mirror of
https://github.com/cocos/cocos-engine.git
synced 2026-09-06 15:48:37 +08:00
106 lines
4.1 KiB
TypeScript
106 lines
4.1 KiB
TypeScript
/*
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Copyright (c) 2022-2023 Xiamen Yaji Software Co., Ltd.
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https://www.cocos.com/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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import { systemInfo, OS } from '@pal/system-info';
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import { screenAdapter } from '@pal/screen-adapter';
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import { EventTarget } from '@base/event';
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import { Orientation } from '@pal/screen-adapter';
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import { Acceleration, EventAcceleration } from '../../../cocos/input/types';
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import { InputEventType } from '../../../cocos/input/types/event-enum';
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export type AccelerometerCallback = (res: EventAcceleration) => void;
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export class AccelerometerInputSource {
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private _intervalInSeconds = 0.2;
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private _intervalId?: number;
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private _isEnabled = false;
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private _eventTarget: EventTarget = new EventTarget();
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private _didAccelerateFunc: () => void;
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constructor () {
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this._didAccelerateFunc = this._didAccelerate.bind(this);
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}
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private _didAccelerate (): void {
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const deviceMotionValue = jsb.device.getDeviceMotionValue();
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let x = deviceMotionValue[3] * 0.1;
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let y = deviceMotionValue[4] * 0.1;
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const z = deviceMotionValue[5] * 0.1;
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const orientation = screenAdapter.orientation;
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const tmpX = x;
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if (orientation === Orientation.LANDSCAPE_RIGHT) {
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x = -y;
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y = tmpX;
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} else if (orientation === Orientation.LANDSCAPE_LEFT) {
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x = y;
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y = -tmpX;
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} else if (orientation === Orientation.PORTRAIT_UPSIDE_DOWN) {
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x = -x;
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y = -y;
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}
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// fix android acc values are opposite
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if (systemInfo.os === OS.ANDROID || systemInfo.os === OS.OHOS || systemInfo.os === OS.OPENHARMONY) {
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x = -x;
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y = -y;
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}
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const timestamp = performance.now();
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const acceleration = new Acceleration(x, y, z, timestamp);
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const eventAcceleration = new EventAcceleration(acceleration);
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this._eventTarget.emit(InputEventType.DEVICEMOTION, eventAcceleration);
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}
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public start (): void {
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if (this._intervalId) {
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clearInterval(this._intervalId);
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}
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this._intervalId = setInterval(this._didAccelerateFunc, this._intervalInSeconds * 1000);
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jsb.device.setAccelerometerInterval(this._intervalInSeconds);
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jsb.device.setAccelerometerEnabled(true);
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this._isEnabled = true;
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}
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public stop (): void {
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if (this._intervalId) {
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clearInterval(this._intervalId);
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this._intervalId = undefined;
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}
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jsb.device.setAccelerometerEnabled(false);
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this._isEnabled = false;
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}
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public setInterval (intervalInMileseconds: number): void {
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this._intervalInSeconds = intervalInMileseconds / 1000;
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jsb.device.setAccelerometerInterval(this._intervalInSeconds);
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if (this._isEnabled) {
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// restart accelerometer
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jsb.device.setAccelerometerEnabled(false);
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jsb.device.setAccelerometerEnabled(true);
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}
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}
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public on (eventType: InputEventType, callback: AccelerometerCallback, target?: any): void {
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this._eventTarget.on(eventType, callback, target);
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}
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}
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