Adjust lighting and emissive properties for improved scene illumination: reduced intensities for ambient, directional, point, spotlight, and hemisphere lights in lighting.js; modified emissive brightness in model-loader.js for better interior visibility; increased tone mapping exposure in scene-setup.js for a brighter appearance.

camera-config.json

@@ -1,20 +1,20 @@
 {
   "camera": {
     "position": {
-      "x": 514,
+      "x": 248.7,
-      "y": 228,
+      "y": 93.5,
-      "z": -403
+      "z": 139.16
     },
     "target": {
-      "x": 50,
+      "x": 156.1,
-      "y": 85,
+      "y": 63.43,
-      "z": -140
+      "z": -186.15
     },
-    "distance": 552,
+    "distance": 339.56,
     "spherical": {
-      "radius": 552,
+      "radius": 339.56,
-      "theta": 2.09,
+      "theta": 0.28,
-      "phi": 1.31
+      "phi": 1.48
     }
   },
   "description": "Default camera configuration for 3D model viewer. Position values can be copied from console logs and pasted here to set new defaults."

cube.mtl

@@ -2,43 +2,80 @@
 ## Alias OBJ Material File
 # Exported from SketchUp, (c) 2000-2012 Trimble Navigation Limited
 
+newmtl Helen_Boots
+Ka 0.000000 0.000000 0.000000
+Kd 0.184314 0.184314 0.184314
+Ks 0.330000 0.330000 0.330000
+
+newmtl Color_M01
+Ka 0.000000 0.000000 0.000000
+Kd 0.886275 0.886275 0.886275
+Ks 0.330000 0.330000 0.330000
+
+newmtl Color_M02
+Ka 0.000000 0.000000 0.000000
+Kd 0.776471 0.776471 0.776471
+Ks 0.330000 0.330000 0.330000
+
+newmtl Mirror_02
+Ka 0.000000 0.000000 0.000000
+Kd 0.898039 0.898039 0.898039
+Ks 0.330000 0.330000 0.330000
+map_Kd cube/Mirror_02.jpg
+
+newmtl Helen_Phone
+Ka 0.000000 0.000000 0.000000
+Kd 0.247059 0.247059 0.247059
+Ks 0.330000 0.330000 0.330000
+
 newmtl FrontColor
 Ka 0.000000 0.000000 0.000000
 Kd 1.000000 1.000000 1.000000
 Ks 0.330000 0.330000 0.330000
 
+newmtl WP
+Ka 0.000000 0.000000 0.000000
+Kd 0.752941 0.749020 0.737255
+Ks 0.330000 0.330000 0.330000
+map_Kd cube/WP.jpg
+
+newmtl M03_Pewter_Shine
+Ka 0.000000 0.000000 0.000000
+Kd 0.658824 0.658824 0.658824
+Ks 0.330000 0.330000 0.330000
+
+newmtl Wood_Floor_Dark
+Ka 0.000000 0.000000 0.000000
+Kd 0.600000 0.368627 0.164706
+Ks 0.330000 0.330000 0.330000
+map_Kd cube/Wood_Floor_Dark.jpg
+
 newmtl BackColor
 Ka 0.000000 0.000000 0.000000
 Kd 0.643137 0.698039 0.733333
 Ks 0.330000 0.330000 0.330000
 
-newmtl Carpet_01_1K
+newmtl Wood_Floor_01_1K
 Ka 0.000000 0.000000 0.000000
-Kd 0.768627 0.764706 0.756863
+Kd 0.572549 0.435294 0.298039
 Ks 0.330000 0.330000 0.330000
-map_Kd cube/Carpet_01_1K.png
+map_Kd cube/Wood_Floor_01_1K.png
 
-newmtl Marble_01_1K
+newmtl Plywood_01_1K
 Ka 0.000000 0.000000 0.000000
-Kd 0.901961 0.866667 0.827451
+Kd 0.490196 0.376471 0.250980
 Ks 0.330000 0.330000 0.330000
-map_Kd cube/Marble_01_1K.png
+map_Kd cube/Plywood_01_1K.png
 
-newmtl Wood_Veneer_15_1K
+newmtl Carpet_Plush_Charcoal
 Ka 0.000000 0.000000 0.000000
-Kd 0.403922 0.270588 0.176471
+Kd 0.341176 0.341176 0.341176
 Ks 0.330000 0.330000 0.330000
-map_Kd cube/Wood_Veneer_15_1K.png
+map_Kd cube/Carpet_Plush_Charcoal.jpg
 
-newmtl Denim_03_1K
+newmtl Tile_Interior_01_1K
 Ka 0.000000 0.000000 0.000000
-Kd 0.364706 0.415686 0.466667
+Kd 0.749020 0.749020 0.749020
 Ks 0.330000 0.330000 0.330000
-map_Kd cube/Denim_03_1K.png
+map_Kd cube/Tile_Interior_01_1K.png
-
-newmtl _
-Ka 0.000000 0.000000 0.000000
-Kd 0.458824 0.333333 0.117647
-Ks 0.330000 0.330000 0.330000
-map_Kd cube/_.png
 

src/camera-config.js

@@ -0,0 +1,24 @@
+// Load camera configuration from config file
+export async function loadCameraConfig() {
+    try {
+        const response = await fetch('./camera-config.json');
+        if (!response.ok) {
+            throw new Error(`HTTP error! status: ${response.status}`);
+        }
+        const cameraConfig = await response.json();
+        console.log('✅ Camera config loaded successfully:', cameraConfig);
+        return cameraConfig;
+    } catch (error) {
+        console.warn('⚠️ Could not load camera-config.json, using original defaults.');
+        console.log('📝 To use custom camera settings, ensure camera-config.json is accessible from your web server.');
+        
+        // Return original simple defaults
+        return {
+            camera: {
+                position: { x: 20, y: 20, z: 20 },
+                target: { x: 0, y: 0, z: 0 },
+                distance: 34.64
+            }
+        };
+    }
+}

