I’ll use this space for positive results and then will work toward making a movie of those and related results. Adam @ OpenAI suggested a few shot approach, so I now have a more significant prompt and got the Codex to generate something reasonable (my best result so far).

```
/* Draw a grey box and 6 white points */
function setup() {
let d = 70;
let p1 = d;
let p2 = p1 + d;
let p3 = p2 + d;
let p4 = p3 + d;
// Sets the screen to be 720 pixels wide and 400 pixels high
createCanvas(720, 400);
background(0);
noSmooth();
translate(140, 0);
// Draw gray box
stroke(153);
line(p3, p3, p2, p3);
line(p2, p3, p2, p2);
line(p2, p2, p3, p2);
line(p3, p2, p3, p3);
// Draw white points
stroke(255);
point(p1, p1);
point(p1, p3);
point(p2, p4);
point(p3, p1);
point(p4, p2);
point(p4, p4);
}
/* end */
"""
/* Draw 3 balls of color blue of different radii, and make them bounce around the screen */
```

Click on this for output: 3 bouncing balls

Resulting code generated by Codex

```
/* Draw 3 balls of color blue of different radii, and make them bounce around the screen */
var ball1 = {
x: 100,
y: 100,
r: 30,
vx: 2,
vy: 1,
ax: 0,
ay: 0,
color: 'blue'
}
var ball2 = {
x: 200,
y: 200,
r: 20,
vx: -1,
vy: -1,
ax: 0,
ay: 0,
color: 'blue'
}
var ball3 = {
x: 300,
y: 300,
r: 10,
vx: 1,
vy: 1,
ax: 0,
ay: 0,
color: 'blue'
}
function setup() {
createCanvas(720, 400);
background(0);
noStroke();
}
function draw() {
background(0);
ball1.x += ball1.vx;
ball1.y += ball1.vy;
ball1.vx += ball1.ax;
ball1.vy += ball1.ay;
ball2.x += ball2.vx;
ball2.y += ball2.vy;
ball2.vx += ball2.ax;
ball2.vy += ball2.ay;
ball3.x += ball3.vx;
ball3.y += ball3.vy;
ball3.vx += ball3.ax;
ball3.vy += ball3.ay;
fill(ball1.color);
ellipse(ball1.x, ball1.y, ball1.r * 2);
fill(ball2.color);
ellipse(ball2.x, ball2.y, ball2.r * 2);
fill(ball3.color);
ellipse(ball3.x, ball3.y, ball3.r * 2);
bounce(ball1);
bounce(ball2);
bounce(ball3);
}
function bounce(ball) {
if (ball.x + ball.r > width || ball.x - ball.r < 0) {
ball.vx = -ball.vx;
ball.ax = 0;
}
if (ball.y + ball.r > height || ball.y - ball.r < 0) {
ball.vy = -ball.vy;
ball.ay = 0;
}
}
```