119 lines
3.4 KiB
JavaScript
119 lines
3.4 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 {MathUtils} from "three";
|
|
|
|
export class MouseAngleControls {
|
|
|
|
/**
|
|
* @param target {EventTarget}
|
|
* @param speed {number}
|
|
* @param stiffness {number}
|
|
*/
|
|
constructor(target, speed, stiffness) {
|
|
this.target = target;
|
|
this.manager = null;
|
|
|
|
this.moving = false;
|
|
this.lastY = 0;
|
|
this.deltaAngle = 0;
|
|
|
|
this.speed = speed;
|
|
this.stiffness = stiffness;
|
|
}
|
|
|
|
/**
|
|
* @param manager {ControlsManager}
|
|
*/
|
|
start(manager) {
|
|
this.manager = manager;
|
|
|
|
this.target.addEventListener("mousedown", this.onMouseDown);
|
|
window.addEventListener("mousemove", this.onMouseMove);
|
|
window.addEventListener("mouseup", this.onMouseUp);
|
|
}
|
|
|
|
stop() {
|
|
this.target.removeEventListener("mousedown", this.onMouseDown);
|
|
window.removeEventListener("mousemove", this.onMouseMove);
|
|
window.removeEventListener("mouseup", this.onMouseUp);
|
|
}
|
|
|
|
/**
|
|
* @param delta {number}
|
|
* @param map {Map}
|
|
*/
|
|
update(delta, map) {
|
|
if (this.deltaAngle === 0) return;
|
|
|
|
let smoothing = this.stiffness / (16.666 / delta);
|
|
smoothing = MathUtils.clamp(smoothing, 0, 1);
|
|
|
|
this.manager.angle += this.deltaAngle * smoothing * this.speed;
|
|
|
|
this.deltaAngle *= 1 - smoothing;
|
|
if (Math.abs(this.deltaAngle) < 0.0001) {
|
|
this.deltaAngle = 0;
|
|
}
|
|
}
|
|
|
|
reset() {
|
|
this.deltaAngle = 0;
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
* @param evt {MouseEvent}
|
|
*/
|
|
onMouseDown = evt => {
|
|
if ((evt.buttons !== undefined ? evt.buttons === 2 : evt.button === 2) ||
|
|
((evt.altKey || evt.ctrlKey) && (evt.buttons !== undefined ? evt.buttons === 1 : evt.button === 0))) {
|
|
this.moving = true;
|
|
this.deltaAngle = 0;
|
|
this.lastY = evt.y;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
* @param evt {MouseEvent}
|
|
*/
|
|
onMouseMove = evt => {
|
|
if(this.moving){
|
|
this.deltaAngle -= evt.y - this.lastY;
|
|
}
|
|
|
|
this.lastY = evt.y;
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
* @param evt {MouseEvent}
|
|
*/
|
|
onMouseUp = evt => {
|
|
this.moving = false;
|
|
}
|
|
|
|
} |