Ellipse Tracker

//This value specifies where in the ellipse orbit

//your object is, from 0 to 2*PI

float val;

float val2;

int count;

boolean run = true;

​

//The speed your object moves at along the orbit

float speed = random(0.01, 0.4);

float speed2 = random(0.01, 0.4);

​

void setup(){

  size(700, 700);

  background(51);

}

​

void draw(){

  //Calculate x and y as values between -1 and 1

  float x = sin(val);

  float y = cos(val);

  float x2 = sin(val2);

  float y2 = cos(val2);

  //Multiply x and y by the ellipses width and height

  x *= 200;

  y *= 200;

  x2 *= 300;

  y2 *= 300;

  //Move the centrepoint of the ellipse orbit where you want it

  x+= 350;

  y+= 350;

  x2+= 350;

  y2+= 350;

  //Update the value and draw

  if(run==true){

    stroke(255, 25);

    line(x, y, x2, y2);

    val += speed;

    val2 += speed2;

  }

  if(x>349 && x<351){

    if(y>439 && y<451){

      count++;

    }

  }

  //Use this to stop the program after a certain amount of full ellipses

  if(count==100){

    run = false;

  }

}