Pen(ペン)

Pen.penDown ( ペンを下げる )

import { Typescratcher as Ts } from "@tscratch3/typescratcher";
import type { Sprite } from "@tscratch3/typescratcher";

const cat = new Ts.Sprite( 'cat' );

const thread = async function* ( this : Sprite ) {
    this.Pen.penDown();
}

Pen.penUp ( ペンを上げる )

import { Typescratcher as Ts } from "@tscratch3/typescratcher";
import type { Sprite } from "@tscratch3/typescratcher";

const cat = new Ts.Sprite( 'cat' );

const thread = async function* ( this : Sprite ) {
    this.Pen.penUp();
}