/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://bard117f12.sketchpad.cc/sp/pad/view/ro.gFPRSDt1VwP/rev.1
 * 
 * authors: 
 *   Christeina Wade

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



/* Christeina Wade 
Keith O'Hara 
I used the clock example on processing.org to 
understand how to set up the clock and the dots for the second hand.
I also worked with Sadiki on the clock project.
*/

int cx, cy;
float secondsRadius;
float minutesRadius;
float hoursRadius;
float clockDiameter;
float R = random(255);
float G = random (255);
float B = random (255);


void setup() {
  size (200, 200);
  stroke(0);

  int radius = min(width, height)/2;
  secondsRadius = radius * 0.72;
  minutesRadius = radius * 0.60;
  hoursRadius = radius * 0.50;
  clockDiameter = radius * 1.8;

  cx = width / 2;
  cy = height / 2;
}

void draw() {
  background(0, 100, 100);

  // clock background
  fill(0, 0, 100);
  stroke(4);
  ellipse(cx, cy, clockDiameter, clockDiameter);
  fill(255, 100, 0);
  stroke(15);
  ellipse(cx, cy, clockDiameter, clockDiameter);

  // Angles for sin() and cos() start at 3 o'clock;
  // subtract HALF_PI to make them start at the top
  float s = map(second(), 0, 60, 0, TWO_PI) - HALF_PI;
  float m = map(minute() + norm(second(), 0, 60), 0, 60, 0, TWO_PI) - HALF_PI; 
  float h = map(hour() + norm(minute(), 0, 60), 0, 24, 0, TWO_PI * 2) - HALF_PI;

  // Draw the hands of the clock
  stroke(255);
  strokeWeight(2);
  line(cx, cy, cx + cos(s) * secondsRadius, cy + sin(s) * secondsRadius);
  strokeWeight(15);
  stroke(0);
  line(cx, cy, cx + cos(m) * minutesRadius, cy + sin(m) * minutesRadius);
  strokeWeight(15);
  line(cx, cy, cx + cos(h) * hoursRadius, cy + sin(h) * hoursRadius);

  // Draw the minute ticks
  strokeWeight(23);
  stroke(R,G,B);
  beginShape(POINTS);
  for (int a = 0; a < 360; a+=6) {
    float angle = radians(a);
    float x = cx + cos(angle) * secondsRadius;
    float y = cy + sin(angle) * secondsRadius;
    vertex(x, y);
  }
endShape();

}