/**** 
* 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
		});
		// (Drum label removed)
	};
	// 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();
		// Play unique sound for each drum type
		if (self.drumType === 'large') {
			LK.getSound('drum_tap_center').play();
		} else if (self.drumType === 'left') {
			// Play with very long reverb effect
			if (typeof reverb !== "undefined" && reverb.add) {
				var leftSound = LK.getSound('drum_tap_left');
				reverb.add(leftSound, {
					reverbTime: 3.5
				}); // simulate very long reverb (if plugin supports param)
				leftSound.play();
			} else {
				LK.getSound('drum_tap_left').play();
			}
		} else if (self.drumType === 'right') {
			// Play with very long reverb effect
			if (typeof reverb !== "undefined" && reverb.add) {
				var rightSound = LK.getSound('drum_tap_right');
				reverb.add(rightSound, {
					reverbTime: 3.5
				}); // simulate very long reverb (if plugin supports param)
				rightSound.play();
			} else {
				LK.getSound('drum_tap_right').play();
			}
		} else if (self.drumType === 'sit') {
			var sitSound = LK.getSound('drum_tap_sit');
			sitSound.play();
			LK.setTimeout(function () {
				sitSound.play();
			}, 120);
		} else if (self.drumType === 'stand') {
			// Play the sound with 3 fast delay effects (echoes)
			var base = LK.getSound('drum_tap_stand');
			base.play();
			LK.setTimeout(function () {
				base.play();
			}, 45);
			LK.setTimeout(function () {
				base.play();
			}, 90);
		} else {
			// No fallback sound
		}
		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 * 1.5,
		headW = 120 * 1.5;
	var bodyH = 200 * 1.5,
		bodyW = 80 * 1.5;
	var upperArmH = 100 * 1.5,
		upperArmW = 40 * 1.5;
	var lowerArmH = 90 * 1.5,
		lowerArmW = 32 * 1.5;
	var upperLegH = 120 * 1.5,
		upperLegW = 48 * 1.5;
	var lowerLegH = 110 * 1.5,
		lowerLegW = 40 * 1.5;
	// --- Create body parts ---
	// Head
	var head = self.attachAsset('puppet_head', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Neck (between head and body, sized to match hip)
	var neck = self.attachAsset('puppet_neck', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		// match hip scale
		scaleY: 1.5
	});
	// Shoulders (left and right)
	var lShoulder = self.attachAsset('puppet_shoulder', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	var rShoulder = self.attachAsset('puppet_shoulder', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Body
	var body = self.attachAsset('puppet_body', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Dual hips (left and right)
	var lHip = self.attachAsset('puppet_hip', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	var rHip = self.attachAsset('puppet_hip', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Left upper arm
	var lUpperArm = self.attachAsset('puppet_upperarm', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Left elbow
	var lElbow = self.attachAsset('puppet_elbow', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Left lower arm
	var lLowerArm = self.attachAsset('puppet_lowerarm', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Right upper arm
	var rUpperArm = self.attachAsset('puppet_upperarm', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Right elbow
	var rElbow = self.attachAsset('puppet_elbow', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Right lower arm
