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

/**** 
* Classes
****/ 
// Drum class
var Drum = Container.expand(function () {
	var self = Container.call(this);
	self.drumType = 'none'; // 'large', 'left', 'right', 'sit', 'stand'
	self.action = null; // function to call on tap
	// Set up drum asset
	self.setDrum = function (type) {
		self.drumType = type;
		var assetId = type === 'large' ? 'drum_large' : 'drum_medium';
		var drum = self.attachAsset(assetId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Add label
		var label = new Text2('', {
			size: 54,
			fill: '#333333'
		});
		label.anchor.set(0.5, 0.5);
		if (type === 'large') label.setText('JUMP');else if (type === 'left') label.setText('HEAD\nLEFT');else if (type === 'right') label.setText('HEAD\nRIGHT');else if (type === 'sit') label.setText('SIT');else if (type === 'stand') label.setText('STAND');
		self.addChild(label);
	};
	// Drum tap effect
	self.flash = function () {
		tween(self, {
			scaleX: 1.18,
			scaleY: 0.92
		}, {
			duration: 80,
			onFinish: function onFinish() {
				tween(self, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 120
				});
			}
		});
	};
	// Touch event
	self.down = function (x, y, obj) {
		self.flash();
		LK.getSound('drum_tap').play();
		if (self.action) self.action();
	};
	return self;
});
// Puppet class: articulated body with simple kinematics
var Puppet = Container.expand(function () {
	var self = Container.call(this);
	// --- Body part sizes (for positioning) ---
	var headH = 120,
		headW = 120;
	var bodyH = 200,
		bodyW = 80;
	var upperArmH = 100,
		upperArmW = 40;
	var lowerArmH = 90,
		lowerArmW = 32;
	var upperLegH = 120,
		upperLegW = 48;
	var lowerLegH = 110,
		lowerLegW = 40;
	// --- Create body parts ---
	// Head
	var head = self.attachAsset('puppet_head', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Body
	var body = self.attachAsset('puppet_body', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Left upper arm
	var lUpperArm = self.attachAsset('puppet_upperarm', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Left lower arm
	var lLowerArm = self.attachAsset('puppet_lowerarm', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Right upper arm
	var rUpperArm = self.attachAsset('puppet_upperarm', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Right lower arm
	var rLowerArm = self.attachAsset('puppet_lowerarm', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Left upper leg
	var lUpperLeg = self.attachAsset('puppet_upperleg', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Left lower leg
	var lLowerLeg = self.attachAsset('puppet_lowerleg', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Right upper leg
	var rUpperLeg = self.attachAsset('puppet_upperleg', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Right lower leg
	var rLowerLeg = self.attachAsset('puppet_lowerleg', {
		anchorX: 0.5,
		anchorY: 0
	});
	// --- Initial pose state ---
	self.state = {
		vx: 0,
		// horizontal velocity
		vy: 0,
		// vertical velocity
		grounded: false,
		pose: 'stand',
		// 'stand', 'sit', 'jump'
		headAngle: 0,
		// radians, for "pull head" actions
		x: 0,
		// world position
		y: 0
	};
	// --- Positioning offsets (relative to puppet center) ---
	function updateBodyParts() {
		// Head
		head.x = 0;
		head.y = -bodyH / 2 - headH / 2 + 10;
		head.rotation = self.state.headAngle;
		// Body
		body.x = 0;
		body.y = -bodyH / 2;
		// Arms
		var armY = -bodyH / 2 + 30;
