/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1");

/**** 
* Classes
****/ 
var Checkpoint = Container.expand(function (x, y) {
	var self = Container.call(this);
	var checkpointGraphics = self.attachAsset('checkpoint', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.x = x;
	self.y = y;
	self.activated = false;
	return self;
});
var Ground = Container.expand(function (x, y, width) {
	var self = Container.call(this);
	var groundGraphics = self.attachAsset('ground', {
		anchorX: 0,
		anchorY: 0
	});
	groundGraphics.width = width || 200;
	self.x = x;
	self.y = y;
	return self;
});
var LevelButton = Container.expand(function (levelNum, x, y) {
	var self = Container.call(this);
	var buttonGraphics = self.attachAsset('levelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.levelNum = levelNum;
	self.x = x;
	self.y = y;
	self.locked = levelNum > 1 && !storage.completedLevels[levelNum - 1];
	// Set button color based on status
	if (self.locked) {
		buttonGraphics.tint = 0x666666;
	} else if (storage.completedLevels[levelNum]) {
		buttonGraphics.tint = 0x00ff00;
	}
	// Level number text
	self.levelText = new Text2(levelNum.toString(), {
		size: 40,
		fill: 0xFFFFFF
	});
	self.levelText.anchor.set(0.5, 0.5);
	self.addChild(self.levelText);
	self.down = function (x, y, obj) {
		if (!self.locked) {
			currentLevel = self.levelNum;
			showGameplay();
		}
	};
	return self;
});
var Platform = Container.expand(function (x, y, width) {
	var self = Container.call(this);
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0,
		anchorY: 0
	});
	platformGraphics.width = width || 200;
	self.x = x;
	self.y = y;
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	self.isShipMode = false;
	self.playerGraphics = null;
	self.shipGraphics = null;
	self.setMode = function (isShip) {
		if (self.playerGraphics) {
			self.removeChild(self.playerGraphics);
			self.playerGraphics = null;
		}
		if (self.shipGraphics) {
			self.removeChild(self.shipGraphics);
			self.shipGraphics = null;
		}
		self.isShipMode = isShip;
		if (isShip) {
			self.shipGraphics = self.attachAsset('ship', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else {
			self.playerGraphics = self.attachAsset('player', {
				anchorX: 0.5,
				anchorY: 1.0
			});
		}
	};
	// Initialize with player mode
	self.setMode(false);
	self.velocityY = 0;
	self.isGrounded = false;
	self.isDead = false;
	self.isFlying = false;
	self.jump = function () {
		if (self.isShipMode) {
			if (!self.isDead) {
				self.isFlying = true;
				self.velocityY = -12;
				LK.getSound('jump').play();
			}
		} else {
			if (self.isGrounded && !self.isDead) {
				self.velocityY = -24;
				self.isGrounded = false;
				LK.getSound('jump').play();
			}
		}
	};
	self.stopJump = function () {
		if (self.isShipMode) {
			self.isFlying = false;
		}
	};
	self.update = function () {
		if (self.isDead) return;
		if (self.isShipMode) {
			// Ship mode physics
			if (self.isFlying) {
				self.velocityY -= 2.5;
			} else {
				self.velocityY += 2.0;
			}
			// Limit ship velocity
			if (self.velocityY > 18) self.velocityY = 18;
			if (self.velocityY < -18) self.velocityY = -18;
			self.y += self.velocityY;
			// Ship ground collision
			if (self.y >= groundLevel - 20) {
				self.y = groundLevel - 20;
				self.velocityY = 0;
			}
			// Ship ceiling collision
			if (self.y <= 100) {
				self.y = 100;
				self.velocityY = 0;
			}
		} else {
			// Regular cube mode physics
			self.velocityY += 2.0;
			self.y += self.velocityY;
			// Ground collision
			if (self.y >= groundLevel) {
				self.y = groundLevel;
				self.velocityY = 0;
				self.isGrounded = true;
			}
		}
	};
	return self;
});
var Spike = Container.expand(function (x, y) {
	var self = Container.call(this);
	var spikeGraphics = self.attachAsset('spike', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.x = x;
	self.y = y;