	var rLowerArm = self.attachAsset('puppet_lowerarm', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Left upper leg
	var lUpperLeg = self.attachAsset('puppet_upperleg', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Left knee
	var lKnee = self.attachAsset('puppet_knee', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Left lower leg
	var lLowerLeg = self.attachAsset('puppet_lowerleg', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Right upper leg
	var rUpperLeg = self.attachAsset('puppet_upperleg', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Right knee
	var rKnee = self.attachAsset('puppet_knee', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Right lower leg
	var rLowerLeg = self.attachAsset('puppet_lowerleg', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// --- 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,
		// --- Ava: Leg rotation controls ---
		lUpperLegRotation: 0,
		// additional rotation for left upper leg
		rUpperLegRotation: 0,
		// additional rotation for right upper leg
		lLowerLegRotation: 0,
		// additional rotation for left lower leg
		rLowerLegRotation: 0 // additional rotation for right lower leg
	};
	// --- Positioning offsets (relative to puppet center) ---
	function updateBodyParts() {
		// Head
		head.x = 0;
		// Move head higher above the neck for a more natural look (was +10, now -30 for more separation)
		head.y = -bodyH / 2 - headH / 2 - 30;
		head.rotation = self.state.headAngle;
		// Neck: place between head and body, sized to match hip
		// Use hip asset size for neck size/placement
		var hipH = 44 * 1.5; // puppet_hip height * scale
		var neckH = hipH;
		neck.x = 0;
		neck.y = -bodyH / 2 - neckH / 2 + 38; // 38 is a small offset to visually connect neck, adjust as needed
		neck.rotation = 0;
		// Body
		body.x = 0;
		body.y = -bodyH / 2;
		// Arms
		var armY = -bodyH / 2 + 30;
		var armX = bodyW / 2 + upperArmW / 2 - 10;
		// Shoulder positions
		var lShoulderX = -armX;
		var lShoulderY = armY;
		var rShoulderX = armX;
		var rShoulderY = armY;
		// Place shoulder assets at shoulder positions
		lShoulder.x = lShoulderX;
		lShoulder.y = lShoulderY;
		rShoulder.x = rShoulderX;
		rShoulder.y = rShoulderY;
		// --- Improved arm kinematics ---
		// Default arm pose angles (arms down, but slightly outward)
		var armAbduction = 0.32; // outward angle in radians (~18deg)
		var lUpperArmAngle = -armAbduction; // left arm slightly outward
		var rUpperArmAngle = armAbduction; // right arm slightly outward
		var lLowerArmAngle = 0; // straight
		var rLowerArmAngle = 0; // straight
		// Pose-based arm animation
		if (self.state.pose === 'sit') {
			lUpperArmAngle = -1.25 - armAbduction;
			rUpperArmAngle = 1.25 + armAbduction;
			lLowerArmAngle = 1.5;
			rLowerArmAngle = -1.5;
		} else if (self.state.pose === 'jump') {
			// In jump pose, upper arms are raised up and slightly outward
			lUpperArmAngle = -1.6 - armAbduction; // sol üst kol yukarı ve dışa
			rUpperArmAngle = 1.6 + armAbduction; // sağ üst kol yukarı ve dışa
			lLowerArmAngle = 2.0;
			rLowerArmAngle = -2.0;
			// --- Maintain shoulder-elbow connection in jump pose ---
			var lElbowX = lUpperArm.x + Math.sin(lUpperArmAngle) * upperArmH;
			var lElbowY = lUpperArm.y + Math.cos(lUpperArmAngle) * upperArmH;
			lElbow.x = lElbowX;
			lElbow.y = lElbowY;
			var rElbowX = rUpperArm.x + Math.sin(rUpperArmAngle) * upperArmH;
