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https://github.com/jeiel85/retro-pixel-racer-android

A nostalgic 2D pixel-art racing game featuring retro visual styles, 8-bit sound effects, track variety, car upgrades, simulated global multiplayer competitions, daily missions, and responsive performance.
https://github.com/jeiel85/retro-pixel-racer-android

android github-pages jetpack-compose kotlin local-first material3 pixel-art play-store racing-game retro-game retro-racer sqlite

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A nostalgic 2D pixel-art racing game featuring retro visual styles, 8-bit sound effects, track variety, car upgrades, simulated global multiplayer competitions, daily missions, and responsive performance.

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# 🏎️ Retro Pixel Racer

[![Build Status](https://img.shields.io/badge/Build-Success-brightgreen.svg?style=for-the-badge&logo=android)](https://github.com/jeiel85/retro-pixel-racer-android)
[![Platform](https://img.shields.io/badge/Platform-Android%208.0%20(API%2024)%2B-orange.svg?style=for-the-badge&logo=android)](https://developer.android.com)
[![Pages](https://img.shields.io/badge/Pages-Active-blue.svg?style=for-the-badge&logo=github)](https://jeiel85.github.io/retro-pixel-racer-android/)
[![License](https://img.shields.io/badge/License-MIT-green.svg?style=for-the-badge)](https://github.com/jeiel85/retro-pixel-racer-android/blob/main/LICENSE)

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**Retro Pixel Racer**λŠ” 80λ…„λŒ€ κ³ μ „ μ•„μΌ€μ΄λ“œμ˜ κ°•λ ¬ν•œ λ ˆμ΄μ‹± 재미λ₯Ό μ•ˆλ“œλ‘œμ΄λ“œ λͺ¨λ°”일 ν™˜κ²½μ—μ„œ ν˜„λŒ€μ μΈ Jetpack Compose 기술둜 μš°μ•„ν•˜κ²Œ μž¬ν•΄μ„ν•œ 2D ν”½μ…€ μ•„νŠΈ λ ˆμ΄μ‹± κ²Œμž„μž…λ‹ˆλ‹€.

ν™”λ €ν•œ λ„€μ˜¨ μ‹ μŠ€μ›¨μ΄λΈŒ λΉ„μ£Όμ–Ό 필터와 κΈ°κΈ° λ‚΄λΆ€ μ˜€λ””μ˜€ λ²„νΌλ‘œ 직접 주파수λ₯Ό ν•©μ„±ν•˜λŠ” **8λΉ„νŠΈ μ‚¬μš΄λ“œνŠΈλž™ μ œλ„ˆλ ˆμ΄ν„°**, λ‹€μ±„λ‘œμš΄ μ°¨λŸ‰ μ—…κ·Έλ ˆμ΄λ“œ λͺ¨λ“ˆ, 그리고 박진감 λ„˜μΉ˜λŠ” 가상 κΈ€λ‘œλ²Œ λ©€ν‹°ν”Œλ ˆμ΄ λͺ¨λ“œλ‘œ 질주의 μ•„λ“œλ ˆλ‚ λ¦°μ„ λŠκ»΄λ³΄μ„Έμš”!

> 🌐 **곡식 μ›Ή νŽ˜μ΄μ§€**: [https://jeiel85.github.io/retro-pixel-racer-android/](https://jeiel85.github.io/retro-pixel-racer-android/)
> λΈŒλΌμš°μ €μ—μ„œ 직접 ν‚€λ³΄λ“œμ™€ ν„°μΉ˜λ‘œ ν”Œλ ˆμ΄ κ°€λŠ₯ν•œ **μΈν„°λž™ν‹°λΈŒ 3D μΊ”λ²„μŠ€ λ ˆμ΄μ‹± λ―Έλ‹ˆκ²Œμž„**κ³Ό ν”Œλ ˆμ΄ μŠ€ν† μ–΄ μ‹¬μ‚¬μš© κ°œμΈμ •λ³΄μ²˜λ¦¬λ°©μΉ¨μ„ ν™•μΈν•˜μ‹€ 수 μžˆμŠ΅λ‹ˆλ‹€.

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## πŸ•ΉοΈ 핡심 ν”Œλ ˆμ΄ λͺ¨λ“ˆ



🏎️ μ°¨κ³ μ§€ & μ»€μŠ€ν…€ μ°¨λŸ‰ νŠœλ‹


Classic Red, Vortex Blue, Cyber Green λ“± 고유 μ™Έν˜•μ„ μ§€λ‹Œ μ°¨λŸ‰λ“€μ„ μ°¨κ³ μ§€(Garage)μ—μ„œ μ„ νƒν•˜κ³  코인을 μ†Œλͺ¨ν•˜μ—¬ μ„±λŠ₯을 μ—…κ·Έλ ˆμ΄λ“œν•  수 μžˆμŠ΅λ‹ˆλ‹€.




