// Project 3 
//professor Martin 
//Hugo Bonilla 
//CST 112 

int n;

float horizon; 
float x= 100; 
float y= 350;
float h= 10;
float w= 15;
float wavesX= -100;
float wavesY = horizon; 
float pairs = random (3,7);
float fishdirectionX = 2;
boolean negfdx = false; 

void setup(){
  size(500,600);
  horizon= height/4;
  reset(); 

}

void draw() { 
   scene();
   fishg ( n, x ,y ,w ,h);
   
   // title 
   textSize(17); 
   fill(0);
   text( "WAVES", width/2.5, 30); 
   textSize(15);
   text(" Hugo Bonilla", 20, height-20);
  
   //if ( wavesX > width+50) { 
   //wavesX= + 50;
   //}
   
   waves();
   //move fish 
x+= fishdirectionX;
if (x > width){ 
 fishdirectionX = -fishdirectionX ;
 negfdx =true; 
}

   }

void scene(){  
  //sky 
  background(118,217,255);
  fill(36,161,209);
  //Horizon 
  rectMode(CORNER); 
  rect(0,horizon, width, height*3);
  
  }
void waves(){
  // draw wave   
  noStroke();
  fill(118,217,255);
  ellipseMode(CENTER);
  //ellipse(wavesX, horizon,50, 30);
  // make wave loop 
  for ( float x= wavesX; x < width+30 ; x= x +75) {
  noStroke();
  ellipse( x , horizon, 75,40);
  wavesX+=1;
  if ( wavesX > 50 ){
    wavesX= -100;
    wavesX+=1;
  }
  stroke(1);
  
  }
}
// first fish 
void fish(float x, float y, float w, float h) { 
  fill(188,219,20);
  ellipse(x, y , w,h); 
  

}
// school of fish 
void fishg (int n, float x, float y, float w, float h){
    float xx= x; 
    float up =0;  
    float ww=w; 
    float dy = h/3;
    float yy= y;
    dy= h/3; 
    dy += h/3;
   //first fish 
    fish ( xx ,y ,w,h);
    
   // make school of fish
    for (int j=0;j<pairs;j++) {
      
    xx= xx-2*w;
    up=  up + h;
    ww=  ww * 0.8;
    fish ( xx ,y- up ,ww,h); // up 
    fish ( xx ,y+ up ,ww,h); // down 
    if(negfdx){
      
      fish(-xx,y- up, -ww,h);
      fish(-xx,y+ up,-ww ,h);
    }
  }
}


 




void reset() {  
  x=0;
  y= random(height/2, height); 
  pairs= int ( random(3,10));
  wavesX=0;
}

void keyPressed() {
  if (key =='r') reset();
}