/*
 * This ESP32 code is created by esp32io.com
 *
 * This ESP32 code is released in the public domain
 *
 * For more detail (instruction and wiring diagram), visit https://esp32io.com/tutorials/esp32-oled
 */

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // OLED width,  in pixels
#define SCREEN_HEIGHT 64 // OLED height, in pixels
#define vert 5
#define horiz 17
#define butt 18

int posx = 64;
int posy = 32;

// create an OLED display object connected to I2C
Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

void setup() {
  Serial.begin(9600);

  // initialize OLED display with I2C address 0x3C
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("failed to start SSD1306 OLED"));
    while (1);
  }

  delay(2000); // wait two seconds for initializing
  oled.setCursor(0, 0);
	oled.clearDisplay();
}

void loop() {

  oled.fillCircle(20, 55, 10, WHITE);
  oled.display();
  oled.fillCircle(20, 55, 5, BLACK);
  oled.display();
  oled.fillCircle(20, 40, 7, WHITE);
  oled.display();
  oled.fillCircle(20, 40, 4, BLACK);
  oled.display();    
  oled.fillCircle(20, 30, 5, WHITE);
  oled.display(); 
  oled.fillCircle(18, 30, 1, BLACK);
  oled.display();
  oled.fillCircle(22, 30, 1, BLACK);
  oled.display();
  oled.drawTriangle(80, 62, 128, 32, 104, 32, WHITE);
  oled.display();
}