What is scala twirl

Twirl is play framework scala based template engine.
https://github.com/spray/twirl

How to write class in Scala

class Point(xc:Int, yc:Int){
 var x: Int = xc
 var y: Int = yc
 def move(dx:Int, dy:Int){
  x = x+ dx
  y = y+dy
 }
override def toString():String = "(" + x + "," + y + ")";
}