		var armX = bodyW / 2 + upperArmW / 2 - 10;
		// Left
		lUpperArm.x = -armX;
		lUpperArm.y = armY;
		lUpperArm.rotation = -0.25;
		lLowerArm.x = lUpperArm.x;
		lLowerArm.y = lUpperArm.y + upperArmH - 10;
		lLowerArm.rotation = 0.1;
		// Right
		rUpperArm.x = armX;
		rUpperArm.y = armY;
		rUpperArm.rotation = 0.25;
		rLowerArm.x = rUpperArm.x;
		rLowerArm.y = rUpperArm.y + upperArmH - 10;
		rLowerArm.rotation = -0.1;
		// Legs
		var legY = bodyH / 2 - 10;
		var legX = bodyW / 2 - 18;
		// Left
		lUpperLeg.x = -legX;
		lUpperLeg.y = legY;
		lUpperLeg.rotation = 0.1;
		lLowerLeg.x = lUpperLeg.x;
		lLowerLeg.y = lUpperLeg.y + upperLegH - 10;
		lLowerLeg.rotation = 0.05;
		// Right
		rUpperLeg.x = legX;
		rUpperLeg.y = legY;
		rUpperLeg.rotation = -0.1;
		rLowerLeg.x = rUpperLeg.x;
		rLowerLeg.y = rUpperLeg.y + upperLegH - 10;
		rLowerLeg.rotation = -0.05;
		// Pose adjustments
		if (self.state.pose === 'sit') {
			lUpperLeg.rotation = 1.2;
			lLowerLeg.rotation = -1.0;
			rUpperLeg.rotation = 1.2;
			rLowerLeg.rotation = -1.0;
			body.rotation = -0.2;
		} else if (self.state.pose === 'jump') {
			lUpperLeg.rotation = -0.7;
			lLowerLeg.rotation = 0.7;
			rUpperLeg.rotation = -0.7;
			rLowerLeg.rotation = 0.7;
			body.rotation = 0.1;
		} else {
			body.rotation = 0;
		}
	}
	// --- Public puppet actions ---
	self.pullHeadLeft = function () {
		// Pull head left, add leftward velocity
		if (self.state.grounded) {
			self.state.vx -= 12;
			self.state.headAngle = -0.5;
			tween(self.state, {
				headAngle: 0
			}, {
				duration: 400,
				easing: tween.easeOut
			});
		}
	};
	self.pullHeadRight = function () {
		if (self.state.grounded) {
			self.state.vx += 12;
			self.state.headAngle = 0.5;
			tween(self.state, {
				headAngle: 0
			}, {
				duration: 400,
				easing: tween.easeOut
			});
		}
	};
	self.jump = function () {
		if (self.state.grounded) {
			self.state.vy = -38;
			self.state.grounded = false;
			self.state.pose = 'jump';
			tween(self.state, {}, {
				duration: 0,
				onFinish: function onFinish() {
					// After 400ms, return to stand pose
					LK.setTimeout(function () {
						self.state.pose = 'stand';
					}, 400);
				}
			});
		}
	};
	self.sit = function () {
		if (self.state.grounded && self.state.pose !== 'sit') {
			self.state.pose = 'sit';
			// After 600ms, stand up automatically
			LK.setTimeout(function () {
				self.stand();
			}, 600);
		}
	};
	self.stand = function () {
		if (self.state.grounded && self.state.pose !== 'stand') {
			self.state.pose = 'stand';
		}
	};
	// --- Physics update ---
	self.update = function () {
		// Gravity
		if (!self.state.grounded) {
			self.state.vy += 2.2; // gravity
			if (self.state.vy > 40) self.state.vy = 40;
		}
		// Friction
		if (self.state.grounded) {
			self.state.vx *= 0.82;
			if (Math.abs(self.state.vx) < 0.5) self.state.vx = 0;
		} else {
			self.state.vx *= 0.98;
		}
		// Move
		self.state.x += self.state.vx;
		self.state.y += self.state.vy;
		// Clamp to world bounds
		if (self.state.x < 80) self.state.x = 80;
		if (self.state.x > 2048 - 80) self.state.x = 2048 - 80;
		if (self.state.y > 2732 - 80 - 60) self.state.y = 2732 - 80 - 60; // above ground
		// Ground collision
		if (self.state.y >= 2732 - 80 - 60) {
			self.state.y = 2732 - 80 - 60;
			self.state.vy = 0;
			self.state.grounded = true;
			if (self.state.pose === 'jump') self.state.pose = 'stand';
		} else {
			self.state.grounded = false;
		}
		// Apply to container
		self.x = self.state.x;
