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<h3>PointsLines</h3>

<p>Constructing a simple dimensional form with lines and rectangles.

Changing the value of the variable 'd' scales the image.

The four variables set the positions based on the value of 'd'.</p>

<p><a href="http://processing.org/learning/basics/pointslines.html">Original Processing.org Example: PointsLines</a><br>

<div class="learning-demo"><script type="application/processing">

int d = 40;

int p1 = d;

int p2 = p1+d;

int p3 = p2+d;

int p4 = p3+d;

size(200, 200);

line(p3, p3, p2, p3);

line(p2, p3, p2, p2);

line(p2, p2, p3, p2);

line(p3, p2, p3, p3);

point(p1, p1);

point(p1, p3);

point(p2, p4);

point(p3, p1);

point(p4, p2);

point(p4, p4);

</script><canvas width="200" height="200"></canvas></div></p>

<div style="height:0px;width:0px;overflow:hidden;"></div>

<div class="code"><pre name="code" class="processing">// All Examples Written by Casey Reas</a> and Ben Fry</a>

// unless otherwise stated.

int d = 40;

int p1 = d;

int p2 = p1+d;

int p3 = p2+d;

int p4 = p3+d;

size(200, 200);

background(0);

// Draw gray box

stroke(153);

line(p3, p3, p2, p3);

line(p2, p3, p2, p2);

line(p2, p2, p3, p2);

line(p3, p2, p3, p3);

// Draw white points

stroke(255);

point(p1, p1);

point(p1, p3);

point(p2, p4);

point(p3, p1);

point(p4, p2);

point(p4, p4);</pre></div>