/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Castle = Container.expand(function () { var self = Container.call(this); // Castle base var castleBase = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 1.0, x: 0, y: 0, scaleX: 2.0, scaleY: 1.5, tint: 0x696969 }); // Castle towers var tower1 = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 1.0, x: -80, y: -100, scaleX: 0.8, scaleY: 1.8, tint: 0x555555 }); var tower2 = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 1.0, x: 80, y: -100, scaleX: 0.8, scaleY: 1.8, tint: 0x555555 }); // Castle flags var flag1 = self.attachAsset('scroll', { anchorX: 0.0, anchorY: 1.0, x: -80, y: -260, scaleX: 1.2, scaleY: 1.0, tint: 0xff0000 }); var flag2 = self.attachAsset('scroll', { anchorX: 0.0, anchorY: 1.0, x: 80, y: -260, scaleX: 1.2, scaleY: 1.0, tint: 0x0000ff }); self.speed = -3; self.update = function () { self.x += self.speed; // Flags wave in wind flag1.rotation = Math.sin(LK.ticks * 0.1) * 0.2; flag2.rotation = Math.sin(LK.ticks * 0.1 + 1) * 0.2; }; return self; }); var Cloud = Container.expand(function (size) { var self = Container.call(this); var cloudType = size || 'medium'; var cloudGraphics = self.attachAsset('cloud_' + cloudType, { anchorX: 0.5, anchorY: 0.5, alpha: 0.7 }); self.speed = -1 - Math.random() * 2; self.driftY = Math.random() * 0.5 - 0.25; self.update = function () { self.x += self.speed; self.y += self.driftY; // Gentle cloud movement with fog effect cloudGraphics.alpha = 0.2 + Math.sin(LK.ticks * 0.01) * 0.1; }; return self; }); var Dragon = Container.expand(function () { var self = Container.call(this); // Main dragon body (center) var dragonBody = self.attachAsset('dragon_body', { anchorX: 0.5, anchorY: 0.5, scaleX: 1.8, scaleY: 1.6, tint: 0xff4500 }); // Body segments for segmented look var bodySegment1 = self.attachAsset('dragon_body', { anchorX: 0.5, anchorY: 0.5, x: -50, y: 3, scaleX: 1.6, scaleY: 1.4, tint: 0xe03e00 }); var bodySegment2 = self.attachAsset('dragon_body', { anchorX: 0.5, anchorY: 0.5, x: -90, y: 8, scaleX: 1.4, scaleY: 1.2, tint: 0xcc3700 }); var bodySegment3 = self.attachAsset('dragon_body', { anchorX: 0.5, anchorY: 0.5, x: -125, y: 12, scaleX: 1.2, scaleY: 1.0, tint: 0xb83500 }); // Dragon head with neck var dragonNeck = self.attachAsset('dragon_body', { anchorX: 0.5, anchorY: 0.5, x: 80, y: -10, scaleX: 1.0, scaleY: 0.8, tint: 0xd4451a }); var dragonHead = self.attachAsset('dragon_head', { anchorX: 0.5, anchorY: 0.5, x: 110, y: -20, scaleX: 1.8, scaleY: 1.7, tint: 0xb30000 }); // Dragon snout details var snout = self.attachAsset('dragon_head', { anchorX: 0.5, anchorY: 0.5, x: 140, y: -15, scaleX: 0.8, scaleY: 0.6, tint: 0x990000 }); // Dragon eyes var leftEye = self.attachAsset('gem', { anchorX: 0.5, anchorY: 0.5, x: 120, y: -28, scaleX: 0.35, scaleY: 0.35, tint: 0x00ff00 }); var rightEye = self.attachAsset('gem', { anchorX: 0.5, anchorY: 0.5, x: 120, y: -12, scaleX: 0.35, scaleY: 0.35, tint: 0x00ff00 }); // Eye pupils var leftPupil = self.attachAsset('gem', { anchorX: 0.5, anchorY: 0.5, x: 122, y: -28, scaleX: 0.15, scaleY: 0.15, tint: 0x000000 }); var rightPupil = self.attachAsset('gem', { anchorX: 0.5, anchorY: 0.5, x: 122, y: -12, scaleX: 0.15, scaleY: 0.15, tint: 0x000000 }); // Dragon nostrils var leftNostril = self.attachAsset('gem', { anchorX: 0.5, anchorY: 0.5, x: 148, y: -18, scaleX: 0.1, scaleY: 0.1, tint: 0x000000 }); var rightNostril = self.attachAsset('gem', { anchorX: 0.5, anchorY: 0.5, x: 148, y: -12, scaleX: 0.1, scaleY: 0.1, tint: 0x000000 }); // Dragon tail segments var dragonTail1 = self.attachAsset('dragon_tail', { anchorX: 0.5, anchorY: 0.5, x: -155, y: 5, scaleX: 1.0, scaleY: 1.8, tint: 0xaa2200 }); var dragonTail2 = self.attachAsset('dragon_tail', { anchorX: 0.5, anchorY: 0.5, x: -185, y: 10, scaleX: 0.8, scaleY: 1.5, tint: 0x993300 }); var dragonTail3 = self.attachAsset('dragon_tail', { anchorX: 0.5, anchorY: 0.5, x: -210, y: 15, scaleX: 0.6, scaleY: 1.2, tint: 0x882200 }); // Main wings var leftWing = self.attachAsset('dragon_wing_left', { anchorX: 0.8, anchorY: 0.5, x: -30, y: -35, scaleX: 1.8, scaleY: 1.6 }); var rightWing = self.attachAsset('dragon_wing_right', { anchorX: 0.2, anchorY: 0.5, x: -30, y: 35, scaleX: 1.8, scaleY: 1.6 }); // Wing membranes (inner wing details) var leftWingMembrane = self.attachAsset('dragon_wing_left', { anchorX: 0.8, anchorY: 0.5, x: -25, y: -32, scaleX: 1.4, scaleY: 1.2, tint: 0xcc5533, alpha: 0.7 }); var rightWingMembrane = self.attachAsset('dragon_wing_right', { anchorX: 0.2, anchorY: 0.5, x: -25, y: 32, scaleX: 1.4, scaleY: 1.2, tint: 0xcc5533, alpha: 0.7 }); // Wing bones/struts var leftWingBone1 = self.attachAsset('dragon_tail', { anchorX: 0.5, anchorY: 0.5, x: -50, y: -45, scaleX: 0.3, scaleY: 0.8, tint: 0x886644, rotation: -0.5 }); var leftWingBone2 = self.attachAsset('dragon_tail', { anchorX: 0.5, anchorY: 0.5, x: -70, y: -40, scaleX: 0.3, scaleY: 0.6, tint: 0x886644, rotation: -0.3 }); var rightWingBone1 = self.attachAsset('dragon_tail', { anchorX: 0.5, anchorY: 0.5, x: -50, y: 45, scaleX: 0.3, scaleY: 0.8, tint: 0x886644, rotation: 0.5 }); var rightWingBone2 = self.attachAsset('dragon_tail', { anchorX: 0.5, anchorY: 0.5, x: -70, y: 40, scaleX: 0.3, scaleY: 0.6, tint: 0x886644, rotation: 0.3 }); // Dragon horns var leftHorn = self.attachAsset('dragon_tail', { anchorX: 0.5, anchorY: 1.0, x: 105, y: -45, scaleX: 0.2, scaleY: 0.4, tint: 0x444444, rotation: -0.3 }); var rightHorn = self.attachAsset('dragon_tail', { anchorX: 0.5, anchorY: 1.0, x: 115, y: -45, scaleX: 0.2, scaleY: 0.4, tint: 0x444444, rotation: 0.3 }); // Dragon belly scales var bellyScale1 = self.attachAsset('dragon_body', { anchorX: 0.5, anchorY: 0.5, x: 0, y: 25, scaleX: 1.4, scaleY: 0.6, tint: 0xffaa44, alpha: 0.8 }); var bellyScale2 = self.attachAsset('dragon_body', { anchorX: 0.5, anchorY: 0.5, x: -45, y: 28, scaleX: 1.2, scaleY: 0.5, tint: 0xffaa44, alpha: 0.8 }); var bellyScale3 = self.attachAsset('dragon_body', { anchorX: 0.5, anchorY: 0.5, x: -85, y: 30, scaleX: 1.0, scaleY: 0.4, tint: 0xffaa44, alpha: 0.8 }); // Store references for animations self.dragonBody = dragonBody; self.dragonHead = dragonHead; self.leftWing = leftWing; self.rightWing = rightWing; self.dragonTail = dragonTail1; self.bodySegment1 = bodySegment1; self.bodySegment2 = bodySegment2; self.velocity = 0; self.maxVelocity = 10; self.gravity = 0.4; self.flapPower = -16; self.isFlapping = false; self.wingFlapTimer = 0; self.flap = function () { self.velocity = self.flapPower; self.isFlapping = true; self.wingFlapTimer = 15; // Duration for wing flap animation LK.getSound('flap').play(); // Wing flap animation with smoother tweens tween(self.leftWing, { rotation: -0.8, scaleY: 1.8, scaleX: 1.6 }, { duration: 80, easing: tween.easeOut }); tween(self.rightWing, { rotation: 0.8, scaleY: 1.8, scaleX: 1.6 }, { duration: 80, easing: tween.easeOut, onFinish: function onFinish() { // Return wings to normal position tween(self.leftWing, { rotation: 0.1, scaleY: 1.6, scaleX: 1.8 }, { duration: 120, easing: tween.easeInOut }); tween(self.rightWing, { rotation: -0.1, scaleY: 1.6, scaleX: 1.8 }, { duration: 120, easing: