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

/**** 
* Classes
****/ 
var Ball = Container.expand(function (color) {
	var self = Container.call(this);
	self.ballColor = color || 'red';
	self.ballGraphics = self.attachAsset('ball_' + self.ballColor, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.chainIndex = 0;
	self.pathPosition = 0;
	self.isExploding = false;
	self.lastPathPosition = 0;
	self.isOffScreen = false;
	self.lastX = 0;
	self.lastY = 0;
	self.checkOffScreen = function () {
		// Check if ball has moved completely off screen
		var margin = 100; // Extra margin to ensure ball is truly gone
		var wasOnScreen = self.lastX >= -margin && self.lastX <= 2048 + margin && self.lastY >= -margin && self.lastY <= 2732 + margin;
		var isNowOffScreen = self.x < -margin || self.x > 2048 + margin || self.y < -margin || self.y > 2732 + margin;
		// Detect transition from on-screen to off-screen
		if (wasOnScreen && isNowOffScreen && !self.isOffScreen) {
			self.isOffScreen = true;
		}
		// Update last known positions
		self.lastX = self.x;
		self.lastY = self.y;
	};
	self.explode = function () {
		if (self.isExploding) return;
		self.isExploding = true;
		tween(self.ballGraphics, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 0
		}, {
			duration: 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				if (self.parent) {
					self.parent.removeChild(self);
				}
			}
		});
		LK.getSound('explosion').play();
	};
	self.destroyOnHit = function () {
		// Create impact explosion effect when ball is hit
		var impactEffect = LK.getAsset('ball_yellow', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y,
			scaleX: 0.5,
			scaleY: 0.5,
			alpha: 1.0,
			tint: 0xFFFFFF
		});
		if (self.parent) {
			self.parent.addChild(impactEffect);
		}
		// Animate impact effect
		tween(impactEffect, {
			scaleX: 2.0,
			scaleY: 2.0,
			alpha: 0
		}, {
			duration: 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				if (impactEffect.parent) {
					impactEffect.parent.removeChild(impactEffect);
				}
			}
		});
		// Create particle burst effect
		for (var i = 0; i < 6; i++) {
			var particle = LK.getAsset('ball_' + self.ballColor, {
				anchorX: 0.5,
				anchorY: 0.5,
				x: self.x,
				y: self.y,
				scaleX: 0.3,
				scaleY: 0.3,
				alpha: 0.8
			});
			if (self.parent) {
				self.parent.addChild(particle);
			}
			var angle = i * 60 * Math.PI / 180;
			var distance = 60 + Math.random() * 40;
			tween(particle, {
				x: self.x + Math.cos(angle) * distance,
				y: self.y + Math.sin(angle) * distance,
				scaleX: 0.1,
				scaleY: 0.1,
				alpha: 0
			}, {
				duration: 400,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					if (particle.parent) {
						particle.parent.removeChild(particle);
					}
				}
			});
		}
		// Purple balls require multiple hits, others destroyed immediately
		if (self.ballColor === 'purple') {
			if (!self.hitCount) self.hitCount = 0;
			self.hitCount++;
			if (self.hitCount >= 2) {
				// Mor top tamamen yok edildiğinde: bir kaos patlaması gibi zincire çok ve karışık top ekle
				if (typeof addBallToChain === "function" && typeof addBallGroup === "function") {
					// 4-7 arası rastgele top ekle
					var extraBalls = 4 + Math.floor(Math.random() * 4);
					for (var i = 0; i < extraBalls; i++) {
						if (Math.random() < 0.5) {
							addBallToChain();
						} else {
							addBallGroup();
						}
					}
				}
				self.explode();
				return true;
			} else {
				// Flash purple ball to show it was hit
				tween(self.ballGraphics, {
					tint: 0xFF00FF,
					scaleX: 1.2,
					scaleY: 1.2
				}, {
					duration: 150,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(self.ballGraphics, {
							tint: 0xFFFFFF,
							scaleX: 1.0,
							scaleY: 1.0
						}, {
							duration: 100,
							easing: tween.easeIn
						});
					}
				});
				return false;
			}
		} else {
			self.explode();
			return true;
		}
	};