			var rElbowY = rUpperArm.y + Math.cos(rUpperArmAngle) * upperArmH;
			rElbow.x = rElbowX;
			rElbow.y = rElbowY;
		} else if (self.state.pose === 'stand') {
			// Gentle swing based on horizontal velocity for more life
			lUpperArmAngle += self.state.vx * 0.01;
			rUpperArmAngle -= self.state.vx * 0.01;
			lLowerArmAngle += Math.sin(Date.now() * 0.003) * 0.08;
			rLowerArmAngle -= Math.sin(Date.now() * 0.003) * 0.08;
		} else if (self.state.pose === 'left') {
			// Open both arms to the left and right using IK
			lUpperArmAngle = -Math.PI / 2; // left arm straight left
			rUpperArmAngle = Math.PI / 2; // right arm straight right
			lLowerArmAngle = 0;
			rLowerArmAngle = 0;
			// Place elbows at the end of upper arms
			var lElbowX = lUpperArm.x + Math.sin(lUpperArmAngle) * upperArmH;
			var lElbowY = lUpperArm.y + Math.cos(lUpperArmAngle) * upperArmH;
			lElbow.x = lElbowX;
			lElbow.y = lElbowY;
			var rElbowX = rUpperArm.x + Math.sin(rUpperArmAngle) * upperArmH;
			var rElbowY = rUpperArm.y + Math.cos(rUpperArmAngle) * upperArmH;
			rElbow.x = rElbowX;
			rElbow.y = rElbowY;
		} else if (self.state.pose === 'right') {
			// Open both arms to the left and right using IK
			lUpperArmAngle = -Math.PI / 2; // left arm straight left
			rUpperArmAngle = Math.PI / 2; // right arm straight right
			lLowerArmAngle = 0;
			rLowerArmAngle = 0;
			// Place elbows at the end of upper arms
			var lElbowX = lUpperArm.x + Math.sin(lUpperArmAngle) * upperArmH;
			var lElbowY = lUpperArm.y + Math.cos(lUpperArmAngle) * upperArmH;
			lElbow.x = lElbowX;
			lElbow.y = lElbowY;
			var rElbowX = rUpperArm.x + Math.sin(rUpperArmAngle) * upperArmH;
			var rElbowY = rUpperArm.y + Math.cos(rUpperArmAngle) * upperArmH;
			rElbow.x = rElbowX;
			rElbow.y = rElbowY;
		}
		// Left upper arm: connect from shoulder to elbow
		lUpperArm.x = lShoulderX;
		lUpperArm.y = lShoulderY;
		lUpperArm.rotation = Math.atan2(
		// target: elbow - shoulder
		lElbow.y - lShoulderY, lElbow.x - lShoulderX) - Math.PI / 2;
		var lElbowX = lUpperArm.x + Math.sin(lUpperArmAngle) * upperArmH;
		var lElbowY = lUpperArm.y + Math.cos(lUpperArmAngle) * upperArmH;
		lElbow.x = lElbowX;
		lElbow.y = lElbowY;
		// Left lower arm
		lLowerArm.x = lElbowX;
		lLowerArm.y = lElbowY;
		lLowerArm.rotation = lLowerArmAngle;
		// Right upper arm: connect from shoulder to elbow
		rUpperArm.x = rShoulderX;
		rUpperArm.y = rShoulderY;
		rUpperArm.rotation = Math.atan2(
		// target: elbow - shoulder
		rElbow.y - rShoulderY, rElbow.x - rShoulderX) - Math.PI / 2;
		var rElbowX = rUpperArm.x + Math.sin(rUpperArmAngle) * upperArmH;
		var rElbowY = rUpperArm.y + Math.cos(rUpperArmAngle) * upperArmH;
		rElbow.x = rElbowX;
		rElbow.y = rElbowY;
		// Right lower arm
		rLowerArm.x = rElbowX;
		rLowerArm.y = rElbowY;
		rLowerArm.rotation = rLowerArmAngle;
		// --- Improved leg kinematics ---
		var legY = bodyH / 2 - 10;
		var legX = bodyW / 2 - 18;
		// Hip positions (left and right)
		var lHipX = -legX;
		var lHipY = legY;
		var rHipX = legX;
		var rHipY = legY;
		lHip.x = lHipX;
		lHip.y = lHipY;
		rHip.x = rHipX;
		rHip.y = rHipY;
		// Default leg pose (narrower stance)
		var legAbduction = 0.28; // outward angle in radians (~16deg), reduced for a more closed stance
		var lUpperLegAngle = legAbduction + (self.state.lUpperLegRotation || 0);
		var rUpperLegAngle = -legAbduction + (self.state.rUpperLegRotation || 0);
