更换新的植被生成系统

package-lock.json

@@ -8,12 +8,22 @@
       "name": "realistic-ocean-scene",
       "version": "1.0.0",
       "dependencies": {
+        "@dgreenheck/ez-tree": "^1.1.0",
         "three": "^0.171.0"
       },
       "devDependencies": {
         "vite": "^6.0.0"
       }
     },
+    "node_modules/@dgreenheck/ez-tree": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@dgreenheck/ez-tree/-/ez-tree-1.1.0.tgz",
+      "integrity": "sha512-6pvS6hD6B6h00dm0SnkgYeT4ABU5Y1Z9M44p1tXiV5C0eKrQy2sKECXshoaUv0qAOqYVL68w/PwadUxDFDiHUg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "three": ">=0.167"
+      }
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.25.12",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.12.tgz",