/**** 
* Classes
****/ 
// Assets will be automatically created based on usage in the code.
// Ball class for the basketball
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('basketball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedY = 0;
	self.gravity = 0.5;
	self.isShot = false;
	self.shoot = function (power, angle) {
		self.speedY = -power;
		self.isShot = true;
	};
	self.update = function () {
		if (self.isShot) {
			self.y += self.speedY;
			self.speedY += self.gravity;
		}
	};
	self.reset = function () {
		self.x = 1024; // Center X
		self.y = 2500; // Starting Y
		self.isShot = false;
		self.speedY = 0;
	};
});
// Hoop class for the basketball hoop
var Hoop = Container.expand(function () {
	var self = Container.call(this);
	var hoopGraphics = self.attachAsset('hoop', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.setPosition = function () {
		self.x = 1024; // Center X
		self.y = 500; // Hoop Y position
	};
});
// Player class for the player
var Player = Container.expand(function () {
	var self = Container.call(this);
	self.head = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 1
	});
	self.rightArm = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 1.5
	});
	self.rightHand = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.75,
		scaleY: 0.5
	});
	self.leftArm = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 1.5
	});
	self.leftHand = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.75,
		scaleY: 0.5
	});
	self.trunk = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 2.0
	});
	self.rightLeg = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 2
	});
	self.rightFoot = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.75,
		scaleY: 0.5
	});
	self.leftLeg = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 2
	});
	self.leftFoot = self.attachAsset('bodyPart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.75,
		scaleY: 0.5
	});
	self.setPosition = function (newPosition) {
		var speed = 1; // Speed of transition
		self.targetPosition = newPosition;
	};
});

/**** 
* Initialize Game
****/ 
// Player positions
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
var runningUp2 = {
	x: 1024,
	// Center X
	y: 2000,
	// Player Y position
	head: {
		x: 0,
		y: -160
	},
	rightArm: {
		x: 80,
		y: -130
	},
	rightHand: {
		x: 80,
		y: -230 // Hand at the top of the arm
	},
	leftArm: {
		x: -90,
		y: -100
	},
	leftHand: {
		x: -90,
		y: -200 // Hand at the top of the arm
	},
	trunk: {
		x: 0,
		y: 0
	},
	rightLeg: {
		x: -50,
		y: 150
	},
	rightFoot: {
		x: -60,
		y: 250
	},
	leftLeg: {
		x: 50,
		y: 100
	},
	leftFoot: {
		x: 60,
		y: 200
	}
};
var runningUp1 = {
	x: 1024,
	// Center X
	y: 2000,
	// Player Y position
	head: {
		x: 0,
		y: -160
	},
	rightArm: {
		x: 90,
		y: -100
	},
	rightHand: {
		x: 90,
		y: -200 // Hand at the top of the arm
	},
	leftArm: {
		x: -80,
		y: -130
	},
	leftHand: {
		x: -80,
		y: -230 // Hand at the top of the arm
	},
	trunk: {
		x: 0,
		y: 0
	},
	rightLeg: {
		x: 50,
		y: 100
	},
	rightFoot: {
		x: 60,
		y: 200
	},
	leftLeg: {
		x: -50,
		y: 150
	},
	leftFoot: {
		x: -60,
		y: 250
	}
};
// Player positions
Player.prototype.updatePosition = function () {
	var speed = 0.1; // Speed of transition
	if (!this.targetPosition) {
		return;
	}
	this.x += (this.targetPosition.x - this.x) * speed;
	this.y += (this.targetPosition.y - this.y) * speed;
	if (this.targetPosition && this.targetPosition.head) {
		this.head.x += (this.targetPosition.head.x - this.head.x) * speed;
	}
	this.head.y += (this.targetPosition.head.y - this.head.y) * speed;
	this.rightArm.x += (this.targetPosition.rightArm.x - this.rightArm.x) * speed;
	this.rightArm.y += (this.targetPosition.rightArm.y - this.rightArm.y) * speed;
	this.rightHand.x += (this.targetPosition.rightHand.x - this.rightHand.x) * speed;
	this.rightHand.y += (this.targetPosition.rightHand.y - this.rightHand.y) * speed;
	this.leftArm.x += (this.targetPosition.leftArm.x - this.leftArm.x) * speed;
	this.leftArm.y += (this.targetPosition.leftArm.y - this.leftArm.y) * speed;