src/fpv-controls.js

@@ -0,0 +1,404 @@
+import * as THREE from 'three';
+
+// FPV Mode variables
+let fpvMode = false;
+let flyMode = false; // New fly mode state
+let fpvControls = {
+    moveForward: false,
+    moveBackward: false,
+    moveLeft: false,
+    moveRight: false,
+    jump: false,
+    crouch: false,
+    moveUp: false, // For fly mode
+    moveDown: false, // For fly mode
+    canJump: true,
+    velocity: new THREE.Vector3(),
+    direction: new THREE.Vector3(),
+    rotation: { x: 0, y: 0 },
+    verticalVelocity: 0,
+    isJumping: false,
+    isCrouching: false,
+    currentHeight: 0,
+    targetHeight: 0
+};
+
+export function setupFPVButton(renderer) {
+    const fpvBtn = document.getElementById('fpv-btn');
+    if (!fpvBtn) {
+        console.warn('FPV button not found');
+        return;
+    }
+    
+    fpvBtn.addEventListener('click', () => {
+        if (!fpvMode) {
+            enterFPVMode(renderer);
+        } else {
+            exitFPVMode();
+        }
+    });
+    
+    console.log('🚶 FPV button set up');
+}
+
+export function setupFPVControls() {
+    // Keyboard event handlers
+    document.addEventListener('keydown', onKeyDown);
+    document.addEventListener('keyup', onKeyUp);
+    
+    // Mouse event handlers for FPV mode
+    document.addEventListener('mousemove', onMouseMove);
+    document.addEventListener('click', onMouseClick);
+    
+    console.log('FPV controls setup complete. Press F to enter FPV mode');
+}
+
+function onKeyDown(event) {
+    switch (event.code) {
+        case 'KeyF':
+            event.preventDefault();
+            event.stopPropagation();
+            if (!fpvMode) {
+                enterFPVMode();
+            } else {
+                exitFPVMode();
+            }
+            return false;
+        case 'Escape':
+            if (fpvMode) {
+                event.preventDefault();
+                event.stopPropagation();
+                exitFPVMode();
+                return false;
+            }
+            break;
+        case 'KeyG':
+            if (fpvMode) {
+                event.preventDefault();
+                event.stopPropagation();
+                toggleFlyMode();
+                return false;
+            }
+            break;
+        case 'KeyW':
+            if (fpvMode) fpvControls.moveForward = true;
+            break;
+        case 'KeyA':
+            if (fpvMode) fpvControls.moveLeft = true;
+            break;
+        case 'KeyS':
+            if (fpvMode) fpvControls.moveBackward = true;
+            break;
+        case 'KeyD':
+            if (fpvMode) fpvControls.moveRight = true;
+            break;
+        case 'Space':
+            if (fpvMode) {
+                event.preventDefault();
+                if (flyMode) {
+                    fpvControls.moveUp = true;
+                } else {
+                    fpvControls.jump = true;
+                }
+            }
+            break;
+        case 'ShiftLeft':
+        case 'ShiftRight':
+            if (fpvMode) {
+                event.preventDefault();
+                if (flyMode) {
+                    fpvControls.moveDown = true;
+                } else {
+                    fpvControls.crouch = true;
+                    fpvControls.isCrouching = true;
+                }
+            }
+            break;
+    }
+}
+
+function onKeyUp(event) {
+    switch (event.code) {
+        case 'KeyW':
+            if (fpvMode) fpvControls.moveForward = false;
+            break;
+        case 'KeyA':
+            if (fpvMode) fpvControls.moveLeft = false;
+            break;
+        case 'KeyS':
+            if (fpvMode) fpvControls.moveBackward = false;
+            break;
+        case 'KeyD':
+            if (fpvMode) fpvControls.moveRight = false;
+            break;
+        case 'Space':
+            if (fpvMode) {
+                if (flyMode) {
+                    fpvControls.moveUp = false;
+                } else {
+                    fpvControls.jump = false;
+                }
+            }
+            break;
+        case 'ShiftLeft':
+        case 'ShiftRight':
+            if (fpvMode) {
+                if (flyMode) {
+                    fpvControls.moveDown = false;
+                } else {
+                    fpvControls.crouch = false;
+                    fpvControls.isCrouching = false;
+                }
+            }
+            break;
+    }
+}
+
+function onMouseMove(event) {
+    if (!fpvMode) return;
+    
+    const movementX = event.movementX || event.mozMovementX || event.webkitMovementX || 0;
+    const movementY = event.movementY || event.mozMovementY || event.webkitMovementY || 0;
+    
+    fpvControls.rotation.y -= movementX * 0.002; // Horizontal rotation (yaw)
+    fpvControls.rotation.x -= movementY * 0.002; // Vertical rotation (pitch)
+    
+    // Limit vertical look angle
+    fpvControls.rotation.x = Math.max(-Math.PI/2, Math.min(Math.PI/2, fpvControls.rotation.x));
+}
+
+function onMouseClick(event) {
+    if (fpvMode && event.target && event.target.requestPointerLock) {
+        // Request pointer lock for mouse control
+        event.target.requestPointerLock();
+    }
+}
+
+function enterFPVMode(renderer) {
+    if (!window.modelBounds) {
+        console.warn('Model not loaded yet, cannot enter FPV mode');
+        return;
+    }
+    
+    console.log('🚶 Entering FPV mode');
+    fpvMode = true;
+    
+    // Disable orbit controls
+    if (window.controls) {
+        window.controls.enabled = false;
+    }
+    
+    // Keep current camera position instead of forcing to model center
+    // Just ensure the height is reasonable for walking
+    fpvControls.currentHeight = Math.max(window.camera.position.y, window.eyeHeight);
+    fpvControls.targetHeight = fpvControls.currentHeight;
+    window.camera.position.y = fpvControls.currentHeight;
+    
+    // Calculate rotation based on current camera orientation
+    const euler = new THREE.Euler().setFromQuaternion(window.camera.quaternion, 'YXZ');
+    fpvControls.rotation.x = euler.x;
+    fpvControls.rotation.y = euler.y;
+    
+    // Reset movement state
+    fpvControls.velocity.set(0, 0, 0);
+    fpvControls.verticalVelocity = 0;
+    fpvControls.isJumping = false;
+    fpvControls.isCrouching = false;
+    
+    // Show crosshair
+    const crosshair = document.getElementById('fpv-crosshair');
+    if (crosshair) {
+        crosshair.style.display = 'block';
+    }
+    
+    // Update button text
+    const fpvBtn = document.getElementById('fpv-btn');
+    if (fpvBtn) {
+        fpvBtn.textContent = 'Exit FPV Mode';
+        fpvBtn.style.background = '#FF5722';
+    }
+    
+    // Request pointer lock
+    if (renderer && renderer.domElement) {
+        renderer.domElement.requestPointerLock();
+    }
+    
+    console.log('FPV mode active - WASD to move, mouse to look, G to toggle fly mode, ESC to exit');
+}
+
+function toggleFlyMode() {
+    flyMode = !flyMode;
+    
+    // Reset vertical states when switching modes
+    fpvControls.verticalVelocity = 0;
+    fpvControls.isJumping = false;
+    fpvControls.isCrouching = false;
+    fpvControls.moveUp = false;
+    fpvControls.moveDown = false;
+    fpvControls.jump = false;
+    fpvControls.crouch = false;
+    
+    if (flyMode) {
+        console.log('🚁 Fly mode enabled - SPACE to ascend, SHIFT to descend, no gravity');
+    } else {
+        console.log('🚶 Walk mode enabled - SPACE to jump, SHIFT to crouch, with gravity');
+        // Set current height to maintain position when switching back to walk mode
+        fpvControls.currentHeight = window.camera.position.y;
+        fpvControls.targetHeight = fpvControls.currentHeight;
+    }
+}
+
+function exitFPVMode() {
+    console.log('🔄 Exiting FPV mode');
+    
+    // Exit pointer lock first, before changing fpvMode
+    if (document.pointerLockElement) {
+        document.exitPointerLock();
+    }
+    
+    // Small delay to ensure pointer lock has been released
+    setTimeout(() => {
+        fpvMode = false;
+        
+        // Re-enable orbit controls
+        if (window.controls) {
+            window.controls.enabled = true;
+        }
+        
+        // Hide crosshair
+        const crosshair = document.getElementById('fpv-crosshair');
+        if (crosshair) {
+            crosshair.style.display = 'none';
+        }
+        
+        // Update button text
+        const fpvBtn = document.getElementById('fpv-btn');
+        if (fpvBtn) {
+            fpvBtn.textContent = 'Enter FPV Mode';
+            fpvBtn.style.background = '#2196F3';
+        }
+        
+        // Reset movement controls
+        fpvControls.moveForward = false;
+        fpvControls.moveBackward = false;
+        fpvControls.moveLeft = false;
+        fpvControls.moveRight = false;
+        fpvControls.jump = false;
+        fpvControls.crouch = false;
+        fpvControls.moveUp = false;
+        fpvControls.moveDown = false;
+        fpvControls.verticalVelocity = 0;
+        fpvControls.isJumping = false;
+        fpvControls.isCrouching = false;
+        fpvControls.currentHeight = window.eyeHeight;
+        fpvControls.targetHeight = window.eyeHeight;
+        
+        // Reset fly mode
+        flyMode = false;
+        
+        console.log('Orbit controls restored');
+    }, 50);
+}
+
+export function updateFPVMovement(camera) {
+    if (!fpvMode) return;
+    
+    const delta = 0.016; // Approximate 60fps
+    const moveSpeed = 100.0; // Units per second
+    const jumpSpeed = 500.0; // Jump initial velocity
+    const gravity = 2000.0; // Gravity strength
+    const crouchHeight = window.eyeHeight * 0.3; // Crouch height
+    const crouchSpeed = 300.0; // Speed of crouching transition
+    const flySpeed = 80.0; // Vertical fly speed
+    
+    // Reset direction
+    fpvControls.direction.set(0, 0, 0);
+    
+    // Calculate movement direction based on current rotation
+    const forward = new THREE.Vector3(0, 0, -1);
+    const right = new THREE.Vector3(1, 0, 0);
+    const up = new THREE.Vector3(0, 1, 0);
+    
+    // Apply horizontal rotation to movement vectors
+    forward.applyAxisAngle(new THREE.Vector3(0, 1, 0), fpvControls.rotation.y);
+    right.applyAxisAngle(new THREE.Vector3(0, 1, 0), fpvControls.rotation.y);
+    
+    // Apply horizontal movement inputs
+    if (fpvControls.moveForward) fpvControls.direction.add(forward);
+    if (fpvControls.moveBackward) fpvControls.direction.sub(forward);
+    if (fpvControls.moveLeft) fpvControls.direction.sub(right);
+    if (fpvControls.moveRight) fpvControls.direction.add(right);
+    
+    // Normalize and apply horizontal speed
+    if (fpvControls.direction.length() > 0) {
+        fpvControls.direction.normalize();
+        fpvControls.direction.multiplyScalar(moveSpeed * delta);
+        
+        // Apply horizontal movement to camera position
+        camera.position.add(fpvControls.direction);
+    }
+    
+    if (flyMode) {
+        // FLY MODE - No gravity, direct vertical control
+        let verticalMovement = 0;
+        
+        if (fpvControls.moveUp) {
+            verticalMovement += flySpeed * delta;
+        }
+        if (fpvControls.moveDown) {
+            verticalMovement -= flySpeed * delta;
+        }
+        
+        if (verticalMovement !== 0) {
+            camera.position.y += verticalMovement;
+        }
+    } else {
+        // WALK MODE - Gravity, jumping, crouching
+        
+        // Handle jumping
+        if (fpvControls.jump && fpvControls.canJump && !fpvControls.isJumping) {
+            fpvControls.verticalVelocity = jumpSpeed;
+            fpvControls.isJumping = true;
+            fpvControls.canJump = false;
+        }
+        
+        // Update target height based on crouching state
+        fpvControls.targetHeight = fpvControls.isCrouching ? crouchHeight : window.eyeHeight;
+        
+        // Apply gravity and vertical movement
+        if (fpvControls.isJumping) {
+            fpvControls.verticalVelocity -= gravity * delta;
+            camera.position.y += fpvControls.verticalVelocity * delta;
+            
+            // Check if landed back on ground
+            if (camera.position.y <= fpvControls.targetHeight) {
+                camera.position.y = fpvControls.targetHeight;
+                fpvControls.currentHeight = fpvControls.targetHeight;
+                fpvControls.verticalVelocity = 0;
+                fpvControls.isJumping = false;
+                fpvControls.canJump = true;
+            }
+        } else {
+            // Smooth crouching transition when not jumping
+            if (Math.abs(fpvControls.currentHeight - fpvControls.targetHeight) > 0.01) {
+                const direction = fpvControls.targetHeight > fpvControls.currentHeight ? 1 : -1;
+                fpvControls.currentHeight += direction * crouchSpeed * delta;
+                
+                // Clamp to target
+                if (direction > 0 && fpvControls.currentHeight >= fpvControls.targetHeight) {
+                    fpvControls.currentHeight = fpvControls.targetHeight;
+                } else if (direction < 0 && fpvControls.currentHeight <= fpvControls.targetHeight) {
+                    fpvControls.currentHeight = fpvControls.targetHeight;
+                }
+            }
+            camera.position.y = fpvControls.currentHeight;
+        }
+    }
+    
+    // Apply rotation to camera
+    camera.rotation.set(fpvControls.rotation.x, fpvControls.rotation.y, 0, 'YXZ');
+}
+
+export function isFPVMode() {
+    return fpvMode;
+}