		var lLowerLegAngle = 0.25 + (self.state.lLowerLegRotation || 0);
		var rLowerLegAngle = -0.25 + (self.state.rLowerLegRotation || 0);
		// Pose-based leg animation
		if (self.state.pose === 'sit') {
			lUpperLegAngle = 1.35 + (self.state.lUpperLegRotation || 0);
			rUpperLegAngle = 1.35 + (self.state.rUpperLegRotation || 0);
			lLowerLegAngle = lUpperLegAngle - Math.PI / 2 + 0.15 + (self.state.lLowerLegRotation || 0);
			rLowerLegAngle = rUpperLegAngle - Math.PI / 2 - 0.15 + (self.state.rLowerLegRotation || 0);
		} else if (self.state.pose === 'jump') {
			// In jump pose, upper legs are raised up and slightly outward
			lUpperLegAngle = -0.9 - legAbduction + (self.state.lUpperLegRotation || 0); // sol üst bacak yukarı ve dışa
			rUpperLegAngle = 0.9 + legAbduction + (self.state.rUpperLegRotation || 0); // sağ üst bacak yukarı ve dışa
			lLowerLegAngle = lUpperLegAngle + 2.1 + (self.state.lLowerLegRotation || 0);
			rLowerLegAngle = rUpperLegAngle + 2.1 + (self.state.rLowerLegRotation || 0);
		} else if (self.state.pose === 'stand') {
			// Gentle walk cycle if moving
			var walk = Math.abs(self.state.vx) > 0.5 ? Math.sin(Date.now() * 0.008) * 0.25 : 0;
			lUpperLegAngle += walk;
			rUpperLegAngle -= walk;
			lLowerLegAngle += walk * 0.5;
			rLowerLegAngle -= walk * 0.5;
		}
		// Left upper leg: connect from right hip to left knee (swapped knees)
		lUpperLeg.x = rHip.x;
		lUpperLeg.y = rHip.y;
		// Calculate left knee position (swapped)
		var lKneeX = lUpperLeg.x + Math.sin(lUpperLegAngle) * upperLegH;
		var lKneeY = lUpperLeg.y + Math.cos(lUpperLegAngle) * upperLegH;
		lKnee.x = lKneeX;
		lKnee.y = lKneeY;
		lUpperLeg.rotation = Math.atan2(lKnee.y - lUpperLeg.y, lKnee.x - lUpperLeg.x) - Math.PI / 2;
		// Attach left lower leg at left knee, keep it connected
		lLowerLeg.x = lKneeX;
		lLowerLeg.y = lKneeY;
		lLowerLeg.rotation = lLowerLegAngle;
		// Right upper leg: connect from left hip to right knee (swapped knees)
		rUpperLeg.x = lHip.x;
		rUpperLeg.y = lHip.y;
		// Calculate right knee position (swapped)
		var rKneeX = rUpperLeg.x + Math.sin(rUpperLegAngle) * upperLegH;
		var rKneeY = rUpperLeg.y + Math.cos(rUpperLegAngle) * upperLegH;
		rKnee.x = rKneeX;
		rKnee.y = rKneeY;
		rUpperLeg.rotation = Math.atan2(rKnee.y - rUpperLeg.y, rKnee.x - rUpperLeg.x) - Math.PI / 2;
		// Attach right lower leg at right knee, keep it connected
		rLowerLeg.x = rKneeX;
		rLowerLeg.y = rKneeY;
		rLowerLeg.rotation = rLowerLegAngle;
		// Pose adjustments
		if (self.state.pose === 'sit') {
			// Sitting: both thighs forward, knees bent, knees together, shins down, using IK
			// Both upper legs start from hips and point forward, knees together in the middle
			// Calculate a common knee position between the two hips for "knees together"
			var hipsMidX = (lHip.x + rHip.x) / 2;
			var hipsMidY = (lHip.y + rHip.y) / 2;
			// Angle for thighs: forward (down), slightly inward
			var thighAngle = 1.32;
			// Distance from hip to knee
			var kneeOffsetX = Math.sin(thighAngle) * upperLegH;
			var kneeOffsetY = Math.cos(thighAngle) * upperLegH;
			// Both knees at the same position (knees together)
			var kneeX = hipsMidX + kneeOffsetX;
			var kneeY = hipsMidY + kneeOffsetY;
			// Left upper leg: right hip to common knee
			lUpperLeg.x = rHip.x;
			lUpperLeg.y = rHip.y;
			lUpperLeg.rotation = Math.atan2(kneeY - lUpperLeg.y, kneeX - lUpperLeg.x) - Math.PI / 2;
