. (dot) Structure Web & Application


// 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 > 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 > width) { 
      ypos = 0; 
    } 
    line(0, ypos, width, ypos); 
  } 
}

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. object.method() object.data object the object you want to access method() method encapsulated in the object data variable or constant encapsulated in the object Object 1.0 Operator PDE