// Path Object
// Dynlayer addon object to move a layer in a specified coordinate path
// 19990326

// Copyright (C) 1999 Dan Steinman
// Distributed under the terms of the GNU Library General Public License
// Available at http://www.dansteinman.com/dynduo/

function Path(dynlayer,name,arrayX,arrayY) {
  this.dynlayer = dynlayer.obj
  this.name = name
  this.arrayX = arrayX
  this.arrayY = arrayY
  this.loop = false
  this.speed = 600
  this.fn = null
  this.play = PathPlay
  this.slide = PathSlide
  this.pause = PathPause
  this.stop = PathStop
}
function PathPlay(loop,speed,fn) {
  if (this.active) return
  this.loop = (loop)? loop : this.loop
  this.speed = (speed)? speed : this.speed
  this.fn = (fn)? fn : null
  if (!this.paused) this.i = 0
  this.active = true
  this.paused = false
  eval(this.dynlayer+"."+this.name+".slide()")
}
function PathSlide() {
  if (this.active && this.i < this.arrayX.length) {
    eval(this.dynlayer+".moveTo("+this.arrayX[this.i]+","+this.arrayY[this.i]+")")
    this.i += 1
    setTimeout(this.dynlayer+"."+this.name+".slide()",this.speed)
  }
  else if (!this.paused) {
    this.i = 0
    if (this.loop && this.active) setTimeout(this.dynlayer+"."+this.name+".slide()",this.speed)
    else {
      this.active = false
      eval(this.fn)
    }
  }
}
function PathPause() {
  if (this.active) {
    this.active = false
    this.paused = true
  }
}
function PathStop() {
  this.active = false
  this.paused = false
}