feat(arena): 결과 패널 및 소멸 애니메이션 위젯 추가

- ArenaResultPanel: 전투 결과 표시 패널
- AsciiDisintegrateWidget: ASCII 소멸 애니메이션 효과
- ArenaBattleScreen 개선
This commit is contained in:
JiWoong Sul
2026-01-06 18:57:29 +09:00
parent 8d51263b2e
commit f18f3ceaee
3 changed files with 856 additions and 27 deletions

View File

@@ -7,7 +7,9 @@ import 'package:asciineverdie/src/core/model/arena_match.dart';
import 'package:asciineverdie/src/core/model/combat_event.dart'; import 'package:asciineverdie/src/core/model/combat_event.dart';
import 'package:asciineverdie/src/core/model/game_state.dart'; import 'package:asciineverdie/src/core/model/game_state.dart';
import 'package:asciineverdie/src/core/model/hall_of_fame.dart'; import 'package:asciineverdie/src/core/model/hall_of_fame.dart';
import 'package:asciineverdie/src/features/arena/widgets/arena_result_dialog.dart'; import 'package:asciineverdie/src/core/animation/race_character_frames.dart';
import 'package:asciineverdie/src/features/arena/widgets/arena_result_panel.dart';
import 'package:asciineverdie/src/features/arena/widgets/ascii_disintegrate_widget.dart';
import 'package:asciineverdie/src/features/game/widgets/ascii_animation_card.dart'; import 'package:asciineverdie/src/features/game/widgets/ascii_animation_card.dart';
import 'package:asciineverdie/src/features/game/widgets/combat_log.dart'; import 'package:asciineverdie/src/features/game/widgets/combat_log.dart';
import 'package:asciineverdie/src/shared/retro_colors.dart'; import 'package:asciineverdie/src/shared/retro_colors.dart';
@@ -88,6 +90,9 @@ class _ArenaBattleScreenState extends State<ArenaBattleScreen>
/// 현재 표시 중인 스킬 이름 /// 현재 표시 중인 스킬 이름
String? _currentSkillName; String? _currentSkillName;
/// 전투 종료 여부 (결과 패널 표시용)
bool _isFinished = false;
@override @override
void initState() { void initState() {
super.initState(); super.initState();
@@ -374,20 +379,19 @@ class _ArenaBattleScreenState extends State<ArenaBattleScreen>
// 최종 결과 계산 // 최종 결과 계산
_result = _arenaService.executeCombat(widget.match); _result = _arenaService.executeCombat(widget.match);
// 결과 다이얼로그 표시 // 전투 종료 상태로 전환 (인라인 결과 패널 표시)
Future.delayed(const Duration(milliseconds: 500), () { setState(() {
if (mounted && _result != null) { _isFinished = true;
showArenaResultDialog(
context,
result: _result!,
onClose: () {
widget.onBattleComplete(_result!);
},
);
}
}); });
} }
/// Continue 버튼 콜백
void _handleContinue() {
if (_result != null) {
widget.onBattleComplete(_result!);
}
}
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return Scaffold( return Scaffold(
@@ -413,23 +417,17 @@ class _ArenaBattleScreenState extends State<ArenaBattleScreen>
_buildRetroHpBars(), _buildRetroHpBars(),
// 전투 이벤트 아이콘 (HP 바와 애니메이션 사이) // 전투 이벤트 아이콘 (HP 바와 애니메이션 사이)
_buildCombatEventIcons(), _buildCombatEventIcons(),
// ASCII 애니메이션 (중앙) - 기존 AsciiAnimationCard 재사용 // ASCII 애니메이션 (전투 중 / 종료 분기)
Padding( _buildBattleArea(),
padding: const EdgeInsets.symmetric(horizontal: 8),
child: SizedBox(
height: 120,
child: AsciiAnimationCard(
taskType: TaskType.kill,
raceId: widget.match.challenger.race,
shieldName: _hasShield(widget.match.challenger) ? 'shield' : null,
opponentRaceId: widget.match.opponent.race,
opponentHasShield: _hasShield(widget.match.opponent),
latestCombatEvent: _latestCombatEvent,
),
),
),
// 로그 영역 (남은 공간 채움) // 로그 영역 (남은 공간 채움)
Expanded(child: _buildBattleLog()), Expanded(child: _buildBattleLog()),
// 결과 패널 (전투 종료 시)
if (_isFinished && _result != null)
ArenaResultPanel(
result: _result!,
