processing4/web/reference/API/dot.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<root>
<name>. (dot)</name>

<category>Structure</category>

<subcategory></subcategory>

<usage>Web &amp; Application</usage>

<example>
<image></image>
<code>
// Declare and contruct two objects (h1, h2) from the class HLine
HLine h1 = new HLine(20, 1.0);
HLine h2 = new HLine(50, 5.0); 
 
void setup() { 
  size(200, 200); 
} 
 
void loop() {
  if(h2.speed &gt; 1.0) {
    h2.speed -= 0.01;
  } 
  h1.update(); 
  h2.update();  
} 
 
class HLine { 
  float ypos, speed; 
  HLine (float y, float s) {  
    ypos = y; 
    speed = s; 
  } 
  void update() { 
    ypos += speed; 
    if (ypos &gt; width) { 
      ypos = 0; 
    } 
    line(0, ypos, width, ypos); 
  } 
} 
</code>
</example>

<description>
Provides access to an object's methods and data. An object is an instance of a class and contains is a grouping of methods (object functions) and data (object variables and constants). The dot operator directs the program to the information encapsulated within an object.
</description>

<syntax>
<c>object</c>.<c>method()</c>
<c>object</c>.<c>data</c>
</syntax>

<parameter>
<label>object</label>
<description>the object you want to access</description>
</parameter>

<parameter>
<label>method()</label>
<description>method encapsulated in the object</description>
</parameter>

<parameter>
<label>data</label>
<description>variable or constant encapsulated in the object</description>
</parameter>

<returns></returns>

<related>
Object
</related>

<availability>1.0</availability>

<type>Operator</type>

<partof>PDE</partof>








</root>