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222222
});

/**** 
* Game Code
****/ 
// Game states
var gameState = 'menu'; // 'menu' or 'playing'
var currentLevel = 1;
var maxLevels = 50;
var groundLevel = 2400;
var cameraX = 0;
var scrollSpeed = 12;
// Player variables
var player;
var playerStartX = 300;
var playerStartY = groundLevel;
// Level data
var obstacles = [];
var platforms = [];
var grounds = [];
var checkpoints = [];
var currentCheckpoint = 0;
var levelData = {};
// UI elements
var levelButtons = [];
var backButton;
var levelCompleteText;
var deathCount = 0;
// Storage initialization
if (!storage.completedLevels) {
	storage.completedLevels = {};
}
if (!storage.currentLevel) {
	storage.currentLevel = 1;
}
// Initialize level data with unique patterns for each level
function initializeLevelData() {
	for (var i = 1; i <= maxLevels; i++) {
		levelData[i] = {
			spikes: [],
			platforms: [],
			checkpoints: [],
			length: 2500 + i * 150,
			shipMode: false
		};
		// Define unique patterns for each level
		if (i === 1) {
			// Level 1: Ship mode tutorial - simple gaps
			levelData[i].shipMode = true;
			levelData[i].length = 2000;
			for (var s = 0; s < 3; s++) {
				levelData[i].spikes.push({
					x: 1000 + s * 600,
					y: groundLevel
				});
				levelData[i].spikes.push({
					x: 1000 + s * 600,
					y: groundLevel - 300
				});
			}
		} else if (i === 2) {
			// Level 2: Single spike jumps
			for (var s = 0; s < 4; s++) {
				levelData[i].spikes.push({
					x: 800 + s * 400,
					y: groundLevel
				});
			}
		} else if (i === 3) {
			// Level 3: Double spike jumps
			for (var s = 0; s < 3; s++) {
				levelData[i].spikes.push({
					x: 800 + s * 500,
					y: groundLevel
				});
				levelData[i].spikes.push({
					x: 840 + s * 500,
					y: groundLevel
				});
			}
		} else if (i === 4) {
			// Level 4: Platform jumps
			for (var p = 0; p < 4; p++) {
				levelData[i].platforms.push({
					x: 800 + p * 400,
					y: groundLevel - 120,
					width: 150
				});
				levelData[i].spikes.push({
					x: 975 + p * 400,
					y: groundLevel - 120
				});
			}
		} else if (i === 5) {
			// Level 5: Spike clusters
			for (var c = 0; c < 3; c++) {
				for (var s = 0; s < 3; s++) {
					levelData[i].spikes.push({
						x: 800 + c * 600 + s * 50,
						y: groundLevel
					});
				}
			}
		} else if (i >= 6 && i <= 10) {
			// Levels 6-10: Mixed patterns with increasing difficulty
			var patternType = (i - 6) % 3;
			if (patternType === 0) {
				// Alternating single and double spikes
				for (var s = 0; s < 5; s++) {
					levelData[i].spikes.push({
						x: 700 + s * 350,
						y: groundLevel
					});
					if (s % 2 === 1) {
						levelData[i].spikes.push({
							x: 740 + s * 350,
							y: groundLevel
						});
					}
				}
			} else if (patternType === 1) {
				// Platform hopping
				for (var p = 0; p < 4; p++) {
					var height = groundLevel - 100 - p % 2 * 80;
					levelData[i].platforms.push({
						x: 800 + p * 350,
						y: height,
						width: 120
					});
					levelData[i].spikes.push({
						x: 920 + p * 350,
						y: height
					});
				}
			} else {
				// Triple spike jumps
				for (var t = 0; t < 3; t++) {
					for (var s = 0; s < 3; s++) {
						levelData[i].spikes.push({
							x: 800 + t * 500 + s * 45,
							y: groundLevel
						});
					}
				}
			}
		} else if (i >= 11 && i <= 20) {
			// Levels 11-20: Advanced patterns
			var complexity = i - 10;
			if (i % 4 === 1) {
				// Staircase platforms with spikes
				for (var st = 0; st < 5; st++) {
					var stairY = groundLevel - st * 60;
					levelData[i].platforms.push({
						x: 700 + st * 300,
						y: stairY,
						width: 150
					});
					levelData[i].spikes.push({
						x: 850 + st * 300,
						y: stairY
					});
				}
			} else if (i % 4 === 2) {
				// Ship mode level
				levelData[i].shipMode = true;
				for (var s = 0; s < 6; s++) {
					levelData[i].spikes.push({