turnCount: _currentTurn,
onContinue: _handleContinue,
),
], ],
), ),
), ),
@@ -443,6 +441,141 @@ class _ArenaBattleScreenState extends State<ArenaBattleScreen>
return equipment.any((item) => item.slot.name == 'shield'); return equipment.any((item) => item.slot.name == 'shield');
} }
/// 전투 영역 (전투 중 / 종료 분기)
Widget _buildBattleArea() {
if (_isFinished && _result != null) {
return _buildFinishedBattleArea();
}
return _buildActiveBattleArea();
}
/// 활성 전투 영역 (기존 AsciiAnimationCard)
Widget _buildActiveBattleArea() {
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 8),
child: SizedBox(
height: 120,
child: AsciiAnimationCard(
taskType: TaskType.kill,
raceId: widget.match.challenger.race,
shieldName: _hasShield(widget.match.challenger) ? 'shield' : null,
opponentRaceId: widget.match.opponent.race,
opponentHasShield: _hasShield(widget.match.opponent),
latestCombatEvent: _latestCombatEvent,
),
),
);
}
/// 종료된 전투 영역 (승자 유지 + 패자 분해)
Widget _buildFinishedBattleArea() {
final isVictory = _result!.isVictory;
final winnerRaceId =
isVictory ? widget.match.challenger.race : widget.match.opponent.race;
final loserRaceId =
isVictory ? widget.match.opponent.race : widget.match.challenger.race;
// 패자 캐릭터 프레임 (idle 첫 프레임)
final loserFrameData = RaceCharacterFrames.get(loserRaceId) ??
RaceCharacterFrames.defaultFrames;
final loserLines = loserFrameData.idle.first.lines;
// 승자 캐릭터 프레임 (idle 첫 프레임)
final winnerFrameData = RaceCharacterFrames.get(winnerRaceId) ??
RaceCharacterFrames.defaultFrames;
final winnerLines = winnerFrameData.idle.first.lines;
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 8),
child: SizedBox(
height: 120,
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
// 좌측: 도전자 (승자면 유지, 패자면 분해)
Expanded(
child: Center(
child: isVictory
? _buildStaticCharacter(winnerLines, false)
: AsciiDisintegrateWidget(
characterLines: _mirrorLines(loserLines),
),
),
),
// 중앙 VS
Text(
'VS',
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 10,
color: RetroColors.goldOf(context).withValues(alpha: 0.5),
),
),
// 우측: 상대 (승자면 유지, 패자면 분해)
Expanded(
child: Center(
child: isVictory
? AsciiDisintegrateWidget(characterLines: loserLines)
: _buildStaticCharacter(
_mirrorLines(winnerLines),
false,
),
),
),
],
),
),
);
}
/// 정적 ASCII 캐릭터 표시
Widget _buildStaticCharacter(List<String> lines, bool mirrored) {
final textColor = RetroColors.textPrimaryOf(context);
return Column(
mainAxisSize: MainAxisSize.min,
children: lines
.map((line) => Text(
line,
style: TextStyle(
fontFamily: 'JetBrainsMono',
fontSize: 10,
color: textColor,
height: 1.2,
),
))
.toList(),
);
}
/// ASCII 문자열 미러링 (좌우 대칭)
List<String> _mirrorLines(List<String> lines) {
return lines.map((line) {
final chars = line.split('');
return chars.reversed.map(_mirrorChar).join();
}).toList();
}
/// 개별 문자 미러링
String _mirrorChar(String char) {
return switch (char) {
'/' => r'\',
r'\' => '/',
'(' => ')',
')' => '(',
'[' => ']',
']' => '[',
'{' => '}',
'}' => '{',
'<' => '>',
'>' => '<',
'd' => 'b',
'b' => 'd',
'q' => 'p',
'p' => 'q',
_ => char,
};
}
Widget _buildTurnIndicator() { Widget _buildTurnIndicator() {
return Container( return Container(
padding: const EdgeInsets.symmetric(vertical: 8), padding: const EdgeInsets.symmetric(vertical: 8),

View File

@@ -0,0 +1,479 @@
import 'package:flutter/material.dart';
import 'package:asciineverdie/data/game_text_l10n.dart' as l10n;
import 'package:asciineverdie/src/core/engine/item_service.dart';
import 'package:asciineverdie/src/core/model/arena_match.dart';