src/index.html

@@ -22,8 +22,17 @@
             <p>🤏 Pinch to zoom: Zoom in/out</p>
             <p>✌️ Two finger drag: Pan around scene</p>
             <hr style="margin: 10px 0; border: 1px solid #555;">
+            <p>🚶 <button id="fpv-btn" style="background: #2196F3; color: white; border: none; padding: 8px 12px; border-radius: 4px; cursor: pointer; font-size: 12px; margin-right: 10px;">Enter FPV Mode</button> <span style="font-size: 11px; color: #aaa;">(or press F key to toggle)</span></p>
+            <p style="font-size: 11px; color: #aaa; margin: 5px 0;">In FPV: WASD to move, mouse to look, G to toggle fly mode, F or ESC to exit</p>
+            <p style="font-size: 10px; color: #888; margin: 2px 0;">Walk mode: SPACE jump, SHIFT crouch | Fly mode: SPACE ascend, SHIFT descend</p>
             <button id="print-btn" style="background: #4CAF50; color: white; border: none; padding: 8px 12px; border-radius: 4px; cursor: pointer; font-size: 12px;">🖨️ Print</button>
         </div>
+        
+        <!-- FPV Crosshair -->
+        <div id="fpv-crosshair" style="display: none; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none; z-index: 1000;">
+            <div style="position: absolute; width: 20px; height: 2px; background: rgba(255, 255, 255, 0.8); top: -1px; left: -10px; border: 1px solid rgba(0, 0, 0, 0.5);"></div>
+            <div style="position: absolute; width: 2px; height: 20px; background: rgba(255, 255, 255, 0.8); top: -10px; left: -1px; border: 1px solid rgba(0, 0, 0, 0.5);"></div>
+        </div>
     </div>
 </body>
 </html>

src/index.js

@@ -1,775 +1,79 @@
 import * as THREE from 'three';
-import { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader.js';
-import { MTLLoader } from 'three/examples/jsm/loaders/MTLLoader.js';
-import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js';
 import './styles.css';
+import { loadCameraConfig } from './camera-config.js';
+import { setupLighting, updateCameraLights } from './lighting.js';
+import { loadCubeModel } from './model-loader.js';
+import { setupFPVButton, setupFPVControls, updateFPVMovement, isFPVMode } from './fpv-controls.js';
+import { setupPrintHandlers, setupPrintButton } from './print-handlers.js';
+import { createScene, onWindowResize } from './scene-setup.js';
 
 // Global variables
 let scene, camera, renderer, controls;
-let cube;
 let cameraConfig = null;
 
-// Load camera configuration from config file
-async function loadCameraConfig() {
-    try {
-        const response = await fetch('./camera-config.json');
-        if (!response.ok) {
-            throw new Error(`HTTP error! status: ${response.status}`);
-        }
-        cameraConfig = await response.json();
-        console.log('✅ Camera config loaded successfully:', cameraConfig);
-        return cameraConfig;
-    } catch (error) {
-        console.warn('⚠️ Could not load camera-config.json, using original defaults.');
-        console.log('📝 To use custom camera settings, ensure camera-config.json is accessible from your web server.');
-        
-        // Return original simple defaults
-        return {
-            camera: {
-                position: { x: 20, y: 20, z: 20 },
-                target: { x: 0, y: 0, z: 0 },
-                distance: 34.64
-            }
-        };
-    }
-}
-
 // Initialize the 3D scene
 async function init() {
     // Load camera configuration first
     cameraConfig = await loadCameraConfig();
-    // Create container
-    const container = document.getElementById('container');
     
-    // Create scene
+    // Create scene, camera, renderer, and controls
-    scene = new THREE.Scene();
+    const sceneComponents = createScene(cameraConfig);
-    scene.background = new THREE.Color(0x2c3e50);
+    scene = sceneComponents.scene;
+    camera = sceneComponents.camera;
+    renderer = sceneComponents.renderer;
+    controls = sceneComponents.controls;
     
-    // Create camera with extended far clipping plane for better zoom out
+    // Make scene components globally accessible
-    camera = new THREE.PerspectiveCamera(
+    window.scene = scene;
-        75, // Field of view
+    window.camera = camera;
-        window.innerWidth / window.innerHeight, // Aspect ratio
+    window.renderer = renderer;
-        0.1, // Near clipping plane
+    window.controls = controls;
-        10000 // Extended far clipping plane for better zoom out
-    );
-    // Use camera config values or defaults
-    const camPos = cameraConfig.camera.position;
-    const camTarget = cameraConfig.camera.target;
-    camera.position.set(camPos.x, camPos.y, camPos.z);
-    camera.lookAt(camTarget.x, camTarget.y, camTarget.z);
-    
-    // Create renderer
-    renderer = new THREE.WebGLRenderer({ 
-        antialias: true,
-        alpha: true 
-    });
-    renderer.setSize(window.innerWidth, window.innerHeight);
-    renderer.shadowMap.enabled = true;
-    renderer.shadowMap.type = THREE.PCFSoftShadowMap;
-    renderer.outputColorSpace = THREE.SRGBColorSpace;
-    renderer.toneMapping = THREE.ACESFilmicToneMapping;
-    renderer.toneMappingExposure = 1.5;
-    
-    // Enable proper transparency rendering
-    renderer.sortObjects = true;
-    renderer.autoClear = false;
-    
-    container.appendChild(renderer.domElement);
-    
-    // Add orbit controls with enhanced touch support
-    controls = new OrbitControls(camera, renderer.domElement);
-    controls.enableDamping = true;
-    controls.dampingFactor = 0.05;
-    controls.enableZoom = true;
-    controls.enablePan = true;
-    controls.enableRotate = true;
-    
-    // Touch-specific settings
-    controls.touches = {
-        ONE: THREE.TOUCH.ROTATE,    // Single finger touch for rotation
-        TWO: THREE.TOUCH.DOLLY_PAN  // Two fingers for zoom and pan
-    };
-    
-    // Enhanced touch sensitivity and limits
-    controls.rotateSpeed = 1.0;     // Rotation speed
-    controls.zoomSpeed = 2.0;       // Increased zoom speed for faster mouse wheel
-    controls.panSpeed = 0.8;        // Pan speed
-    // Sync zoom limits with camera clipping planes
-    controls.minDistance = 0.1;     // Match camera near plane
-    controls.maxDistance = 8000;    // Stay within camera far plane (10000) with buffer
-    
-    // Smooth touch interactions
-    controls.enableDamping = true;
-    controls.dampingFactor = 0.08;  // Slightly higher for smoother touch
-    
-    // Add custom touch event handlers
-    setupCustomTouchControls();
     
     // Add lighting
-    setupLighting();
+    setupLighting(scene, camera);
     
     // Load the cube model
-    loadCubeModel();
+    loadCubeModel(scene, camera, controls);
     
     // Handle window resize
-    window.addEventListener('resize', onWindowResize, false);
+    window.addEventListener('resize', () => onWindowResize(camera, renderer), false);
     
     // Handle print events
-    setupPrintHandlers();
+    setupPrintHandlers(scene, renderer);
     
     // Setup manual print button
-    setupPrintButton();
+    setupPrintButton(scene, renderer);
+    
+    // Setup FPV button
+    setupFPVButton(renderer);
+    
+    // Setup FPV controls
+    setupFPVControls();
     
