Line[] blackLines;
int howManyBlack = 300;

Line[] whiteLines;
int howManyWhite = 700;

float m = 0;
float r = random(90);
float ry = random(15);
float rs = random(2);
float rl;

//=====================================================

void setup() {
  size(640,480);
  background(0);
  smooth();

  blackLines = new Line[howManyBlack];
  for(int i = 0; i < howManyBlack; i++){

    r = random(30,250);
    ry = random(30);
    rl = random(5,40);
    rs = random(-1,1);

    blackLines[i] = new Line (r,ry,0,rs,rl);
  }

  whiteLines = new Line[howManyWhite];
  for(int i = 0; i < howManyWhite; i++){

    r = random(250);
    ry = random(30);
    rl = random(5,40);
    rs = random(-1,1);

    whiteLines[i] = new Line (r,ry,255,rs,rl);
  }

}

void draw(){
  background(0);
  if (mousePressed) {
    background(255);
  }

  for(int i = 0; i<howManyWhite; i++){

    whiteLines[i].display();
    whiteLines[i].rotato();

  }

  for(int i = 0; i<howManyBlack; i++){

    blackLines[i].display();
    blackLines[i].rotato();

  }



}




//============================================


class Line {
  //float deg;
  float speed;
  int direction;
  color colour;
  float x;
  float y;
  float rotAngle;
  float myLength;

  Line(float lineX, float lineY, color stro, float speedx, float myLength) {

    this.speed = speedx;
    this.x = lineX;
    this.y = lineY;
    this.colour = stro;
    this.rotAngle = random(radians(360));
    this.myLength = myLength;
  }

  void display() {

    stroke(this.colour);
    strokeWeight(4);



  }

  void rotato() {
    println(speed);
    this.rotAngle = this.rotAngle + (this.speed*.2);

    pushMatrix();
    translate(mouseX,mouseY);
    rotate(this.rotAngle);
    line(this.x, this.myLength /2, this.x, (this.myLength /2)*-1);    
    popMatrix();
  }


}