import 'package:asciineverdie/src/core/model/equipment_item.dart';
import 'package:asciineverdie/src/core/model/equipment_slot.dart';
import 'package:asciineverdie/src/core/model/item_stats.dart';
import 'package:asciineverdie/src/shared/retro_colors.dart';
// 임시 문자열
const _victory = 'VICTORY!';
const _defeat = 'DEFEAT...';
const _exchange = 'EQUIPMENT EXCHANGE';
const _turns = 'TURNS';
/// 아레나 결과 패널 (인라인)
///
/// 전투 로그 하단에 표시되는 플로팅 결과 패널
class ArenaResultPanel extends StatefulWidget {
const ArenaResultPanel({
super.key,
required this.result,
required this.turnCount,
required this.onContinue,
});
/// 대전 결과
final ArenaMatchResult result;
/// 총 턴 수
final int turnCount;
/// Continue 콜백
final VoidCallback onContinue;
@override
State<ArenaResultPanel> createState() => _ArenaResultPanelState();
}
class _ArenaResultPanelState extends State<ArenaResultPanel>
with SingleTickerProviderStateMixin {
late AnimationController _slideController;
late Animation<Offset> _slideAnimation;
late Animation<double> _fadeAnimation;
@override
void initState() {
super.initState();
_slideController = AnimationController(
duration: const Duration(milliseconds: 500),
vsync: this,
);
_slideAnimation = Tween<Offset>(
begin: const Offset(0, 1), // 아래에서 위로
end: Offset.zero,
).animate(CurvedAnimation(
parent: _slideController,
curve: Curves.easeOutCubic,
));
_fadeAnimation = Tween<double>(
begin: 0.0,
end: 1.0,
).animate(CurvedAnimation(
parent: _slideController,
curve: Curves.easeOut,
));
// 약간 지연 후 애니메이션 시작 (분해 애니메이션과 동기화)
Future.delayed(const Duration(milliseconds: 800), () {
if (mounted) {
_slideController.forward();
}
});
}
@override
void dispose() {
_slideController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final isVictory = widget.result.isVictory;
final resultColor = isVictory ? Colors.amber : Colors.red.shade400;
final panelColor = isVictory
? RetroColors.goldOf(context).withValues(alpha: 0.15)
: Colors.red.withValues(alpha: 0.1);
final borderColor = isVictory
? RetroColors.goldOf(context)
: Colors.red.shade400;
return SlideTransition(
position: _slideAnimation,
child: FadeTransition(
opacity: _fadeAnimation,
child: Container(
margin: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: RetroColors.panelBgOf(context),
borderRadius: BorderRadius.circular(8),
border: Border.all(color: borderColor, width: 2),
boxShadow: [
BoxShadow(
color: borderColor.withValues(alpha: 0.3),
blurRadius: 8,
spreadRadius: 1,
),
],
),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// 타이틀 배너
Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(vertical: 8),
decoration: BoxDecoration(
color: panelColor,
borderRadius: const BorderRadius.vertical(
top: Radius.circular(6),
),
),
child: _buildTitle(context, isVictory, resultColor),
),
// 내용
Padding(
padding: const EdgeInsets.all(12),
child: Column(
children: [
// 전투 요약 (턴 수)
_buildBattleSummary(context),
const SizedBox(height: 12),
// 장비 교환
_buildExchangeSection(context),
const SizedBox(height: 12),
// Continue 버튼
_buildContinueButton(context, resultColor),
],
),
),
],
),
),
),
);
}
Widget _buildTitle(BuildContext context, bool isVictory, Color color) {
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
isVictory ? Icons.emoji_events : Icons.sentiment_very_dissatisfied,
color: color,
size: 20,
),
const SizedBox(width: 8),
Text(
isVictory ? _victory : _defeat,
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 10,
color: color,
),
),
const SizedBox(width: 8),
Icon(
isVictory ? Icons.emoji_events : Icons.sentiment_very_dissatisfied,
color: color,