						x: 800 + s * 300,
						y: groundLevel
					});
					levelData[i].spikes.push({
						x: 800 + s * 300,
						y: groundLevel - 250
					});
				}
			} else if (i % 4 === 3) {
				// Maze-like platforms
				for (var m = 0; m < 4; m++) {
					var upper = m % 2 === 0;
					var platY = upper ? groundLevel - 200 : groundLevel - 100;
					levelData[i].platforms.push({
						x: 700 + m * 400,
						y: platY,
						width: 200
					});
					levelData[i].spikes.push({
						x: 800 + m * 400,
						y: platY
					});
				}
			} else {
				// Rapid fire spikes
				for (var r = 0; r < 8; r++) {
					levelData[i].spikes.push({
						x: 700 + r * 200,
						y: groundLevel
					});
				}
			}
		} else if (i >= 21 && i <= 35) {
			// Levels 21-35: Expert patterns
			if (i % 5 === 1) {
				// Multi-level platforms
				for (var ml = 0; ml < 3; ml++) {
					for (var level = 0; level < 3; level++) {
						var platY = groundLevel - 80 - level * 70;
						levelData[i].platforms.push({
							x: 700 + ml * 500 + level * 100,
							y: platY,
							width: 100
						});
						if (level < 2) {
							levelData[i].spikes.push({
								x: 750 + ml * 500 + level * 100,
								y: platY
							});
						}
					}
				}
			} else if (i % 5 === 2) {
				// Ship maze
				levelData[i].shipMode = true;
				for (var sm = 0; sm < 5; sm++) {
					levelData[i].spikes.push({
						x: 800 + sm * 250,
						y: groundLevel
					});
					levelData[i].spikes.push({
						x: 825 + sm * 250,
						y: groundLevel - 150
					});
					levelData[i].spikes.push({
						x: 850 + sm * 250,
						y: groundLevel - 300
					});
				}
			} else if (i % 5 === 3) {
				// Wave pattern spikes
				for (var w = 0; w < 8; w++) {
					var wave = Math.sin(w * 0.8) * 100;
					levelData[i].spikes.push({
						x: 700 + w * 150,
						y: groundLevel + wave
					});
				}
			} else if (i % 5 === 4) {
				// Tight platform sequences
				for (var tp = 0; tp < 6; tp++) {
					levelData[i].platforms.push({
						x: 700 + tp * 250,
						y: groundLevel - 120,
						width: 80
					});
					levelData[i].spikes.push({
						x: 780 + tp * 250,
						y: groundLevel - 120
					});
					levelData[i].spikes.push({
						x: 950 + tp * 250,
						y: groundLevel
					});
				}
			} else {
				// Spike walls
				for (var sw = 0; sw < 4; sw++) {
					for (var wall = 0; wall < 4; wall++) {
						levelData[i].spikes.push({
							x: 800 + sw * 400,
							y: groundLevel - wall * 50
						});
					}
				}
			}
		} else {
			// Levels 36-50: Master difficulty
			var masterPattern = (i - 35) % 8;
			if (masterPattern === 0) {
				// Ultimate ship challenge
				levelData[i].shipMode = true;
				for (var uc = 0; uc < 10; uc++) {
					levelData[i].spikes.push({
						x: 600 + uc * 180,
						y: groundLevel
					});
					levelData[i].spikes.push({
						x: 620 + uc * 180,
						y: groundLevel - 100
					});
					levelData[i].spikes.push({
						x: 640 + uc * 180,
						y: groundLevel - 200
					});
					levelData[i].spikes.push({
						x: 660 + uc * 180,
						y: groundLevel - 300
					});
				}
			} else if (masterPattern === 1) {
				// Precision platform jumps
				for (var pp = 0; pp < 8; pp++) {
					levelData[i].platforms.push({
						x: 700 + pp * 200,
						y: groundLevel - 60 - pp % 3 * 40,
						width: 60
					});
					levelData[i].spikes.push({
						x: 730 + pp * 200,
						y: groundLevel - 60 - pp % 3 * 40
					});
				}
			} else if (masterPattern === 2) {
				// Chaos mode - random but beatable
				for (var ch = 0; ch < 12; ch++) {
					if (ch % 3 === 0) {
						levelData[i].platforms.push({
							x: 600 + ch * 150,
							y: groundLevel - 100,
							width: 100
						});
					} else {
						levelData[i].spikes.push({
							x: 600 + ch * 150,
							y: groundLevel
						});
					}
				}
			} else if (masterPattern === 3) {
				// Double layer platforms
				for (var dl = 0; dl < 5; dl++) {