tween.easeInOut }); } }); // Head bob animation with better smoothness tween(self.dragonHead, { y: -30, rotation: -0.1 }, { duration: 60, easing: tween.easeOut, onFinish: function onFinish() { tween(self.dragonHead, { y: -20, rotation: 0 }, { duration: 80, easing: tween.easeIn }); } }); }; self.update = function () { // Apply gravity - Flappy Bird style self.velocity += self.gravity; // Limit velocity to prevent too fast falling if (self.velocity > self.maxVelocity) { self.velocity = self.maxVelocity; } if (self.velocity < -self.maxVelocity) { self.velocity = -self.maxVelocity; } // Update position self.y += self.velocity; // Flappy Bird style rotation based on velocity var targetRotation = self.velocity * 0.08; if (targetRotation > 0.5) targetRotation = 0.5; if (targetRotation < -0.4) targetRotation = -0.4; // Smooth rotation transitions tween.stop(self.dragonBody); tween(self.dragonBody, { rotation: targetRotation }, { duration: 100, easing: tween.easeOut }); tween.stop(self.dragonHead); tween(self.dragonHead, { rotation: targetRotation * 0.6 }, { duration: 80, easing: tween.easeOut }); tween.stop(self.dragonTail); tween(self.dragonTail, { rotation: targetRotation * 1.4 }, { duration: 120, easing: tween.easeOut }); // Body segments follow with slight delay for more natural movement tween.stop(self.bodySegment1); tween(self.bodySegment1, { rotation: targetRotation * 0.8 }, { duration: 110, easing: tween.easeOut }); tween.stop(self.bodySegment2); tween(self.bodySegment2, { rotation: targetRotation * 0.6 }, { duration: 140, easing: tween.easeOut }); // Wing flap timer countdown if (self.wingFlapTimer > 0) { self.wingFlapTimer--; } // Wings gentle movement when not actively flapping if (self.wingFlapTimer <= 0) { var gentleWingMovement = Math.sin(LK.ticks * 0.06) * 0.15; self.leftWing.rotation = gentleWingMovement + 0.1; self.rightWing.rotation = -gentleWingMovement - 0.1; } // Keep dragon on screen with kill zone boundaries if (self.y < 120) { self.y = 120; self.velocity = Math.max(0, self.velocity); } if (self.y > 2612) { self.y = 2612; self.velocity = Math.min(0, self.velocity); } self.isFlapping = self.wingFlapTimer > 0; }; return self; }); var Mountain = Container.expand(function () { var self = Container.call(this); // Mountain peak var mountainPeak = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 1.0, x: 0, y: 0, scaleX: 3.0, scaleY: 2.5, tint: 0x696969 }); // Mountain side var mountainSide = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 1.0, x: -60, y: 0, scaleX: 2.5, scaleY: 2.0, tint: 0x778899 }); // Snow cap var snowCap = self.attachAsset('cloud_small', { anchorX: 0.5, anchorY: 1.0, x: 0, y: -200, scaleX: 1.5, scaleY: 0.6, tint: 0xfffafa }); self.speed = -2; self.update = function () { self.x += self.speed; }; return self; }); var Obstacle = Container.expand(function (type) { var self = Container.call(this); var obstacleType = type || 'tree'; self.speed = -4; self.passed = false; if (obstacleType === 'tree') { // Flappy Bird style tree pipe from bottom - much longer var treePipe = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 0.0, x: 0, y: 0, scaleX: 1.5, scaleY: 20.0, tint: 0x228b22 }); // Pipe cap at top var treeCap = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 0.0, x: 0, y: treePipe.height - 40, scaleX: 2.0, scaleY: 0.8, tint: 0x32cd32 }); } else if (obstacleType === 'rock') { // Rock obstacle from top - much longer var rockMain = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 1.0, x: 0, y: 0, scaleX: 1.8, scaleY: 18.0, tint: 0x696969 }); // Rock cap at bottom