	return self;
});
var Frog = Container.expand(function () {
	var self = Container.call(this);
	self.frogGraphics = self.attachAsset('frog', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.currentBallColor = ballColors[Math.floor(Math.random() * ballColors.length)];
	self.nextBallColor = ballColors[Math.floor(Math.random() * ballColors.length)];
	self.currentBall = self.attachAsset('ball_' + self.currentBallColor, {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -40,
		scaleX: 0.6,
		scaleY: 0.6
	});
	// Removed highlight circle behind frog
	self.aimAngle = 0;
	self.canShoot = true;
	self.updateFrogColor = function () {
		// Color mapping for frog tinting based on ball color
		var colorMap = {
			'red': 0xff8888,
			'blue': 0x8888ff,
			'yellow': 0xffff88,
			'green': 0x88ff88,
			'purple': 0xff88ff
		};
		self.frogGraphics.tint = colorMap[self.currentBallColor] || 0xffffff;
	};
	// Initialize frog color
	self.updateFrogColor();
	self.updateAim = function (targetX, targetY) {
		var dx = targetX - self.x;
		var dy = targetY - self.y;
		self.aimAngle = Math.atan2(dy, dx);
		self.frogGraphics.rotation = self.aimAngle + Math.PI / 2;
	};
	self.shoot = function () {
		if (!self.canShoot) return null;
		var projectile = new Projectile(self.currentBallColor);
		projectile.x = self.x;
		projectile.y = self.y;
		projectile.velocityX = Math.cos(self.aimAngle) * projectile.speed;
		projectile.velocityY = Math.sin(self.aimAngle) * projectile.speed;
		// Add visual effect when projectile is fired
		// Create shooting effect with glow and scale animation
		tween(projectile.projectileGraphics, {
			scaleX: 1.2,
			scaleY: 1.2,
			tint: 0xFFFFFF
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(projectile.projectileGraphics, {
					scaleX: 0.8,
					scaleY: 0.8,
					tint: 0xFFFFFF
				}, {
					duration: 100,
					easing: tween.easeIn
				});
			}
		});
		// Create muzzle flash effect at frog's mouth
		var muzzleFlash = LK.getAsset('ball_yellow', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x + Math.cos(self.aimAngle) * 30,
			y: self.y + Math.sin(self.aimAngle) * 30,
			scaleX: 0.4,
			scaleY: 0.4,
			alpha: 0.8,
			tint: 0xFFD700
		});
		game.addChild(muzzleFlash);
		// Animate muzzle flash
		tween(muzzleFlash, {
			scaleX: 0.8,
			scaleY: 0.8,
			alpha: 0
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				if (muzzleFlash.parent) {
					muzzleFlash.parent.removeChild(muzzleFlash);
				}
			}
		});
		// Update frog's current ball
		self.currentBallColor = self.nextBallColor;
		self.nextBallColor = ballColors[Math.floor(Math.random() * ballColors.length)];
		if (self.currentBall.parent) {
			self.currentBall.parent.removeChild(self.currentBall);
		}
		self.currentBall = self.attachAsset('ball_' + self.currentBallColor, {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 0,
			y: -40,
			scaleX: 0.6,
			scaleY: 0.6
		});
		// Removed highlight circle and pulsing effect logic
		// Update frog color to match new ball
		self.updateFrogColor();
		LK.getSound('shoot').play();
		return projectile;
	};
	return self;
});
// Game constants
var Projectile = Container.expand(function (color) {
	var self = Container.call(this);
	self.ballColor = color;
	self.projectileGraphics = self.attachAsset('ball_' + self.ballColor, {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	self.velocityX = 0;
	self.velocityY = 0;
	self.speed = 12;
	self.active = true;
	self.update = function () {
		if (!self.active) return;
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Check bounds
		if (self.x < 0 || self.x > 2048 || self.y < 0 || self.y > 2732) {
			self.active = false;
			if (self.parent) {
				self.parent.removeChild(self);
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2d5016
});

/**** 
* Game Code
****/ 
// Initialize game assets with Maya theme and retro pixel style
// Game constants
var ballColors = ['red', 'blue', 'yellow', 'green', 'purple'];