					levelData[i].platforms.push({
						x: 700 + dl * 300,
						y: groundLevel - 100,
						width: 120
					});
					levelData[i].platforms.push({
						x: 760 + dl * 300,
						y: groundLevel - 180,
						width: 120
					});
					levelData[i].spikes.push({
						x: 820 + dl * 300,
						y: groundLevel - 100
					});
					levelData[i].spikes.push({
						x: 880 + dl * 300,
						y: groundLevel - 180
					});
				}
			} else if (masterPattern === 4) {
				// Speed run spikes
				for (var sr = 0; sr < 15; sr++) {
					levelData[i].spikes.push({
						x: 600 + sr * 120,
						y: groundLevel
					});
					if (sr % 3 === 2) {
						levelData[i].spikes.push({
							x: 620 + sr * 120,
							y: groundLevel
						});
					}
				}
			} else if (masterPattern === 5) {
				// Alternating ship/cube sections
				if (i % 2 === 0) {
					levelData[i].shipMode = true;
				}
				for (var as = 0; as < 8; as++) {
					levelData[i].spikes.push({
						x: 700 + as * 200,
						y: groundLevel
					});
					if (levelData[i].shipMode) {
						levelData[i].spikes.push({
							x: 720 + as * 200,
							y: groundLevel - 200
						});
					}
				}
			} else if (masterPattern === 6) {
				// Extreme precision
				for (var ep = 0; ep < 6; ep++) {
					levelData[i].platforms.push({
						x: 700 + ep * 250,
						y: groundLevel - 90,
						width: 50
					});
					levelData[i].spikes.push({
						x: 725 + ep * 250,
						y: groundLevel - 90
					});
					levelData[i].spikes.push({
						x: 750 + ep * 250,
						y: groundLevel - 90
					});
					levelData[i].spikes.push({
						x: 950 + ep * 250,
						y: groundLevel
					});
				}
			} else {
				// Final boss level patterns
				for (var fb = 0; fb < 5; fb++) {
					// Complex multi-height obstacles
					for (var h = 0; h < 4; h++) {
						if ((fb + h) % 2 === 0) {
							levelData[i].spikes.push({
								x: 700 + fb * 300 + h * 40,
								y: groundLevel - h * 60
							});
						} else {
							levelData[i].platforms.push({
								x: 700 + fb * 300 + h * 40,
								y: groundLevel - h * 60,
								width: 80
							});
						}
					}
				}
			}
		}
		// Add checkpoints based on level length
		var checkpointCount = Math.max(1, Math.floor(levelData[i].length / 800));
		for (var k = 1; k <= checkpointCount; k++) {
			levelData[i].checkpoints.push({
				x: k * (levelData[i].length / (checkpointCount + 1)),
				y: groundLevel
			});
		}
	}
}
// UI Setup
function setupUI() {
	// Score display
	var scoreText = new Text2('Level: ' + currentLevel, {
		size: 60,
		fill: 0xFFFFFF
	});
	scoreText.anchor.set(0, 0);
	scoreText.x = 120;
	scoreText.y = 50;
	LK.gui.topLeft.addChild(scoreText);
}
// Level selection menu
function showLevelMenu() {
	gameState = 'menu';
	game.removeChildren();
	levelButtons = [];
	// Title
	var titleText = new Text2('Geometry Dash: 50 Levels', {
		size: 80,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0);
	titleText.x = 1024;
	titleText.y = 200;
	game.addChild(titleText);
	// Create level buttons in grid
	var buttonsPerRow = 5;
	var buttonSpacing = 220;
	var startX = 1024 - (buttonsPerRow - 1) * buttonSpacing / 2;
	var startY = 400;
	for (var i = 1; i <= maxLevels; i++) {
		var row = Math.floor((i - 1) / buttonsPerRow);
		var col = (i - 1) % buttonsPerRow;
		var buttonX = startX + col * buttonSpacing;
		var buttonY = startY + row * 150;
		var levelBtn = game.addChild(new LevelButton(i, buttonX, buttonY));
		levelButtons.push(levelBtn);
	}
	// Video button
	var videoButton = LK.getAsset('levelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	videoButton.x = 1024;
	videoButton.y = startY + Math.ceil(maxLevels / buttonsPerRow) * 150 + 100;
	videoButton.tint = 0x9933ff;
	game.addChild(videoButton);
	var videoText = new Text2('Video', {
		size: 40,
		fill: 0xFFFFFF
	});
	videoText.anchor.set(0.5, 0.5);
	videoText.x = videoButton.x;
	videoText.y = videoButton.y;
