/**** 
* 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 lower leg
	var lLowerLeg = self.attachAsset('puppet_lowerleg', {
		anchorX: 0.5,
		anchorY: 0,
		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
	});
	// 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
	});
	// 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
	});
	// --- 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;
		head.y = -bodyH / 2 - headH / 2 - 30;
		head.rotation = self.state.headAngle;
		// Neck
		var hipH = 44 * 1.5;
		var neckH = hipH;
		neck.x = 0;
		neck.y = -bodyH / 2 - neckH / 2 + 38;
		neck.rotation = 0;
		// Body
		body.x = 0;
		body.y = -bodyH / 2;
		// --- Symmetric Arms ---
		var armY = -bodyH / 2 + 30;
		var armX = bodyW / 2 + upperArmW / 2 - 10;
		// Shoulders
		var lShoulderX = -armX;
		var lShoulderY = armY;
		var rShoulderX = armX;
		var rShoulderY = armY;
		lShoulder.x = lShoulderX;
		lShoulder.y = lShoulderY;
		rShoulder.x = rShoulderX;
		rShoulder.y = rShoulderY;
		// Default symmetric arm pose
		var armAbduction = 0.32;
		var baseUpperArmAngle = 0.0;
		var baseLowerArmAngle = 0.0;
		var lUpperArmAngle = -armAbduction + baseUpperArmAngle;
		var rUpperArmAngle = armAbduction + baseUpperArmAngle;
		var lLowerArmAngle = baseLowerArmAngle;
		var rLowerArmAngle = baseLowerArmAngle;
		// Symmetric 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') {
			lUpperArmAngle = -1.6 - armAbduction;
			rUpperArmAngle = 1.6 + armAbduction;
			lLowerArmAngle = 2.0;
			rLowerArmAngle = -2.0;
		} else if (self.state.pose === 'stand') {
			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;
		}
		// Left arm
		lUpperArm.x = lShoulderX;
		lUpperArm.y = lShoulderY;
		var lElbowX = lUpperArm.x + Math.sin(lUpperArmAngle) * upperArmH;
		var lElbowY = lUpperArm.y + Math.cos(lUpperArmAngle) * upperArmH;
		lElbow.x = lElbowX;
		lElbow.y = lElbowY;
		lUpperArm.rotation = Math.atan2(lElbow.y - lUpperArm.y, lElbow.x - lUpperArm.x) - Math.PI / 2;
		lLowerArm.x = lElbowX;
		lLowerArm.y = lElbowY;
		lLowerArm.rotation = lLowerArmAngle;
		// Right arm (mirror of left)
		rUpperArm.x = rShoulderX;
		rUpperArm.y = rShoulderY;
		var rElbowX = rUpperArm.x + Math.sin(rUpperArmAngle) * upperArmH;
		var rElbowY = rUpperArm.y + Math.cos(rUpperArmAngle) * upperArmH;
		rElbow.x = rElbowX;
		rElbow.y = rElbowY;
		rUpperArm.rotation = Math.atan2(rElbow.y - rUpperArm.y, rElbow.x - rUpperArm.x) - Math.PI / 2;
		rLowerArm.x = rElbowX;
		rLowerArm.y = rElbowY;
		rLowerArm.rotation = rLowerArmAngle;
		// --- Symmetric Legs ---
		var legY = bodyH / 2 - 10;
		var legX = bodyW / 2 - 18;
		// Hips
		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 symmetric leg pose
		var legAbduction = 0.28;
		var lowerLegOutAngle = 0.38;
		var lUpperLegAngle = legAbduction + (self.state.lUpperLegRotation || 0);
		var rUpperLegAngle = -legAbduction + (self.state.rUpperLegRotation || 0);
		var lLowerLegAngle = lowerLegOutAngle + (self.state.lLowerLegRotation || 0);
		var rLowerLegAngle = -lowerLegOutAngle + (self.state.rLowerLegRotation || 0);
		// Symmetric pose-based leg animation
		if (self.state.pose === 'sit') {
			// Cross-legged (bağdaş) pose
			// Hips
			// Move hips slightly closer for a more natural cross-legged look
			var hipsMidX = (lHip.x + rHip.x) / 2;
			var hipsMidY = (lHip.y + rHip.y) / 2 + 18;
			// Cross-legged: knees cross in front of body, ankles under opposite knee
			var crossKneeSpread = 60; // horizontal distance from center for knees
