// Based on code 8-08 (p. 83)

////////////////////////////////////////////////////// modification for forkable.eu
import processing.pdf.*;
String outputdir = "tmp/";
///////////////////////////////////////////////////////////////////////////////////

size(360, 550);
//size(360, 550, PDF, "page_078.pdf");
background(255);
stroke(0);
noFill();

float ax = 0.0;
float ay = 0.0;

beginRecord(PDF, outputdir + "page_078.pdf"); // modification for forkable.eu

  for (float e = 2; e < 36; e += 1.0) {
    for (int x = 0; x < width; x += 2) {
      float n = norm(x, 0.0, width);  // Range 0.0 to 1.0
      float y = 1 - pow(n, e);        // Calculate curve
      y *= height;     // Range 0.0 to height
      if (x > 0) {
        line(ax, ay, x, y);
      } 
      ax = x;
      ay = y;
    }
  }

endRecord(); // modification for forkable.eu
exit(); // modification for forkable.eu