/*
DynAPI Distribution
Glide Animation Extension
The DynAPI Distribution is distributed under the terms of the GNU LGPL license.
requires: DynLayer, dynapi.functions.Math
*/
function Thread(dlyr) {
this.DynObject = DynObject;
this.DynObject();
if (dlyr) this.dlyr = dlyr;
else dlyr = this; // if no dynlayer passed it calls events onto itself
this._frame = 0;
this._path = null;
this.loop = false;
}
var p = dynapi.setPrototype('Thread','DynObject');
p.interval = 20;
p.sleep = function (ms) {
this.interval = Math.abs(parseInt(ms));
if (this._timer) this.start();
};
p._restart = function () { // starts, or restarts if necessary
this.stop(false);
setTimeout(this+'.start()',this.interval+1);
};
p.start = function () { // starts, or restarts if necessary
if (this._timer) this._restart();
else {
this.dlyr.invokeEvent("threadstart");
this._timer = setInterval(this+'.run()',this.interval);
}
};
p.run = function () {
var p=this._path, d=this.dlyr;
this.dlyr.invokeEvent("threadrun");
if (p && this.dlyr!=this && this._timer) {
if (this._frame>=p.length/2) {
if (this.loop) this._frame = 0;
else {
this.stop(false);
this.dlyr.invokeEvent("threadfinish");
return;
}
}
if (this._frame==0 && (d.x==p[0] && d.y==p[1])) this.frame += 1; // already at 1st coordinate
d.setLocation(p[this._frame*2],p[this._frame*2+1]);
this._frame++;
}
};
p.stop = function (noevt) {
clearInterval(this._timer);
this._timer = null;
this._frame = 0;
if (noevt!=false) this.dlyr.invokeEvent("threadstop");
};
p.play = function (path) {
this._path = path;
this.start();
};