been working with translation, pop, push, and rotate some. slowly learning – and found Gene Kogan’s documentation / tutorial extremely helpful http://genekogan.com/code/p5js-transformations/
(*could make the rectangles a forLoop?)
However, to make the button slider effect work – we think it might need to be built out through the vertex function / creating V shapes that don’t overlap but are adjacent, verses a stack of overlapping rects
30 KM/s 