size: 20,
),
],
);
}
Widget _buildBattleSummary(BuildContext context) {
final winner = widget.result.isVictory
? widget.result.match.challenger.characterName
: widget.result.match.opponent.characterName;
final loser = widget.result.isVictory
? widget.result.match.opponent.characterName
: widget.result.match.challenger.characterName;
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// 승자
Text(
winner,
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 7,
color: RetroColors.goldOf(context),
),
),
Text(
' defeated ',
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 6,
color: RetroColors.textMutedOf(context),
),
),
// 패자
Text(
loser,
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 7,
color: RetroColors.textSecondaryOf(context),
),
),
Text(
' in ',
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 6,
color: RetroColors.textMutedOf(context),
),
),
// 턴 수
Container(
padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 2),
decoration: BoxDecoration(
color: RetroColors.goldOf(context).withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(4),
),
child: Text(
'${widget.turnCount} $_turns',
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 6,
color: RetroColors.goldOf(context),
),
),
),
],
);
}
Widget _buildExchangeSection(BuildContext context) {
final slot = widget.result.match.bettingSlot;
final isVictory = widget.result.isVictory;
// 도전자의 교환 결과
final oldItem = _findItem(
widget.result.match.challenger.finalEquipment,
slot,
);
final newItem = _findItem(
widget.result.updatedChallenger.finalEquipment,
slot,
);
final oldScore =
oldItem != null ? ItemService.calculateEquipmentScore(oldItem) : 0;
final newScore =
newItem != null ? ItemService.calculateEquipmentScore(newItem) : 0;
final scoreDiff = newScore - oldScore;
return Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: isVictory
? Colors.green.withValues(alpha: 0.1)
: Colors.red.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(6),
border: Border.all(
color: isVictory
? Colors.green.withValues(alpha: 0.3)
: Colors.red.withValues(alpha: 0.3),
),
),
child: Column(
children: [
// 교환 타이틀
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.swap_horiz,
color: RetroColors.goldOf(context),
size: 14,
),
const SizedBox(width: 4),
Text(
_exchange,
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 6,
color: RetroColors.goldOf(context),
),
),
],
),
const SizedBox(height: 8),
// 슬롯
Text(
_getSlotLabel(slot),
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 6,
color: RetroColors.textMutedOf(context),
),
),
const SizedBox(height: 8),
// 교환 내용
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// 이전 아이템
_buildItemBadge(context, oldItem, oldScore),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 8),
child: Icon(
Icons.arrow_forward,
size: 14,
color: RetroColors.textMutedOf(context),
),
),
// 새 아이템
_buildItemBadge(context, newItem, newScore),
const SizedBox(width: 8),
// 점수 변화
Container(
padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
decoration: BoxDecoration(
color: scoreDiff >= 0
? Colors.green.withValues(alpha: 0.2)
: Colors.red.withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(4),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
scoreDiff >= 0 ? Icons.arrow_upward : Icons.arrow_downward,
size: 10,
color: scoreDiff >= 0 ? Colors.green : Colors.red,
),
Text(
'${scoreDiff >= 0 ? '+' : ''}$scoreDiff',
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 6,
color: scoreDiff >= 0 ? Colors.green : Colors.red,
),
),
],
),
),
],
),
],
