<!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>Objects</h2>
<p>by hbarragan
Move the cursor across the image to change the speed and positions
of the geometry. The class MRect defines a group of lines.</p>
<p><a href="http://processing.org/learning/basics/objects.html"><b>Original Processing.org Example:</b> Objects</a><br>
<script type="application/processing">
MRect r1, r2, r3, r4;
void setup()
{
size(200, 200);
fill(255, 204);
noStroke();
r1 = new MRect(1, 134.0, 0.532, 0.083*height, 10.0, 60.0);
r2 = new MRect(2, 44.0, 0.166, 0.332*height, 5.0, 50.0);
r3 = new MRect(2, 58.0, 0.332, 0.4482*height, 10.0, 35.0);
r4 = new MRect(1, 120.0, 0.0498, 0.913*height, 15.0, 60.0);
}
void draw()
{
background(0);
r1.display();
r2.display();
r3.display();
r4.display();
r1.move(mouseX-(width/2), mouseY+(height*0.1), 30);
r2.move((mouseX+(width*0.05))%width, mouseY+(height*0.025), 20);
r3.move(mouseX/4, mouseY-(height*0.025), 40);
r4.move(mouseX-(width/2), (height-mouseY), 50);
}
class MRect
{
int w; // single bar width
float xpos; // rect xposition
float h; // rect height
float ypos ; // rect yposition
float d; // single bar distance
float t; // number of bars
MRect(int iw, float ixp, float ih, float iyp, float id, float it) {
w = iw;
xpos = ixp;
h = ih;
ypos = iyp;
d = id;
t = it;
}
void move (float posX, float posY, float damping) {
float dif = ypos - posY;
if (abs(dif) > 1) {
ypos -= dif/damping;
}
dif = xpos - posX;
if (abs(dif) > 1) {
xpos -= dif/damping;
}
}
void display() {
for (int i=0; i<t; i++) {
rect(xpos+(i*(d+w)), ypos, w, height*h);
}
}
}
</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>
MRect r1, r2, r3, r4;
void setup()
{
size(200, 200);
fill(255, 204);
noStroke();
r1 = new MRect(1, 134.0, 0.532, 0.083*height, 10.0, 60.0);
r2 = new MRect(2, 44.0, 0.166, 0.332*height, 5.0, 50.0);
r3 = new MRect(2, 58.0, 0.332, 0.4482*height, 10.0, 35.0);
r4 = new MRect(1, 120.0, 0.0498, 0.913*height, 15.0, 60.0);
}
void draw()
{
background(0);
r1.display();
r2.display();
r3.display();
r4.display();
r1.move(mouseX-(width/2), mouseY+(height*0.1), 30);
r2.move((mouseX+(width*0.05))%width, mouseY+(height*0.025), 20);
r3.move(mouseX/4, mouseY-(height*0.025), 40);
r4.move(mouseX-(width/2), (height-mouseY), 50);
}
class MRect
{
int w; // single bar width
float xpos; // rect xposition
float h; // rect height
float ypos ; // rect yposition
float d; // single bar distance
float t; // number of bars
MRect(int iw, float ixp, float ih, float iyp, float id, float it) {
w = iw;
xpos = ixp;
h = ih;
ypos = iyp;
d = id;
t = it;
}
void move (float posX, float posY, float damping) {
float dif = ypos - posY;
if (abs(dif) > 1) {
ypos -= dif/damping;
}
dif = xpos - posX;
if (abs(dif) > 1) {
xpos -= dif/damping;
}
}
void display() {
for (int i=0; i<t; i++) {
rect(xpos+(i*(d+w)), ypos, w, height*h);
}
}
}</pre>
</body></html>