		self.y = self.state.y;
		updateBodyParts();
	};
	// --- Start position ---
	self.state.x = 180;
	self.state.y = 2732 - 80 - 60;
	updateBodyParts();
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// --- World setup ---
// Puppet body parts (shapes)
// Drums
// Ground
// Finish sign
// Drum tap sound
// Win/lose sound
game.setBackgroundColor(0x000000);
// Ground
var ground = LK.getAsset('ground', {
	anchorX: 0,
	anchorY: 0
});
ground.x = 0;
ground.y = 2732 - 80;
game.addChild(ground);
// Finish sign
var finishSign = LK.getAsset('finish_sign', {
	anchorX: 0.5,
	anchorY: 1
});
finishSign.x = 2048 - 120;
finishSign.y = 2732 - 80;
game.addChild(finishSign);
var finishText = new Text2('FINISH', {
	size: 54,
	fill: '#ffffff'
});
finishText.anchor.set(0.5, 0.5);
finishText.x = finishSign.x;
finishText.y = finishSign.y - finishSign.height / 2;
game.addChild(finishText);
// --- Puppet ---
var puppet = new Puppet();
game.addChild(puppet);
// --- Drums ---
var drums = [];
// Drum positions (relative to center)
var drumCenterX = 2048 / 2,
	drumCenterY = 2732 / 2 + 220;
var drumRadius = 220;
var angleList = [{
	type: 'left',
	angle: -Math.PI / 2 - 0.7
}, {
	type: 'right',
	angle: -Math.PI / 2 + 0.7
}, {
	type: 'sit',
	angle: Math.PI / 2 + 0.7
}, {
	type: 'stand',
	angle: Math.PI / 2 - 0.7
}];
// Large center drum (random action sequence)
var drumJump = new Drum();
drumJump.setDrum('large');
drumJump.x = drumCenterX;
drumJump.y = drumCenterY;
// Assign a random sequence of all 5 actions, and cycle through them
drumJump._actionSequence = shuffleArray(puppetActions.slice());
drumJump._actionIndex = 0;
drumJump.action = function () {
	drumJump._actionSequence[drumJump._actionIndex]();
	drumJump._actionIndex = (drumJump._actionIndex + 1) % drumJump._actionSequence.length;
};
game.addChild(drumJump);
drums.push(drumJump);
// --- Drum action pool ---
var puppetActions = [function () {
	puppet.pullHeadLeft();
}, function () {
	puppet.pullHeadRight();
}, function () {
	puppet.jump();
}, function () {
	puppet.sit();
}, function () {
	puppet.stand();
}];
// Helper to shuffle an array
function shuffleArray(arr) {
	for (var i = arr.length - 1; i > 0; i--) {
		var j = Math.floor(Math.random() * (i + 1));
		var temp = arr[i];
		arr[i] = arr[j];
		arr[j] = temp;
	}
	return arr;
}
// Four medium drums
for (var i = 0; i < angleList.length; ++i) {
	var d = new Drum();
	d.setDrum(angleList[i].type);
	d.x = drumCenterX + Math.cos(angleList[i].angle) * drumRadius;
	d.y = drumCenterY + Math.sin(angleList[i].angle) * drumRadius;
	// Each drum gets a random sequence of all 5 actions, and cycles through them
	d._actionSequence = shuffleArray(puppetActions.slice());
	d._actionIndex = 0;
	d.action = function (drum) {
		return function () {
			drum._actionSequence[drum._actionIndex]();
			drum._actionIndex = (drum._actionIndex + 1) % drum._actionSequence.length;
		};
	}(d);
	game.addChild(d);
	drums.push(d);
}
// --- Timer ---
var timeLeft = 60;
var timerText = new Text2('60', {
	size: 120,
	fill: '#ffffff'
});
timerText.anchor.set(0.5, 0);
LK.gui.top.addChild(timerText);
// --- Score/Win state ---
var gameEnded = false;
// --- Timer logic ---
var timerInterval = LK.setInterval(function () {
	if (gameEnded) return;
	timeLeft -= 1;
	if (timeLeft < 0) timeLeft = 0;
	timerText.setText(timeLeft);
	if (timeLeft === 0 && !gameEnded) {
		gameEnded = true;
		LK.getSound('lose').play();
		LK.effects.flashScreen(0xff0000, 800);
		LK.showGameOver();
	}
}, 1000);