var pathRadius = 400;
var centerX = 2048 / 2;
var centerY = 2732 / 2;
var chainSpeed = 0.22; // Slower chain movement for longer play
var maxChainLength = 220; // Allow even more balls in chain
var MAX_SPEED = 8; // Maximum allowed speed for balls
// Game variables
var ballChain = [];
var projectiles = [];
var gameRunning = true;
var chainProgress = 0;
var matchCombo = 0;
// Add green leafy background image (fills the screen, behind all game elements)
var leafyBg = LK.getAsset('path_marker', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX,
	y: centerY,
	scaleX: 2048 / 3000,
	scaleY: 2732 / 3000,
	alpha: 0.7 // subtle, not too strong
});
game.addChild(leafyBg);
// Create temple center
var templeCenter = LK.getAsset('temple_center', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX,
	y: centerY
});
game.addChild(templeCenter);
// Create frog
var frog = new Frog();
frog.x = centerX;
frog.y = centerY;
game.addChild(frog);
// Create score display
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create chain length display
var chainTxt = new Text2('Chain: 0', {
	size: 60,
	fill: 0xFFFF00
});
chainTxt.anchor.set(0, 0);
chainTxt.x = 50;
chainTxt.y = 50;
LK.gui.topLeft.addChild(chainTxt);
// Initialize ball chain
function createInitialChain() {
	for (var i = 0; i < 130; i++) {
		// Increased from 90 to 130 for longer play
		var color = ballColors[Math.floor(Math.random() * ballColors.length)];
		var ball = new Ball(color);
		ball.chainIndex = i;
		ball.pathPosition = i * 70;
		ballChain.push(ball);
		game.addChild(ball);
		updateBallPosition(ball);
	}
}
// Update ball position along scattered path with orderly movement
function updateBallPosition(ball) {
	if (!ball.scatterDirection) {
		// Initialize scatter direction for each ball
		var angleOffset = ball.chainIndex * 137.5 % 360; // Golden angle for even distribution
		ball.scatterDirection = angleOffset * Math.PI / 180;
		ball.scatterRadius = 200 + ball.chainIndex % 3 * 50; // Varying distances
	}
	var totalProgress = chainProgress + ball.pathPosition;
	var moveDistance = totalProgress * 0.5;
	var targetX = centerX + Math.cos(ball.scatterDirection) * (ball.scatterRadius + moveDistance);
	var targetY = centerY + Math.sin(ball.scatterDirection) * (ball.scatterRadius + moveDistance);
	// Smooth movement towards target position
	ball.x = ball.x + (targetX - ball.x) * 0.1;
	ball.y = ball.y + (targetY - ball.y) * 0.1;
}
// Add new ball to front of chain
function addBallToChain() {
	if (ballChain.length >= maxChainLength) return;
	var color = ballColors[Math.floor(Math.random() * ballColors.length)];
	var ball = new Ball(color);
	ball.chainIndex = ballChain.length;
	ball.pathPosition = ballChain.length > 0 ? ballChain[ballChain.length - 1].pathPosition + 70 : 0;
	ballChain.push(ball);
	game.addChild(ball);
	updateBallPosition(ball);
}
// Add group of same color balls occasionally
function addBallGroup() {
	if (ballChain.length >= maxChainLength - 5) return;
	var groupColor = ballColors[Math.floor(Math.random() * ballColors.length)];
	var groupSize = 3 + Math.floor(Math.random() * 3); // 3-5 balls
	for (var i = 0; i < groupSize; i++) {
		if (ballChain.length >= maxChainLength) break;
		var ball = new Ball(groupColor);
		ball.chainIndex = ballChain.length;
		ball.pathPosition = ballChain.length > 0 ? ballChain[ballChain.length - 1].pathPosition + 70 : 0;
		ballChain.push(ball);
		game.addChild(ball);
		updateBallPosition(ball);
	}
}
// Check for matches in chain
function checkMatches() {
	var matches = [];
	var currentColor = null;
	var currentGroup = [];
	for (var i = 0; i < ballChain.length; i++) {
		var ball = ballChain[i];
		if (ball.isExploding) continue;
		if (ball.ballColor === currentColor) {
			currentGroup.push(ball);
		} else {
			if (currentGroup.length >= 3) {
				matches = matches.concat(currentGroup);
			}
			currentColor = ball.ballColor;
			currentGroup = [ball];
		}
	}
