void pent(float r)
{
  pushMatrix();
  scale(r);
  beginShape();
  vertex(0, 1);
  vertex(0.951056516f, 0.309016994f);
  vertex(0.587785252f, -0.809016994f);
  vertex(-0.587785252f, -0.809016994f);
  vertex(-0.951056516f, 0.309016994f);
  endShape(CLOSE);
  popMatrix();
}

void sept(float r)
{
  pushMatrix();
  scale(r);
  beginShape();
  vertex(-0.98f, -0.198997487f);
  vertex(-0.45f, -0.893028554f);
  vertex(0.45f, -0.893028554f);
  vertex(0.98f, -0.198997487f);
  vertex(0.8f, 0.6f);
  vertex(0, 1);
  vertex(-0.8f, 0.6f);
  endShape(CLOSE);
  popMatrix();
}

void diamond(float r)
{
  quad(-r, 0, 0, r, r, 0, 0, -r);
}

void cross(float r)
{
  line(-r, r, r, -r);
  line(-r, -r, r, r);
}