40 lines
1.8 KiB
JavaScript
40 lines
1.8 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = _default;
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var _base = require("../base");
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const internalTiming = (0, _base.proc)(function (clock, time, frameTime, position, finished, toValue, duration, nextProgress, progress, newFrameTime) {
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const state = {
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time,
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finished,
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frameTime,
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position
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};
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const config = {
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duration,
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toValue
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};
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const distanceLeft = (0, _base.sub)(config.toValue, state.position);
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const fullDistance = (0, _base.divide)(distanceLeft, (0, _base.sub)(1, progress));
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const startPosition = (0, _base.sub)(config.toValue, fullDistance);
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const nextPosition = (0, _base.add)(startPosition, (0, _base.multiply)(fullDistance, nextProgress));
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return (0, _base.block)([(0, _base.cond)((0, _base.greaterOrEq)(newFrameTime, config.duration), [(0, _base.set)(state.position, config.toValue), (0, _base.set)(state.finished, 1)], (0, _base.set)(state.position, nextPosition)), (0, _base.set)(state.frameTime, newFrameTime), (0, _base.set)(state.time, clock)]);
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});
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function _default(clock, state, config) {
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if (config.duration === 0) {
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// when duration is zero we end the timing immediately
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return (0, _base.block)([(0, _base.set)(state.position, config.toValue), (0, _base.set)(state.finished, 1)]);
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}
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const lastTime = (0, _base.cond)(state.time, state.time, clock);
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const newFrameTime = (0, _base.add)(state.frameTime, (0, _base.sub)(clock, lastTime));
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const nextProgress = config.easing((0, _base.divide)(newFrameTime, config.duration));
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const progress = config.easing((0, _base.divide)(state.frameTime, config.duration));
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return internalTiming(clock, state.time, state.frameTime, state.position, state.finished, config.toValue, config.duration, nextProgress, progress, newFrameTime);
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}
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//# sourceMappingURL=timing.js.map
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