			lKnee.x = kneeX;
			lKnee.y = kneeY;
			// Left lower leg: from knee, bent downward
			lLowerLeg.x = kneeX;
			lLowerLeg.y = kneeY;
			lLowerLeg.rotation = lUpperLeg.rotation - Math.PI / 2 + 0.18;
			// Right upper leg: left hip to common knee
			rUpperLeg.x = lHip.x;
			rUpperLeg.y = lHip.y;
			rUpperLeg.rotation = Math.atan2(kneeY - rUpperLeg.y, kneeX - rUpperLeg.x) - Math.PI / 2;
			rKnee.x = kneeX;
			rKnee.y = kneeY;
			// Right lower leg: from knee, bent downward
			rLowerLeg.x = kneeX;
			rLowerLeg.y = kneeY;
			rLowerLeg.rotation = rUpperLeg.rotation - Math.PI / 2 - 0.18;
			body.rotation = -0.18;
		} else if (self.state.pose === 'jump') {
			// Jump: both legs bend at the knees, knees close together, feet up, using IK
			// --- Left leg (right hip to left knee) ---
			lUpperLeg.x = rHip.x;
			lUpperLeg.y = rHip.y;
			// Both upper legs point downward but slightly inward for knees-together
			lUpperLeg.rotation = -0.45 - legAbduction; // up and slightly inward
			var lKneeX = lUpperLeg.x + Math.sin(lUpperLeg.rotation) * upperLegH;
			var lKneeY = lUpperLeg.y + Math.cos(lUpperLeg.rotation) * upperLegH;
			lKnee.x = lKneeX;
			lKnee.y = lKneeY;
			// Lower leg bends sharply upward, keeping connected at knee
			lLowerLeg.x = lKnee.x;
			lLowerLeg.y = lKnee.y;
			lLowerLeg.rotation = lUpperLeg.rotation + 2.5; // sharp bend
			// --- Right leg (left hip to right knee) ---
			rUpperLeg.x = lHip.x;
			rUpperLeg.y = lHip.y;
			rUpperLeg.rotation = 0.45 + legAbduction; // up and slightly inward
			var rKneeX = rUpperLeg.x + Math.sin(rUpperLeg.rotation) * upperLegH;
			var rKneeY = rUpperLeg.y + Math.cos(rUpperLeg.rotation) * upperLegH;
			rKnee.x = rKneeX;
			rKnee.y = rKneeY;
			rLowerLeg.x = rKneeX;
			rLowerLeg.y = rKneeY;
			rLowerLeg.rotation = rUpperLeg.rotation + 2.5; // sharp bend
			// Elbows more bent in jump
			lLowerArm.x = lElbow.x;
			lLowerArm.y = lElbow.y;
			lLowerArm.rotation = 2.0;
			rLowerArm.x = rElbow.x;
			rLowerArm.y = rElbow.y;
			rLowerArm.rotation = -2.0;
			body.rotation = 0.12;
		} 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 = -48; // Increased jump velocity for higher jump
			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;
		// --- Ava: Adjust puppet Y so feet are above ground visually ---
		// The puppet's feet are at y + (bodyH/2) + upperLegH + lowerLegH - 10 - 10
		// ground.y = 2732 - 80, ground height = 80
		// So, puppet.y + (bodyH/2) + upperLegH + lowerLegH - 20 = 2732 - 80
		// puppet.y = 2732 - 80 - (bodyH/2) - upperLegH - lowerLegH + 20
		var puppetFeetOffset = bodyH / 2 + upperLegH + lowerLegH - 20;
		var puppetGroundY = 2732 - 80 - puppetFeetOffset;
		if (self.state.y > puppetGroundY) self.state.y = puppetGroundY; // above ground
		// Ground collision
		if (self.state.y >= puppetGroundY) {
			self.state.y = puppetGroundY;
			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 = 600; // Moved puppet further right (was 180)
	// --- Ava: Set initial Y so feet are above ground visually ---
	var puppetFeetOffset = bodyH / 2 + upperLegH + lowerLegH - 20;
	self.state.y = 2732 - 80 - puppetFeetOffset;
	updateBodyParts();
	return self;
});

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

/**** 
* Game Code
****/ 
// Define and initialize the reverb object before using it
// Win/lose sound
// Drum tap sound
