void pickLocation()
{
int cols = P5JSExtension.floor(P5JSExtension.width / scl);
int rows = P5JSExtension.floor(P5JSExtension.height / scl);
food = new Vector2(P5JSExtension.random(0, cols), P5JSExtension.random(0, rows));
food.Scale(new Vector2(scl, scl));
}