),
);
}
Widget _buildItemBadge(
BuildContext context,
EquipmentItem? item,
int score,
) {
if (item == null || item.isEmpty) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 4),
decoration: BoxDecoration(
color: Colors.grey.withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(4),
border: Border.all(color: Colors.grey.withValues(alpha: 0.3)),
),
child: Text(
'(empty)',
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 5,
color: RetroColors.textMutedOf(context),
),
),
);
}
final rarityColor = _getRarityColor(item.rarity);
return Container(
constraints: const BoxConstraints(maxWidth: 80),
padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 4),
decoration: BoxDecoration(
color: rarityColor.withValues(alpha: 0.15),
borderRadius: BorderRadius.circular(4),
border: Border.all(color: rarityColor.withValues(alpha: 0.5)),
),
child: Column(
children: [
Text(
item.name,
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 5,
color: rarityColor,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
Text(
'$score pt',
style: TextStyle(
fontFamily: 'PressStart2P',
fontSize: 5,
color: RetroColors.textMutedOf(context),
),
),
],
),
);
}
Widget _buildContinueButton(BuildContext context, Color color) {
return SizedBox(
width: double.infinity,
child: FilledButton(
onPressed: widget.onContinue,
style: FilledButton.styleFrom(
backgroundColor: color,
padding: const EdgeInsets.symmetric(vertical: 10),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(6),
),
),
child: Text(
l10n.buttonConfirm,
style: const TextStyle(
fontFamily: 'PressStart2P',
fontSize: 8,
color: Colors.black,
),
),
),
);
}
EquipmentItem? _findItem(List<EquipmentItem>? equipment, EquipmentSlot slot) {
if (equipment == null) return null;
for (final item in equipment) {
if (item.slot == slot) return item;
}
return null;
}
String _getSlotLabel(EquipmentSlot slot) {
return switch (slot) {
EquipmentSlot.weapon => l10n.slotWeapon,
EquipmentSlot.shield => l10n.slotShield,
EquipmentSlot.helm => l10n.slotHelm,
EquipmentSlot.hauberk => l10n.slotHauberk,
EquipmentSlot.brassairts => l10n.slotBrassairts,
EquipmentSlot.vambraces => l10n.slotVambraces,
EquipmentSlot.gauntlets => l10n.slotGauntlets,
EquipmentSlot.gambeson => l10n.slotGambeson,
EquipmentSlot.cuisses => l10n.slotCuisses,
EquipmentSlot.greaves => l10n.slotGreaves,
EquipmentSlot.sollerets => l10n.slotSollerets,
};
}
Color _getRarityColor(ItemRarity rarity) {
return switch (rarity) {
ItemRarity.common => Colors.grey.shade600,
ItemRarity.uncommon => Colors.green.shade600,
ItemRarity.rare => Colors.blue.shade600,
ItemRarity.epic => Colors.purple.shade600,
ItemRarity.legendary => Colors.orange.shade700,
};
}
}

View File

@@ -0,0 +1,217 @@
import 'dart:math';
import 'package:flutter/material.dart';
/// ASCII 문자 분해 파티클
class AsciiParticle {
AsciiParticle({
required this.char,
required this.initialX,
required this.initialY,
required this.vx,
required this.vy,
required this.delay,
}) : x = initialX,
y = initialY,
opacity = 1.0;
final String char;
final double initialX;
final double initialY;
final double vx; // X 속도
final double vy; // Y 속도
final double delay; // 분해 시작 지연 (0.0 ~ 0.3)
double x;
double y;
double opacity;
/// 진행도에 따라 파티클 상태 업데이트
void update(double progress) {
// 지연 적용
final adjustedProgress = ((progress - delay) / (1.0 - delay)).clamp(0.0, 1.0);
if (adjustedProgress <= 0) {
// 아직 분해 시작 전
x = initialX;
y = initialY;
opacity = 1.0;
return;
}
// 이징 적용 (가속)
final easedProgress = Curves.easeOutQuad.transform(adjustedProgress);