     // Start render loop
     animate();
 }
 
-function setupCustomTouchControls() {
-    const canvas = renderer.domElement;
-    
-    // Add touch-friendly CSS for better interaction
-    canvas.style.touchAction = 'none';
-    canvas.style.userSelect = 'none';
-    canvas.style.webkitUserSelect = 'none';
-    canvas.style.mozUserSelect = 'none';
-    canvas.style.msUserSelect = 'none';
-    
-    // Prevent context menu on long press
-    canvas.addEventListener('contextmenu', function(event) {
-        event.preventDefault();
-    }, { passive: false });
-    
-    console.log('Touch controls enabled - OrbitControls handles all touch gestures natively');
-}
-
-function setupPrintHandlers() {
-    const originalBackgroundColor = scene.background;
-    const originalRendererClearColor = renderer.getClearColor(new THREE.Color());
-    const originalRendererClearAlpha = renderer.getClearAlpha();
-    
-    let isTestMode = false;
-    let testTimeout = null;
-    
-    // Before print - change background to white and make renderer opaque
-    const beforePrint = () => {
-        if (isTestMode) {
-            console.log('🚫 Print event ignored - test mode is active');
-            return;
-        }
-        
-        console.log('🖨️ PRINT MODE ACTIVATED - Changing background to white');
-        
-        // Force scene background to white
-        scene.background = new THREE.Color(0xffffff);
-        
-        // Set renderer clear color to white
-        renderer.setClearColor(0xffffff, 1.0);
-        
-        // Force canvas background to white with multiple methods
-        const canvas = renderer.domElement;
-        canvas.style.setProperty('background', 'white', 'important');
-        canvas.style.setProperty('background-color', 'white', 'important');
-        canvas.style.setProperty('background-image', 'none', 'important');
-        
-        // Also set body and html backgrounds
-        document.body.style.setProperty('background', 'white', 'important');
-        document.body.style.setProperty('background-color', 'white', 'important');
-        document.documentElement.style.setProperty('background', 'white', 'important');
-        document.documentElement.style.setProperty('background-color', 'white', 'important');
-        
-        // Force a render to apply changes immediately
-        renderer.render(scene, camera);
-        
-        console.log('✅ Print background forcibly set to white');
-    };
-    
-    // After print - restore original background
-    const afterPrint = () => {
-        if (isTestMode) {
-            console.log('🚫 Print restore ignored - test mode is active');
-            return;
-        }
-        
-        console.log('🖨️ PRINT MODE DEACTIVATED - Restoring original background');
-        
-        // Restore original settings
-        scene.background = originalBackgroundColor;
-        renderer.setClearColor(originalRendererClearColor, originalRendererClearAlpha);
-        
-        // Remove forced styles
-        const canvas = renderer.domElement;
-        canvas.style.removeProperty('background');
-        canvas.style.removeProperty('background-color');
-        canvas.style.removeProperty('background-image');
-        
-        document.body.style.removeProperty('background');
-        document.body.style.removeProperty('background-color');
-        document.documentElement.style.removeProperty('background');
-        document.documentElement.style.removeProperty('background-color');
-        
-        console.log('✅ Original background restored');
-    };
-    
-    // Apply white background (used by both test and print modes)
-    const applyWhiteBackground = () => {
-        // Force scene background to white
-        scene.background = new THREE.Color(0xffffff);
-        
-        // Set renderer clear color to white
-        renderer.setClearColor(0xffffff, 1.0);
-        
-        // Force canvas background to white with multiple methods
-        const canvas = renderer.domElement;
-        canvas.style.setProperty('background', 'white', 'important');
-        canvas.style.setProperty('background-color', 'white', 'important');
-        canvas.style.setProperty('background-image', 'none', 'important');
-        
-        // Also set body and html backgrounds
-        document.body.style.setProperty('background', 'white', 'important');
-        document.body.style.setProperty('background-color', 'white', 'important');
-        document.documentElement.style.setProperty('background', 'white', 'important');
-        document.documentElement.style.setProperty('background-color', 'white', 'important');
-        
-        // Force a render to apply changes immediately
-        renderer.render(scene, camera);
-    };
-    
-    // Restore original background (used by both test and print modes)
-    const restoreBackground = () => {
-        // Restore original settings
-        scene.background = originalBackgroundColor;
-        renderer.setClearColor(originalRendererClearColor, originalRendererClearAlpha);
-        
-        // Remove forced styles
-        const canvas = renderer.domElement;
-        canvas.style.removeProperty('background');
-        canvas.style.removeProperty('background-color');
-        canvas.style.removeProperty('background-image');
-        
-        document.body.style.removeProperty('background');
-        document.body.style.removeProperty('background-color');
-        document.documentElement.style.removeProperty('background');
-        document.documentElement.style.removeProperty('background-color');
-    };
-    
-    // Test the print handler immediately (for debugging)
-    window.testPrintMode = () => {
-        console.log('🧪 Testing print mode (print events disabled during test)...');
-        isTestMode = true;
-        
-        if (testTimeout) {
-            clearTimeout(testTimeout);
-        }
-        
-        applyWhiteBackground();
-        console.log('✅ Test mode background set to white');
-        
-        testTimeout = setTimeout(() => {
-            console.log('🧪 Test complete, restoring...');
-            restoreBackground();
-            isTestMode = false;
-            testTimeout = null;
-            console.log('✅ Test mode complete, print events re-enabled');
-        }, 6000);
-    };
-    
-    // Cancel test mode early
-    window.cancelTestMode = () => {
-        if (testTimeout) {
-            clearTimeout(testTimeout);
-            testTimeout = null;
-        }
-        if (isTestMode) {
-            restoreBackground();
-            isTestMode = false;
-            console.log('🧪 Test mode cancelled, print events re-enabled');
-        }
-    };
-    
-    // Listen for print events
-    if (window.matchMedia) {
-        const mediaQueryList = window.matchMedia('print');
-        mediaQueryList.addEventListener('change', (mql) => {
-            console.log('📱 Media query change detected:', mql.matches ? 'PRINT' : 'SCREEN');
-            if (mql.matches) {
-                beforePrint();
-            } else {
-                afterPrint();
-            }
-        });
-    }
-    
-    // Fallback for older browsers
-    window.addEventListener('beforeprint', () => {
-        console.log('🖨️ beforeprint event fired');
-        beforePrint();
-    });
-    window.addEventListener('afterprint', () => {
-        console.log('🖨️ afterprint event fired');
-        afterPrint();
-    });
-    
-    console.log('🔧 Print event handlers set up.');
-    console.log('   Use window.testPrintMode() to test for 6 seconds');
-    console.log('   Use window.cancelTestMode() to end test early');
-}
-
-function setupPrintButton() {
-    const printBtn = document.getElementById('print-btn');
-    if (!printBtn) {
-        console.warn('Print button not found');
-        return;
-    }
-    
-    const originalBackgroundColor = scene.background;
-    const originalRendererClearColor = renderer.getClearColor(new THREE.Color());
-    const originalRendererClearAlpha = renderer.getClearAlpha();
-    
-    printBtn.addEventListener('click', () => {
-        console.log('🖨️ Manual print button clicked - forcing white background');
-        
-        // Force white background immediately
-        scene.background = new THREE.Color(0xffffff);
-        renderer.setClearColor(0xffffff, 1.0);
-        
-        // Force canvas and page backgrounds to white
-        const canvas = renderer.domElement;
-        canvas.style.setProperty('background', 'white', 'important');
-        canvas.style.setProperty('background-color', 'white', 'important');
-        canvas.style.setProperty('background-image', 'none', 'important');
-        
-        document.body.style.setProperty('background', 'white', 'important');
-        document.body.style.setProperty('background-color', 'white', 'important');
-        document.documentElement.style.setProperty('background', 'white', 'important');
-        document.documentElement.style.setProperty('background-color', 'white', 'important');
-        
-        // Force a render to apply changes
-        renderer.render(scene, camera);
-        
-        console.log('✅ Background forced to white, opening print dialog...');
-        
-        // Small delay to ensure changes are applied, then open print dialog
-        setTimeout(() => {
-            window.print();
-            
-            // Restore background after a delay to account for print dialog
-            setTimeout(() => {
-                console.log('🔄 Restoring original background...');
-                
-                scene.background = originalBackgroundColor;
-                renderer.setClearColor(originalRendererClearColor, originalRendererClearAlpha);
-                
-                canvas.style.removeProperty('background');
-                canvas.style.removeProperty('background-color');
-                canvas.style.removeProperty('background-image');
-                
-                document.body.style.removeProperty('background');
-                document.body.style.removeProperty('background-color');
-                document.documentElement.style.removeProperty('background');
-                document.documentElement.style.removeProperty('background-color');
-                
-                console.log('✅ Original background restored');
-            }, 1000); // Wait 1 second after print dialog opens
-        }, 100); // Small delay to apply changes
-    });
-    
-    console.log('🖨️ Manual print button set up');
-}
-
-function setupLighting() {
-    // Ambient light for overall illumination - increased intensity
-    const ambientLight = new THREE.AmbientLight(0x404040, 1.2);
-    scene.add(ambientLight);
-    
-    // Directional light (like sunlight) - increased intensity
-    const directionalLight = new THREE.DirectionalLight(0xffffff, 1.2);
-    directionalLight.position.set(10, 10, 5);
-    directionalLight.castShadow = true;
-    directionalLight.shadow.mapSize.width = 2048;
-    directionalLight.shadow.mapSize.height = 2048;
-    scene.add(directionalLight);
-    
-    // Point light for additional illumination - increased intensity
-    const pointLight = new THREE.PointLight(0xffffff, 0.8, 100);
-    pointLight.position.set(-10, 10, 10);
-    scene.add(pointLight);
-    
-    // Interior point lights (will be repositioned when model loads) - increased intensity
-    window.interiorLight = new THREE.PointLight(0xffffff, 0.8, 50);
-    window.interiorLight.position.set(0, 0, 0); // Will be moved to model center
-    scene.add(window.interiorLight);
-    
-    // Additional interior light for better coverage - increased intensity
-    window.interiorLight2 = new THREE.PointLight(0xffffff, 0.5, 30);
-    window.interiorLight2.position.set(5, 5, -5); // Will be adjusted relative to model
-    scene.add(window.interiorLight2);
-    
-    // Hemisphere light for natural lighting - increased intensity
-    const hemiLight = new THREE.HemisphereLight(0xffffff, 0x444444, 0.8);
-    scene.add(hemiLight);
-    
-    // Create environment map for glass reflections
-    setupEnvironmentMap();
-}
-
-function setupEnvironmentMap() {
-    // Create a simple cube texture for reflections (makes glass more visible)
-    const cubeTextureLoader = new THREE.CubeTextureLoader();
-    
-    // Create a procedural cube map for reflections
-    const envMapRenderTarget = new THREE.WebGLCubeRenderTarget(256, {
-        generateMipmaps: true,
-        minFilter: THREE.LinearMipmapLinearFilter
-    });
-    
-    // Simple gradient environment for reflections
-    const canvas = document.createElement('canvas');
-    canvas.width = 256;
-    canvas.height = 256;
-    const ctx = canvas.getContext('2d');
-    
-    // Create gradient for reflections
-    const gradient = ctx.createLinearGradient(0, 0, 0, 256);
-    gradient.addColorStop(0, '#87CEEB');  // Sky blue
-    gradient.addColorStop(0.5, '#F0F8FF'); // Alice blue
-    gradient.addColorStop(1, '#4682B4');   // Steel blue
-    
-    ctx.fillStyle = gradient;
-    ctx.fillRect(0, 0, 256, 256);
-    
-    // Convert to texture
-    const texture = new THREE.CanvasTexture(canvas);