	// Check last group
	if (currentGroup.length >= 3) {
		matches = matches.concat(currentGroup);
	}
	if (matches.length > 0) {
		// Award points
		var points = matches.length * 10;
		if (matchCombo > 0) {
			points *= matchCombo + 1;
		}
		LK.setScore(LK.getScore() + points);
		matchCombo++;
		// Explode matched balls with Maya-themed effects
		for (var j = 0; j < matches.length; j++) {
			var matchedBall = matches[j];
			// Create temple-themed glow effect
			tween(matchedBall.ballGraphics, {
				tint: 0xFFD700,
				// Golden glow
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 150,
				easing: tween.easeOut
			});
			// Add screen flash effect for larger matches
			if (matches.length >= 5) {
				LK.effects.flashScreen(0xFFD700, 400); // Golden flash
			}
			matchedBall.explode();
		}
		// Remove exploded balls from chain
		ballChain = ballChain.filter(function (ball) {
			return !ball.isExploding;
		});
		// Reindex remaining balls
		for (var k = 0; k < ballChain.length; k++) {
			ballChain[k].chainIndex = k;
		}
		// Create energy burst effect at match location
		if (matches.length > 0) {
			var centerMatchX = 0;
			var centerMatchY = 0;
			for (var effectIndex = 0; effectIndex < matches.length; effectIndex++) {
				centerMatchX += matches[effectIndex].x;
				centerMatchY += matches[effectIndex].y;
			}
			centerMatchX /= matches.length;
			centerMatchY /= matches.length;
			// Create energy orbs radiating from match center
			for (var orbIndex = 0; orbIndex < 6; orbIndex++) {
				var energyOrb = LK.getAsset('ball_yellow', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: centerMatchX,
					y: centerMatchY,
					scaleX: 0.3,
					scaleY: 0.3,
					alpha: 0.8
				});
				game.addChild(energyOrb);
				var angle = orbIndex * 60 * Math.PI / 180;
				var distance = 120 + Math.random() * 80;
				tween(energyOrb, {
					x: centerMatchX + Math.cos(angle) * distance,
					y: centerMatchY + Math.sin(angle) * distance,
					alpha: 0,
					scaleX: 0.1,
					scaleY: 0.1
				}, {
					duration: 800,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						if (energyOrb.parent) {
							energyOrb.parent.removeChild(energyOrb);
						}
					}
				});
			}
		}
		LK.getSound('match').play();
		// Add new balls after successful matches to increase difficulty
		// Add more balls for larger matches to reward skillful play
		var ballsToAdd = 3 + Math.floor(matches.length / 3); // Base 3 + bonus for larger matches
		for (var addCount = 0; addCount < ballsToAdd; addCount++) {
			addBallToChain();
		}
		// Check for chain reactions
		LK.setTimeout(function () {
			checkMatches();
		}, 300);
	} else {
		matchCombo = 0;
	}
}
// Insert projectile into chain
function insertProjectileIntoChain(projectile, insertIndex) {
	var newBall = new Ball(projectile.ballColor);
	newBall.chainIndex = insertIndex;
	// Adjust positions of balls after insertion point
	for (var i = insertIndex; i < ballChain.length; i++) {
		ballChain[i].chainIndex++;
		ballChain[i].pathPosition += 70;
	}
	// Set position for new ball
	if (insertIndex < ballChain.length) {
		newBall.pathPosition = ballChain[insertIndex].pathPosition - 70;
	} else {
		newBall.pathPosition = insertIndex * 70;
	}
	ballChain.splice(insertIndex, 0, newBall);
	game.addChild(newBall);
	updateBallPosition(newBall);
	// Remove projectile
	if (projectile.parent) {
		projectile.parent.removeChild(projectile);
	}
	// Check for matches
	LK.setTimeout(function () {
		checkMatches();
	}, 100);
}
function handleBallHit(projectileColor, targetBallColor) {
	if (targetBallColor === "purple") {
		// Mor topa vurulunca skor sıfırlanır
		LK.setScore(0);
		LK.getSound('explosion').play(); // sinek efekti
		return;
	}
	if (projectileColor === targetBallColor) {
		// Doğru renge vurulduysa
		LK.setScore(LK.getScore() + 5);
		LK.getSound('match').play();
	} else {
		// Yanlış renge vurulduysa
		LK.setScore(Math.max(0, LK.getScore() - 5));