	game.addChild(videoText);
	videoButton.down = function (x, y, obj) {
		showVideoTutorial();
	};
	// Owner commands button
	var ownerButton = LK.getAsset('levelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	ownerButton.x = 1024;
	ownerButton.y = startY + Math.ceil(maxLevels / buttonsPerRow) * 150 + 250;
	ownerButton.tint = 0xffaa00;
	game.addChild(ownerButton);
	var ownerText = new Text2('Owner', {
		size: 40,
		fill: 0xFFFFFF
	});
	ownerText.anchor.set(0.5, 0.5);
	ownerText.x = ownerButton.x;
	ownerText.y = ownerButton.y;
	game.addChild(ownerText);
	ownerButton.down = function (x, y, obj) {
		showOwnerCommands();
	};
}
// Show gameplay
function showGameplay() {
	gameState = 'playing';
	game.removeChildren();
	// Reset camera
	cameraX = 0;
	currentCheckpoint = 0;
	deathCount = 0;
	// Create player
	player = game.addChild(new Player());
	player.x = playerStartX;
	player.y = playerStartY;
	// Set ship mode based on level data
	if (levelData[currentLevel].shipMode) {
		player.setMode(true);
		player.y = groundLevel - 200; // Start ship higher up
	} else {
		player.setMode(false);
	}
	// Load current level
	loadLevel(currentLevel);
}
// Load level obstacles
function loadLevel(levelNum) {
	obstacles = [];
	platforms = [];
	grounds = [];
	checkpoints = [];
	var level = levelData[levelNum];
	// Create ground segments
	for (var x = 0; x <= level.length + 1000; x += 200) {
		var ground = game.addChild(new Ground(x, groundLevel, 200));
		grounds.push(ground);
	}
	// Create spikes
	for (var i = 0; i < level.spikes.length; i++) {
		var spikeData = level.spikes[i];
		var spike = game.addChild(new Spike(spikeData.x, spikeData.y));
		obstacles.push(spike);
	}
	// Create platforms
	for (var j = 0; j < level.platforms.length; j++) {
		var platformData = level.platforms[j];
		var platform = game.addChild(new Platform(platformData.x, platformData.y, platformData.width));
		platforms.push(platform);
	}
	// Create checkpoints
	for (var k = 0; k < level.checkpoints.length; k++) {
		var checkpointData = level.checkpoints[k];
		var checkpoint = game.addChild(new Checkpoint(checkpointData.x, checkpointData.y));
		checkpoints.push(checkpoint);
	}
}
// Handle player death
function handlePlayerDeath() {
	if (player.isDead) return;
	player.isDead = true;
	deathCount++;
	LK.effects.flashScreen(0xff0000, 500);
	LK.getSound('death').play();
	// Respawn after delay
	LK.setTimeout(function () {
		respawnPlayer();
	}, 1000);
}
// Respawn player at checkpoint
function respawnPlayer() {
	player.isDead = false;
	player.velocityY = 0;
	player.isGrounded = false;
	if (currentCheckpoint > 0 && checkpoints[currentCheckpoint - 1]) {
		player.x = checkpoints[currentCheckpoint - 1].x;
		cameraX = checkpoints[currentCheckpoint - 1].x - 400;
	} else {
		player.x = playerStartX;
		cameraX = 0;
	}
	player.y = groundLevel;
}
// Handle level completion
function completeLevel() {
	storage.completedLevels[currentLevel] = true;
	LK.getSound('complete').play();
	LK.effects.flashScreen(0x00ff00, 1000);
	// Show completion message
	var completeText = new Text2('Level Complete!', {
		size: 100,
		fill: 0x00FF00
	});
	completeText.anchor.set(0.5, 0.5);
	completeText.x = 1024;
	completeText.y = 1366;
	game.addChild(completeText);
	// Return to menu after delay
	LK.setTimeout(function () {
		showLevelMenu();
	}, 2000);
}
// Input handling
game.down = function (x, y, obj) {
	if (gameState === 'playing' && player && !player.isDead) {
		player.jump();
	}
};
game.up = function (x, y, obj) {
	if (gameState === 'playing' && player && !player.isDead) {
		player.stopJump();
	}
};
// Main game loop
game.update = function () {
	if (gameState !== 'playing' || !player || player.isDead) return;
	// Auto-scroll camera
	cameraX += scrollSpeed;
	player.x += scrollSpeed;
	// Update camera position
	var targetCameraX = player.x - 400;
	if (targetCameraX > cameraX) {
		cameraX = targetCameraX;
	}