-    texture.mapping = THREE.EquirectangularReflectionMapping;
-    
-    // Store for glass materials
-    window.environmentMap = texture;
-}
-
-function loadCubeModel() {
-    // Create loaders
-    const mtlLoader = new MTLLoader();
-    const objLoader = new OBJLoader();
-    
-    // Load material file first
-    mtlLoader.load('cube.mtl', function(materials) {
-        materials.preload();
-        
-        // Configure materials for double-sided rendering with proper transparency
-        Object.keys(materials.materials).forEach(function(key) {
-            const material = materials.materials[key];
-            material.side = THREE.DoubleSide;
-            
-            // Handle glass materials specially
-            if (key.toLowerCase().includes('glass')) {
-                material.transparent = true;
-                
-                // Preserve MTL file opacity values for glass materials
-                // Only apply default opacity if not already set in MTL
-                if (material.opacity === undefined || material.opacity === 1.0) {
-                    material.opacity = 0.7; // Fallback for visibility
-                }
-                
-                // Enhanced glass properties for better visibility
-                material.shininess = 100;
-                material.reflectivity = 0.8;
-                
-                // Glass-like color with slight tint for visibility
-                material.color = new THREE.Color(0.9, 0.95, 1.0);
-                
-                // Add specular highlights to make glass more apparent
-                material.specular = new THREE.Color(0.8, 0.9, 1.0);
-                
-                // Slight emissive to make glass edges more visible
-                if (material.emissive) {
-                    material.emissive.setHex(0x001122); // Very subtle blue glow
-                }
-                
-                // Apply environment map for reflections
-                if (window.environmentMap) {
-                    material.envMap = window.environmentMap;
-                    material.envMapIntensity = 0.9;
-                }
-                
-                console.log(`Glass material '${key}' configured with opacity: ${material.opacity}`);
-            } else {
-                // Non-glass materials
-                material.transparent = false;
-                material.opacity = 1.0;
-                
-                // Add emissive for interior visibility on solid materials
-                if (material.emissive) {
-                    material.emissive.setHex(0x222222); // Increased emissive brightness
-                } else {
-                    material.emissive = new THREE.Color(0x222222);
-                }
-            }
-            
-            material.needsUpdate = true;
-        });
-        
-        // Set materials to OBJ loader
-        objLoader.setMaterials(materials);
-        
-        // Load the OBJ file
-        objLoader.load('cube.obj', function(object) {
-            // Scale and position the model
-            object.scale.set(0.5, 0.5, 0.5);
-            object.position.set(0, 0, 0);
-            
-            // Enable shadows and fix materials for interior faces
-            object.traverse(function(child) {
-                if (child instanceof THREE.Mesh) {
-                    child.castShadow = true;
-                    child.receiveShadow = true;
-                    
-                    // Special handling for glass materials to improve visibility
-                    if (child.material && child.material.name && child.material.name.toLowerCase().includes('glass')) {
-                        // Glass-specific settings
-                        child.material.side = THREE.DoubleSide;
-                        child.material.transparent = true;
-                        
-                        // Preserve original opacity from MTL if available
-                        if (child.material.opacity === undefined || child.material.opacity === 1.0) {
-                            child.material.opacity = 0.7;
-                        }
-                        
-                        child.material.alphaTest = 0.1;
-                        
-                        // Enhanced reflective properties
-                        child.material.envMapIntensity = 0.9;
-                        
-                        // Apply environment map for reflections
-                        if (window.environmentMap) {
-                            child.material.envMap = window.environmentMap;
-                        }
-                        
-                        // Disable shadow casting for glass (more realistic)
-                        child.castShadow = false;
-                        child.receiveShadow = true;
-                        
-                        console.log('Applied glass-specific settings to mesh');
-                        
-                        // Add subtle wireframe to glass edges for better visibility
-                        if (child.geometry) {
-                            const wireframe = new THREE.EdgesGeometry(child.geometry);
-                            const wireframeMaterial = new THREE.LineBasicMaterial({ 
-                                color: 0x88aaff, 
-                                transparent: true, 
-                                opacity: 0.3,
-                                linewidth: 2
-                            });
-                            const wireframeLines = new THREE.LineSegments(wireframe, wireframeMaterial);
-                            child.add(wireframeLines);
-                        }
-                    } else {
-                        // Non-glass materials
-                        child.material.side = THREE.DoubleSide;
-                        child.material.transparent = false;
-                        child.material.opacity = 1.0;
-                        
-                        // Ensure proper lighting on both sides
-                        if (child.material.type === 'MeshLambertMaterial' || child.material.type === 'MeshPhongMaterial') {
-                            child.material.emissive = new THREE.Color(0x222222); // Increased self-illumination for brightness
-                        }
-                    }
-                    
-                    child.material.needsUpdate = true;
-                }
-            });
-            
-            // Store reference and add to scene
-            cube = object;
-            scene.add(cube);
-            
-            // Calculate model center and adjust controls
-            centerModelAndControls(cube);
-            
-            // Hide loading indicator
-            document.getElementById('loading').style.display = 'none';
-            
-            console.log('Cube loaded successfully!');
-        }, 
-        function(progress) {
-            console.log('Loading progress:', (progress.loaded / progress.total * 100) + '%');
-        },
-        function(error) {
-            console.error('Error loading OBJ file:', error);
-            document.getElementById('loading').innerHTML = 
-                '<div style="color: #ff6b6b;">Error loading model. Please check console for details.</div>';
-        });
-    }, 
-    function(progress) {
-        console.log('Loading MTL progress:', (progress.loaded / progress.total * 100) + '%');
-    },
-    function(error) {
-        console.error('Error loading MTL file:', error);
-        // Try to load OBJ without materials
-        loadObjWithoutMaterials();
-    });
-}
-
-function loadObjWithoutMaterials() {
-    const objLoader = new OBJLoader();
-    
-    objLoader.load('cube.obj', function(object) {
-        // Apply default material with better interior visibility
-        const defaultMaterial = new THREE.MeshPhongMaterial({
-            color: 0xffffff,
-            side: THREE.DoubleSide,
-            transparent: false,
-            opacity: 1.0,
-            emissive: new THREE.Color(0x222222), // Increased self-illumination for brightness
-            shininess: 30
-        });
-        
-        object.traverse(function(child) {
-            if (child instanceof THREE.Mesh) {
-                child.material = defaultMaterial.clone(); // Clone to avoid sharing
-                child.castShadow = true;
-                child.receiveShadow = true;
-            }
-        });
-        
-        // Scale and position
-        object.scale.set(0.5, 0.5, 0.5);
-        object.position.set(0, 0, 0);
-        
-        cube = object;
-        scene.add(cube);
-        
-        // Calculate model center and adjust controls
-        centerModelAndControls(cube);
-        
-        document.getElementById('loading').style.display = 'none';
-        console.log('Cube loaded without materials!');
-    },
-    function(progress) {
-        console.log('Loading progress:', (progress.loaded / progress.total * 100) + '%');
-    },
-    function(error) {
-        console.error('Error loading OBJ file:', error);
-        document.getElementById('loading').innerHTML = 
-            '<div style="color: #ff6b6b;">Failed to load model. Check if cube.obj exists.</div>';
-    });
-}
-
-function centerModelAndControls(object) {
-    // Calculate the bounding box of the model
-    const boundingBox = new THREE.Box3().setFromObject(object);
-    
-    // Get the center point of the bounding box
-    const center = boundingBox.getCenter(new THREE.Vector3());
-    
-    // Get the size of the bounding box
-    const size = boundingBox.getSize(new THREE.Vector3());
-    
-    // Set the orbit controls target to the model's center
-    controls.target.copy(center);
-    
-    // Calculate optimal camera distance based on model size
-    const maxDimension = Math.max(size.x, size.y, size.z);
-    const fov = camera.fov * (Math.PI / 180);
-    const distance = Math.abs(maxDimension / Math.sin(fov / 2)) * 1.2; // 1.2 for some padding
-    
-    // Position camera at optimal distance from model center
-    const direction = camera.position.clone().sub(center).normalize();
-    camera.position.copy(center).add(direction.multiplyScalar(distance));
-    
-    // Update camera to look at the model center
-    camera.lookAt(center);
-    
-    // Reposition interior lights relative to model center
-    if (window.interiorLight) {
-        window.interiorLight.position.copy(center);
-        
-        // Adjust light range based on model size
-        window.interiorLight.distance = maxDimension * 2;
-    }
-    
-    if (window.interiorLight2) {
-        window.interiorLight2.position.copy(center).add(new THREE.Vector3(
-            size.x * 0.3, 
-            size.y * 0.3, 
-            -size.z * 0.3
-        ));
-        window.interiorLight2.distance = maxDimension * 1.5;
-    }
-    
-    // Update controls
-    controls.update();
-    
-    // Add rotation logging
-    setupRotationLogging();
-    
-    console.log('Model centered at:', center);
-    console.log('Model size:', size);
-    console.log('Camera positioned at:', camera.position);
-}
-
-function setupRotationLogging() {
-    let debounceTimer = null;
-    
-    // Log rotation and zoom changes with 1-second debounce
-    controls.addEventListener('change', function() {
-        // Clear existing timer
-        if (debounceTimer) {
-            clearTimeout(debounceTimer);
-        }
-        
-        // Set new timer for 1 second delay
-        debounceTimer = setTimeout(() => {
-            const distance = camera.position.distanceTo(controls.target);
-            const position = camera.position.clone();
-            const target = controls.target.clone();
-            
-            // Calculate spherical coordinates for rotation
-            const spherical = new THREE.Spherical().setFromVector3(
-                position.clone().sub(target)
-            );
-            
-            console.log('=== CAMERA STATE ===');
-            console.log('Position:', {
-                x: Math.round(position.x * 100) / 100,
-                y: Math.round(position.y * 100) / 100,
-                z: Math.round(position.z * 100) / 100
-            });
-            console.log('Target:', {
-                x: Math.round(target.x * 100) / 100,
-                y: Math.round(target.y * 100) / 100,
-                z: Math.round(target.z * 100) / 100
-            });
-            console.log('Distance (Zoom):', Math.round(distance * 100) / 100);
-            console.log('Spherical Rotation:');
-            console.log('  - Radius:', Math.round(spherical.radius * 100) / 100);
-            console.log('  - Theta (horizontal):', Math.round(spherical.theta * 100) / 100, 'radians');
-            console.log('  - Phi (vertical):', Math.round(spherical.phi * 100) / 100, 'radians');
-            console.log('==================');
-            
-            debounceTimer = null;
-        }, 1000);
-    });
-    
-    console.log('Rotation logging enabled - camera state will be logged 1 second after movement stops');
-}
-
 function animate() {
     requestAnimationFrame(animate);
     
