PImage background;
float y = 0;
float scroll = width;

void setup() 
{
  size(768, 576);  // Size should be the first statement
  background(40,0,0);   // Set the background to dark red (0 is black)
  stroke(255);     // Set stroke color to white
  noLoop();      //add in to stop thing looping, add mousePressed() to switch looping on
  smooth();        //antialiasing for the vector graphics
  background = loadImage("nanotexture_pal.gif");
//flock
  colorMode(RGB,255,255,255,100);
  flock = new Flock();
  flockCell = new FlockCell();
  flockBod = new FlockBod();
  // Add an initial set of boids into the system, with their starting point related to width and height
  for (int i = 0; i < 30; i++) {
    flock.addBoid(new Boid(new Vector3D(0,0),2.0f,0.05f));  //width-200,height/1.5
  }
  // Add an initial set of boids2 into the system
  for (int j = 0; j < 12; j++) {
    flockCell.addBoid2(new Boid2(new Vector3Dcell(width/4,height-100),0.5f,0.1f));
  }
  // Add an initial set of boids3 into the system
  for (int k = 0; k < 5; k++) {
    flockBod.addBoid3(new Boid3(new Vector3Dbod(width/0.2,height/0.2),0.3f, 0.01f));
   }
}


void draw() 
{ 
// background(40,0,0); // Set the background to dark red (0 is black)
image(background, scroll, 0); 
// print (scroll);

scroll = scroll - 1; //change for speed of scroll
if (scroll < -1733) { //width of image - width of screen
//scroll = 768; 
println(scroll); 
image(background, scroll+2500, 0);
  if (scroll < -2500) {
   scroll = scroll+2500;
  }
} 


flock.run();
flockCell.run();
flockBod.run();

}

void mousePressed() 
{
    loop();
    flockBod.addBoid3(new Boid3(new Vector3Dbod(mouseX,mouseY), 0.3f,0.01f));
} 
  
/*    /// the vertical line scroll
  line(y, 0, y, height);  
  y = y - 4;  // change for speed
  if (y < 0) { 
    y = width; 
  } 
*/ 
 
//  draw_cell(360, 270, 100, 5);
//  draw_target(68, 434, 80, 3);


/*
void draw_target(int xloc, int yloc, int size, int num) 
{
  strokeWeight(1);
  stroke(204);
  float grayvalues = 255/num;
  float steps = size/num;
  for(int i=0; i<num; i++) {
    fill(i*grayvalues, 0, 0);
    ellipse(xloc, yloc, size-i*steps, size-i*steps);
  }
}

void draw_cell(float x1loc, float y1loc, int height, int num) 
{
  strokeWeight(1);
  stroke(80,0,0);
  float redvalues = 255/num;
  float steps = height/num;
  for(int i=0; i<num; i++) {
    fill(0, 0, i*redvalues);
    quad(x1loc+(height-i*steps), y1loc+(height-i*steps), x1loc+30+(height-i*steps), y1loc-20+(height-i*steps), x1loc+60+(height-i*steps), y1loc+20+(height-i*steps), x1loc+10+(height-i*steps), y1loc+40+(height-i*steps));
  }
}
*/

// NOTES
// line(200, 200, 400, 400);  //from xy to xy
// rect(110, 55, 40, 240);     //solid rectangle (top x left y width height)
// quad(360, 270, 420, 250, 440, 300, 400, 330);  //xytopleft, xytopright, xybottright, xybottleft

//these two lines below draws two rects reletive to mouse position
//  rect(width-mouseX, height-mouseY, 50, 50);
//  rect(mouseX, mouseY, 50, 50);