		LK.getSound('shoot').play();
	}
}
// Handle touch input
game.down = function (x, y, obj) {
	if (!gameRunning) return;
	frog.updateAim(x, y);
	var projectile = frog.shoot();
	if (projectile) {
		projectiles.push(projectile);
		game.addChild(projectile);
	}
};
game.move = function (x, y, obj) {
	if (!gameRunning) return;
	frog.updateAim(x, y);
};
// Main game update loop
game.update = function () {
	if (!gameRunning) return;
	// Update chain progress
	chainProgress += chainSpeed;
	// Update ball positions
	for (var i = 0; i < ballChain.length; i++) {
		var ball = ballChain[i];
		if (!ball.isExploding) {
			ball.lastPathPosition = ball.pathPosition;
			var lastX = ball.x;
			var lastY = ball.y;
			updateBallPosition(ball);
			// Check off-screen status
			ball.checkOffScreen();
			// Detect very fast moving balls and occasionally destroy them
			var deltaX = ball.x - lastX;
			var deltaY = ball.y - lastY;
			var speed = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
			// Limit ball speed to MAX_SPEED
			if (speed > MAX_SPEED) {
				var speedRatio = MAX_SPEED / speed;
				var limitedDeltaX = deltaX * speedRatio;
				var limitedDeltaY = deltaY * speedRatio;
				ball.x = lastX + limitedDeltaX;
				ball.y = lastY + limitedDeltaY;
				speed = MAX_SPEED;
			}
			if (speed > 8 && Math.random() < 0.02) {
				// 2% chance to destroy fast balls
				ball.explode();
				ballChain.splice(i, 1);
				i--; // Adjust index after removal
				// Reindex remaining balls
				for (var reindexI = 0; reindexI < ballChain.length; reindexI++) {
					ballChain[reindexI].chainIndex = reindexI;
				}
				continue;
			}
			// Check if chain reached center (game over condition)
			var totalProgress = chainProgress + ball.pathPosition;
			var distanceFromCenter = Math.sqrt((ball.x - centerX) * (ball.x - centerX) + (ball.y - centerY) * (ball.y - centerY));
			if (distanceFromCenter <= 120 && ball.chainIndex === 0) {
				gameRunning = false;
				LK.showGameOver();
				return;
			}
		}
	}
	// Update projectiles
	for (var j = projectiles.length - 1; j >= 0; j--) {
		var projectile = projectiles[j];
		if (!projectile.active) {
			projectiles.splice(j, 1);
			continue;
		}
		// Check collision with chain balls
		var hitBall = null;
		var insertIndex = -1;
		for (var k = 0; k < ballChain.length; k++) {
			var chainBall = ballChain[k];
			if (chainBall.isExploding) continue;
			var dx = projectile.x - chainBall.x;
			var dy = projectile.y - chainBall.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < 55) {
				hitBall = chainBall;
				insertIndex = k;
				break;
			}
		}
		if (hitBall) {
			// Check if projectile color matches hit ball color for scoring
			var isColorMatch = projectile.ballColor === hitBall.ballColor;
			var isPurpleBall = hitBall.ballColor === 'purple';
			// Destroy ball on hit (purple balls need multiple hits)
			var ballDestroyed = hitBall.destroyOnHit();
			if (ballDestroyed) {
				// Remove destroyed ball from chain
				for (var removeIndex = 0; removeIndex < ballChain.length; removeIndex++) {
					if (ballChain[removeIndex] === hitBall) {
						ballChain.splice(removeIndex, 1);
						break;
					}
				}
				// Reindex remaining balls
				for (var reindexK = 0; reindexK < ballChain.length; reindexK++) {
					ballChain[reindexK].chainIndex = reindexK;
				}
				// Use centralized scoring function
				handleBallHit(projectile.ballColor, hitBall.ballColor);
			}
			// Only create special effects for matching colors (excluding purple)
			if (isColorMatch && !isPurpleBall && hitBall && hitBall.ballGraphics) {
				// Create Maya-themed matching effect
				tween(hitBall.ballGraphics, {
					tint: 0xFFD700,
					// Golden glow
					scaleX: 1.4,
					scaleY: 1.4
				}, {
					duration: 200,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						if (hitBall && hitBall.ballGraphics) {
							tween(hitBall.ballGraphics, {
								tint: 0xFFFFFF,
