motion-and-tween/dist/motion/Motion.js

Motion and Tween

import RealWorldTimer from "../timing/RealWorldTimer.js";
var Motion = /** @class */ (function () {
    function Motion(_a) {
        var obj = _a.obj, propertyToChange = _a.propertyToChange, beginValue = _a.beginValue, actionDuration = _a.actionDuration, valueChange = _a.valueChange;
        this._isLooping = false;
        this._valueChange = null;
        this.obj = obj;
        this.propertyToChange = propertyToChange;
        this._beginValue = beginValue;
        this._actionDuration = actionDuration;
        this._listeners = [];
        this.addListener(this);
        this.start();
        this._currentTime = 0;
        this._prevPos = null;
        this._pos = beginValue;
        this._startTime = RealWorldTimer.getElapsedTime();
        this._valueChange = valueChange;
    }
    Motion.prototype.getElapsedTime = function () {
        return RealWorldTimer.getElapsedTime();
    };
    Motion.prototype.start = function () {
        this.rewind();
        this.addListener(this);
    };
    Motion.prototype.stop = function () {
        this.removeListener(this);
    };
    Motion.prototype.resume = function () {
        this.addListener(this);
    };
    Motion.prototype.rewind = function (t) {
        if (t === void 0) { t = this._currentTime; }
        this._currentTime = !t ? 1 : t;
        this.update();
    };
    Motion.prototype.addListener = function (listener) {
        this._listeners.push(listener);
    };
    Motion.prototype.nextFrame = function () {
        this.setTime(this._currentTime + 1);
    };
    Motion.prototype.prevFrame = function () {
        this.setTime(this._currentTime - 1);
    };
    Motion.prototype.setTime = function (t) {
        if (t > this._actionDuration) {
            if (this._isLooping) {
                this.rewind(t - this._actionDuration);
            }
            else {
                this.stop();
            }
        }
        else if (t < 0) {
            this.rewind();
        }
        else {
            this._currentTime = t;
        }
        this.update();
    };
    Motion.prototype.getTime = function () {
        return this._currentTime;
    };
    Motion.prototype.setBegin = function (b) {
        this._beginValue = b;
    };
    Motion.prototype.getBegin = function () {
        return this._beginValue;
    };
    Motion.prototype.setActionDuration = function (d) {
        this._actionDuration = d === null || d <= 0 ? 10000000 : d;
    };
    Motion.prototype.getActionDuration = function () {
        return this._actionDuration;
    };
    Motion.prototype.setIsLooping = function (b) {
        this._isLooping = b;
    };
    Motion.prototype.getIsLooping = function () {
        return this._isLooping;
    };
    Motion.prototype.setObj = function (obj) {
        this.obj = obj;
    };
    Motion.prototype.getObj = function () {
        return this.obj;
    };
    Motion.prototype.setProp = function (prop) {
        this.propertyToChange = prop;
    };
    Motion.prototype.getProp = function () {
        return this.propertyToChange;
    };
    Motion.prototype.expandParams = function (params) {
        if (params === void 0) { params = null; }
        var lastT, nextT, beginValue, valueChange, actionDuration;
        if (params) {
            if (params.beginValue)
                beginValue = params.beginValue;
            if (params.valueChange)
                valueChange = params.valueChange;
        }
        lastT = this._currentTime;
        if (!params) {
            lastT = this._currentTime;
            nextT = this._currentTime + 1;
            beginValue = this._beginValue;
            valueChange = this._valueChange;
            actionDuration = this._actionDuration;
        }
        else {
            if (params.hasOwnProperty("t")) {
                nextT = params.t;
            }
            if (!beginValue) {
                beginValue = this._beginValue;
            }
            if (!valueChange) {
                valueChange = this._valueChange;
            }
            if (!actionDuration) {
                actionDuration = this._actionDuration;
            }
        }
        return { lastT: lastT, nextT: nextT, beginValue: beginValue, valueChange: valueChange, actionDuration: actionDuration };
    };
    // Override this method
    Motion.prototype.update = function (params) {
        if (params === void 0) { params = null; }
        if (params) {
            this._currentTime = params.t;
        }
        else {
            this._currentTime += 1;
        }
        return this.obj;
    };
    Motion.prototype.removeListener = function (listener) {
        this._listeners = this._listeners.filter(function (l) { return l !== listener; });
    };
    Motion.prototype.toString = function () {
        return "Motion[obj=".concat(JSON.stringify(this.obj), ", prop=").concat(JSON.stringify(this.propertyToChange), ", _beginValue=").concat(this._beginValue, ", _duration=").concat(this._actionDuration, "]"); // , useSeconds=${this.useSeconds}]`;
    };
    return Motion;
}());
export { Motion };
export default Motion;