var rockCap = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 1.0, x: 0, y: -rockMain.height + 40, scaleX: 2.2, scaleY: 0.9, tint: 0x555555 }); } self.update = function () { self.x += self.speed; }; return self; }); var Scroll = Container.expand(function () { var self = Container.call(this); var scrollGraphics = self.attachAsset('scroll', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -4; self.collected = false; self.update = function () { self.x += self.speed; // Gentle sway animation scrollGraphics.rotation = Math.sin(LK.ticks * 0.02) * 0.1; }; return self; }); var Spike = Container.expand(function (type) { var self = Container.call(this); var spikeType = type || 'top'; var spikeGraphics = self.attachAsset('spike_' + spikeType, { anchorX: 0.5, anchorY: 0.5 }); self.speed = -4; self.update = function () { self.x += self.speed; // Add menacing glow effect var glowIntensity = 0.8 + Math.sin(LK.ticks * 0.2) * 0.2; spikeGraphics.alpha = glowIntensity; // Subtle color shift between dark gray and red var colorShift = Math.sin(LK.ticks * 0.1); if (colorShift > 0.3) { spikeGraphics.tint = 0x4a0000; // Dark red } else { spikeGraphics.tint = 0x2c2c2c; // Dark gray } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87ceeb }); /**** * Game Code ****/ // Game variables var dragon; var obstacles = []; var scrolls = []; var clouds = []; var mountains = []; var castles = []; var topSpikes = []; var bottomSpikes = []; var gameSpeed = 1; var spawnTimer = 0; var scrollSpawnTimer = 0; var cloudSpawnTimer = 0; var spikeSpawnTimer = 0; var distance = 0; var speedMultiplier = 1.00; // UI Elements var scoreTxt = new Text2('Score: 0', { size: 60, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var distanceTxt = new Text2('Distance: 0m', { size: 50, fill: 0xFFFFFF }); distanceTxt.anchor.set(1, 0); distanceTxt.x = -20; distanceTxt.y = 80; LK.gui.topRight.addChild(distanceTxt); var speedTxt = new Text2('1.00x', { size: 50, fill: 0xFFFFFF }); speedTxt.anchor.set(0, 0); speedTxt.x = 120; speedTxt.y = 20; LK.gui.topLeft.addChild(speedTxt); // Create dragon dragon = game.addChild(new Dragon()); dragon.x = 400; dragon.y = 1366; // Make dragon smaller to fix hitbox dragon.scaleX = 0.45; dragon.scaleY = 0.45; // Ensure dragon is always visible by setting maximum z-index dragon.zIndex = 10000; // Create permanent kill zones to prevent camping createPermanentKillZones(); // Controls game.down = function (x, y, obj) { dragon.flap(); }; game.move = function (x, y, obj) { // Optional: Allow continuous flapping while holding }; game.up = function (x, y, obj) { // Release action if needed }; // Spawn obstacle function spawnObstacle() { // Create Flappy Bird style obstacles - always spawn in pairs with gap var gapSize = 400; // Size of gap between top and bottom obstacles var gapCenter = 800 + Math.random() * 1200; // Random vertical position for gap center // Bottom tree pipe var treeObstacle = new Obstacle('tree'); treeObstacle.x = 2200; treeObstacle.y = gapCenter + gapSize / 2; // Position bottom of gap obstacles.push(treeObstacle); game.addChild(treeObstacle); // Top rock obstacle var rockObstacle = new Obstacle('rock'); rockObstacle.x = 2200; rockObstacle.y = gapCenter - gapSize / 2; // Position top of gap obstacles.push(rockObstacle); game.addChild(rockObstacle); } // Spawn scroll function spawnScroll() { var scroll = new Scroll(); scroll.x = 2200; scroll.y = 400 + Math.random() * 1900; scrolls.push(scroll); game.addChild(scroll); } // Spawn cloud function spawnCloud() { var cloudSizes = ['small', 'medium', 'large']; var size = cloudSizes[Math.floor(Math.random() * cloudSizes.length)]; var cloud = new Cloud(size); cloud.x = 2200; cloud.y = 200 + Math.random() * 2000; cloud.zIndex = -200; // Put clouds in far background cloud.scaleX = 3.5; // Make clouds much bigger cloud.scaleY = 3.5; cloud.alpha = 0.3; // Add fog effect - make clouds more transparent clouds.push(cloud); game.addChild(cloud); } // Create permanent kill zones at top and bottom function createPermanentKillZones() { // Top kill zone - continuous barrier for (var i = 0; i < 30; i++) { var topKillBrick = new Spike('top'); topKillBrick.x = i * 80; topKillBrick.y = 30; topKillBrick.speed = 0; // Static, doesn't move topSpikes.push(topKillBrick); game.addChild(topKillBrick); } // Bottom kill zone - continuous barrier for (var j = 0; j < 30; j++) { var bottomKillBrick = new Spike('bottom'); bottomKillBrick.x = j * 80; bottomKillBrick.y = 2702; bottomKillBrick.speed = 0; // Static, doesn't move bottomSpikes.push(bottomKillBrick); game.addChild(bottomKillBrick); } } // Spawn deadly spikes at top function spawnTopSpikes() { for (var i = 0; i < 8; i++) { var spike = new Spike('top'); spike.x = 2200 + i * 80; spike.y = 30; topSpikes.push(spike); game.addChild(spike); } } // Spawn deadly spikes at bottom function spawnBottomSpikes() { for (var i = 0; i < 8; i++) { var spike = new Spike('bottom'); spike.x = 2200 + i * 80; spike.y = 2702; bottomSpikes.push(spike); game.addChild(spike); } } // Spawn mountain environment function spawnMountain() { var mountain = new Mountain(); mountain.x = 2400; mountain.y = 2600 + Math.random() * 200; // Position at bottom mountain.zIndex = -100; // Put mountains in background mountain.scaleX = 4.0; // Make mountains much bigger mountain.scaleY = 4.0; mountain.alpha = 0.4; // Add fog effect - make mountains more transparent mountains.push(mountain); game.addChild(mountain); } // Spawn castle environment function spawnCastle() { var castle = new Castle(); castle.x = 2400; castle.y = 2500 + Math.random() * 200; // Position at bottom castle.zIndex = -100; // Put castles in background castle.scaleX = 3.5; // Make castles much bigger castle.scaleY = 3.5; castle.alpha = 0.5; // Add fog effect - make castles more transparent castles.push(castle); game.addChild(castle); } // Main game loop game.update = function () { distance += gameSpeed; distanceTxt.setText('Distance: ' + Math.floor(distance / 10) + 'm'); // Increase difficulty over time if (LK.ticks % 1800 === 0) { // Every 30 seconds gameSpeed += 0.2; } // Spawn obstacles - Flappy Bird style with dynamic spacing based on speed spawnTimer++; var dynamicSpawnDelay = Math.floor(160 + (speedMultiplier - 1) * 2000); // Increase spacing as speed increases if (spawnTimer > dynamicSpawnDelay) { // More consistent spacing like Flappy Bird, adjusted for speed spawnObstacle(); spawnTimer = 0; } // Spawn scrolls (rare) scrollSpawnTimer++; if (scrollSpawnTimer > 600) { spawnScroll(); scrollSpawnTimer = 0; } // Spawn clouds for atmosphere cloudSpawnTimer++; if (cloudSpawnTimer > 200 + Math.random() * 300) { spawnCloud(); cloudSpawnTimer = 0; } // Spawn mountains (background environment) if (LK.ticks % 900 === 0) { spawnMountain(); } // Spawn castles (background environment) if (LK.ticks % 1200 === 0) { spawnCastle(); } // Update and clean up mountains for (var m = mountains.length - 1; m >= 0; m--) { var mountain = mountains[m]; if (mountain.x < -600) { mountain.destroy(); mountains.splice(m, 1); } } // Update and clean up castles for (var ct = castles.length - 1; ct >= 0; ct--) { var castle = castles[ct]; if (castle.x < -400) { castle.destroy(); castles.splice(ct, 1); } } // Spawn deadly spikes periodically (less frequent now that we have permanent ones) spikeSpawnTimer++; if (spikeSpawnTimer > 800 + Math.random() * 400) { spawnTopSpikes(); spawnBottomSpikes(); spikeSpawnTimer = 0; } // Update and clean up clouds for (var c = clouds.length - 1; c >= 0; c--) { var cloud = clouds[c]; if (cloud.x < -400) { cloud.destroy(); clouds.splice(c, 1); } } // Update and check obstacles for (var i = obstacles.length - 1; i >= 0; i--) { var obstacle = obstacles[i]; if (obstacle.lastX === undefined) obstacle.lastX = obstacle.x; // Remove off-screen obstacles if (obstacle.lastX >= -100 && obstacle.x < -100) { obstacle.destroy(); obstacles.splice(i, 1); continue; } // Check collision with dragon if (dragon.intersects(obstacle)) { // Enhanced collision effect - shake dragon before game over tween(dragon, { x: dragon.x + 20 }, { duration: 50, onFinish: function onFinish() { tween(dragon, { x: dragon.x - 40 }, { duration: 50, onFinish: function onFinish() { tween(dragon, { x: dragon.x + 20 }, { duration: 50, onFinish: function onFinish() { // Flash screen and show game over LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); } }); } }); } }); return; } // Score for passing obstacle - 1 point per obstacle if (!obstacle.passed && obstacle.x < dragon.x - 60) { obstacle.passed = true; LK.setScore(LK.getScore() + 1); speedMultiplier += 0.01; scoreTxt.setText('Score: ' + LK.getScore()); // Format speed display to show clean decimals (1.1, 1.2, etc) var displaySpeed = Math.round(speedMultiplier * 100) / 100; speedTxt.setText(displaySpeed.toFixed(1) + 'x'); } obstacle.lastX = obstacle.x; } // Update and check scrolls for (var k = scrolls.length - 1; k >= 0; k--) { var scroll = scrolls[k]; if (scroll.lastX === undefined) scroll.lastX = scroll.x; // Remove off-screen scrolls if (scroll.lastX >= -50 && scroll.x < -50) { scroll.destroy(); scrolls.splice(k, 1); continue; } // Check collection if (!scroll.collected && dragon.intersects(scroll)) { scroll.collected = true; LK.setScore(LK.getScore() + 100); scoreTxt.setText('Score: ' + LK.getScore()); LK.getSound('collect').play(); // Scroll collection effect tween(scroll, { alpha: 0, scaleX: 1.5, scaleY: 1.5 }, { duration: 400, onFinish: function onFinish() { scroll.destroy(); } }); scrolls.splice(k, 1); continue; } scroll.lastX = scroll.x; } // Update and clean up top spikes for (var s1 = topSpikes.length - 1; s1 >= 0; s1--) { var topSpike = topSpikes[s1]; if (topSpike.x < -100) { topSpike.destroy(); topSpikes.splice(s1, 1); continue; } // Check deadly collision with dragon if (dragon.intersects(topSpike)) { // Enhanced death effect - make dragon flash red tween(dragon, { tint: 0xff0000, scaleX: 1.3, scaleY: 1.3 }, { duration: 200, onFinish: function onFinish() { LK.effects.flashScreen(0xff0000, 1500); LK.showGameOver(); } }); return; } } // Update and clean up bottom spikes for (var s2 = bottomSpikes.length - 1; s2 >= 0; s2--) { var bottomSpike = bottomSpikes[s2]; if (bottomSpike.x < -100) { bottomSpike.destroy(); bottomSpikes.splice(s2, 1); continue; } // Check deadly collision with dragon if (dragon.intersects(bottomSpike)) { // Enhanced death effect - make dragon flash red tween(dragon, { tint: 0xff0000, scaleX: 1.3, scaleY: 1.3 }, { duration: 200, onFinish: function onFinish() { LK.effects.flashScreen(0xff0000, 1500); LK.showGameOver(); } }); return; } } // Win condition - survive long enough if (LK.getScore() >= 2000) { LK.showYouWin(); } }; // Start background music LK.playMusic('flight');