mirror of
https://github.com/NASAWorldWind/WebWorldWind.git
synced 2026-01-25 15:23:04 +00:00
f783e29da3
* Updated documentation and repositioned code to improve clarity * Removed ability to control animation to simplify example * Changed file names to SunSimulation * Modified documentation to reflect focus on the Sun simulation * Corrected comment about simulation interval
65 lines
2.3 KiB
JavaScript
65 lines
2.3 KiB
JavaScript
/*
|
|
* Copyright 2015-2017 WorldWind Contributors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
requirejs(['./WorldWindShim',
|
|
'./LayerManager'],
|
|
function (WorldWind,
|
|
LayerManager) {
|
|
"use strict";
|
|
|
|
// Tell WorldWind to log only warnings.
|
|
WorldWind.Logger.setLoggingLevel(WorldWind.Logger.LEVEL_WARNING);
|
|
|
|
// Create the WorldWindow.
|
|
var wwd = new WorldWind.WorldWindow("canvasOne");
|
|
|
|
// Create and add layers to the WorldWindow.
|
|
var layers = [
|
|
// Imagery layer.
|
|
{layer: new WorldWind.BMNGLayer(), enabled: true},
|
|
// WorldWindow UI layers.
|
|
{layer: new WorldWind.CompassLayer(), enabled: false},
|
|
{layer: new WorldWind.CoordinatesDisplayLayer(wwd), enabled: false},
|
|
{layer: new WorldWind.ViewControlsLayer(wwd), enabled: false}
|
|
];
|
|
|
|
for (var l = 0; l < layers.length; l++) {
|
|
layers[l].layer.enabled = layers[l].enabled;
|
|
wwd.addLayer(layers[l].layer);
|
|
}
|
|
|
|
// The Sun simulation is a feature of Atmosphere layer. We'll create and add the layer.
|
|
var atmosphereLayer = new WorldWind.AtmosphereLayer();
|
|
wwd.addLayer(atmosphereLayer);
|
|
|
|
// Atmosphere layer requires a date to simulate the Sun position at that time.
|
|
// In this case the current date will be given to initialize the simulation.
|
|
var timeStamp = Date.now();
|
|
|
|
// Update the Sun position in 3 minute steps, every 64 ms in real time. Then redraw the scene.
|
|
setInterval(function () {
|
|
timeStamp += 180 * 1000;
|
|
atmosphereLayer.time = new Date(timeStamp);
|
|
wwd.redraw();
|
|
}, 64);
|
|
|
|
// Create a layer manager for controlling layer visibility.
|
|
var layerManager = new LayerManager(wwd);
|
|
|
|
});
|
|
|
|
|