diff --git a/client/src/components/Map3D.jsx b/client/src/components/Map3D.jsx
index ea225b9..2368625 100644
--- a/client/src/components/Map3D.jsx
+++ b/client/src/components/Map3D.jsx
@@ -1,9 +1,17 @@
-import React, { useRef, useMemo, useEffect, useState } from 'react';
-import { Canvas, useFrame, useLoader } from '@react-three/fiber';
+import React, { useRef, useMemo, useEffect, useState, useCallback } from 'react';
+import { Canvas, useFrame, useLoader, useThree } from '@react-three/fiber';
 import { OrbitControls, Grid, Text, Line } from '@react-three/drei';
 import * as THREE from 'three';
 import { useTurtleStore } from '../store/turtleStore';
 
+// World interaction modes
+const INTERACTION_MODE = {
+  LOOK: 'look',    // Default orbit camera
+  MOVE: 'move',    // Click block to send turtle there
+  BUILD: 'build',  // Click face to place block preview
+  SELECT: 'select' // Click-drag area selection
+};
+
 // Texture mapping for Minecraft blocks
 const TEXTURE_MAP = {
   // Basic blocks