const width = 150; // min=20, max=200, step=5
const height = 75; // min=20, max=200, step=5
const borderRadius = 10; // min=0, max=50, step=1
const turtle = new Turtle();


drawRoundedRect(-width/2, -height/2, width, height, borderRadius);


function drawRoundedRect(x, y, w, h, tl, tr=tl, br=tl, bl=tr) {
    turtle.radians();
    
    tl = Math.min(tl, w/2, h/2);
    tr = Math.min(tr, w/2, h/2);
    br = Math.min(br, w/2, h/2);
    bl = Math.min(bl, w/2, h/2);
    
    turtle.jump(x+tl, y);
    turtle.forward(w-tr-tl);
    turtle.circle(tr, Math.PI/2);
    turtle.forward(h-br-tr);
    turtle.circle(br, Math.PI/2);
    turtle.forward(w-bl-br);
    turtle.circle(bl, Math.PI/2);
    turtle.forward(h-tl-bl);
    turtle.circle(tl, Math.PI/2);
}