			var crossKneeForward = 80; // forward (down) distance for knees
			var crossAnkleSpread = 90; // horizontal distance from center for ankles
			var crossAnkleForward = 170; // forward (down) distance for ankles
			// Upper legs: hips to knees (open thighs outward for cross-legged look)
			var thighSpreadAngle = 0.55; // radians, how much to open thighs outward
			// Calculate upper leg bottom (knee) positions
			lUpperLeg.x = lHip.x;
			lUpperLeg.y = lHip.y;
			lUpperLeg.rotation = Math.atan2(Math.sin(thighSpreadAngle), Math.cos(thighSpreadAngle)) + Math.PI / 2;
			rUpperLeg.x = rHip.x;
			rUpperLeg.y = rHip.y;
			rUpperLeg.rotation = -Math.atan2(Math.sin(thighSpreadAngle), Math.cos(thighSpreadAngle)) - Math.PI / 2;
			// Find the bottom center of each upper leg (where knee should be)
			var lKneeAttachX = lUpperLeg.x + Math.sin(lUpperLeg.rotation + Math.PI / 2) * upperLegH;
			var lKneeAttachY = lUpperLeg.y + Math.cos(lUpperLeg.rotation + Math.PI / 2) * upperLegH;
			var rKneeAttachX = rUpperLeg.x + Math.sin(rUpperLeg.rotation + Math.PI / 2) * upperLegH;
			var rKneeAttachY = rUpperLeg.y + Math.cos(rUpperLeg.rotation + Math.PI / 2) * upperLegH;
			// Place knees at the exact midpoint of the bottom edge of the upper legs
			// --- Ava: Make knees at the same y position ---
			var avgKneeY = (lKneeAttachY + rKneeAttachY) / 2;
			var lKneeX = lKneeAttachX;
			var lKneeY = avgKneeY;
			var rKneeX = rKneeAttachX;
			var rKneeY = avgKneeY;
			// Knees (bring knees visually in front of upper/lower legs by setting z-order)
			// To ensure knees are drawn in front, remove and re-add them after legs
			if (lKnee.parent) lKnee.parent.removeChild(lKnee);
			if (rKnee.parent) rKnee.parent.removeChild(rKnee);
			// --- Connect knees to both upper and lower legs ---
			// Left knee: connect to left upper leg (top) and left lower leg (bottom)
			lKnee.x = lKneeX;
			lKnee.y = lKneeY;
			// Right knee: connect to right upper leg (top) and right lower leg (bottom)
			rKnee.x = rKneeX;
			rKnee.y = rKneeY;
			// Lower legs: knees to opposite ankles (crossed under)
			// --- Ava: Place lower leg bottom edges exactly on the ground ---
			// The lower leg is anchored at (0.5, 0), so its bottom is at y + Math.cos(rotation + PI/2) * lowerLegH_px
			var groundY = 2732 - 80;
			var lowerLegH_px = 110 * 1.5;
			// For each lower leg, solve for rotation so that the bottom edge is at groundY
			// Left lower leg
			lLowerLeg.x = lKnee.x;
			lLowerLeg.y = lKnee.y;
			// Find angle so that lLowerLeg.y + Math.cos(rotation + Math.PI/2) * lowerLegH_px = groundY
			// Solve for rotation:
			var lDeltaY = groundY - lLowerLeg.y;
			var lAngle = Math.acos(Math.max(-1, Math.min(1, lDeltaY / lowerLegH_px))) - Math.PI / 2;
			// If the knee is to the right of the hip center, flip the sign
			if (lKnee.x < (lHip.x + rHip.x) / 2) lAngle = -lAngle;
			lLowerLeg.rotation = lAngle;
			// Right lower leg
			rLowerLeg.x = rKnee.x;
			rLowerLeg.y = rKnee.y;
			var rDeltaY = groundY - rLowerLeg.y;
			var rAngle = Math.acos(Math.max(-1, Math.min(1, rDeltaY / lowerLegH_px))) - Math.PI / 2;
			if (rKnee.x > (lHip.x + rHip.x) / 2) rAngle = -rAngle;
			rLowerLeg.rotation = rAngle;
			// Now set knee positions and re-add to ensure they are on top
			self.addChild(lKnee);
			self.addChild(rKnee);
			body.rotation = 0;
		} else if (self.state.pose === 'jump') {
			// Both upper legs up and slightly inward, knees together, feet up, using IK