	this.leftHand.x += (this.targetPosition.leftHand.x - this.leftHand.x) * speed;
	this.leftHand.y += (this.targetPosition.leftHand.y - this.leftHand.y) * speed;
	this.trunk.x += (this.targetPosition.trunk.x - this.trunk.x) * speed;
	this.trunk.y += (this.targetPosition.trunk.y - this.trunk.y) * speed;
	this.rightLeg.x += (this.targetPosition.rightLeg.x - this.rightLeg.x) * speed;
	this.rightLeg.y += (this.targetPosition.rightLeg.y - this.rightLeg.y) * speed;
	this.rightFoot.x += (this.targetPosition.rightFoot.x - this.rightFoot.x) * speed;
	this.rightFoot.y += (this.targetPosition.rightFoot.y - this.rightFoot.y) * speed;
	this.leftLeg.x += (this.targetPosition.leftLeg.x - this.leftLeg.x) * speed;
	this.leftLeg.y += (this.targetPosition.leftLeg.y - this.leftLeg.y) * speed;
	this.leftFoot.x += (this.targetPosition.leftFoot.x - this.leftFoot.x) * speed;
	this.leftFoot.y += (this.targetPosition.leftFoot.y - this.leftFoot.y) * speed;
};
var idlePosition = {
	x: 1024,
	// Center X
	y: 2000,
	// Player Y position
	head: {
		x: 0,
		y: -160
	},
	rightArm: {
		x: 110,
		y: -20
	},
	rightHand: {
		x: 125,
		y: 30
	},
	leftArm: {
		x: -110,
		y: -20
	},
	leftHand: {
		x: -120,
		y: 30
	},
	trunk: {
		x: 0,
		y: 0
	},
	rightLeg: {
		x: 37.5,
		y: 150
	},
	rightFoot: {
		x: 50,
		y: 250
	},
	leftLeg: {
		x: -37.5,
		y: 150
	},
	leftFoot: {
		x: -50,
		y: 250
	}
};
var throwingPosition = {
	x: 1024,
	// Center X
	y: 2000,
	// Player Y position
	head: {
		x: 0,
		y: -160
	},
	rightArm: {
		x: 100,
		y: -120
	},
	rightHand: {
		x: 100,
		// Set the right hand at the top of the right arm
		y: -220 // Set the right hand at the top of the right arm
	},
	leftArm: {
		x: -100,
		y: -120
	},
	leftHand: {
		x: -100,
		// Set the left hand at the top of the left arm
		y: -220 // Set the left hand at the top of the left arm
	},
	trunk: {
		x: 0,
		y: 0
	},
	rightLeg: {
		x: 37.5,
		y: 150
	},
	rightFoot: {
		x: 50,
		y: 250
	},
	leftLeg: {
		x: -37.5,
		y: 150
	},
	leftFoot: {
		x: -50,
		y: 250
	}
};
var player = game.addChild(new Player());
player.setPosition(idlePosition);
var ball = game.addChild(new Ball());
ball.reset();
var hoop = game.addChild(new Hoop());
hoop.setPosition();
var score = 0;
var scoreTxt = new Text2(score.toString(), {
	size: 150,
	fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt);
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	// Determine if the click is above or below the current player position to choose the running animation
	var newPosition = pos.y < player.y ? runningUp1 : runningUp2;
	player.setPosition(newPosition);
	// Set the target position for the player to run to
	player.targetPosition = {
		x: pos.x,
		y: pos.y
	};
});
var idle = true;
var changePositionTimer = LK.setInterval(function () {
	if (idle) {
		player.setPosition(throwingPosition);
		idle = false;
	} else {
		player.setPosition(idlePosition);
		idle = true;
	}
}, 1000);
LK.on('tick', function () {
	ball.update();
	player.updatePosition();
	// Check if ball intersects with hoop and is moving downwards
	if (ball.intersects(hoop) && ball.speedY > 0) {
		score += 1;
		scoreTxt.setText(score.toString());
		ball.reset();
	}
	// Reset ball if it goes off-screen
	if (ball.y > 2732) {
		ball.reset();
	}
});

===================================================================
--- original.js
+++ change.js
@@ -220,9 +220,11 @@
 		return;
 	}
 	this.x += (this.targetPosition.x - this.x) * speed;
 	this.y += (this.targetPosition.y - this.y) * speed;
-	this.head.x += (this.targetPosition.head.x - this.head.x) * speed;
+	if (this.targetPosition && this.targetPosition.head) {
+		this.head.x += (this.targetPosition.head.x - this.head.x) * speed;
+	}
 	this.head.y += (this.targetPosition.head.y - this.head.y) * speed;
 	this.rightArm.x += (this.targetPosition.rightArm.x - this.rightArm.x) * speed;
 	this.rightArm.y += (this.targetPosition.rightArm.y - this.rightArm.y) * speed;
 	this.rightHand.x += (this.targetPosition.rightHand.x - this.rightHand.x) * speed;