-    // Update controls
+    // Update FPV movement if in FPV mode
-    controls.update();
+    updateFPVMovement(camera);
+    
+    // Update controls (only if not in FPV mode)
+    if (!isFPVMode()) {
+        controls.update();
+    }
+    
+    // Update camera lights to follow camera position
+    updateCameraLights(camera, controls);
     
     // Clear and render with proper transparency sorting
     renderer.clear();
     renderer.render(scene, camera);
 }
 
-function onWindowResize() {
-    camera.aspect = window.innerWidth / window.innerHeight;
-    camera.updateProjectionMatrix();
-    renderer.setSize(window.innerWidth, window.innerHeight);
-}
-
 // Initialize when page loads
 window.addEventListener('load', async () => {
     await init();
-});
+});

src/lighting.js

@@ -0,0 +1,158 @@
+import * as THREE from 'three';
+
+export function setupLighting(scene, camera) {
+    // Ambient light for overall illumination - reduced intensity
+    const ambientLight = new THREE.AmbientLight(0x404040, 0.4);
+    scene.add(ambientLight);
+    
+    // Directional light (like sunlight) - reduced intensity
+    const directionalLight = new THREE.DirectionalLight(0xffffff, 0.6);
+    directionalLight.position.set(10, 10, 5);
+    directionalLight.castShadow = true;
+    directionalLight.shadow.mapSize.width = 2048;
+    directionalLight.shadow.mapSize.height = 2048;
+    scene.add(directionalLight);
+    
+    // Point light for additional illumination - increased intensity
+    const pointLight = new THREE.PointLight(0xffffff, 0.8, 100);
+    pointLight.position.set(-10, 10, 10);
+    scene.add(pointLight);
+    
+    // Enhanced camera point light - follows the camera to illuminate from viewing angle
+    window.cameraLight = new THREE.PointLight(0xffffff, 0.8, 300);
+    window.cameraLight.position.copy(camera.position);
+    scene.add(window.cameraLight);
+    
+    // Camera spotlight for focused illumination (like a headlamp)
+    window.cameraSpotlight = new THREE.SpotLight(0xffffff, 0.5, 150, Math.PI / 6, 0.2);
+    window.cameraSpotlight.position.copy(camera.position);
+    window.cameraSpotlight.target.position.set(0, 0, 0); // Point at origin initially
+    scene.add(window.cameraSpotlight);
+    scene.add(window.cameraSpotlight.target);
+    
+    // Additional camera directional light (like a flashlight)
+    window.cameraDirectionalLight = new THREE.DirectionalLight(0xffffff, 0.3);
+    window.cameraDirectionalLight.position.copy(camera.position);
+    window.cameraDirectionalLight.target.position.set(0, 0, -1);
+    scene.add(window.cameraDirectionalLight);
+    scene.add(window.cameraDirectionalLight.target);
+    
+    // Interior point lights (will be repositioned when model loads) - increased intensity
+    window.interiorLight = new THREE.PointLight(0xffffff, 0.8, 50);
+    window.interiorLight.position.set(0, 0, 0); // Will be moved to model center
+    scene.add(window.interiorLight);
+    
+    // Additional interior light for better coverage - increased intensity
+    window.interiorLight2 = new THREE.PointLight(0xffffff, 0.5, 30);
+    window.interiorLight2.position.set(5, 5, -5); // Will be adjusted relative to model
+    scene.add(window.interiorLight2);
+    
+    // Hemisphere light for natural lighting - reduced intensity
+    const hemiLight = new THREE.HemisphereLight(0xffffff, 0x444444, 0.4);
+    scene.add(hemiLight);
+    
+    console.log('✨ Enhanced camera lights added - headlamp-style illumination will follow your view');
+    
+    // Create environment map for glass reflections
+    setupEnvironmentMap();
+}
+
+export function setupEnvironmentMap() {
+    // Create a simple cube texture for reflections (makes glass more visible)
+    const cubeTextureLoader = new THREE.CubeTextureLoader();
+    
+    // Create a procedural cube map for reflections
+    const envMapRenderTarget = new THREE.WebGLCubeRenderTarget(256, {
+        generateMipmaps: true,
+        minFilter: THREE.LinearMipmapLinearFilter
+    });
+    
+    // Simple gradient environment for reflections
+    const canvas = document.createElement('canvas');
+    canvas.width = 256;
+    canvas.height = 256;
+    const ctx = canvas.getContext('2d');
+    
+    // Create gradient for reflections
+    const gradient = ctx.createLinearGradient(0, 0, 0, 256);
+    gradient.addColorStop(0, '#87CEEB');  // Sky blue
+    gradient.addColorStop(0.5, '#F0F8FF'); // Alice blue
+    gradient.addColorStop(1, '#4682B4');   // Steel blue
+    
+    ctx.fillStyle = gradient;
+    ctx.fillRect(0, 0, 256, 256);
+    
+    // Convert to texture
+    const texture = new THREE.CanvasTexture(canvas);
+    texture.mapping = THREE.EquirectangularReflectionMapping;
+    
+    // Store for glass materials
+    window.environmentMap = texture;
+}
+
+export function updateCameraLights(camera, controls) {
+    // Update camera lights to follow camera position
+    if (window.cameraLight) {
+        window.cameraLight.position.copy(camera.position);
+    }
+    
+    if (window.cameraSpotlight) {
+        window.cameraSpotlight.position.copy(camera.position);
+        
+        // Calculate where the camera is looking
+        const lookDirection = new THREE.Vector3(0, 0, -1);
+        lookDirection.applyQuaternion(camera.quaternion);
+        
+        // Set spotlight target based on camera direction
+        const targetPosition = camera.position.clone().add(lookDirection.multiplyScalar(10));
+        window.cameraSpotlight.target.position.copy(targetPosition);
+    }
+    
+    if (window.cameraDirectionalLight) {
+        window.cameraDirectionalLight.position.copy(camera.position);
+        
+        // Calculate where the camera is looking for directional light
+        const lookDirection = new THREE.Vector3(0, 0, -1);
+        lookDirection.applyQuaternion(camera.quaternion);
+        
+        // Set directional light target based on camera direction
+        const targetPosition = camera.position.clone().add(lookDirection.multiplyScalar(5));
+        window.cameraDirectionalLight.target.position.copy(targetPosition);
+    }
+}
+
+export function adjustLightsForModel(modelBounds) {
+    const { center, size } = modelBounds;
+    const maxDimension = Math.max(size.x, size.y, size.z);
+    
+    // Reposition interior lights relative to model center
+    if (window.interiorLight) {
+        window.interiorLight.position.copy(center);
+        
+        // Adjust light range based on model size
+        window.interiorLight.distance = maxDimension * 2;
+    }
+    
+    if (window.interiorLight2) {
+        window.interiorLight2.position.copy(center).add(new THREE.Vector3(
+            size.x * 0.3, 
+            size.y * 0.3, 
+            -size.z * 0.3
+        ));
+        window.interiorLight2.distance = maxDimension * 1.5;
+    }
+    
+    // Update camera lights based on model size
+    if (window.cameraLight) {
+        window.cameraLight.distance = maxDimension * 4; // Adjust range based on model size
+    }
+    
+    if (window.cameraSpotlight) {
+        window.cameraSpotlight.distance = maxDimension * 3;
+    }
+    
+    if (window.cameraDirectionalLight) {
+        // Directional lights don't have distance, but we can adjust intensity
+        window.cameraDirectionalLight.intensity = 1.0;
+    }
+}