// 위치 업데이트 (초기 위치에서 이동)
x = initialX + vx * easedProgress * 3.0;
y = initialY + vy * easedProgress * 3.0;
// 중력 효과
y += easedProgress * easedProgress * 2.0;
// 페이드 아웃 (후반부에 급격히)
opacity = (1.0 - easedProgress * easedProgress).clamp(0.0, 1.0);
}
}
/// ASCII 캐릭터 분해 애니메이션 위젯
///
/// 캐릭터의 각 ASCII 문자가 파티클로 분해되어 흩어지는 효과
class AsciiDisintegrateWidget extends StatefulWidget {
const AsciiDisintegrateWidget({
super.key,
required this.characterLines,
this.charWidth = 8.0,
this.charHeight = 12.0,
this.duration = const Duration(milliseconds: 1500),
this.textColor,
this.onComplete,
});
/// ASCII 캐릭터 문자열 (줄 단위)
final List<String> characterLines;
/// 문자 너비 (픽셀)
final double charWidth;
/// 문자 높이 (픽셀)
final double charHeight;
/// 애니메이션 지속 시간
final Duration duration;
/// 텍스트 색상 (null이면 테마 색상)
final Color? textColor;
/// 완료 콜백
final VoidCallback? onComplete;
@override
State<AsciiDisintegrateWidget> createState() =>
_AsciiDisintegrateWidgetState();
}
class _AsciiDisintegrateWidgetState extends State<AsciiDisintegrateWidget>
with SingleTickerProviderStateMixin {
late AnimationController _controller;
late List<AsciiParticle> _particles;
final Random _random = Random();
@override
void initState() {
super.initState();
_initParticles();
_controller = AnimationController(
duration: widget.duration,
vsync: this,
)
..addListener(() => setState(() {}))
..addStatusListener((status) {
if (status == AnimationStatus.completed) {
widget.onComplete?.call();
}
})
..forward();
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
void _initParticles() {
_particles = [];
for (int y = 0; y < widget.characterLines.length; y++) {
final line = widget.characterLines[y];
for (int x = 0; x < line.length; x++) {
final char = line[x];
// 공백은 파티클로 변환하지 않음
if (char != ' ') {
_particles.add(AsciiParticle(
char: char,
initialX: x.toDouble(),
initialY: y.toDouble(),
// 랜덤 속도 (위쪽 + 좌우로 퍼짐)
vx: (_random.nextDouble() - 0.5) * 4.0,
vy: -_random.nextDouble() * 2.0 - 0.5, // 위쪽으로
// 랜덤 지연 (안쪽에서 바깥쪽으로 분해)
delay: _random.nextDouble() * 0.3,
));
}
}
}
}
@override
Widget build(BuildContext context) {
// 파티클 상태 업데이트
for (final particle in _particles) {
particle.update(_controller.value);
}
final textColor =
widget.textColor ?? Theme.of(context).textTheme.bodyMedium?.color;
return CustomPaint(
size: Size(
widget.characterLines.isNotEmpty
? widget.characterLines
.map((l) => l.length)
.reduce((a, b) => a > b ? a : b) *
widget.charWidth
: 0,
widget.characterLines.length * widget.charHeight,
),
painter: _DisintegratePainter(
particles: _particles,
charWidth: widget.charWidth,
charHeight: widget.charHeight,
textColor: textColor ?? Colors.white,
),
);
}
}
/// 분해 파티클 페인터
class _DisintegratePainter extends CustomPainter {
_DisintegratePainter({
required this.particles,
required this.charWidth,
required this.charHeight,
required this.textColor,
});
final List<AsciiParticle> particles;
final double charWidth;
final double charHeight;
final Color textColor;
@override
void paint(Canvas canvas, Size size) {
for (final particle in particles) {
if (particle.opacity <= 0) continue;
final textPainter = TextPainter(
text: TextSpan(
text: particle.char,
style: TextStyle(
fontFamily: 'JetBrainsMono',
fontSize: charHeight * 0.9,
color: textColor.withValues(alpha: particle.opacity),
),
),
textDirection: TextDirection.ltr,
)..layout();
final x = particle.x * charWidth;
final y = particle.y * charHeight;
textPainter.paint(canvas, Offset(x, y));
}
}
@override
bool shouldRepaint(covariant _DisintegratePainter oldDelegate) => true;
}