								// Return to normal
								scaleX: 1.0,
								scaleY: 1.0
							}, {
								duration: 100,
								easing: tween.easeIn
							});
						}
					}
				});
				// Create energy burst effect around the hit ball
				for (var effectIndex = 0; effectIndex < 4; effectIndex++) {
					var energyParticle = LK.getAsset('ball_yellow', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: hitBall.x,
						y: hitBall.y,
						scaleX: 0.2,
						scaleY: 0.2,
						alpha: 0.9
					});
					game.addChild(energyParticle);
					var angle = effectIndex * 90 * Math.PI / 180;
					var distance = 80;
					tween(energyParticle, {
						x: hitBall.x + Math.cos(angle) * distance,
						y: hitBall.y + Math.sin(angle) * distance,
						alpha: 0,
						scaleX: 0.05,
						scaleY: 0.05
					}, {
						duration: 500,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							if (energyParticle.parent) {
								energyParticle.parent.removeChild(energyParticle);
							}
						}
					});
				}
				// Only add bonus balls for correct color matches (not purple)
				if (isColorMatch && !isPurpleBall) {
					addBallToChain();
					addBallToChain();
				}
			}
			// Remove projectile immediately after hit
			projectile.active = false;
			if (projectile.parent) {
				projectile.parent.removeChild(projectile);
			}
			projectiles.splice(j, 1);
			if (!ballDestroyed) {
				insertProjectileIntoChain(projectile, insertIndex);
			}
		}
	}
	// --- Continuous, looping ball and group spawns until score is zero ---
	if (LK.getScore() > 0) {
		// Timers for next ball and group spawn
		if (typeof nextBallSpawnTick === "undefined") {
			var nextBallSpawnTick = LK.ticks + 30 + Math.floor(Math.random() * 90); // 0.5-2s
			var nextBallGroupSpawnTick = LK.ticks + 120 + Math.floor(Math.random() * 180); // 2-5s
			var nextChaosSpawnTick = LK.ticks + 180 + Math.floor(Math.random() * 300); // 3-8s
		}
		// Random single ball spawns
		if (LK.ticks >= nextBallSpawnTick && ballChain.length < maxChainLength) {
			var ballsToAdd = 1 + Math.floor(Math.random() * 2); // 1-2 balls (slower progression)
			for (var i = 0; i < ballsToAdd; i++) {
				addBallToChain();
			}
			// Next spawn in 0.5-2s
			nextBallSpawnTick = LK.ticks + 30 + Math.floor(Math.random() * 90);
		}
		// Random group spawns
		if (LK.ticks >= nextBallGroupSpawnTick && ballChain.length < maxChainLength - 5) {
			var doGroup = Math.random() < 0.7; // 70% chance group, 30% chance single
			if (doGroup) {
				addBallGroup();
			} else {
				addBallToChain();
				addBallToChain();
			}
			// Next group in 2-5s
			nextBallGroupSpawnTick = LK.ticks + 120 + Math.floor(Math.random() * 180);
		}
		// Rare chaos burst: lots of balls at once, unpredictable
		if (LK.ticks >= nextChaosSpawnTick && ballChain.length < maxChainLength - 8) {
			var chaosCount = 3 + Math.floor(Math.random() * 3); // 3-5 balls (less overwhelming)
			for (var i = 0; i < chaosCount; i++) {
				if (Math.random() < 0.5) {
					addBallToChain();
				} else {
					addBallGroup();
				}
			}
			// Next chaos in 3-8s
			nextChaosSpawnTick = LK.ticks + 180 + Math.floor(Math.random() * 300);
		}
	} else {
		// If score is zero, stop all new ball spawns
		// Optionally, you could clear timers or handle end-of-loop logic here
	}
	// Update UI
	scoreTxt.setText('Score: ' + LK.getScore());
	chainTxt.setText('Chain: ' + ballChain.length);
	// Check if all balls are scattered off screen (game over condition)
	var allBallsOffScreen = ballChain.length > 0;
	for (var m = 0; m < ballChain.length; m++) {
		if (!ballChain[m].isOffScreen && !ballChain[m].isExploding) {
			allBallsOffScreen = false;
			break;
		}
	}
	if (allBallsOffScreen && ballChain.length > 0) {
		gameRunning = false;
		LK.showGameOver();
		return;
	}
	// Win condition - clear all balls
	if (ballChain.length === 0) {
		gameRunning = false;
		LK.setScore(LK.getScore() + 1000); // Bonus for clearing
		LK.showYouWin();
	}
