// Waves
// Yennifer Tejada

// declare the variables
float horizon;
float sunX = 10;
float sunY = 100;
float wavesX;
float wavesY = 350;

// declare the random RGB
float r;
float g;
float b;

float x;
float y;
float w;
float h;

// float birds
float bird1X, bird1Y = 10;
float bird2X, bird2Y = 20;
float bird3X, bird3Y = 35;
float bird4X, bird4Y = 50;
float bird5X, bird5Y = 60; 

// float fishes
float fish1X, fish1Y = 10;
float fish2X, fish2Y = 20;
float fish3X, fish3Y = 35;

int n;

void setup()
{
  size(900, 700);
  horizon = height/2;
  sunY = horizon/2;

  r = random(255);
  g = random(255);
  b = random(255);
}

void draw()
{
  scene();
  waves();
  sun();
  fill(0);
  fish();
  birds();
  grass();
}

// birds body
 void birds()
{
  bird1X += random(4, 6);
  bird2X += random(1, 3);
  bird3X += random(3, 5);
  bird4X += random(2, 5);
  bird5X += random(1, 2);

  if (bird1X > width - 20)
  {
    bird1X = 60;
    bird1Y = random (20, horizon);
  }

  if (bird2X > width - 20)
  {
    bird2X = 60;
    bird2Y = random (20, horizon);
  }

  if (bird3X > width - 20)
  {
    bird3X = 60;
    bird3Y = random (20, horizon);
  }

  if (bird4X > width - 20)
  {
    bird4X = 60;
    bird4Y = random (20, horizon);
  }

  if (bird5X > width - 20)
  {
    bird5X = 60;
    bird5Y = random (20, horizon);
  }
  
  fill(26, 139, 198);    
  drawBird(bird1X, bird1Y+5+random(5) );
  
  fill(41, 214, 103);
  drawBird(bird2X, bird2Y);
  
  fill(169, 203, 66);
  drawBird(bird3X, bird3Y);
  
  fill(27, 82, 219);
  drawBird(bird4X, bird4Y);

  fill(30, 70, 200);
  drawBird(bird5X, bird5Y);
}

// draw the 5 birds
void drawBird( float x, float y ) 
{
  triangle( x, y, x-60, y-10, x-60, y+10 );  
  
}

void scene()
{

  x += random(20);
  y = y + 10 - random(20);


  background(44, 151, 255);

  noStroke();
  fill(0, 68, 250);
  rect(0, horizon, width, height* 4/5);


  sunX = sunX + 1.5;

    
   // the speed of the waves
   wavesX = (wavesX +1) % 80;
   
   /*
   if(wavesX > width + 80)
   {
   
   wavesX = +width;
   }
*/
}

void reset()
{
  n = int (random(3, 10));
  x = random(width/2);
  y = random(height/2);
  w = random(10, 70);
  h = w/2;
}


// draw the waves that would move accross
void waves()
{
  fill(44, 151, 255);

  for (float x = wavesX - 100; x < width + 300; x += 80)
  {
    ellipse(x, wavesY, 80, 40);
  }
}

// Draw the sun going accross the screen
void sun()
{
  if (sunX > width)
  {
    sunX = 0;
    sunY = random (20, horizon-20);
  }

  // the sun and the rays
  fill(255, 255, 0);
  stroke(2);
  rect(sunX, sunY, 70, 5);
  rect(sunX, sunY, -70, 5);
  rect(sunX-2, sunY+25, 5, 40);
  rect(sunX-2, sunY-60, 5, 40);
  //rect(sunX-50,sunY,5,40);
  ellipse(sunX, sunY, 55, 55);
}


// draw the grass under the sea
void grass()
{
  float tilt= wavesX;
  if (wavesX<1)
  {
    tilt = -1;
  }

  for (float x = wavesX - 200; x < width + 80; x = x +60)
  {
    stroke(0, 255, 0);
    line(x, height, x+ 1*wavesX, height -40);
  }
}

// fish body
 void fish()
{
  fish1X += 6;
  fish2X +=2;
  fish3X += 3;


  if (fish1X > width - 20)
  {
    fish1X = 60;
    fish1Y = random (20, horizon);
  }

  if (fish2X > width - 20)
  {
    fish2X = 60;
    fish2Y = random (20, horizon);
  }

  if (fish3X > width - 20)
  {
    fish3X = 60;
    fish3Y = random (20, horizon);
  }

  
  fill(26, 139, 198);    
  drawFish(fish1X, fish1Y+5+random(5) );
  
  fill(41, 214, 103);
  drawFish(fish2X, fish2Y);
  
  fill(169, 203, 66);
  drawFish(fish3X, fish3Y);
  
}
//The 3 fishes
void drawFish(float x, float y)
{
  smooth(4);
  fill(r, g, b);
  ellipse(x-20, y+500, h+70, 10);
  ellipse(x, y+500, h+80, 40);
  
  // draw the eyes
  fill(0);
  ellipse(x+20, y+500, h+10, 10);
  
}


// when 'R' is pressed birds fly accross
void keyPressed()
{
  if (key== 'r') 
    reset();
}