// Finish sign
// Ground
// Drums
// Puppet body parts (shapes)
// --- World setup ---
// Apply reverb to all drum and win/lose sounds
// Ava: background asset
var reverb = {
	add: function add(sound) {
		// Dummy implementation: does nothing, but prevents errors
		// In a real environment, this would apply a reverb effect to the sound
	}
};
reverb.add(LK.getSound('drum_tap_center'));
reverb.add(LK.getSound('drum_tap_left'));
reverb.add(LK.getSound('drum_tap_right'));
reverb.add(LK.getSound('drum_tap_sit'));
reverb.add(LK.getSound('drum_tap_stand'));
reverb.add(LK.getSound('lose'));
reverb.add(LK.getSound('win'));
// --- Background music playlist (4 tracks, play in random order) ---
var musicTracks = [{
	id: 'musicId',
	volume: 0.1,
	start: 0,
	end: 1
}, {
	id: 'musicId2',
	volume: 0.1,
	start: 0,
	end: 1
}, {
	id: 'musicId3',
	volume: 0.1,
	start: 0,
	end: 1
}, {
	id: 'musicId4',
	volume: 0.1,
	start: 0,
	end: 1
}];
// Shuffle helper (Fisher-Yates)
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;
	}
}
// Maintain a shuffled playlist order
var shuffledMusicOrder = [];
function reshuffleMusicOrder() {
	shuffledMusicOrder = [];
	for (var i = 0; i < musicTracks.length; ++i) shuffledMusicOrder.push(i);
	shuffleArray(shuffledMusicOrder);
}
reshuffleMusicOrder();
var currentMusicOrderIndex = 0;
// Play the next music track in the shuffled order, and keep playing forever
function playNextMusic() {
	// If we've played all, reshuffle for a new random order
	if (currentMusicOrderIndex >= shuffledMusicOrder.length) {
		reshuffleMusicOrder();
		currentMusicOrderIndex = 0;
	}
	var trackIndex = shuffledMusicOrder[currentMusicOrderIndex];
	var track = musicTracks[trackIndex];
	// Play music and set up onFinish to play the next one
	LK.playMusic(track.id, {
		loop: false,
		volume: track.volume,
		start: track.start,
		end: track.end,
		onFinish: function onFinish() {
			currentMusicOrderIndex++;
			playNextMusic();
		}
	});
}
playNextMusic();
game.setBackgroundColor(0x000000);
// --- Background ---
// Ava: Add background image behind all elements
var background = LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	scaleX: 1,
	scaleY: 1
});
game.addChild(background);
// 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,
	scaleX: 3,
	scaleY: 6 // 2x as tall as before
});
finishSign.x = 2048 - 120;
finishSign.y = 2732 - 80;
game.addChild(finishSign);
// Finish text removed
// --- Puppet ---
var puppet = new Puppet();
game.addChild(puppet);
// --- Drums ---
var drums = [];
// Drum positions (relative to center)
// Move drums higher: set drumCenterY above puppet's head
var drumCenterX = 2048 / 2,
	drumCenterY = 900; // was 2732 / 2 + 220, now much higher (puppet head is around y=~1200)
var drumRadius = 220 * 3;
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
}];
// --- Drum action pool ---
// Each drum will have all actions, only their order will be shuffled
// Ava: Increase the number of right movement actions (pullHeadRight) in the action pool
var puppetActions = [function () {
	puppet.pullHeadLeft();
}, function () {
	puppet.pullHeadRight();
}, function () {
	puppet.pullHeadRight();
}, function () {
	puppet.jump();
}, function () {
	puppet.sit();
}, function () {
	puppet.stand();
}];
// Large center drum (fixed action sequence)
var drumJump = new Drum();
drumJump.setDrum('large');
drumJump.x = drumCenterX;
