#include <U8g2lib.h>
U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);

int movey = 30;
bool le = 1;

void setup() {
  u8g2.begin();
}

void loop() {
  u8g2.firstPage();
  do {
    // u8g2.setFont(u8g2_font_ncenB14_tr);
    // u8g2.drawStr(0, 15, "Hello World!");

    u8g2.drawDisc(20, movey, 10, U8G2_DRAW_ALL);
    u8g2.drawBox(40, 20, 20, 20);
    u8g2.drawTriangle(80, 20, 100, 40, 80, 40);
    u8g2.drawHLine(0, 63, 127);

  } while ( u8g2.nextPage() );

  if (le == 1)   movey += 4;
  if (movey > 53) {
    le = 0;
  }
  if (le == 0)   movey -= 2;
  if (movey < 12) {
    le = 1;
    delay(80);
  }

}