// Practice: class button

Button b1, b2, b3, b4; //Declares the instances or objects of the class Button.

void setup()
{
  size(800, 600);
  b1= new Button( "Adam", 100, 100, 200, 155, 200);  //Defines the instances of the class Button. Variables take the place
  b2= new Button( "Steve", 200, 100, 255, 50, 100);  //of the dummy variables entered in the cosntructors.
  b3= new Button( "Carl", 300, 100, 50, 100, 255);
  b4= new Button( "Cancer", 400, 100, 150, 255, 100);
}

void draw()
{ 
  b1.show();
  b2.show();
  b3.show();
  b4.show();
}


  //Events
  void mousePressed()
  {
    background(255);
    if(b1.clicked( mouseX, mouseY))
    {
      background(0);
    }
    if(b2.clicked( mouseX, mouseY))
    {
      background(0);
    }
    if(b3.clicked( mouseX, mouseY))
    {
      background(0);
    }
    if(b4.clicked( mouseX, mouseY))
    {
      background(0);
    }
  }



class Button
{
  float x,y;
  float w=80, h=30;
  String s;
  int r,g,b;
  boolean action;
  
  
  
  
  //Constructors
  
  Button( String s, float x, float y) //Bread and butter constructor with size and text dummy variables.
  {
    this.s= s;
    this.x= x;
    this.y= y;
  }
  
  Button( String s, float x, float y, int r, int g, int b) //This Constructor allows you to enter color values. See button instantiation.
  {
    this.s= s;
    this.x= x;
    this.y= y;
    this.r= r;
    this.g= g;
    this.b= b;
  }
  
  void show()                      //Method to configure everything that will get displayed. Keeps the draw method clean.
  {
    fill(r,g,b);
    strokeWeight(3);
    rectMode(CORNER);
    rect( x,y, w, h, 100);         //The last parameter is the one that rounds the edges of buttons.
    strokeWeight(1);               //Strokeweight for text??
    fill(0);                       //Text color
    text( s, x+10, y+20 );         //Centers the text. S is the text entered w the instance.
  }
  
  boolean clicked( float xx, float yy)
  {
      background(0);
    if(xx > x && xx < x+w && yy > y && yy < y+h)
    {
      return true;
    }
    else return false;
  }
  

}