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import nipplejs from 'nipplejs';
import hoverControlModule from './hoverControlModule';
import uBitBLE from "./uBit";
import { notif_alert, notif_warn, notif_info, notif_success } from './notification';
let sw = "service-worker.js";
if (navigator.serviceWorker) {
navigator.serviceWorker.register(
sw, {scope: '/hoverbit-ble/'}
).then(registration => {
registration.onupdatefound = () => {
const installingWorker = registration.installing;
if (installingWorker == null) { return; }
installingWorker.onstatechange = () => {
if (installingWorker.state === "installed") {
if (navigator.serviceWorker.controller) {
notif_info("New content is available, relaunch the app to install it.");
} else {
notif_success("Content is cached for offline use.");
}
}
};
};
registration.update();
}).catch(error => {
notif_alert("Could not install service worker...");
console.error("Error during service worker registration:", error);
});
}
document.getElementById("btn_ignore_landscape_warning").addEventListener("click", () => {
document.body.classList.add("ignore-landscape-warning");
});
if (!navigator.bluetooth) {
alert("Bluetooth not enabled in your browser, this won't work...");
}
/* Define and initialize things */
let ubit = new uBitBLE();
let hoverControl = new hoverControlModule();
window.ubit = ubit;
window.hoverControl = hoverControl;
let joystickLeft = nipplejs.create({
zone: document.querySelector(".joystick-left"),
size: 200,
position: {left: '50%', bottom: '50%'},
mode: "static",
lockX: true
});
let joystickRight = nipplejs.create({
zone: document.querySelector(".joystick-right"),
size: 200,
position: {left: '50%', bottom: '50%'},
mode: "static",
lockY: true
});
/* Setup event_listeners */
joystickLeft.on("move", (evt, data) => {
let rudder = ((data.distance * 90) / 100);
if (data.angle.degree > 90) { rudder = rudder * -1; }
hoverControl.setRudder(Math.round(rudder));
});
joystickLeft.on("end", (evt, data) => {
hoverControl.setRudder(0);
});
joystickRight.on("move", (evt, data) => {
let throttle = data.distance;
if (data.angle.degree > 90) {
throttle = 0;
if (data.distance >= 100) {
hoverControl.reset();
if (hoverControl.getArm()) {
notif_alert("Detected panicy reducing of throttle, dearming...");
}
}
}
hoverControl.setThrottle(Math.round(throttle));
});
joystickRight.on("end", (evt, data) => {
hoverControl.setThrottle(0);
});
document.getElementById("btn_arm").addEventListener("click", () => {
hoverControl.setArm(true);
});
document.getElementById("btn_disarm").addEventListener("click", () => {
hoverControl.setArm(false);
});
document.querySelector("#btn_disconnect").addEventListener("click", () => {
hoverControl.reset();
ubit.disconnect();
});
document.getElementById("btn_connect").addEventListener("click", () => {
ubit.searchDevice();
});
ubit.onConnect(() => {
document.body.classList.add("connected");
});
ubit.onDisconnect(() => {
document.body.classList.remove("connected");
document.body.classList.remove("armed");
});
ubit.onUartTx((text) => {
/* Just make the ping symbol reappear. */
var elm = document.querySelector(".ping i");
var newone = elm.cloneNode(true);
elm.parentNode.replaceChild(newone, elm);
/* Actually handle received text. */
// console.log(`Received: ${text}`);
if ((text).indexOf(":") != -1) {
let parts = (text).split(":");
if (parts[0] == "B") {
document.querySelector(".battery-status").innerHTML = parts[1] + "mV";
} else if (parts[0] == "ACC") {
hoverControl.acc(parts[1]);
} else {
console.log(parts);
}
} else {
notif_warn("Received weird data from MICRO:BIT...");
console.log(`Received unknown: ${text}`);
}
});
let intervalSendCommands = setInterval(async() => {
if (ubit.isConnected()) {
let command =
"T" + hoverControl.getThrottle().toString() +
"R" + hoverControl.getRudder().toString() +
"A" + (hoverControl.getArm() ? "1" : "0") +
"S0" +
":";
await ubit.sendUart(command);
// console.log(`Sent: ${command}`);
}
}, 100);
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