src/model-loader.js

@@ -0,0 +1,317 @@
+import * as THREE from 'three';
+import { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader.js';
+import { MTLLoader } from 'three/examples/jsm/loaders/MTLLoader.js';
+import { adjustLightsForModel } from './lighting.js';
+
+export function loadCubeModel(scene, camera, controls, onLoadComplete) {
+    // Create loaders
+    const mtlLoader = new MTLLoader();
+    const objLoader = new OBJLoader();
+    
+    // Load material file first
+    mtlLoader.load('cube.mtl', function(materials) {
+        materials.preload();
+        
+        // Configure materials with proper transparency
+        Object.keys(materials.materials).forEach(function(key) {
+            const material = materials.materials[key];
+            // Only set DoubleSide for glass materials, others use FrontSide
+            material.side = key.toLowerCase().includes('glass') ? THREE.DoubleSide : THREE.FrontSide;
+            
+            // Handle glass materials specially
+            if (key.toLowerCase().includes('glass')) {
+                material.transparent = true;
+                
+                // Preserve MTL file opacity values for glass materials
+                // Only apply default opacity if not already set in MTL
+                if (material.opacity === undefined || material.opacity === 1.0) {
+                    material.opacity = 0.7; // Fallback for visibility
+                }
+                
+                // Enhanced glass properties for better visibility
+                material.shininess = 100;
+                material.reflectivity = 0.8;
+                
+                // Glass-like color with slight tint for visibility
+                material.color = new THREE.Color(0.9, 0.95, 1.0);
+                
+                // Add specular highlights to make glass more apparent
+                material.specular = new THREE.Color(0.8, 0.9, 1.0);
+                
+                // Slight emissive to make glass edges more visible
+                if (material.emissive) {
+                    material.emissive.setHex(0x001122); // Very subtle blue glow
+                }
+                
+                // Apply environment map for reflections
+                if (window.environmentMap) {
+                    material.envMap = window.environmentMap;
+                    material.envMapIntensity = 0.9;
+                }
+                
+                console.log(`Glass material '${key}' configured with opacity: ${material.opacity}`);
+            } else {
+                // Non-glass materials
+                material.transparent = false;
+                material.opacity = 1.0;
+                
+                // Add subtle emissive for interior visibility on solid materials
+                if (material.emissive) {
+                    material.emissive.setHex(0x111111); // Reduced emissive brightness
+                } else {
+                    material.emissive = new THREE.Color(0x111111);
+                }
+            }
+            
+            material.needsUpdate = true;
+        });
+        
+        // Set materials to OBJ loader
+        objLoader.setMaterials(materials);
+        
+        // Load the OBJ file
+        objLoader.load('cube.obj', function(object) {
+            // Scale and position the model
+            object.scale.set(0.5, 0.5, 0.5);
+            object.position.set(0, 0, 0);
+            
+            // Enable shadows and fix materials for interior faces
+            object.traverse(function(child) {
+                if (child instanceof THREE.Mesh) {
+                    child.castShadow = true;
+                    child.receiveShadow = true;
+                    
+                    // Special handling for glass materials to improve visibility
+                    if (child.material && child.material.name && child.material.name.toLowerCase().includes('glass')) {
+                        // Glass-specific settings
+                        child.material.side = THREE.DoubleSide;
+                        child.material.transparent = true;
+                        
+                        // Preserve original opacity from MTL if available
+                        if (child.material.opacity === undefined || child.material.opacity === 1.0) {
+                            child.material.opacity = 0.7;
+                        }
+                        
+                        child.material.alphaTest = 0.1;
+                        
+                        // Enhanced reflective properties
+                        child.material.envMapIntensity = 0.9;
+                        
+                        // Apply environment map for reflections
+                        if (window.environmentMap) {
+                            child.material.envMap = window.environmentMap;
+                        }
+                        
+                        // Disable shadow casting for glass (more realistic)
+                        child.castShadow = false;
+                        child.receiveShadow = true;
+                        
+                        console.log('Applied glass-specific settings to mesh');
+                        
+                        // Add subtle wireframe to glass edges for better visibility
+                        if (child.geometry) {
+                            const wireframe = new THREE.EdgesGeometry(child.geometry);
+                            const wireframeMaterial = new THREE.LineBasicMaterial({ 
+                                color: 0x88aaff, 
+                                transparent: true, 
+                                opacity: 0.3,
+                                linewidth: 2
+                            });
+                            const wireframeLines = new THREE.LineSegments(wireframe, wireframeMaterial);
+                            child.add(wireframeLines);
+                        }
+                    } else {
+                        // Non-glass materials - fix texture appearing on both sides
+                        child.material.side = THREE.FrontSide;
+                        child.material.transparent = false;
+                        child.material.opacity = 1.0;
+                        
+                        // Ensure proper lighting
+                        if (child.material.type === 'MeshLambertMaterial' || child.material.type === 'MeshPhongMaterial') {
+                            child.material.emissive = new THREE.Color(0x222222); // Increased self-illumination for brightness
+                        }
+                    }
+                    
+                    child.material.needsUpdate = true;
+                }
+            });
+            
+            // Store reference and add to scene
+            window.cube = object;
+            scene.add(object);
+            
+            // Calculate model center and adjust controls
+            centerModelAndControls(object, camera, controls);
+            
+            // Hide loading indicator
+            document.getElementById('loading').style.display = 'none';
+            
+            console.log('Cube loaded successfully!');
+            
+            if (onLoadComplete) {
+                onLoadComplete(object);
+            }
+        }, 
+        function(progress) {
+            console.log('Loading progress:', (progress.loaded / progress.total * 100) + '%');
+        },
+        function(error) {
+            console.error('Error loading OBJ file:', error);
+            document.getElementById('loading').innerHTML = 
+                '<div style="color: #ff6b6b;">Error loading model. Please check console for details.</div>';
+        });
+    }, 
+    function(progress) {
+        console.log('Loading MTL progress:', (progress.loaded / progress.total * 100) + '%');
+    },
+    function(error) {
+        console.error('Error loading MTL file:', error);
+        // Try to load OBJ without materials
+        loadObjWithoutMaterials(scene, camera, controls, onLoadComplete);
+    });
+}
+
+export function loadObjWithoutMaterials(scene, camera, controls, onLoadComplete) {
+    const objLoader = new OBJLoader();
+    
+    objLoader.load('cube.obj', function(object) {
+        // Apply default material with better interior visibility
+        const defaultMaterial = new THREE.MeshPhongMaterial({
+            color: 0xffffff,
+            side: THREE.FrontSide, // Fix texture appearing on both sides
+            transparent: false,
+            opacity: 1.0,
+            emissive: new THREE.Color(0x222222), // Increased self-illumination for brightness
+            shininess: 30
+        });
+        
+        object.traverse(function(child) {
+            if (child instanceof THREE.Mesh) {
+                child.material = defaultMaterial.clone(); // Clone to avoid sharing
+                child.castShadow = true;
+                child.receiveShadow = true;
+            }
+        });
+        
+        // Scale and position
+        object.scale.set(0.5, 0.5, 0.5);
+        object.position.set(0, 0, 0);
+        
+        window.cube = object;
+        scene.add(object);
+        
+        // Calculate model center and adjust controls
+        centerModelAndControls(object, camera, controls);
+        
+        document.getElementById('loading').style.display = 'none';
+        console.log('Cube loaded without materials!');
+        
+        if (onLoadComplete) {
+            onLoadComplete(object);
+        }
+    },
+    function(progress) {
+        console.log('Loading progress:', (progress.loaded / progress.total * 100) + '%');
+    },
+    function(error) {
+        console.error('Error loading OBJ file:', error);
+        document.getElementById('loading').innerHTML = 
+            '<div style="color: #ff6b6b;">Failed to load model. Check if cube.obj exists.</div>';
+    });
+}
+
+function centerModelAndControls(object, camera, controls) {
+    // Calculate the bounding box of the model
+    const boundingBox = new THREE.Box3().setFromObject(object);
+    
+    // Get the center point of the bounding box
+    const center = boundingBox.getCenter(new THREE.Vector3());
+    
+    // Get the size of the bounding box
+    const size = boundingBox.getSize(new THREE.Vector3());
+    
+    // Store model bounds for FPV mode
+    window.modelBounds = { boundingBox, center, size };
+    window.groundLevel = boundingBox.min.y;
+    window.ceilingLevel = boundingBox.max.y;
+    window.eyeHeight = window.groundLevel + (window.ceilingLevel - window.groundLevel) * 0.55;
+    
+    console.log('FPV bounds calculated:');
+    console.log('Ground level:', window.groundLevel);
+    console.log('Ceiling level:', window.ceilingLevel); 
+    console.log('Eye height (50%):', window.eyeHeight);
+    
+    // Set the orbit controls target to the model's center
+    controls.target.copy(center);
+    
+    // Calculate optimal camera distance based on model size
+    const maxDimension = Math.max(size.x, size.y, size.z);
+    const fov = camera.fov * (Math.PI / 180);
+    const distance = Math.abs(maxDimension / Math.sin(fov / 2)) * 1.2; // 1.2 for some padding
+    
+    // Position camera at optimal distance from model center
+    const direction = camera.position.clone().sub(center).normalize();
+    camera.position.copy(center).add(direction.multiplyScalar(distance));
+    
+    // Update camera to look at the model center
+    camera.lookAt(center);
+    
+    // Adjust lights based on model size
+    adjustLightsForModel({ center, size });
+    
+    // Update controls
+    controls.update();
+    
+    // Add rotation logging
+    setupRotationLogging(camera, controls);
+    
+    console.log('Model centered at:', center);
+    console.log('Model size:', size);
+    console.log('Camera positioned at:', camera.position);
+}
+
+function setupRotationLogging(camera, controls) {
+    let debounceTimer = null;
+    
+    // Log rotation and zoom changes with 1-second debounce
+    controls.addEventListener('change', function() {
+        // Clear existing timer
+        if (debounceTimer) {
+            clearTimeout(debounceTimer);
+        }
+        
+        // Set new timer for 1 second delay
+        debounceTimer = setTimeout(() => {
+            const distance = camera.position.distanceTo(controls.target);
+            const position = camera.position.clone();
+            const target = controls.target.clone();
+            
+            // Calculate spherical coordinates for rotation
+            const spherical = new THREE.Spherical().setFromVector3(
+                position.clone().sub(target)
+            );
+            
+            console.log('=== CAMERA STATE ===');
+            console.log('Position:', {
+                x: Math.round(position.x * 100) / 100,
+                y: Math.round(position.y * 100) / 100,
+                z: Math.round(position.z * 100) / 100
+            });
+            console.log('Target:', {
+                x: Math.round(target.x * 100) / 100,
+                y: Math.round(target.y * 100) / 100,
+                z: Math.round(target.z * 100) / 100
+            });
+            console.log('Distance (Zoom):', Math.round(distance * 100) / 100);
+            console.log('Spherical Rotation:');
+            console.log('  - Radius:', Math.round(spherical.radius * 100) / 100);
+            console.log('  - Theta (horizontal):', Math.round(spherical.theta * 100) / 100, 'radians');
+            console.log('  - Phi (vertical):', Math.round(spherical.phi * 100) / 100, 'radians');
+            console.log('==================');
+            
+            debounceTimer = null;
+        }, 1000);
+    });
+    
+    console.log('Rotation logging enabled - camera state will be logged 1 second after movement stops');
+}

