49 lines
1.5 KiB
JavaScript
49 lines
1.5 KiB
JavaScript
//
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// elevator.js
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//
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// Copyright 2017 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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/* globals Script Entities Vec3 */
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(function () {
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var POINT_A = {x: -9.6362, y: -8.9245, z: 5.1167};
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var POINT_B = {x: -9.6362, y: -13.733, z: 5.1167};
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var PAUSE_TIME_MS = 4000;
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var MOVE_TIME_MS = 5000;
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var UPDATE_RATE = 60;
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var goingUp = false;
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var _entityID;
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this.preload = function (entityID) {
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_entityID = entityID;
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movePlatform(goingUp);
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};
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var movePlatform = function (isGoingUp) {
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var from = isGoingUp ? POINT_A : POINT_B;
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var to = isGoingUp ? POINT_B : POINT_A;
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var moveDirection = Vec3.subtract(to, from);
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var start = Date.now();
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var intervalHandle = Script.setInterval(function () {
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var current = Date.now();
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var elapsed = Math.min(MOVE_TIME_MS, current - start);
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var position = Vec3.multiply(moveDirection, elapsed / MOVE_TIME_MS);
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position = Vec3.sum(from, position);
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Entities.editEntity(_entityID, {
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position: position
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});
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if (elapsed >= MOVE_TIME_MS) {
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Script.clearInterval(intervalHandle);
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Script.setTimeout(function () {
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movePlatform(!isGoingUp);
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}, PAUSE_TIME_MS);
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}
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}, 1000 / UPDATE_RATE);
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};
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});
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