Draws a Bezier curve on the screen.
background(125); noFill(); beginShape(); vertex(30, 20); bezierVertex(80, 0, 80, 75, 30, 75); endShape(); background(125); beginShape(); vertex(30, 20); bezierVertex(80, 0, 80, 75, 30, 75); bezierVertex(50, 80, 60, 25, 30, 20); endShape();