custom voxel mesh builder

object visibility

webclient/package.json

@@ -15,10 +15,12 @@
     "@tabler/icons-react": "^3.44.0",
     "@types/three": "^0.184.1",
     "blockly": "^12.5.1",
+    "earcut": "^3.0.2",
     "mobx": "^6.15.4",
     "mobx-react-lite": "^4.1.1",
     "mobx-utils": "^6.1.1",
     "nipplejs": "^1.0.4",
+    "polygon-clipping": "^0.15.7",
     "r3f-perf": "^7.2.3",
     "react": "^19.2.6",
     "react-dom": "^19.2.6",
@@ -27,6 +29,7 @@
     "uuid": "^14.0.0"
   },
   "devDependencies": {
+    "@types/earcut": "^3.0.0",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.1",