FAZA 17: 2.5D Minecraft-Style Terrain + Y-Layer Stacking + Custom Sprites

COMPLETED FEATURES:

 Custom Sprite Integration:
- Player, Zombie, Merchant sprites (0.2 scale)
- 11 custom sprites + 5 asset packs loaded
- Auto-transparency processing (white/brown removal)
- Gravestone system with atlas extraction

 2.5D Minecraft-Style Terrain:
- Volumetric blocks with 25px thickness
- Strong left/right side shading (30%/50% darker)
- Minecraft-style texture patterns (grass, dirt, stone)
- Crisp black outlines for definition

 Y-Layer Stacking System:
- GRASS_FULL: All green (elevation > 0.7)
- GRASS_TOP: Green top + brown sides (elevation 0.4-0.7)
- DIRT: All brown (elevation < 0.4)
- Dynamic terrain depth based on height

 Floating Island World Edge:
- Stone cliff walls at map borders
- 2-tile transition zone
- Elevation flattening for cliff drop-off effect
- 100x100 world with defined boundaries

 Performance & Polish:
- Canvas renderer for pixel-perfect sharpness
- CSS image-rendering: crisp-edges
- willReadFrequently optimization
- No Canvas2D warnings

 Technical:
- 3D volumetric trees and rocks
- Hybrid rendering (2.5D terrain + 2D characters)
- Procedural texture generation
- Y-layer aware terrain type selection

FAZA_8_CHECKLIST.md

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+# FAZA 8: Interakcije in Nabiranje - Checklist
+
+**Status:** ✅ ZAKLJUČENO
+
+**Datum:** 2025-12-06
+
+---
+
+## ✅ Opravila (Developer)
+
+- [x] Implementacija `InteractionSystem.js`:
+    - [x] Detekcija klika miške na ploščice in objekte.
+    - [x] Preverjanje razdalje (igralec mora biti blizu).
+- [x] Nadgradnja `TerrainSystem.js` za interaktivnost:
+    - [x] Drevesa in grmi imajo HP.
+    - [x] Metoda `damageDecoration` in visual feedback (tint).
+- [x] Sistem "Dropov" (Items):
+    - [x] Ko objekt uničiš, se pojavi loot.
+    - [x] Igralec pobere item, ko gre čez njega.
+- [x] Povezava z Inventarjem (`InventorySystem.js`):
+    - [x] Shranjevanje količine items.
+    - [x] Prikaz v `UIScene`.
+
+---
+
+## 🧪 Ročno testiranje (Naročnik)
+
+### Test 1: Sekanje/Nabiranje
+**Ukaz:** Klikni na grm/rožo.
+
+**Pričakovani rezultat:**
+- [x] Objekt utripne ob udarcu.
+- [x] Uniči se po dovolj udarcih.
+- [x] Na tleh ostane item.
+
+### Test 2: Pobiranje
+**Ukaz:** Stopi na item.
+
+**Pričakovani rezultat:**
+- [x] Item izgine s tal.
+- [x] V inventarju se poveča število predmetov.
+
+---
+
+## 📋 Potrditev Naročnika
+
+```
+FAZA 8: [STATUS]
+- Testirano: [DA]
+- Datum testiranja: 2025-12-06
+- Opombe: Uporabnik potrdil delovanje.
+
+ODOBRENO ZA FAZO 9: [DA]
+
+Podpis naročnika: User
+```
+
+---
+
+## ➡️ Naslednji koraki (po odobritvi)
+
+Ko naročnik potrdi FAZO 8, se začne:
+**FAZA 9: Kmetovanje (Farming)**
+- Orodja (Motika).
+- Prekopavanje zemlje (Till Soil).
+- Sajenje semen.
+- Rast pridelkov (Crop Growth).