convex-pixel/esm5/cpx/utils/sonar/sonar.js

The library for creating pseudo 3d interactive scenes based on webgl

var DEFAULT_INTERVAL = 500;
export var SonarEventTypes;
(function (SonarEventTypes) {
    SonarEventTypes["CHANGE"] = "change";
    SonarEventTypes["LOST_CONTEXT"] = "lost-context";
})(SonarEventTypes || (SonarEventTypes = {}));
var Sonar = /** @class */ (function () {
    function Sonar(detectionInterval) {
        var _this = this;
        if (detectionInterval === void 0) { detectionInterval = DEFAULT_INTERVAL; }
        this._poolDetectors = new Array();
        this._timerId = undefined;
        this._tickHandler = function () {
            for (var i = 0, l = _this._poolDetectors.length; i < l; i++) {
                _this._poolDetectors[i].detectChanges();
            }
        };
        this._interval = detectionInterval;
    }
    Sonar.create = function () {
        if (!Sonar.instance) {
            Sonar.instance = new Sonar();
        }
        return Sonar.instance;
    };
    Sonar.prototype.run = function () {
        this._timerId = setInterval(this._tickHandler, this._interval);
    };
    Sonar.prototype.stop = function () {
        if (this._timerId) {
            clearInterval(this._timerId);
            this._timerId = undefined;
        }
    };
    Sonar.prototype.add = function (detector) {
        if (this._poolDetectors.indexOf(detector) > -1)
            return; // throw new Error('The detector is already added to pool');
        this._poolDetectors.push(detector);
    };
    Sonar.prototype.remove = function (detector) {
        var index = this._poolDetectors.indexOf(detector);
        if (index === -1)
            return; // throw new Error('The detector is already removed');
        this._poolDetectors.splice(index, 1);
    };
    Sonar.prototype.removeAll = function () {
        while (this._poolDetectors.length > 0) {
            var detector = this._poolDetectors.pop();
            if (detector) {
                detector.destroy();
            }
        }
    };
    Sonar.prototype.destroy = function () {
        this.stop();
        this.removeAll();
        this._poolDetectors.length = 0;
    };
    return Sonar;
}());
export { Sonar };
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