canvas

• time-plot: Plot a function on the canvas over time
  Waveforms
• function-plot: Plot a static function on the canvas.
  Waveforms
• particle-things: Array of things is influenced by pointer movement
  Thing, averaging, geometry
• circle-fill: Different distributions of random points in a circle
  Flow.repeat, random
• things-canvas: Uses the 'things' pattern, drawing on the canvas.
  Things