nay eys

DONE

1. eye around the diagonal line defined by the two points give by rnd
2. eye around the 'horizontal' border line of the quadrangles -> in nayeye_0.html

TODO

1. combine nayeye_0 algorithm with this of nayeye_1
2. split (each layer) by half, third or quater
3. generate and update functions
4. add grey values to the palette
5. brushstroke texture(s)
6. shadow colours and blur
7. animation of the brushstrokes
8. rotate only vertical, horizontal or by 90°degrees
9. animate brushstrokes
10. ...?