function setup() {
  createCanvas(windowWidth, windowHeight);
  colorMode(HSB, 360, 100, 100, 100);
  strokeWeight(1);
  textFont(font, fontSizeMin);
}
Drawing tool that moves a branching pendulum contraption along paths drawn by the mouse.
The last joint of the pendulum leaves behind its own vertex, which is used to draw the
letters of a sentence.

MOUSE
mouse               : click and drag to create a path to draw a pendulum along with

KEYS
1                   : toggle path line
2                   : toggle pendulum
3                   : toggle pendulum path
-                   : decrease gravity
+                   : increase gravity
arrow down          : decrease length of lines
arrow up            : increase length of lines
arrow left          : decrease joints
arrow right         : increase joints
del, backspace      : clear screen
s                   : save png

CONTRIBUTED BY
[Niels Poldervaart](http://NielsPoldervaart.nl)