float x;
float y;
float m;
float n;
float s;
float t;

int y_direction;
int x_direction;
int m_direction;
int n_direction;
int s_direction;
int t_direction;

float x_speed;
float y_speed;
float m_speed;
float n_speed;
float s_speed;
float t_speed;

void setup(){
  size(300,300);

  x_direction = 1;
  y_direction = 1;
  x_speed = 1.2;
  y_speed = 1.8;
  m_direction = 1;
  n_direction = 1;
  m_speed = 1.6;
  n_speed = 1.0;
  s_direction = 1;
  t_direction = 1;
  s_speed = 0.8;
  t_speed = 1.5;
}

void loop(){

  // zoka
  x = x + x_direction*x_speed;
  y = y + y_direction*y_speed;
  m = m + m_direction*m_speed;
  n = n + n_direction*n_speed;
  s = s + s_direction*s_speed;
  t = t + t_direction*t_speed;

  background(255,255,255);
  
  
  line(x,y,m,n);
  line(m,n,s,t);
  line(s,t,x,y);
  ellipseMode(CENTER_DIAMETER);
  fill(255,255,255);
  ellipse(x,y,30,30);
  fill(0,0,0);
  ellipse(m,n,50,50);
  fill(255,0,0);
  ellipse(s,t,10,10);

  //bounce
  if(x>300-30 || x<0){
    x_direction = x_direction*-1;
  }
  if(m>300-30 || m<0){
    m_direction = m_direction*-1;
  }
  if(s>300-30 || s<0){
    s_direction = s_direction*-1;
  }

  if (y> 300-30 || y<0){
    y_direction = y_direction* -1;
  }

  if (n> 300-30 || n<0){
    n_direction = n_direction* -1;

  }
  if (t >300-30 || t<0){
    t_direction = t_direction* -1;

  }
}