  • ENGINE: 가속 속도 인자 증강


  • HANDLING: 쒌우 μ‘°ν–₯ 물리 νŒ©ν„° κ°•ν™”


  • SPEED: μ°¨λŸ‰μ˜ μ ˆλŒ€ ν•œκ³„ 졜고 속도 돌파




🎡 μ‹€μ‹œκ°„ 8λΉ„νŠΈ μ‚¬μš΄λ“œ μ‹ μ‹œμ‚¬μ΄μ €


λ³Έ κ²Œμž„μ€ μš©λŸ‰μ„ μ°¨μ§€ν•˜λŠ” μ™ΈλΆ€ μ˜€λ””μ˜€ 에셋 νŒŒμΌμ„ μ‚¬μš©ν•˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€! μ•ˆλ“œλ‘œμ΄λ“œ AudioTrack을 톡해 μ •λ°€ saw/square νŒŒν˜• 주파수λ₯Ό μ‹€μ‹œκ°„ ν•©μ„±ν•˜μ—¬ 레트둜 μ—”μ§„ κ΅‰μŒκ³Ό νš¨κ³ΌμŒμ„ μƒμƒν•˜κ²Œ 절차적으둜 좜λ ₯ν•©λ‹ˆλ‹€.






πŸ† κΈ€λ‘œλ²Œ λ¦¬λ”λ³΄λ“œ & λ§€μΉ˜λ©”μ΄ν‚Ή


초기 Green Valley μˆ²κΈΈλΆ€ν„° Pixel Neon Grid λ“±μ˜ κ³ λ‚œμ΄λ„ μ½”μŠ€λ“€μ„ 잠금 ν•΄μ œν•΄ λ‚˜κ°€λ©°, 가상 κΈ€λ‘œλ²Œ ν”Œλ ˆμ΄μ–΄λ“€κ³Ό 기둝 κ²½μ£Όλ₯Ό ν•˜κ±°λ‚˜ λ©€ν‹°ν”Œλ ˆμ΄ λ‘œλΉ„μ—μ„œ μ‹€μ‹œκ°„ 맀치 듀얼을 νŽΌμΉ©λ‹ˆλ‹€.




πŸ“… 일일 μŠ€νŽ˜μ…œ μž„λ¬΄ & Room DB


맀일 μƒˆλ‘­κ²Œ κ°±μ‹ λ˜λŠ” 4μ’…μ˜ μŠ€νŽ˜μ…œ λ―Έμ…˜μ„ μ™„μˆ˜ν•˜μ—¬ μ—…κ·Έλ ˆμ΄λ“œμš© κ³¨λ“œλ₯Ό μˆ˜μ§‘ν•˜μ„Έμš”. λͺ¨λ“  κ²Œμž„ 정보 및 ν”Œλ ˆμ΄μ–΄ μ„€μ • μ •λ³΄λŠ” 둜컬 Room Database에 μ™„λ²½νžˆ μ˜€ν”„λΌμΈ μƒŒλ“œλ°•μŠ€λ‘œ μ•ˆμ „ν•˜κ²Œ κΈ°λ‘λ©λ‹ˆλ‹€.



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## πŸ—οΈ μ‹œμŠ€ν…œ μ•„ν‚€ν…μ²˜ 흐름도

```mermaid
graph TD
A[MainActivity] -->|Edge-to-Edge & Crossfade| B(UI Screens Layer)
B -->|User Inputs / Actions| C[GameViewModel]
C -->|Synthesizes Saw/Square Wave| D[RetroSoundManager]
C -->|Database Observables| E[GameRepository]
E -->|Persistent Querying| F[GameDao]
F -->|SQLite Transactions| G[(Room Database)]
```

---

## πŸš€ λΉ λ₯Έ μ‹œμž‘ κ°€μ΄λ“œ (Quick Start)

### 1. 개발 및 λΉŒλ“œ ν™˜κ²½ μš”κ΅¬μ‚¬ν•­
* **Android Studio**: Ladybug (2024.2.1) 이상 ꢌμž₯
* **JDK**: Version 17 이상
* **Android SDK**: Compile SDK 36 (API 36), Min SDK 24 이상

### 2. 둜컬 λΉŒλ“œ 및 컴파일 방법
ν”„λ‘œμ νŠΈ μ €μž₯μ†Œλ₯Ό 둜컬 μ»΄ν“¨ν„°λ‘œ ν΄λ‘ ν•œ ν›„, λ‹€μŒ 터미널 λͺ…령어듀을 ν™œμš©ν•΄ λΉŒλ“œμ™€ μ»΄νŒŒμΌμ„ μ§„ν–‰ν•  수 μžˆμŠ΅λ‹ˆλ‹€.

```bash
# 1. μ €μž₯μ†Œ 클둠
git clone https://github.com/jeiel85/retro-pixel-racer-android.git
cd retro-pixel-racer-android

# 2. 둜컬 ν™˜κ²½ λ³€μˆ˜ μ„€μ •
# ν”„λ‘œμ νŠΈ 루트 디렉토리에 .env νŒŒμΌμ„ μƒμ„±ν•˜κ³  API ν‚€λ₯Ό μ„€μ •ν•©λ‹ˆλ‹€ (ν•„μš” μ‹œ)
echo "GEMINI_API_KEY=your_gemini_api_key" > .env

# 3. Kotlin μ†ŒμŠ€μ½”λ“œ 점검 및 컴파일
./gradlew compileDebugKotlin

# 4. λ‹¨μœ„ ν…ŒμŠ€νŠΈ μ‹€ν–‰
./gradlew test

# 5. λ””λ²„κ·Έμš© APK 생성
./gradlew assembleDebug
```

