OnUpdate.js

var models;
var head;
var time;
var i;

if(models == undefined)
{
	models = []
	
	head = Model();
	head.texture = "/mob/sheep.png";
	head.addBox("section", -3, -3, 0, 6, 6, 8, 0, 0);
	models.push(head);
	head.setPosition(-64, 45, -100);
	
	var prevModel = head;
	
	for(i=0; i<32; i++)
	{
		var newModel = Model();
		newModel.texture = "/mob/sheep_fur.png";
		newModel.addBox("section", -3, -3, -6, 6, 6, 6, 0, 0);
		newModel.modelAttachment = prevModel;
		models.push(newModel);
		prevModel = newModel;
		if(i>0)
		{
			newModel.setPosition(0, 0, -6/16);
		}
	}
}

if(time == undefined)
{
	time = 0;
}

for(i=0; i<models.length; i++)
{
	angle = 7*Math.sin(time+i/3)*i/7;
	models[i].rotateTo(angle, 0, 0);
}
head.moveBy(0, 0, 0.05);
time += 0.05;