smartcontroller/src/JoystickSmartController.js

SmartController provides an easy way of turning a smartphone into versatile controller.

import { SmartController } from "./SmartController";
import { BaseController } from "./BaseController";

class Joystick extends BaseController {
  constructor(connection, playerID = null) {
    super(connection, playerID);
    this.state = []; //all information sent from joystick [angle, direction, distance, position coordinates]
    this.positionChange = { x: 0, y: 0 }; //shows by how much the position changed
    this.isActive = false;
  }

  updateController = (data) => {
    var selfJ = this; //refers to the Joystick object

    var joystickData = data;
    if (joystickData.state == "start") {
      //decide if joystick is active or not
      selfJ.isActive = true;
    }

    if (joystickData.state == "end") {
      selfJ.isActive = false;
    }

    selfJ.state = joystickData.joystick; //store the joystick object information sent by phone

    if (isNaN(Math.cos((selfJ.state.angle.degree * Math.PI) / 180) * 10)) {
      selfJ.positionChange.x = 0;
      selfJ.positionChange.y = 0;
    } else {
      selfJ.positionChange.x =
        Math.cos((selfJ.state.angle.degree * Math.PI) / 180) * 10;
      selfJ.positionChange.y =
        Math.sin((selfJ.state.angle.degree * Math.PI) / 180) * 10;
    }
  };
}

export class JoystickSmartController extends SmartController {
  constructor(peerid = null, firstConnected = true, stats = true) {
    super(peerid, firstConnected, stats, Joystick);
  }
}