polygonal rewarp #16

Adaptation of "polygonal warp" that fixes scaling issues on previous work.
To keep each previous minted item of "polygonal warp" unique, this version is altered by warping the polygon radius and removing the diagonal polygons. Also the background is less noisy.

In live mode:

• Press "s" to save the current image
• Press "h" to stop the animation
• Press "r" to resume the animation

Feature:

• color scheme: 26 variations of sets of 4 colours
• angle: start angle (0-359)
• polygon points: number of points in polygon
• star points: number of points in star