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class Timer {
/**
* @param {Runtime} runtime
* @param {AudioContext} audioContext
*/
constructor(runtime, audioContext) {
this.runtime = runtime;
this.audioContext = audioContext;
this._disposed = false;
this.paused = false;
this.stopped = true;
this._value = 0;
this.speed = 1;
this._lastUpdateReal = Date.now();
this._lastUpdateProcessed = Date.now();
this._boundFunc = this.update.bind(this);
this.runtime.on("RUNTIME_STEP_START", this._boundFunc);
}
start() {
this.paused = false;
this.stopped = false;
}
pause() {
this.paused = true;
}
stop() {
this.paused = false;
this.stopped = true;
}
reset() {
this._value = 0;
this.paused = false;
this.stopped = true;
}
update() {
if (this.stopped || this.paused || this._disposed || this.audioContext.state !== "running") {
this._lastUpdateReal = Date.now();
return;
}
this._value += (Date.now() - this._lastUpdateReal) * this.speed;
this._lastUpdateReal = Date.now();
this._lastUpdateProcessed = Date.now();
}
dispose() {
if (this._disposed) return;
this._disposed = true;
this.runtime.off("RUNTIME_STEP_START", this._boundFunc);
}
getTime(inSeconds) {
const divisor = inSeconds ? 1000 : 1;
return this._value / divisor;
}
setTime(ms) {
this._lastUpdateReal = Date.now();
this._lastUpdateProcessed = Date.now();
this._value = ms;
}
}
module.exports = Timer;
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