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<!DOCTYPE html>
<html>
<head>
<script src="../../processing.js"></script>
<link rel="stylesheet" href="../style.css"/></head>
<body><h1><a href="http://ejohn.org/blog/processingjs/">Processing.js</a></h1>
<h2>Modulo</h2>
<p>The modulo operator (%) returns the remainder of a number
divided by another. As in this example, it is often used
to keep numerical values within a set range.
Created 12 January 2003.</p>
<p><a href="http://processing.org/learning/basics/modulo.html"><b>Original Processing.org Example:</b> Modulo</a><br>
<script type="application/processing">
int num = 20;
float c;
void setup()
{
size(200,200);
fill(255);
frameRate(30);
}
void draw()
{
background(0);
c+=0.1;
for(int i=1; i<height/num; i++) {
float x = (c%i)*i*i;
stroke(102);
line(0, i*num, x, i*num);
noStroke();
rect(x, i*num-num/2, 8, num);
}
}
</script><canvas width="200" height="200"></canvas></p>
<div style="height:0px;width:0px;overflow:hidden;"></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>
int num = 20;
float c;
void setup()
{
size(200,200);
fill(255);
frameRate(30);
}
void draw()
{
background(0);
c+=0.1;
for(int i=1; i<height/num; i++) {
float x = (c%i)*i*i;
stroke(102);
line(0, i*num, x, i*num);
noStroke();
rect(x, i*num-num/2, 8, num);
}
}</pre>
</body>
</html>