BlueMap/BlueMapCore/src/main/webroot/js/libs/ui/Compass.js

58 lines
2.1 KiB
JavaScript

/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
import $ from 'jquery';
import Button from './Button.js';
import COMPASS from '../../../assets/compass.svg';
export default class Compass extends Button {
constructor(blueMap) {
super(undefined, undefined, COMPASS);
this.blueMap = blueMap;
$(document).on('bluemap-update-frame', this.onBlueMapUpdateFrame);
}
createElement(){
let element = super.createElement();
element.click(this.onClick);
return element;
}
onBlueMapUpdateFrame = () => {
this.elements.forEach(element => {
element.find("img").css('transform', `rotate(${this.blueMap.controls.direction}rad)`);
});
};
onClick = () => {
this.blueMap.controls.targetDirection = 0;
this.blueMap.controls.direction = this.blueMap.controls.direction % (Math.PI * 2);
if (this.blueMap.controls.direction < -Math.PI) this.blueMap.controls.direction += Math.PI * 2;
if (this.blueMap.controls.direction > Math.PI) this.blueMap.controls.direction -= Math.PI * 2;
};
}