// --- Game update ---
game.update = function () {
	if (gameEnded) return;
	puppet.update();
	// Win condition: puppet intersects finish sign
	if (puppet.x + 40 > finishSign.x - finishSign.width / 2 && puppet.x - 40 < finishSign.x + finishSign.width / 2 && puppet.y + 80 > finishSign.y - finishSign.height && puppet.y - 80 < finishSign.y) {
		if (!gameEnded) {
			gameEnded = true;
			LK.getSound('win').play();
			LK.effects.flashScreen(0x44c767, 800);
			LK.showYouWin();
		}
	}
};
// --- Clean up on game over ---
game.onDestroy = function () {
	LK.clearInterval(timerInterval);
};
// --- Prevent accidental tap on top left (menu) ---
/* No elements are placed at (0,0)-(100,100) */
// --- UX: drums are always on top ---
for (var i = 0; i < drums.length; ++i) {
	game.addChild(drums[i]);
}

===================================================================
--- original.js
+++ change.js
@@ -302,15 +302,15 @@
 
 /**** 
 * Game Code
 ****/ 
-// Win/lose sound
-// Drum tap sound
-// Finish sign
-// Ground
-// Drums
-// Puppet body parts (shapes)
 // --- World setup ---
+// Puppet body parts (shapes)
+// Drums
+// Ground
+// Finish sign
+// Drum tap sound
+// Win/lose sound
 game.setBackgroundColor(0x000000);
 // Ground
 var ground = LK.getAsset('ground', {
 	anchorX: 0,
@@ -356,34 +356,59 @@
 }, {
 	type: 'stand',
 	angle: Math.PI / 2 - 0.7
 }];
-// Large center drum (jump)
+// Large center drum (random action sequence)
 var drumJump = new Drum();
 drumJump.setDrum('large');
 drumJump.x = drumCenterX;
 drumJump.y = drumCenterY;
+// Assign a random sequence of all 5 actions, and cycle through them
+drumJump._actionSequence = shuffleArray(puppetActions.slice());
+drumJump._actionIndex = 0;
 drumJump.action = function () {
-	puppet.jump();
+	drumJump._actionSequence[drumJump._actionIndex]();
+	drumJump._actionIndex = (drumJump._actionIndex + 1) % drumJump._actionSequence.length;
 };
 game.addChild(drumJump);
 drums.push(drumJump);
+// --- Drum action pool ---
+var puppetActions = [function () {
+	puppet.pullHeadLeft();
+}, function () {
+	puppet.pullHeadRight();
+}, function () {
+	puppet.jump();
+}, function () {
+	puppet.sit();
+}, function () {
+	puppet.stand();
+}];
+// Helper to shuffle an array
+function shuffleArray(arr) {
+	for (var i = arr.length - 1; i > 0; i--) {
+		var j = Math.floor(Math.random() * (i + 1));
+		var temp = arr[i];
+		arr[i] = arr[j];
+		arr[j] = temp;
+	}
+	return arr;
+}
 // Four medium drums
 for (var i = 0; i < angleList.length; ++i) {
 	var d = new Drum();
 	d.setDrum(angleList[i].type);
 	d.x = drumCenterX + Math.cos(angleList[i].angle) * drumRadius;
 	d.y = drumCenterY + Math.sin(angleList[i].angle) * drumRadius;
-	// Assign action
-	if (angleList[i].type === 'left') d.action = function () {
-		puppet.pullHeadLeft();
-	};else if (angleList[i].type === 'right') d.action = function () {
-		puppet.pullHeadRight();
-	};else if (angleList[i].type === 'sit') d.action = function () {
-		puppet.sit();
-	};else if (angleList[i].type === 'stand') d.action = function () {
-		puppet.stand();
-	};
+	// Each drum gets a random sequence of all 5 actions, and cycles through them
+	d._actionSequence = shuffleArray(puppetActions.slice());
+	d._actionIndex = 0;
+	d.action = function (drum) {
+		return function () {
+			drum._actionSequence[drum._actionIndex]();
+			drum._actionIndex = (drum._actionIndex + 1) % drum._actionSequence.length;
+		};
+	}(d);
 	game.addChild(d);
 	drums.push(d);
 }
 // --- Timer ---