// ***************************************************************
//
// C - Clocks
// 
// Design hundred clocks that indicate the passage of time using
// only abstract graphic images instead of figures.
//
// Clock_04_01_02.pde
// Subject: Circles
//
// 2011, December 25, 3:45 PM
// Loftmatic, Henk Lamers
// http://www.loftmatic.com
//
// ***************************************************************

int clock_X, clock_Y;
float secondsRadius;

void setup () {
  size (200, 200);
  background (0);
  stroke (255);
  smooth ();

  int radius = min (width, height) / 2;
  secondsRadius = radius * 0.5;
  strokeCap (SQUARE);

  clock_X = width / 2;
  clock_Y = height / 2;
}

void draw () {
  
    noStroke ();
  fill (0, 4);
  rect (0, 0, width, height);
  fill (255);

  // The milli-seconds.
  float ml = map (millis (), 0, 60, 0, TWO_PI) - HALF_PI;
  stroke (255, 32);
  strokeWeight (2);
  line (width / 2, height / 2, cos (ml) * 80 + 100, sin (ml) * 80 + 100);
  noStroke ();

  // The seconds.
  float sc = map (second (), 0, 60, 0, TWO_PI) - HALF_PI;
  stroke (255);
  strokeWeight (1);
  line (width / 2, height / 2, cos (sc) * 80 + 100, sin (sc) * 80 + 100);

  // The minutes.
  float mn = map (minute (), 0, 60, 0, TWO_PI) - HALF_PI;
  line (width / 2, height / 2, cos (mn) * 70 + 100, sin (mn) * 70 + 100);

  // The hours.
  float hr = map (hour () + norm(minute(), 0, 60), 0, 24, 0, TWO_PI * 2) - HALF_PI;
  line (width / 2, height / 2, cos (hr) * 60 + 100, sin (hr) * 50 + 100);
  noStroke ();
  fill (0);
  ellipse (width / 2, height / 2, 100, 100);
 
   // Draw the second ticks.
  stroke (63, 127);
  strokeWeight(3);
  strokeCap (ROUND);
  beginShape(POINTS);
  for (int a = 0; a < 360; a+=6) {
    float x = clock_X + cos(radians(a)) * secondsRadius;
    float y = clock_Y + sin(radians(a)) * secondsRadius;
    //stroke (a);
    vertex(x, y);
  }
  
  endShape();
}