---

## πŸ“¦ ꡬ글 ν”Œλ ˆμ΄ 릴리즈 배포 νƒœμŠ€ν¬

λ³Έ ν”„λ‘œμ νŠΈμ—λŠ” ν”Œλ ˆμ΄ μŠ€ν† μ–΄ 배포본 생성을 μ™„λ²½νžˆ μžλ™ν™”ν•˜κΈ° μœ„ν•΄ **μ»€μŠ€ν…€ Gradle νƒœμŠ€ν¬**κ°€ κ΅¬μΆ•λ˜μ–΄ μžˆμŠ΅λ‹ˆλ‹€.

```bash
# ν”Œλ ˆμ΄ μŠ€ν† μ–΄ 배포용 Signed AAB λΉŒλ“œ 및 λ°μŠ€ν¬ν†± 배포 μžλ™ν™” μ‹€ν–‰
./gradlew :app:exportReleaseToDesktop
```

### πŸ’Ž 배포 νƒœμŠ€ν¬ λ™μž‘ 원리
1. **R8 μ΅œμ ν™” 컴파일**: 릴리즈 μ΅œμ ν™”μ™€ λ‚œλ…ν™” μ½”λ“œλ₯Ό R8 엔진을 톡해 μ»΄νŒŒμΌν•˜μ—¬ λ°”μ΄λ„ˆλ¦¬ μš©λŸ‰μ„ 50% 이상 κ·Ήλ„λ‘œ μΆ•μ†Œν•©λ‹ˆλ‹€.
2. **배포 μ„œλͺ… 연동**: 둜컬 `debug.keystore` λ˜λŠ” ν™˜κ²½ λ³€μˆ˜ 기반 릴리즈 μ„œλͺ…ν‚€λ₯Ό λ°”μ΄λ„ˆλ¦¬μ— νƒ‘μž¬ν•©λ‹ˆλ‹€.
3. **λ°μŠ€ν¬ν†± 배포본 내보내기**: λΉŒλ“œκ°€ μ™„λ£Œλ˜λ©΄ μ‚¬μš©μž 바탕화면에 **`Build` 폴더(`C:\Users\jeiel\Desktop\Build`)**λ₯Ό μƒμ„±ν•˜κ³ , κ·Έ μ•ˆμ— μ•„λž˜ 두 에셋을 단일 ν΄λ”λ‘œ λ¬Άμ–΄ κΉ”λ”ν•˜κ²Œ λ‚΄λ³΄λƒ…λ‹ˆλ‹€.
* `RetroPixelRacer-v{versionName}-vc{versionCode}.aab` (μ‹¬μ‚¬μš© AAB λ²ˆλ“€)
* `RetroPixelRacer-v{versionName}-vc{versionCode}-release-notes.txt` (BCP-47 ν˜•μ‹ ν•œκΈ€ `` 및 영문 `` 톡합 μΆœμ‹œ λ…ΈνŠΈ)

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## πŸ”’ κ°œμΈμ •λ³΄ 처리 κ°œμš” (Privacy Policy)
**Retro Pixel Racer**λŠ” μ™„μ „ν•œ **둜컬-퍼슀트(Local-First) μ˜€ν”„λΌμΈ λͺ¨λ°”일 κ²Œμž„**μž…λ‹ˆλ‹€. μ–΄λ– ν•œ λ„€νŠΈμ›Œν¬ μœ„μΉ˜ 정보 μˆ˜μ§‘, μœ μ € νŠΈλž˜ν‚Ή, 제3자 뢄석 SDK λͺ¨λ“ˆλ„ ν¬ν•¨λ˜μ–΄ μžˆμ§€ μ•ŠμœΌλ©°, κΈ°κΈ° λ‚΄λΆ€ μƒŒλ“œλ°•μŠ€ λ³΄μ•ˆ κ·œμΉ™μ„ μ€€μˆ˜ν•©λ‹ˆλ‹€. 상세 λ‚΄μš©μ€ [Privacy Policy](https://jeiel85.github.io/retro-pixel-racer-android/privacy.html)λ₯Ό μ°Έκ³ ν•΄ μ£Όμ„Έμš”.