drumJump.y = drumCenterY;
// Assign a fixed sequence of all 5 actions, and cycle through them
drumJump._actionSequence = 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);
// 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 fixed sequence of all 5 actions, and cycles through them
	d._actionSequence = 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;
function formatTimeDigital(secs) {
	var m = Math.floor(secs / 60);
	var s = secs % 60;
	var mm = m < 10 ? "0" + m : "" + m;
	var ss = s < 10 ? "0" + s : "" + s;
	return mm + ":" + ss;
}
var timerText = new Text2(formatTimeDigital(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(formatTimeDigital(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 body collides with finish sign using intersects
	if (!gameEnded && puppet.intersects(finishSign)) {
		gameEnded = true;
		LK.setScore(timeLeft); // Set score to remaining seconds
		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
@@ -324,8 +324,38 @@
 			lUpperArmAngle += self.state.vx * 0.01;
 			rUpperArmAngle -= self.state.vx * 0.01;
 			lLowerArmAngle += Math.sin(Date.now() * 0.003) * 0.08;
 			rLowerArmAngle -= Math.sin(Date.now() * 0.003) * 0.08;
+		} else if (self.state.pose === 'left') {
+			// Open both arms to the left and right using IK
+			lUpperArmAngle = -Math.PI / 2; // left arm straight left
+			rUpperArmAngle = Math.PI / 2; // right arm straight right
+			lLowerArmAngle = 0;
+			rLowerArmAngle = 0;
+			// Place elbows at the end of upper arms
+			var lElbowX = lUpperArm.x + Math.sin(lUpperArmAngle) * upperArmH;
+			var lElbowY = lUpperArm.y + Math.cos(lUpperArmAngle) * upperArmH;
+			lElbow.x = lElbowX;
+			lElbow.y = lElbowY;
+			var rElbowX = rUpperArm.x + Math.sin(rUpperArmAngle) * upperArmH;
+			var rElbowY = rUpperArm.y + Math.cos(rUpperArmAngle) * upperArmH;
+			rElbow.x = rElbowX;
+			rElbow.y = rElbowY;
+		} else if (self.state.pose === 'right') {
+			// Open both arms to the left and right using IK
+			lUpperArmAngle = -Math.PI / 2; // left arm straight left
+			rUpperArmAngle = Math.PI / 2; // right arm straight right
+			lLowerArmAngle = 0;
+			rLowerArmAngle = 0;
+			// Place elbows at the end of upper arms
+			var lElbowX = lUpperArm.x + Math.sin(lUpperArmAngle) * upperArmH;
+			var lElbowY = lUpperArm.y + Math.cos(lUpperArmAngle) * upperArmH;
+			lElbow.x = lElbowX;
+			lElbow.y = lElbowY;
+			var rElbowX = rUpperArm.x + Math.sin(rUpperArmAngle) * upperArmH;
+			var rElbowY = rUpperArm.y + Math.cos(rUpperArmAngle) * upperArmH;
+			rElbow.x = rElbowX;
+			rElbow.y = rElbowY;
 		}
 		// Left upper arm: connect from shoulder to elbow
 		lUpperArm.x = lShoulderX;
 		lUpperArm.y = lShoulderY;
@@ -608,18 +638,18 @@
 
 /**** 
 * Game Code
 ****/ 
-// Ava: background asset
-// Apply reverb to all drum and win/lose sounds
-// --- World setup ---
-// Puppet body parts (shapes)
-// Drums
-// Ground
-// Finish sign
-// Drum tap sound
-// Win/lose sound
 // Define and initialize the reverb object before using it
+// Win/lose sound
+// Drum tap sound
+// Finish sign
+// Ground
+// Drums
+// Puppet body parts (shapes)
+// --- World setup ---
+// Apply reverb to all drum and win/lose sounds
+// Ava: background asset
 var reverb = {
 	add: function add(sound) {
 		// Dummy implementation: does nothing, but prevents errors
 		// In a real environment, this would apply a reverb effect to the sound