			// --- Keep knees and upper legs connected in jump pose ---
			// --- Make both legs perfectly horizontally aligned in jump pose ---
			var jumpThighAngle = 0.45;
			var jumpKneeBend = 1.25; // radians, how much the knee is bent (smaller = straighter, larger = more bent)
			// Set both hips at same y, and both knees at same y, for perfect horizontal alignment
			// Calculate the average x between hips for knee position, and set a fixed y offset for knees
			var avgHipY = (lHip.y + rHip.y) / 2;
			var avgHipX = (lHip.x + rHip.x) / 2;
			var kneeYOffset = -upperLegH * Math.cos(jumpThighAngle); // vertical offset from hips to knees
			var kneeY = avgHipY + kneeYOffset;
			var kneeXLeft = lHip.x + Math.sin(-jumpThighAngle - legAbduction) * upperLegH;
			var kneeXRight = rHip.x + Math.sin(jumpThighAngle + legAbduction) * upperLegH;
			// Both knees at same y
			lKnee.x = kneeXLeft;
			lKnee.y = kneeY;
			rKnee.x = kneeXRight;
			rKnee.y = kneeY;
			// Upper legs: hips to knees
			lUpperLeg.x = lHip.x;
			lUpperLeg.y = lHip.y;
			lUpperLeg.rotation = Math.atan2(lKnee.y - lUpperLeg.y, lKnee.x - lUpperLeg.x) - Math.PI / 2;
			rUpperLeg.x = rHip.x;
			rUpperLeg.y = rHip.y;
			rUpperLeg.rotation = Math.atan2(rKnee.y - rUpperLeg.y, rKnee.x - rUpperLeg.x) - Math.PI / 2;
			// Lower legs: knees to ankles, both at same y
			// Left
			lLowerLeg.x = lKnee.x;
			lLowerLeg.y = lKnee.y;
			var lJumpShinLen = lowerLegH;
			var lJumpAnkleX = lKnee.x + Math.sin(lUpperLeg.rotation + Math.PI / 2 + jumpKneeBend) * lJumpShinLen;
			var lJumpAnkleY = lKnee.y + Math.cos(lUpperLeg.rotation + Math.PI / 2 + jumpKneeBend) * lJumpShinLen;
			lLowerLeg.rotation = Math.atan2(lJumpAnkleY - lKnee.y, lJumpAnkleX - lKnee.x) - Math.PI / 2;
			// Right
			rLowerLeg.x = rKnee.x;
			rLowerLeg.y = rKnee.y;
			var rJumpShinLen = lowerLegH;
			var rJumpAnkleX = rKnee.x + Math.sin(rUpperLeg.rotation + Math.PI / 2 + jumpKneeBend) * rJumpShinLen;
			var rJumpAnkleY = rKnee.y + Math.cos(rUpperLeg.rotation + Math.PI / 2 + jumpKneeBend) * rJumpShinLen;
			rLowerLeg.rotation = Math.atan2(rJumpAnkleY - rKnee.y, rJumpAnkleX - rKnee.x) - Math.PI / 2;
			// 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;
		} 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 leg
			lUpperLeg.x = lHip.x;
			lUpperLeg.y = lHip.y;
			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 to left knee
			lLowerLeg.x = lKneeX;
			lLowerLeg.y = lKneeY;
			// Calculate ankle position for left leg
			var lStandShinLen = lowerLegH;
			var lStandAnkleX = lKneeX + Math.sin(lLowerLegAngle) * lStandShinLen;
			var lStandAnkleY = lKneeY + Math.cos(lLowerLegAngle) * lStandShinLen;
			lLowerLeg.rotation = Math.atan2(lStandAnkleY - lKneeY, lStandAnkleX - lKneeX) - Math.PI / 2;
			// Right leg (mirror)
			rUpperLeg.x = rHip.x;
			rUpperLeg.y = rHip.y;
			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 to right knee
			rLowerLeg.x = rKneeX;
			rLowerLeg.y = rKneeY;
			// Calculate ankle position for right leg
			var rStandShinLen = lowerLegH;
			var rStandAnkleX = rKneeX + Math.sin(rLowerLegAngle) * rStandShinLen;
			var rStandAnkleY = rKneeY + Math.cos(rLowerLegAngle) * rStandShinLen;
			rLowerLeg.rotation = Math.atan2(rStandAnkleY - rKneeY, rStandAnkleX - rKneeX) - Math.PI / 2;
			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 () {
		// --- Physics update ---
		// TEST: Force puppet to always stay in sit pose for testing
		self.state.pose = 'sit';
