How to use the proton-engine function in proton-engine

createProton(canvas, width, height) {
    const context = canvas.getContext("2d");
    this.proton = new Proton();

    const emitter = new Proton.Emitter();
    emitter.rate = new Proton.Rate(
      this.props.num ? new Proton.Span(this.props.num) : new Proton.Span(4, 9),
      new Proton.Span(0.8, 1.3)
    );

    emitter.addInitialize(new Proton.Mass(1));
    emitter.addInitialize(new Proton.Radius(1, 50));
    emitter.addInitialize(new Proton.Life(5, 6));
    emitter.addInitialize(
      new Proton.Velocity(
        new Proton.Span(5, 8),
        new Proton.Span(30, 70),
        "polar"
      )

createProton(canvas, width, height) {
    this.proton = new Proton();

    const emitter = new Proton.Emitter();
    emitter.rate = new Proton.Rate(
      this.props.num ? new Proton.Span(this.props.num) : new Proton.Span(100),
      new Proton.Span(0.05, 0.2)
    );

    emitter.addInitialize(new Proton.Mass(1));
    emitter.addInitialize(new Proton.Radius(1, 4));
    emitter.addInitialize(new Proton.Life(Infinity));

    const pointZone = new Proton.Position(
      new Proton.RectZone(0, 0, width, height)
    );
    emitter.addInitialize(pointZone);
    emitter.addInitialize(

createProton(canvas) {
    this.proton = new Proton();
    const renderer = this.createRenderer(canvas);
    this.proton.addRenderer(renderer);
  }

createProton(canvas, width, height) {
    this.proton = new Proton();
    const emitter = new Proton.Emitter();
    emitter.rate = new Proton.Rate(
      this.props.num ? new Proton.Span(this.props.num) : new Proton.Span(5, 8),
      new Proton.Span(0.1, 0.25)
    );

    emitter.addInitialize(new Proton.Mass(1));
    emitter.addInitialize(new Proton.Radius(20, 200));
    emitter.addInitialize(new Proton.Life(2, 4));
    emitter.addInitialize(
      new Proton.Position(new Proton.RectZone(0, 0, width, height))
    );

    emitter.addBehaviour(new Proton.Alpha(0, 1, Infinity, Proton.easeOutCubic));
    emitter.addBehaviour(new Proton.Scale(1, 0, Infinity, Proton.easeOutCubic));
    emitter.addBehaviour(new Proton.Color(this.colors, "random"));

createProton(canvas, width, height) {
    this.proton = new Proton();

    const emitter = new Proton.Emitter();
    emitter.damping = 0.008;
    emitter.rate = new Proton.Rate(this.props.num ? this.props.num : 250);
    emitter.addInitialize(new Proton.Mass(1));
    emitter.addInitialize(new Proton.Radius(4));
    emitter.addInitialize(
      new Proton.Velocity(
        new Proton.Span(1.5),
        new Proton.Span(0, 360),
        "polar"
      )
    );
    const mouseObj = {
      x: width / 2,
      y: height / 2

createProton(canvas, width, height) {
    this.proton = new Proton();

    const emitter = new Proton.Emitter();
    emitter.rate = new Proton.Rate(this.props.num || 20);
    emitter.damping = 0.008;

    emitter.addInitialize(new Proton.Mass(1));
    emitter.addInitialize(new Proton.Radius(30, 600));
    emitter.addInitialize(
      new Proton.Velocity(
        new Proton.Span(0.5),
        new Proton.Span(0, 360),
        "polar"
      )
    );
    emitter.addInitialize(
      new Proton.Position(

const life = this.getProp("life", [2, 3]);
        const body = this.getProp("body");
        const position = this.getProp("position");
        const v = this.getProp("v", [2, 3]);
        const tha = this.getProp("tha", [-15, 15]);
        const alpha = this.getArrProp("alpha");
        const scale = this.getArrProp("scale");
        const color = this.getArrProp("color");
        const cross = this.getProp("cross", "dead");
        const random = this.getProp("random");
        const rotate = this.getArrProp("rotate");
        const g = this.getProp("g");
        const f = this.getArrProp("f");
        const emitterV = this.getProp("emitter");

        this.proton = new Proton();
        let emitter;
        if (emitterV === "follow") {
            emitter = new Proton.FollowEmitter();
        } else {
            emitter = new Proton.Emitter();
        }
        emitter.rate = new Proton.Rate(num, rps);

        emitter.addInitialize(new Proton.Mass(mass));
        emitter.addInitialize(new Proton.Radius(radius));
        emitter.addInitialize(new Proton.Life(life));
        emitter.addInitialize(new Proton.Velocity(v, tha, "polar"));
        if (body) emitter.addInitialize(new Proton.Body(body));

        let pos;
        if (position === "all" || position === "screen") {

createProton(canvas, width, height) {
    this.proton = new Proton();
    const emitter = new Proton.Emitter();
    emitter.rate = new Proton.Rate(
      this.props.num ? new Proton.Span(this.props.num) : new Proton.Span(4, 8),
      new Proton.Span(0.1, 0.25)
    );

    emitter.addInitialize(new Proton.Mass(1));
    emitter.addInitialize(new Proton.Radius(20, 200));
    emitter.addInitialize(new Proton.Life(2, 4));
    emitter.addInitialize(
      new Proton.Velocity(
        new Proton.Span(4, 7),
        new Proton.Span(0, 360),
        "polar"
      )
    );