src/print-handlers.js

@@ -0,0 +1,235 @@
+import * as THREE from 'three';
+
+export function setupPrintHandlers(scene, renderer) {
+    const originalBackgroundColor = scene.background;
+    const originalRendererClearColor = renderer.getClearColor(new THREE.Color());
+    const originalRendererClearAlpha = renderer.getClearAlpha();
+    
+    let isTestMode = false;
+    let testTimeout = null;
+    
+    // Before print - change background to white and make renderer opaque
+    const beforePrint = () => {
+        if (isTestMode) {
+            console.log('🚫 Print event ignored - test mode is active');
+            return;
+        }
+        
+        console.log('🖨️ PRINT MODE ACTIVATED - Changing background to white');
+        
+        // Force scene background to white
+        scene.background = new THREE.Color(0xffffff);
+        
+        // Set renderer clear color to white
+        renderer.setClearColor(0xffffff, 1.0);
+        
+        // Force canvas background to white with multiple methods
+        const canvas = renderer.domElement;
+        canvas.style.setProperty('background', 'white', 'important');
+        canvas.style.setProperty('background-color', 'white', 'important');
+        canvas.style.setProperty('background-image', 'none', 'important');
+        
+        // Also set body and html backgrounds
+        document.body.style.setProperty('background', 'white', 'important');
+        document.body.style.setProperty('background-color', 'white', 'important');
+        document.documentElement.style.setProperty('background', 'white', 'important');
+        document.documentElement.style.setProperty('background-color', 'white', 'important');
+        
+        // Force a render to apply changes immediately
+        renderer.render(scene, window.camera);
+        
+        console.log('✅ Print background forcibly set to white');
+    };
+    
+    // After print - restore original background
+    const afterPrint = () => {
+        if (isTestMode) {
+            console.log('🚫 Print restore ignored - test mode is active');
+            return;
+        }
+        
+        console.log('🖨️ PRINT MODE DEACTIVATED - Restoring original background');
+        
+        // Restore original settings
+        scene.background = originalBackgroundColor;
+        renderer.setClearColor(originalRendererClearColor, originalRendererClearAlpha);
+        
+        // Remove forced styles
+        const canvas = renderer.domElement;
+        canvas.style.removeProperty('background');
+        canvas.style.removeProperty('background-color');
+        canvas.style.removeProperty('background-image');
+        
+        document.body.style.removeProperty('background');
+        document.body.style.removeProperty('background-color');
+        document.documentElement.style.removeProperty('background');
+        document.documentElement.style.removeProperty('background-color');
+        
+        console.log('✅ Original background restored');
+    };
+    
+    // Apply white background (used by both test and print modes)
+    const applyWhiteBackground = () => {
+        // Force scene background to white
+        scene.background = new THREE.Color(0xffffff);
+        
+        // Set renderer clear color to white
+        renderer.setClearColor(0xffffff, 1.0);
+        
+        // Force canvas background to white with multiple methods
+        const canvas = renderer.domElement;
+        canvas.style.setProperty('background', 'white', 'important');
+        canvas.style.setProperty('background-color', 'white', 'important');
+        canvas.style.setProperty('background-image', 'none', 'important');
+        
+        // Also set body and html backgrounds
+        document.body.style.setProperty('background', 'white', 'important');
+        document.body.style.setProperty('background-color', 'white', 'important');
+        document.documentElement.style.setProperty('background', 'white', 'important');
+        document.documentElement.style.setProperty('background-color', 'white', 'important');
+        
+        // Force a render to apply changes immediately
+        renderer.render(scene, window.camera);
+    };
+    
+    // Restore original background (used by both test and print modes)
+    const restoreBackground = () => {
+        // Restore original settings
+        scene.background = originalBackgroundColor;
+        renderer.setClearColor(originalRendererClearColor, originalRendererClearAlpha);
+        
+        // Remove forced styles
+        const canvas = renderer.domElement;
+        canvas.style.removeProperty('background');
+        canvas.style.removeProperty('background-color');
+        canvas.style.removeProperty('background-image');
+        
+        document.body.style.removeProperty('background');
+        document.body.style.removeProperty('background-color');
+        document.documentElement.style.removeProperty('background');
+        document.documentElement.style.removeProperty('background-color');
+    };
+    
+    // Test the print handler immediately (for debugging)
+    window.testPrintMode = () => {
+        console.log('🧪 Testing print mode (print events disabled during test)...');
+        isTestMode = true;
+        
+        if (testTimeout) {
+            clearTimeout(testTimeout);
+        }
+        
+        applyWhiteBackground();
+        console.log('✅ Test mode background set to white');
+        
+        testTimeout = setTimeout(() => {
+            console.log('🧪 Test complete, restoring...');
+            restoreBackground();
+            isTestMode = false;
+            testTimeout = null;
+            console.log('✅ Test mode complete, print events re-enabled');
+        }, 6000);
+    };
+    
+    // Cancel test mode early
+    window.cancelTestMode = () => {
+        if (testTimeout) {
+            clearTimeout(testTimeout);
+            testTimeout = null;
+        }
+        if (isTestMode) {
+            restoreBackground();
+            isTestMode = false;
+            console.log('🧪 Test mode cancelled, print events re-enabled');
+        }
+    };
+    
+    // Listen for print events
+    if (window.matchMedia) {
+        const mediaQueryList = window.matchMedia('print');
+        mediaQueryList.addEventListener('change', (mql) => {
+            console.log('📱 Media query change detected:', mql.matches ? 'PRINT' : 'SCREEN');
+            if (mql.matches) {
+                beforePrint();
+            } else {
+                afterPrint();
+            }
+        });
+    }
+    
+    // Fallback for older browsers
+    window.addEventListener('beforeprint', () => {
+        console.log('🖨️ beforeprint event fired');
+        beforePrint();
+    });
+    window.addEventListener('afterprint', () => {
+        console.log('🖨️ afterprint event fired');
+        afterPrint();
+    });
+    
+    console.log('🔧 Print event handlers set up.');
+    console.log('   Use window.testPrintMode() to test for 6 seconds');
+    console.log('   Use window.cancelTestMode() to end test early');
+}
+
+export function setupPrintButton(scene, renderer) {
+    const printBtn = document.getElementById('print-btn');
+    if (!printBtn) {
+        console.warn('Print button not found');
+        return;
+    }
+    
+    const originalBackgroundColor = scene.background;
+    const originalRendererClearColor = renderer.getClearColor(new THREE.Color());
+    const originalRendererClearAlpha = renderer.getClearAlpha();
+    
+    printBtn.addEventListener('click', () => {
+        console.log('🖨️ Manual print button clicked - forcing white background');
+        
+        // Force white background immediately
+        scene.background = new THREE.Color(0xffffff);
+        renderer.setClearColor(0xffffff, 1.0);
+        
+        // Force canvas and page backgrounds to white
+        const canvas = renderer.domElement;
+        canvas.style.setProperty('background', 'white', 'important');
+        canvas.style.setProperty('background-color', 'white', 'important');
+        canvas.style.setProperty('background-image', 'none', 'important');
+        
+        document.body.style.setProperty('background', 'white', 'important');
+        document.body.style.setProperty('background-color', 'white', 'important');
+        document.documentElement.style.setProperty('background', 'white', 'important');
+        document.documentElement.style.setProperty('background-color', 'white', 'important');
+        
+        // Force a render to apply changes
+        renderer.render(scene, window.camera);
+        
+        console.log('✅ Background forced to white, opening print dialog...');
+        
+        // Small delay to ensure changes are applied, then open print dialog
+        setTimeout(() => {
+            window.print();
+            
+            // Restore background after a delay to account for print dialog
+            setTimeout(() => {
+                console.log('🔄 Restoring original background...');
+                
+                scene.background = originalBackgroundColor;
+                renderer.setClearColor(originalRendererClearColor, originalRendererClearAlpha);
+                
+                canvas.style.removeProperty('background');
+                canvas.style.removeProperty('background-color');
+                canvas.style.removeProperty('background-image');
+                
+                document.body.style.removeProperty('background');
+                document.body.style.removeProperty('background-color');
+                document.documentElement.style.removeProperty('background');
+                document.documentElement.style.removeProperty('background-color');
+                
+                console.log('✅ Original background restored');
+            }, 1000); // Wait 1 second after print dialog opens
+        }, 100); // Small delay to apply changes
+    });
+    
+    console.log('🖨️ Manual print button set up');
+}

src/scene-setup.js

@@ -0,0 +1,97 @@
+import * as THREE from 'three';
+import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js';
+
+export function createScene(cameraConfig) {
+    // Create container
+    const container = document.getElementById('container');
+    
+    // Create scene
+    const scene = new THREE.Scene();
+    scene.background = new THREE.Color(0x2c3e50);
+    
+    // Create camera with extended far clipping plane for better zoom out
+    const camera = new THREE.PerspectiveCamera(
+        75, // Field of view
+        window.innerWidth / window.innerHeight, // Aspect ratio
+        0.1, // Near clipping plane
+        10000 // Extended far clipping plane for better zoom out
+    );
+    // Use camera config values or defaults
+    const camPos = cameraConfig.camera.position;
+    const camTarget = cameraConfig.camera.target;
+    camera.position.set(camPos.x, camPos.y, camPos.z);
+    camera.lookAt(camTarget.x, camTarget.y, camTarget.z);
+    
+    // Create renderer
+    const renderer = new THREE.WebGLRenderer({ 
+        antialias: true,
+        alpha: true 
+    });
+    renderer.setSize(window.innerWidth, window.innerHeight);
+    renderer.shadowMap.enabled = true;
+    renderer.shadowMap.type = THREE.PCFSoftShadowMap;
+    renderer.outputColorSpace = THREE.SRGBColorSpace;
+    renderer.toneMapping = THREE.ACESFilmicToneMapping;
+    renderer.toneMappingExposure = 1.8; // Higher exposure for brighter gamma-corrected appearance
+    
+    // Enable proper transparency rendering
+    renderer.sortObjects = true;
+    renderer.autoClear = false;
+    
+    container.appendChild(renderer.domElement);
+    
+    // Add orbit controls with enhanced touch support
+    const controls = new OrbitControls(camera, renderer.domElement);
+    controls.enableDamping = true;
+    controls.dampingFactor = 0.05;
+    controls.enableZoom = true;
+    controls.enablePan = true;
+    controls.enableRotate = true;
+    
+    // Touch-specific settings
+    controls.touches = {
+        ONE: THREE.TOUCH.ROTATE,    // Single finger touch for rotation
+        TWO: THREE.TOUCH.DOLLY_PAN  // Two fingers for zoom and pan
+    };
+    
+    // Enhanced touch sensitivity and limits
+    controls.rotateSpeed = 1.0;     // Rotation speed
+    controls.zoomSpeed = 2.0;       // Increased zoom speed for faster mouse wheel
+    controls.panSpeed = 0.8;        // Pan speed
+    // Sync zoom limits with camera clipping planes
+    controls.minDistance = 0.1;     // Match camera near plane
+    controls.maxDistance = 8000;    // Stay within camera far plane (10000) with buffer
+    
+    // Smooth touch interactions
+    controls.enableDamping = true;
+    controls.dampingFactor = 0.08;  // Slightly higher for smoother touch
+    
+    // Add custom touch event handlers
+    setupCustomTouchControls(renderer);
+    
+    return { scene, camera, renderer, controls };
+}
+
+export function setupCustomTouchControls(renderer) {
+    const canvas = renderer.domElement;
+    
+    // Add touch-friendly CSS for better interaction
+    canvas.style.touchAction = 'none';
+    canvas.style.userSelect = 'none';
+    canvas.style.webkitUserSelect = 'none';
+    canvas.style.mozUserSelect = 'none';
+    canvas.style.msUserSelect = 'none';
+    
+    // Prevent context menu on long press
+    canvas.addEventListener('contextmenu', function(event) {
+        event.preventDefault();
+    }, { passive: false });
+    
+    console.log('Touch controls enabled - OrbitControls handles all touch gestures natively');
+}
+
+export function onWindowResize(camera, renderer) {
+    camera.aspect = window.innerWidth / window.innerHeight;
+    camera.updateProjectionMatrix();
+    renderer.setSize(window.innerWidth, window.innerHeight);
+}