		self.state.vy += 3.2; // gravity
		self.state.x += self.state.vx;
		self.state.y += self.state.vy;
		// Friction
		if (self.state.grounded) {
			self.state.vx *= 0.82;
		} else {
			self.state.vx *= 0.98;
		}
		// Clamp to world bounds
		if (self.state.x < 0) self.state.x = 0;
		if (self.state.x > 2048) self.state.x = 2048;
		// Ground collision
		var groundY = 2732 - 80;
		var puppetFeetOffset = bodyH / 2 + upperLegH + lowerLegH - 20;
		var feetY = self.state.y + puppetFeetOffset;
		if (feetY >= groundY) {
			self.state.y = groundY - puppetFeetOffset;
			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 (keep puppet at current position)
		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
@@ -399,38 +399,29 @@
 			rKnee.x = rKneeX;
 			rKnee.y = rKneeY;
 			// Lower legs: knees to opposite ankles (crossed under)
 			// --- Ava: Place lower leg bottom edges exactly on the ground ---
+			// The lower leg is anchored at (0.5, 0), so its bottom is at y + Math.cos(rotation + PI/2) * lowerLegH_px
 			var groundY = 2732 - 80;
 			var lowerLegH_px = 110 * 1.5;
-			var lLowerLegBottomY = groundY;
-			var rLowerLegBottomY = groundY;
-			// For each lower leg, solve for ankle position so that the bottom edge of the lower leg is at groundY
-			// The lower leg is anchored at (0.5, 0), so its bottom is at y + Math.cos(rotation + PI/2) * lowerLegH_px
-			// We'll solve for the ankle position so that this is true
+			// For each lower leg, solve for rotation so that the bottom edge is at groundY
 			// Left lower leg
-			var lKneeToAnkleLen = lowerLegH_px;
-			var lKneeX_to_ankle = hipsMidX - crossAnkleSpread;
-			var lKneeY_to_ankle = groundY - lKnee.y;
-			var lLowerLegAngle = Math.atan2(lKneeY_to_ankle, lKneeX_to_ankle - lKnee.x);
-			var lAnkleX = lKnee.x + Math.sin(lLowerLegAngle) * lKneeToAnkleLen;
-			var lAnkleY = lKnee.y + Math.cos(lLowerLegAngle) * lKneeToAnkleLen;
-			// But we want the bottom of the lower leg to be at groundY, so adjust
-			lAnkleY = groundY;
 			lLowerLeg.x = lKnee.x;
 			lLowerLeg.y = lKnee.y;
-			lLowerLeg.rotation = Math.atan2(lAnkleY - lKnee.y, lAnkleX - lKnee.x) - Math.PI / 2;
+			// Find angle so that lLowerLeg.y + Math.cos(rotation + Math.PI/2) * lowerLegH_px = groundY
+			// Solve for rotation:
+			var lDeltaY = groundY - lLowerLeg.y;
+			var lAngle = Math.acos(Math.max(-1, Math.min(1, lDeltaY / lowerLegH_px))) - Math.PI / 2;
+			// If the knee is to the right of the hip center, flip the sign
+			if (lKnee.x < (lHip.x + rHip.x) / 2) lAngle = -lAngle;
+			lLowerLeg.rotation = lAngle;
 			// Right lower leg
-			var rKneeToAnkleLen = lowerLegH_px;
-			var rKneeX_to_ankle = hipsMidX + crossAnkleSpread;
-			var rKneeY_to_ankle = groundY - rKnee.y;
-			var rLowerLegAngle = Math.atan2(rKneeY_to_ankle, rKneeX_to_ankle - rKnee.x);
-			var rAnkleX = rKnee.x + Math.sin(rLowerLegAngle) * rKneeToAnkleLen;
-			var rAnkleY = rKnee.y + Math.cos(rLowerLegAngle) * rKneeToAnkleLen;
-			rAnkleY = groundY;
 			rLowerLeg.x = rKnee.x;
 			rLowerLeg.y = rKnee.y;
-			rLowerLeg.rotation = Math.atan2(rAnkleY - rKnee.y, rAnkleX - rKnee.x) - Math.PI / 2;
+			var rDeltaY = groundY - rLowerLeg.y;
+			var rAngle = Math.acos(Math.max(-1, Math.min(1, rDeltaY / lowerLegH_px))) - Math.PI / 2;
+			if (rKnee.x > (lHip.x + rHip.x) / 2) rAngle = -rAngle;
+			rLowerLeg.rotation = rAngle;
 			// Now set knee positions and re-add to ensure they are on top
 			self.addChild(lKnee);
 			self.addChild(rKnee);
 			body.rotation = 0;