int n; //# of fish
float x, y; //position
float w , h; //fish size
float horizon=100;
float wX;
String myName = "Adam Kochen";
String gName = "Fish";
float fishX,fishM=5;

void setup () {
size(800,600);
//reset();
}

void draw() {
  noStroke();
  background(200,250,255); //sky
  fill(0,0,255);
  rect(0,horizon,width,height); //water
 //0-0 x = 600;
 //0-0 y = 300;
 //0-0 if(x-60*n < width){
  //0-0 }
 n=1;
 x=50;
 y=300;
 //y = y-random(1,5)+random(1,5);
  w= 25;
  h= 15;
  fishX=fishX+fishM;
  fish(fishX,y,w,h);
  if(fishX > width || fishX < 0){
  fishM = -fishM;
};
  
   wX=wX-4;
   fill(200,250,255);
   //--  fill(255,0,0);
   waves(wX,horizon,80,60); //moving waves
   //--  fill(0);
   waves(0,horizon,80,60); //still waves
  
  //test text
  fill(0);
  text("fishM "+fishM,10,10);
  text("fishX "+fishX,10,20);
  text("y "+y,10,30);
  text("w "+w,10,40);
  text("h "+h,10,50);
  text(myName + " - " + gName,300,10);
}


void fish(float x,float y,float w,float h )
{ 
  float tailX=w;
  //draw lead bird triangle
  ellipseMode(CENTER);//body
  fill(255);
  ellipse(x,y,w,h);
  //rect(x,y,10,10);
  triangle(x-tailX/2+5,y,tailX,y-h/1.5,tailX,y+h/1.5); //tail
  if(fishX > width || fishX < 0){tailX=-tailX;}
}
void wave(float wx, float wy, float ww, float wh){
  //--  fill(200,250,255);
  ellipse(wx,wy,ww,wh); //wave ellipse
  if(wx == 0) {wx = width;}
}

void waves(float wX, float wY, float wW, float wH){
  float horizonY = horizon;
  float xx = wX;
  //--  for( int l = 0; l < 800;l=l+7)
  for( xx=wX; xx<width+80; xx+=80)
  {
    wave(xx,wY,wW,wH);
    //--  xx = xx+80;
  }
}
    
/*void flock(int n,float x,float y,float w,float h){
  //followers
  float xx = x; 
  float yy = y; 
  float dy = w/200;
  float dx = h/5 ;
  float ww = w;
  float hh = h;
 
  for( int l = 1; l < n ; l++){
    bird( xx,y-dy, ww,hh );      // above
    bird( xx,y+dy, ww,hh );     // below
      // shrink bird        
      hh *= 0.9;           
      ww *= 0.95;
      //birds above and below
      xx=  xx - 2*w;
      dy = dy + h;
  }
}

void reset() {
  // reset
  n = int (random(4,7));
  x=  random(0,50);
  y=  random(0,horizon);
  w=  50;
  h=  20;
}

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