	// Position all game objects relative to camera
	game.x = -cameraX;
	// Check obstacle collisions
	for (var i = 0; i < obstacles.length; i++) {
		var obstacle = obstacles[i];
		if (player.intersects(obstacle)) {
			handlePlayerDeath();
			break;
		}
	}
	// Check platform collisions (simple top collision)
	for (var j = 0; j < platforms.length; j++) {
		var platform = platforms[j];
		if (player.intersects(platform) && player.velocityY > 0) {
			var playerBottom = player.y;
			var platformTop = platform.y;
			if (playerBottom >= platformTop && playerBottom <= platformTop + 20) {
				player.y = platformTop;
				player.velocityY = 0;
				player.isGrounded = true;
			}
		}
	}
	// Check checkpoint activation
	for (var k = 0; k < checkpoints.length; k++) {
		var checkpoint = checkpoints[k];
		if (!checkpoint.activated && player.intersects(checkpoint)) {
			checkpoint.activated = true;
			currentCheckpoint = k + 1;
			LK.effects.flashObject(checkpoint, 0x00ffff, 500);
		}
	}
	// Check level completion
	var levelLength = levelData[currentLevel].length;
	if (player.x >= levelLength) {
		completeLevel();
	}
	// Check if player fell off screen
	if (player.y > 2800) {
		handlePlayerDeath();
	}
};
// Video tutorial screen
function showVideoTutorial() {
	gameState = 'video';
	game.removeChildren();
	// Title
	var titleText = new Text2('How to Beat Geometry Dash', {
		size: 70,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0);
	titleText.x = 1024;
	titleText.y = 150;
	game.addChild(titleText);
	// Instructions sections
	var instructions = ['BASIC CONTROLS:', '• Tap/Click to jump in cube mode', '• Hold to fly up in ship mode', '• Release to fall down in ship mode', '', 'GAMEPLAY TIPS:', '• Red spikes = deadly obstacles', '• Gray platforms = safe to land on', '• Cyan checkpoints = save your progress', '• Green squares = completed levels', '', 'LEVEL PROGRESSION:', '• Levels 1-10: Learn basic mechanics', '• Levels 11-20: Master timing and ship mode', '• Levels 21-35: Expert precision required', '• Levels 36-50: Ultimate challenges', '', 'SURVIVAL STRATEGY:', '• Practice timing on easier levels first', '• Use checkpoints to avoid restarting', '• Ship levels require smooth control', '• Platform levels need precise jumps'];
	var instructionY = 300;
	var lineHeight = 45;
	for (var i = 0; i < instructions.length; i++) {
		var line = instructions[i];
		var isHeader = line.endsWith(':');
		var fontSize = isHeader ? 50 : 40;
		var color = isHeader ? 0x00FF00 : 0xFFFFFF;
		var instructionText = new Text2(line, {
			size: fontSize,
			fill: color
		});
		instructionText.anchor.set(0, 0);
		instructionText.x = 200;
		instructionY += line === '' ? lineHeight * 0.5 : lineHeight;
		instructionText.y = instructionY;
		game.addChild(instructionText);
	}
	// Demo visual elements
	var demoY = 1800;
	// Show cube example
	var demoCube = LK.getAsset('player', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	demoCube.x = 400;
	demoCube.y = demoY;
	game.addChild(demoCube);
	var cubeLabel = new Text2('Cube Mode', {
		size: 35,
		fill: 0x00FF00
	});
	cubeLabel.anchor.set(0.5, 0);
	cubeLabel.x = demoCube.x;
	cubeLabel.y = demoY + 20;
	game.addChild(cubeLabel);
	// Show ship example
	var demoShip = LK.getAsset('ship', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	demoShip.x = 800;
	demoShip.y = demoY - 30;
	game.addChild(demoShip);
	var shipLabel = new Text2('Ship Mode', {
		size: 35,
		fill: 0x0088FF
	});
	shipLabel.anchor.set(0.5, 0);
	shipLabel.x = demoShip.x;
	shipLabel.y = demoY + 20;
	game.addChild(shipLabel);
	// Show spike example
	var demoSpike = LK.getAsset('spike', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	demoSpike.x = 1200;
	demoSpike.y = demoY;
	game.addChild(demoSpike);
	var spikeLabel = new Text2('Deadly Spike', {
		size: 35,
		fill: 0xFF0000
	});
	spikeLabel.anchor.set(0.5, 0);
	spikeLabel.x = demoSpike.x;
