Wave increases with distance from pole. Ukrainian anthem, translated poetically: "Nay, thou art not dead, Ukraine, see, thy glory's born again, And the skies, O brethren, upon us smile once more! As in Springtime melts the snow, so shall melt away the foe, And we shall be masters in our own home."
I just made some minor changes to @crkcity's elegant project. I made the dots twice the size, and added a difference in saturation and brightness (calculating the values with the same code that is used to calculate the positions).
