41

Sine Function

The sin() function can be used to produce fluid or "wave" motion like this example.

sin() calculates the sine of an angle given in radians. There are 6.28 (2 x PI) radians in one revolution around a circle (sometimes refered to as one cycle). sin() returns a value between -1 and 1.

Challenge 41.1

Add an eye and mouth to the lead circle.

Challenge 41.2

Make the snake longer.