	spikeLabel.y = demoY + 20;
	game.addChild(spikeLabel);
	// Show platform example
	var demoPlatform = LK.getAsset('platform', {
		anchorX: 0,
		anchorY: 0
	});
	demoPlatform.x = 1500;
	demoPlatform.y = demoY - 40;
	demoPlatform.width = 150;
	game.addChild(demoPlatform);
	var platformLabel = new Text2('Safe Platform', {
		size: 35,
		fill: 0x888888
	});
	platformLabel.anchor.set(0.5, 0);
	platformLabel.x = demoPlatform.x + 75;
	platformLabel.y = demoY + 20;
	game.addChild(platformLabel);
	// Animate demo elements
	var animTime = 0;
	var videoUpdateTimer = LK.setInterval(function () {
		animTime += 0.1;
		// Bounce cube
		demoCube.y = demoY + Math.abs(Math.sin(animTime * 2)) * -30;
		// Float ship
		demoShip.y = demoY - 30 + Math.sin(animTime) * 15;
		// Pulse spike
		demoSpike.alpha = 0.7 + Math.sin(animTime * 3) * 0.3;
	}, 50);
	// Back button
	var backButton = LK.getAsset('levelButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	backButton.x = 1024;
	backButton.y = 2400;
	backButton.tint = 0x666666;
	game.addChild(backButton);
	var backText = new Text2('Back to Menu', {
		size: 40,
		fill: 0xFFFFFF
	});
	backText.anchor.set(0.5, 0.5);
	backText.x = backButton.x;
	backText.y = backButton.y;
	game.addChild(backText);
	backButton.down = function (x, y, obj) {
		LK.clearInterval(videoUpdateTimer);
		showLevelMenu();
	};
}
// Owner commands screen
function showOwnerCommands() {
	gameState = 'owner';
	game.removeChildren();
	// Title
	var titleText = new Text2('Owner Commands', {
		size: 80,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0);
	titleText.x = 1024;
	titleText.y = 200;
	game.addChild(titleText);
	// Command buttons
	var commandButtons = [{
		text: 'Unlock All Levels',
		action: unlockAllLevels
	}, {
		text: 'Reset Progress',
		action: resetProgress
	}, {
		text: 'Complete All Levels',
		action: completeAllLevels
	}, {
		text: 'Back to Menu',
		action: showLevelMenu
	}];
	var buttonY = 400;
	for (var i = 0; i < commandButtons.length; i++) {
		var cmdButton = LK.getAsset('levelButton', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		cmdButton.x = 1024;
		cmdButton.y = buttonY + i * 150;
		cmdButton.tint = 0x444444;
		game.addChild(cmdButton);
		var cmdText = new Text2(commandButtons[i].text, {
			size: 35,
			fill: 0xFFFFFF
		});
		cmdText.anchor.set(0.5, 0.5);
		cmdText.x = cmdButton.x;
		cmdText.y = cmdButton.y;
		game.addChild(cmdText);
		cmdButton.commandAction = commandButtons[i].action;
		cmdButton.down = function (x, y, obj) {
			this.commandAction();
		};
	}
}
// Owner command functions
function unlockAllLevels() {
	for (var i = 1; i <= maxLevels; i++) {
		storage.completedLevels[i] = false; // Unlocked but not completed
	}
	showLevelMenu();
}
function resetProgress() {
	storage.completedLevels = {};
	showLevelMenu();
}
function completeAllLevels() {
	for (var i = 1; i <= maxLevels; i++) {
		storage.completedLevels[i] = true;
	}
	showLevelMenu();
}
// Initialize game
initializeLevelData();
setupUI();
showLevelMenu();

===================================================================
--- original.js
+++ change.js
@@ -664,10 +664,9 @@
 	videoText.x = videoButton.x;
 	videoText.y = videoButton.y;
 	game.addChild(videoText);
 	videoButton.down = function (x, y, obj) {
-		// Video functionality - placeholder for now
-		console.log('Video button pressed');
+		showVideoTutorial();
 	};
 	// Owner commands button
 	var ownerButton = LK.getAsset('levelButton', {
 		anchorX: 0.5,
@@ -850,8 +849,140 @@
 	if (player.y > 2800) {
 		handlePlayerDeath();
 	}
 };
+// Video tutorial screen
+function showVideoTutorial() {
+	gameState = 'video';
+	game.removeChildren();
+	// Title
+	var titleText = new Text2('How to Beat Geometry Dash', {
+		size: 70,
+		fill: 0xFFFFFF
+	});
+	titleText.anchor.set(0.5, 0);
+	titleText.x = 1024;
+	titleText.y = 150;
+	game.addChild(titleText);
+	// Instructions sections
