Modify a text file: $/pisano.java

$/pisano.java

//pisano
float left=20, top=20, right=480, bottom=580;

Fish rob;
Fish tim;
Fish john;
//int many=5;
int many=3, toomany=200;
Fish[] school= new Fish [toomany] ;

void setup(){
  size (500,600);
  //background(100,100,100);
  reset();
}

void reset(){
  rob= new Fish();
  rob.name = "rob";
  tim= new Fish();
  tim.name = "tim";
  john= new Fish();
  john.name= "john";
  school[0]=  rob; 
  school[1]=  tim;
  school[2]=  john;
 /* school= new Fish[many];
  for (int j=0; j<many; j++){
    school[j]= new Fish ( j+"");
}*/
}

void draw(){//draws tank, calls show and move functions
  background (150,150,150);
  rectMode ( CORNERS );
  fill (25,100,200);
  rect (left,top,right, bottom);
  rob.move();
//  rob.show();
  tim.move();
//  tim.show();
  john.move();
//  john.show();
//  school[0].show();
//  school[1].show();
 for (int j=0; j<many; j++){
    school[j].show();
    school[j].move();
 }
}

class Fish{ ///class characteristics
 float x=150+random(-70,200), y=150+random(-70,200);
 float dx=random(-6,6);
 float dy=  random(-3,3);
 String name="XXX";
 float r, g, b; 
  float w= random (25,150);
  float h= random (10,50);
 
 //// CONSTRUCTOR ////
   Fish() {
     // Random color
    r= random (100,255);
    g= random (100,255);
    b= random (100,255);
     x=150+random(-70,200) ;
     y=150+random(-70,200);
     dx=random(-6,6);
     dy=random(-3,3);
   }
 
  void move(){ //moves fish
    x += dx;
    y += dy;
    if (x<left+(w/2) || x>right-(w/2)) dx= -dx;
    if (y<top+(h/2) || y>bottom-(h/2)) dy=-dy;
    dy=  dy + random( -0.5, +0.5 );
    if (abs(dy) > 10) dy /= 10;
  
        
}

void show(){ /// draws fish
    fill (r,g,b);
    ellipse (x,y,w,h);//body
    if ( dx>0 ) {
    triangle (x-w/2,y,x-(w/2)-30,y-10,x-(w/2)-30,y+10);//fin
    fill(255);
    ellipse (x+w/4,y-6,5,5);
   
  } else {
    triangle (x+w/2,y,x+(w/2)+30,y-10,x+(w/2)+30,y+10);
    fill (255);
    ellipse (x-w/4,y-6,5,5);
  }
   fill(0);
    text (name, x-25, y-5);
    
      
    
  }
}
void check(){
}
//keypressed(){

void keyPressed() {
  //// Handle keys
  if (key == 'q') exit();
  if (key == 'r') reset();
  if (key == 'F') { many--; if (many<0) many=0; }
  if (key == 'f') {
    if (many<toomany-1) {
      Fish baby=  new Fish();
      baby.show();
      school[many++]=  baby;
    } else {
      background(0);
    }
  }
 }