextNode.simple('real'),
PlainTextNode(
'" world where "',
),
CodeTextNode.simple('real'),
PlainTextNode(
'" things happened. But how could there be '
'such a world? What knowledge have we of anything, save through our '
'own minds? All happenings are in the mind. Whatever happens in all '
'minds, truly happens.',
),
]),
]);
add(
TextElementComponent.fromDocument(
document: document,
style: style,
position: Vector2(100, 50),
),
);
}
}