+	var instructions = ['BASIC CONTROLS:', '• Tap/Click to jump in cube mode', '• Hold to fly up in ship mode', '• Release to fall down in ship mode', '', 'GAMEPLAY TIPS:', '• Red spikes = deadly obstacles', '• Gray platforms = safe to land on', '• Cyan checkpoints = save your progress', '• Green squares = completed levels', '', 'LEVEL PROGRESSION:', '• Levels 1-10: Learn basic mechanics', '• Levels 11-20: Master timing and ship mode', '• Levels 21-35: Expert precision required', '• Levels 36-50: Ultimate challenges', '', 'SURVIVAL STRATEGY:', '• Practice timing on easier levels first', '• Use checkpoints to avoid restarting', '• Ship levels require smooth control', '• Platform levels need precise jumps'];
+	var instructionY = 300;
+	var lineHeight = 45;
+	for (var i = 0; i < instructions.length; i++) {
+		var line = instructions[i];
+		var isHeader = line.endsWith(':');
+		var fontSize = isHeader ? 50 : 40;
+		var color = isHeader ? 0x00FF00 : 0xFFFFFF;
+		var instructionText = new Text2(line, {
+			size: fontSize,
+			fill: color
+		});
+		instructionText.anchor.set(0, 0);
+		instructionText.x = 200;
+		instructionY += line === '' ? lineHeight * 0.5 : lineHeight;
+		instructionText.y = instructionY;
+		game.addChild(instructionText);
+	}
+	// Demo visual elements
+	var demoY = 1800;
+	// Show cube example
+	var demoCube = LK.getAsset('player', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	demoCube.x = 400;
+	demoCube.y = demoY;
+	game.addChild(demoCube);
+	var cubeLabel = new Text2('Cube Mode', {
+		size: 35,
+		fill: 0x00FF00
+	});
+	cubeLabel.anchor.set(0.5, 0);
+	cubeLabel.x = demoCube.x;
+	cubeLabel.y = demoY + 20;
+	game.addChild(cubeLabel);
+	// Show ship example
+	var demoShip = LK.getAsset('ship', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	demoShip.x = 800;
+	demoShip.y = demoY - 30;
+	game.addChild(demoShip);
+	var shipLabel = new Text2('Ship Mode', {
+		size: 35,
+		fill: 0x0088FF
+	});
+	shipLabel.anchor.set(0.5, 0);
+	shipLabel.x = demoShip.x;
+	shipLabel.y = demoY + 20;
+	game.addChild(shipLabel);
+	// Show spike example
+	var demoSpike = LK.getAsset('spike', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	demoSpike.x = 1200;
+	demoSpike.y = demoY;
+	game.addChild(demoSpike);
+	var spikeLabel = new Text2('Deadly Spike', {
+		size: 35,
+		fill: 0xFF0000
+	});
+	spikeLabel.anchor.set(0.5, 0);
+	spikeLabel.x = demoSpike.x;
+	spikeLabel.y = demoY + 20;
+	game.addChild(spikeLabel);
+	// Show platform example
+	var demoPlatform = LK.getAsset('platform', {
+		anchorX: 0,
+		anchorY: 0
+	});
+	demoPlatform.x = 1500;
+	demoPlatform.y = demoY - 40;
+	demoPlatform.width = 150;
+	game.addChild(demoPlatform);
+	var platformLabel = new Text2('Safe Platform', {
+		size: 35,
+		fill: 0x888888
+	});
+	platformLabel.anchor.set(0.5, 0);
+	platformLabel.x = demoPlatform.x + 75;
+	platformLabel.y = demoY + 20;
+	game.addChild(platformLabel);
+	// Animate demo elements
+	var animTime = 0;
+	var videoUpdateTimer = LK.setInterval(function () {
+		animTime += 0.1;
+		// Bounce cube
+		demoCube.y = demoY + Math.abs(Math.sin(animTime * 2)) * -30;
+		// Float ship
+		demoShip.y = demoY - 30 + Math.sin(animTime) * 15;
+		// Pulse spike
+		demoSpike.alpha = 0.7 + Math.sin(animTime * 3) * 0.3;
+	}, 50);
+	// Back button
+	var backButton = LK.getAsset('levelButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	backButton.x = 1024;
+	backButton.y = 2400;
+	backButton.tint = 0x666666;
+	game.addChild(backButton);
+	var backText = new Text2('Back to Menu', {
+		size: 40,
+		fill: 0xFFFFFF
+	});
+	backText.anchor.set(0.5, 0.5);
+	backText.x = backButton.x;
+	backText.y = backButton.y;
+	game.addChild(backText);
+	backButton.down = function (x, y, obj) {
+		LK.clearInterval(videoUpdateTimer);
+		showLevelMenu();
+	};
+}
 // Owner commands screen
 function showOwnerCommands() {
 	gameState = 'owner';
 	game.removeChildren();