Something

var name2;

setBackgroundImageAs("front_of_house_1");
makeNewSpriteAnon("blue_shirt_ball_1", ({"x":150,"y":250}));
setProp(({costume: "blue_shirt_ball_1"}), "scale", 200);
setPrompt('What is your name?', 'name2', function(val) {name2 = val;});

whenPromptAnswered('name2', function (extraArgs) {
  printText(textJoin("Hello ", textVariableJoin(name2, '!')));
});
function moving_east(this_sprite) {
  mirrorSprite(this_sprite, "right");
  moveInDirection(this_sprite, 3, "East");
}

function moving_west(this_sprite) {
  mirrorSprite(this_sprite, "left");
  moveInDirection(this_sprite, 3, "West");
}

function mystery_behavior(this_sprite) {
  changePropBy(this_sprite, "scale", -1);
}

function math_random_int(a, b) {
    if (a > b) {
      // Swap a and b to ensure a is smaller.
      var c = a;
      a = b;
      b = c;
    }
    return Math.floor(Math.random() * (b - a + 1) + a);
  }

function wandering(this_sprite) {
  if (math_random_int(0, 5) == 0) {
    changePropBy(this_sprite, "direction", math_random_int(-25, 25));
  }
  moveForward(this_sprite, 1);
  if (isTouchingEdges(this_sprite)) {
    edgesDisplace(this_sprite);
    changePropBy(this_sprite, "direction", math_random_int(135, 225));
  }
}

function running_east(this_sprite) {
  moveInDirection(this_sprite, 5, "East");
}

function spinning_left(this_sprite) {
  turn(this_sprite, 6, "left");
}

function spinning_right(this_sprite) {
  turn(this_sprite, 6, "right");
}

function shrinking(this_sprite) {
  changePropBy(this_sprite, "scale", -1);
}

function growing(this_sprite) {
  changePropBy(this_sprite, "scale", 1);
}

function moving_south(this_sprite) {
  moveInDirection(this_sprite, 5, "South");
}

function swimming_left_and_right(this_sprite) {
  if (getProp(this_sprite, "direction") == 0) {
    mirrorSprite(this_sprite, "right");
  } else if (getProp(this_sprite, "direction") == 180) {
    mirrorSprite(this_sprite, "left");
  }
  moveForward(this_sprite, 5);
  if (isTouchingEdges(this_sprite)) {
    edgesDisplace(this_sprite);
    changePropBy(this_sprite, "direction", 180);
  }
}

function moving_north(this_sprite) {
  moveInDirection(this_sprite, 5, "North");
}

function jittering(this_sprite) {
  changePropBy(this_sprite, "scale", math_random_int(-1, 1));
}

function patrolling(this_sprite) {
  moveForward(this_sprite, 5);
  if (isTouchingEdges(this_sprite)) {
    edgesDisplace(this_sprite);
    changePropBy(this_sprite, "direction", 180);
  }
}