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