ObjConstruct[] obj;
int numberOfPoints;
int segment = 25;
boolean redo = true;
String lines[];
String loc;
int useWords = 1;
/************************************************************/
void setup() {
  size (600,400);
  framerate(30);
  background(255);
  /*---------*/
  if (param("numberOfPoints") == null) {
    numberOfPoints = 400;
  }
  else {
    numberOfPoints =  Integer.parseInt( param("numberOfPoints") );
  }
  if (param("useWords") == null) {
    useWords = 0;
    numberOfPoints = 3000;
  }
  else {
    useWords =  Integer.parseInt( param("useWords") );
  }
  loc = param("loc");
  if (loc==null) loc="test.txt";
  lines  = loadStrings(loc);
  /*---------*/
  BFont metaBold;
  metaBold = loadFont("Garamond-BoldItalic.vlw.gz");
  textFont(metaBold, 16);
  /*---------*/
  //useWords = 1;
  //numberOfPoints = 600;
  /*---------*/
  obj = new ObjConstruct[numberOfPoints];
  for (int x=0;x<numberOfPoints;x++) {
    obj[x] = new ObjConstruct();
  }
  initFcu();
}
/************************************************************/
void initFcu() {
  for (int x=0;x<numberOfPoints;x++) {
    obj[x].x = int(Math.random()*width-5);
    obj[x].y = int(Math.random()*height-5);
    // determins the length of each segment
    obj[x].rinit = Math.random() * segment;
    // determins the angle of each segment
    obj[x].angle = Math.random() * TWO_PI;
    obj[x].colorValue = int(155 * Math.random() + 100);
    obj[x].isWord =  useWords;
    obj[x].d = int( Math.random() * 400);
    if (useWords == 1) {
      obj[x].word  = lines[int(lines.length *Math.random())];
    }
  }
}
/************************************************************/
void loop() {
  background(0);
  for (int x=0;x<numberOfPoints;x++) {
    obj[x].objRun();
  }
}
/************************************************************/
void mousePressed() {
  initFcu();
}
/************************************************************/
void mouseMoved() {
  for (int x=0;x<numberOfPoints;x++) {
    obj[x].objAlign();
  }
}
/************************************************************/
class ObjConstruct {
  float x;
  float y;
  float dx;
  float dy;
  double rinit;
  double angle;
  int colorValue;
  int isWord;
  String word;
  double d;
  /************************************************************/
  void objMake() {
    stroke(colorValue);
    fill(colorValue);
    // this is here for starting the lines in diff color
    if (isWord == 1) {
      if (d < 50 ) {
        fill(255);
      }
      else {
        fill(int(255/(d/50))+20);
      }
      push();
      translate(int(x), int(y));
      rotate(float(angle));
      text(word, 0, 0);
      pop();
    }
    else {
      if (d < 50 ) {
        stroke(255);
      }
      else {
        stroke(int(255/(d/50))+20);
      }
      line(int(x + rinit*Math.cos(angle)),int(y + rinit*Math.sin(angle)), int(x - rinit*Math.cos(angle)), int(y - rinit*Math.sin(angle)) );
    }
  }
  /************************************************************/
  void objAlign() {
    dx = mouseX - x;
    dy = mouseY - y;
    d = Math.sqrt(dx*dx + dy*dy);
    if (d<100) {
      //angle = TWO_PI - Math.atan2(dy/2, dx/2) ;
      angle = TWO_PI/(4) + Math.atan(dy/dx);
    }
    else {
      angle = TWO_PI/(1) + Math.atan(dy/dx);
    }
  }
  /************************************************************/
  void objRun() {
    rinit = Math.random() * segment;
    angle += (Math.random() * TWO_PI)/1000;
    objMake();
  }
}