};
// Initialize the game
createInitialChain();
;
// Play background music 'amazon'
LK.playMusic('amazon');
// Minimalistic tween library for animations

===================================================================
--- original.js
+++ change.js
@@ -756,48 +756,53 @@
 				insertProjectileIntoChain(projectile, insertIndex);
 			}
 		}
 	}
-	// --- Randomized, unpredictable ball and group spawns ---
-	// Timers for next ball and group spawn
-	if (typeof nextBallSpawnTick === "undefined") {
-		var nextBallSpawnTick = LK.ticks + 30 + Math.floor(Math.random() * 90); // 0.5-2s
-		var nextBallGroupSpawnTick = LK.ticks + 120 + Math.floor(Math.random() * 180); // 2-5s
-		var nextChaosSpawnTick = LK.ticks + 180 + Math.floor(Math.random() * 300); // 3-8s
-	}
-	// Random single ball spawns
-	if (LK.ticks >= nextBallSpawnTick && ballChain.length < maxChainLength) {
-		var ballsToAdd = 1 + Math.floor(Math.random() * 2); // 1-2 balls (slower progression)
-		for (var i = 0; i < ballsToAdd; i++) {
-			addBallToChain();
+	// --- Continuous, looping ball and group spawns until score is zero ---
+	if (LK.getScore() > 0) {
+		// Timers for next ball and group spawn
+		if (typeof nextBallSpawnTick === "undefined") {
+			var nextBallSpawnTick = LK.ticks + 30 + Math.floor(Math.random() * 90); // 0.5-2s
+			var nextBallGroupSpawnTick = LK.ticks + 120 + Math.floor(Math.random() * 180); // 2-5s
+			var nextChaosSpawnTick = LK.ticks + 180 + Math.floor(Math.random() * 300); // 3-8s
 		}
-		// Next spawn in 0.5-2s
-		nextBallSpawnTick = LK.ticks + 30 + Math.floor(Math.random() * 90);
-	}
-	// Random group spawns
-	if (LK.ticks >= nextBallGroupSpawnTick && ballChain.length < maxChainLength - 5) {
-		var doGroup = Math.random() < 0.7; // 70% chance group, 30% chance single
-		if (doGroup) {
-			addBallGroup();
-		} else {
-			addBallToChain();
-			addBallToChain();
-		}
-		// Next group in 2-5s
-		nextBallGroupSpawnTick = LK.ticks + 120 + Math.floor(Math.random() * 180);
-	}
-	// Rare chaos burst: lots of balls at once, unpredictable
-	if (LK.ticks >= nextChaosSpawnTick && ballChain.length < maxChainLength - 8) {
-		var chaosCount = 3 + Math.floor(Math.random() * 3); // 3-5 balls (less overwhelming)
-		for (var i = 0; i < chaosCount; i++) {
-			if (Math.random() < 0.5) {
+		// Random single ball spawns
+		if (LK.ticks >= nextBallSpawnTick && ballChain.length < maxChainLength) {
+			var ballsToAdd = 1 + Math.floor(Math.random() * 2); // 1-2 balls (slower progression)
+			for (var i = 0; i < ballsToAdd; i++) {
 				addBallToChain();
-			} else {
+			}
+			// Next spawn in 0.5-2s
+			nextBallSpawnTick = LK.ticks + 30 + Math.floor(Math.random() * 90);
+		}
+		// Random group spawns
+		if (LK.ticks >= nextBallGroupSpawnTick && ballChain.length < maxChainLength - 5) {
+			var doGroup = Math.random() < 0.7; // 70% chance group, 30% chance single
+			if (doGroup) {
 				addBallGroup();
+			} else {
+				addBallToChain();
+				addBallToChain();
 			}
+			// Next group in 2-5s
+			nextBallGroupSpawnTick = LK.ticks + 120 + Math.floor(Math.random() * 180);
 		}
-		// Next chaos in 3-8s
-		nextChaosSpawnTick = LK.ticks + 180 + Math.floor(Math.random() * 300);
+		// Rare chaos burst: lots of balls at once, unpredictable
+		if (LK.ticks >= nextChaosSpawnTick && ballChain.length < maxChainLength - 8) {
+			var chaosCount = 3 + Math.floor(Math.random() * 3); // 3-5 balls (less overwhelming)
+			for (var i = 0; i < chaosCount; i++) {
+				if (Math.random() < 0.5) {
+					addBallToChain();
+				} else {
+					addBallGroup();
+				}
+			}
+			// Next chaos in 3-8s
+			nextChaosSpawnTick = LK.ticks + 180 + Math.floor(Math.random() * 300);
+		}
+	} else {
+		// If score is zero, stop all new ball spawns
+		// Optionally, you could clear timers or handle end-of-loop logic here
 	}
 	// Update UI
 	scoreTxt.setText('Score: ' + LK.getScore());
 	chainTxt.setText('Chain: ' + ballChain.length);