#javascript-processing-example-topic-motion-linear.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>Linear</h2> <p>Changing a variable to create a moving line. When the line moves off the edge of the window, the variable is set to 0, which places the line back at the bottom of the screen.</p> <p><a href="http://processing.org/learning/topics/linear.html"><b>Original Processing.org Example:</b> Linear</a><br> <script type="application/processing"> float a = 100; void setup() { size(200, 200); stroke(255); frameRate(30); } void draw() { background(51); a = a - 1; if (a < 0) { a = height; } line(0, a, width, a); } </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> float a = 100; void setup() { size(200, 200); stroke(255); frameRate(30); } void draw() { background(51); a = a - 1; if (a < 0) { a = height; } line(0, a, width, a); }</pre> </body></html>
(C) Æliens 20/2/2008
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