int r = 1;
int a = 0;
int b = 0;
float i = 0;
float lx, ly, lx2, ly2;
float x, y, x2, y2;
float t;

void setup()
{ 
  size(400,400); 
  background(0);
  stroke(255,70);
  drawShape(a,b);
}

void draw()
{
  if(mousePressed)
  {
  background(0);
  i = 0;
  a = mouseX/7;
  b = mouseY/7;
  drawShape(a,b);
  }
}

void drawShape(int a, int b)
{
  translate(width/2,height/2);
  rotate(PI/2);
  for(int i = 0; i<360; i++)
  {
  t = i*PI/180;
  lx = r*cos(a*t)*(width/3);
  ly = r*sin(b*t)*(height/3);
  x = r*cos(t)*(width/3);
  y = r*sin(t)*(height/3);
  curve(x,y,lx,ly,lx2,ly2,x2,y2);
  ellipse(lx,ly,3,3);
  ellipse(lx2,ly2,3,3);
  lx2 = r*cos(a*t)*(width/3);
  ly2 = r*sin(b*t)*(height/3);
  x2 = r*cos(t)*(width/3);
  y2 = r*sin(t)*(height/3);
  }
}