topical media & game development

topical media & game development

[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

#javascript-processing-example-basic-inputs-clock.htm / htm


  <!DOCTYPE html>
  <html><head>
  <script src="javascript-processing-example-processing.js"></script>
  <script src="javascript-processing-example-init.js"></script>
  <link rel="stylesheet" href="javascript-processing-example-style.css">
  </head><body><h1><a href="http://ejohn.org/blog/processingjs/">Processing.js</a></h1>
  <h2>Clock</h2>
  
  <p>The current time can be read with the second(), minute(), 
  and hour() functions. In this example, sin() and cos() values
  are used to set the position of the hands.
   *</p>
  
  <p><a href="http://processing.org/learning/basics/clock.html"><b>Original Processing.org Example:</b> Clock</a><br>
  <script type="application/processing">
  void setup() {
    size(200, 200);
    stroke(255);
    smooth();
  }
  void draw() {
    background(0);
    fill(80);
    noStroke();
    // Angles for sin() and cos() start at 3 o'clock;
    // subtract HALF_PI to make them start at the top
    ellipse(100, 100, 160, 160);
    float s = map(second(), 0, 60, 0, TWO_PI) - HALF_PI;
    float m = map(minute(), 0, 60, 0, TWO_PI) - HALF_PI;
    float h = map(hour() % 12, 0, 12, 0, TWO_PI) - HALF_PI;
    stroke(255);
    strokeWeight(1);
    line(100, 100, cos(s) * 72 + 100, sin(s) * 72 + 100);
    strokeWeight(2);
    line(100, 100, cos(m) * 60 + 100, sin(m) * 60 + 100);
    strokeWeight(4);
    line(100, 100, cos(h) * 50 + 100, sin(h) * 50 + 100);
  }
  </script><canvas width="200" height="200"></canvas></p>
  <div style="overflow: hidden; height: 0px; width: 0px;"></div>
  
  <pre><b>// All Examples Written by <a href="http://reas.com/">Casey Reas</a> and <a href="http://benfry.com/">Ben Fry</a>
  // unless otherwise stated.</b>
  void setup() {
    size(200, 200);
    stroke(255);
    smooth();
  }
  void draw() {
    background(0);
    fill(80);
    noStroke();
    // Angles for sin() and cos() start at 3 o'clock;
    // subtract HALF_PI to make them start at the top
    ellipse(100, 100, 160, 160);
    float s = map(second(), 0, 60, 0, TWO_PI) - HALF_PI;
    float m = map(minute(), 0, 60, 0, TWO_PI) - HALF_PI;
    float h = map(hour() % 12, 0, 12, 0, TWO_PI) - HALF_PI;
    stroke(255);
    strokeWeight(1);
    line(100, 100, cos(s) * 72 + 100, sin(s) * 72 + 100);
    strokeWeight(2);
    line(100, 100, cos(m) * 60 + 100, sin(m) * 60 + 100);
    strokeWeight(4);
    line(100, 100, cos(h) * 50 + 100, sin(h) * 50 + 100);
  }</pre>
  </body></html>

[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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