//Nanette CST112
//Project 5 

float x, y;                  
float sidewalk;
int spacing=60;
int many=8;

String title= "Project 5";
String subtitle=  "Press 't' key to move tallest to end.";
String author=  "Nanette, CST112";


// ARRAY OF PERSONS//

Person [] people = new Person [many];
//SETUP: define screen size//
void setup() {
  size (600, 600 );
  x = 0;
  y = 0;   
  sidewalk = height/1.5;
  //--??  people= new Person (); 
  reset();
}
void reset() {
     for (int i=0; i<many; i++){
       people[i]=new Person ();
     }
}


//DRAW: sky, ground, house, tree, sun//
void draw() {
  background (135, 206, 250);          //sky
  scene();
  message();
  // Show all people.
  x=50;
  y=sidewalk;
  for (int i=0; i<many; i++) {
    people[i].show( x, y );
    x=  x + 50;
  }
} 

//SCENE:
void scene() {           

  fill (192, 192, 192 );
  rect ( 0, sidewalk, width, height-sidewalk );    //green ground
  stroke (255, 255, 255);
  fill (255, 255, 255);
  while (x <= width) {
    ellipse ( x+50, y+150, 50, 30);        //cloud    
    x = x + spacing;
  }
}


//MESSAGES: title and author 
void message() {
  fill (0);
  textSize(20);
  text (title, width/3, 20 );
  textSize(12);
  text (subtitle, width/3, 35 );
  text (author, 10, height -10 );
}

//// EVENT HANDLERS
void keyPressed() {
  if (key == 'q') exit();
  if (key == 'r') reset();
  if (key == 't') tall( people, many );
}
void tall( Person[] p, int m ) {
    //// Move tallest to end.
    int k=0;
    // Find tallest
    for( int j=1; j<many; j++ ) {
      if (p[j].tall > p[k].tall) {
        k=j;
      }
    }  
    // Move it to end (swap).
    Person save;
    save=  p[m-1];
    p[m-1]=  p[k];
    p[k]=  save;
}



//CLASS DEFINITIONS///

class Person {
  
  float r=255, g=0, b=0;

 // float x= random ( 50, 350);
 // float y= random (sidewalk, 250);
  //--int x= 50;
  //--int y= 50;
  int tall= int( random( 50, 150 ) );
  int wide= int( random( 15, 45 ) );
  
  // CONSTRUCTOR
  Person() {
    r=  random( 200 );
    g=  random( 200 );
    b=  random( 200 );
  }

  //Display People
  void show( float x, float y ) { 
    stroke ( 255, 0, 0 );
    fill ( r, g, b );  
    rect ( x, y, wide,-tall );
    float hh=tall/6;
    ellipse( x+wide/2, y-tall-hh/2, hh,hh*3/4 );
  }
}