idle-game/dev-journal.md

Cosmic Garden - Development Journal

Session Log

---

Session 1 - 2026-08-18 (Evening)

Status: ✅ Foundation Complete

What was done:

• Created complete game structure with HTML/CSS/JS architecture
• Theme: "Cosmic Garden" - a space gardening idle game
• Built core game engine with click harvesting, buildings, upgrades, achievements
• Designed 12 buildings across 4 tiers (Star Sprout → Void Fern)
• Added 15+ upgrades and 20 achievements
• Implemented auto-save, offline progress, export/import
• Built responsive dark-themed UI

Files created:

• index.html, css/game.css
• js/game.js, js/buildings.js, js/upgrades.js
• js/achievements.js, js/ui.js, js/saveSystem.js, js/main.js

---

Session 2 - 2026-08-19 (Morning)

Status: ✅ Statistics Panel Added

What was done:

• Added new Statistics tab to the side panel
• Tracks: Total Stardust, Production Rate, Clicks, Click Power, Time Played
• Shows Buildings Owned, Upgrades Purchased, Achievements Unlocked
• Added Game Progress bar based on stardust milestones
• Fixed global production bonus calculation bug in game.js

Files modified/created:

• index.html - Added Stats tab UI
• js/stats.js - New statistics tracking module (160 lines)
• js/game.js - Fixed global bonus calculation
• css/game.css - Added stats panel styling

Next goals:

• Add particle effects on click
• Implement mobile touch optimizations
• Consider adding prestige system

---

Session 3 - 2026-08-19 (Afternoon)

Status: ✅ Particle Effects System Added

What was done:

• Created a complete particle effects system for visual feedback
• Added click sparkle particles when harvesting stardust
• Added building purchase burst effects on the building card
• Added achievement unlock celebration effects
• Added ambient twinkling stars to the background
• Integrated particles into game.js, achievements.js, and main.js

Files modified:

• js/particles.js - New file with Particle system (click, building, achievement effects + ambient stars)
• js/game.js - Added particle calls on harvest and buyBuilding
• js/achievements.js - Added particle effect on achievement unlock
• js/main.js - Added ambient star creation on init
• css/game.css - Added particle styles and twinkle animation
• index.html - Added particles.js script tag

Next goals:

• Mobile touch optimizations (tap feedback, responsive layout)
• Prestige/reset system with bonuses
• Sound effects for clicks and purchases

---

---

Session 4 - 2026-08-20 (Morning)

Status: ✅ Sound Effects System Added

What was done:

• Created complete audio system using Web Audio API (no external assets needed)
• Added click sound effect (rising C-major arpeggio on each harvest)
• Added purchase sound effect (descending chime when buying buildings)
• Added achievement fanfare (ascending chord progression on unlock)
• Integrated audio into game.js, achievements.js, and index.html
• Audio context auto-initializes on game start; browsers handle suspension automatically

Files modified/created:

• js/audio.js - New file with Audio system (click, purchase, achievement sounds via Web Audio API)
• js/game.js - Added Audio.init() in init(), Audio.playClick() in harvest(), Audio.playPurchase() in buyBuilding()
• js/achievements.js - Added Audio.playAchievement() on achievement unlock
• index.html - Added audio.js script tag

Next goals:

• Mobile touch optimizations (tap feedback, responsive layout)
• Prestige/reset system with bonuses
• Consider adding more sound variations or music

---

Journal auto-updated by Hermes Agent cron job (every 8 hours)