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

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

const byte buzzerpin = 6;
const byte startbuttonpin = 8;
const byte selectbuttonpin = 7;

unsigned long comeca = millis();
byte estado = 0;
byte estadocron = 0;
byte option = 2;
int timer = 10;
int megasena[6];

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

//Image figdados is 100x60
const unsigned char figdados [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 
	0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xff, 0x80, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x01, 0xe0, 0xff, 0xfe, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 
	0xe0, 0x7f, 0xfe, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xc0, 0xff, 0xff, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xe0, 0x7f, 0xff, 0x84, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xf0, 0xff, 0xfc, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x01, 0xf0, 0x7f, 0xff, 0xf8, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 
	0xf0, 0x7f, 0xff, 0xfc, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xf0, 0x7f, 0xff, 
	0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0xf8, 0x7f, 0xff, 0xff, 0x8f, 0x80, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x30, 0x7f, 0xff, 0xff, 0xf8, 0x7f, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x30, 0x3f, 0xff, 0xe3, 0xf0, 0x1f, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x3f, 0xff, 
	0xc3, 0xf8, 0x0f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0xff, 0xff, 0xc0, 0xfc, 0x0f, 
	0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xc0, 0xff, 0x3f, 0xf8, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x1f, 0xff, 0xfb, 0xc0, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x0f, 0xff, 0xe3, 0xf1, 0xff, 0xff, 0xff, 0xff, 0xff, 0x87, 0xc0, 0x00, 0x00, 0x07, 0xff, 
	0xe0, 0x7f, 0xff, 0xff, 0xfc, 0x03, 0xff, 0x00, 0xf0, 0x00, 0x00, 0x07, 0xff, 0xe0, 0x7f, 0xff, 
	0xff, 0xfe, 0x01, 0xff, 0xe0, 0xf8, 0x00, 0x00, 0x03, 0xff, 0xe0, 0x7f, 0xc0, 0xff, 0xff, 0xef, 
	0xff, 0xfc, 0x3e, 0x00, 0x00, 0x03, 0xf0, 0xf8, 0xff, 0x00, 0xff, 0xff, 0xe0, 0x7f, 0xf8, 0x03, 
	0x80, 0x00, 0x01, 0xf0, 0xff, 0xff, 0x01, 0xff, 0x9f, 0xc0, 0x0f, 0xfe, 0x03, 0xc0, 0x00, 0x00, 
	0xe0, 0x7f, 0xff, 0x03, 0xff, 0x9f, 0xe0, 0x0f, 0xff, 0xff, 0xf0, 0x00, 0x00, 0xf0, 0x7f, 0xff, 
	0xff, 0xff, 0x0f, 0xff, 0xff, 0xff, 0xe0, 0x38, 0x00, 0x00, 0x70, 0x7f, 0xff, 0xff, 0xfc, 0x4f, 
	0xff, 0x03, 0xff, 0xe0, 0x06, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xf8, 0xcf, 0xfc, 0x00, 0x7f, 
	0xf8, 0x03, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xe0, 0xff, 0xfe, 0x00, 0x3f, 0xff, 0x9f, 0x80, 
	0x00, 0x1f, 0xff, 0xff, 0x0f, 0x80, 0xff, 0xff, 0x80, 0x7f, 0xff, 0xff, 0xc0, 0x00, 0x0f, 0xff, 
	0xf8, 0x06, 0x00, 0xff, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x03, 0xff, 0xf8, 0x08, 0x00, 
	0xfe, 0x3f, 0xff, 0xff, 0xff, 0xc0, 0xc0, 0x00, 0x00, 0x1f, 0xf8, 0x60, 0x00, 0xee, 0x1f, 0xff, 
	0xff, 0xff, 0x00, 0x40, 0x00, 0x00, 0x00, 0x3f, 0xc0, 0x00, 0xe6, 0x1f, 0xe0, 0xff, 0xff, 0x00, 
	0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe3, 0x1f, 0x80, 0x7f, 0xfe, 0x00, 0x80, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0xe3, 0x1f, 0x00, 0x7f, 0xfe, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x61, 0x9e, 0x00, 0x7f, 0xfe, 0x03, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x31, 0x9e, 
	0x00, 0x7f, 0xff, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0xfe, 0x00, 0xff, 0xff, 
	0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x1f, 0xff, 0x01, 0xff, 0xff, 0xfe, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x01, 0x9f, 0xff, 0xdf, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7d, 0xff, 0xff, 0xff, 
	0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0xff, 0xff, 0xff, 0xf8, 0x30, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x18, 0x7f, 0xff, 0xff, 0xe0, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x0c, 0x7f, 0xff, 0xff, 0xe0, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x7c, 0x1f, 
	0xff, 0xc0, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x70, 0x0f, 0xff, 0xc0, 0x40, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xf0, 0x0f, 0xff, 0xe1, 0x80, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x01, 0xe0, 0x0f, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0xe0, 0x1f, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 
	0x7f, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xc0, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};

// image figcron, 100x60px
const unsigned char figcron [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xc0, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0xe0, 0x02, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00, 0xe0, 0x07, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0xe0, 0x03, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x70, 0x00, 0xe0, 0x01, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0xe0, 0x00, 0x00, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xc0, 0x1f, 0xff, 
	0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xb0, 0x7f, 0xff, 0xc1, 0xb8, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x3b, 0xff, 0xff, 0xf3, 0x9c, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x0e, 0x23, 0xfc, 0x07, 0xf8, 0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x0c, 0x0f, 0xc3, 0xf8, 0x7e, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x3f, 
	0xbf, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x7f, 0xbf, 0xcf, 0x80, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79, 0xff, 0xbf, 0xf3, 0xc0, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0xf3, 0xff, 0xbf, 0xf9, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0xe7, 0xff, 0xbf, 0xfc, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xec, 
	0xff, 0xbf, 0xe6, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xde, 0x7f, 0xbf, 0xcf, 
	0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x9f, 0x7f, 0xbf, 0x9f, 0x78, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xbf, 0xff, 0xbf, 0xff, 0xbc, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x07, 0x3f, 0xff, 0xbf, 0xff, 0x9c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 
	0x3f, 0xff, 0xbf, 0xff, 0x9c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x7f, 0xff, 0xbf, 
	0xff, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x7f, 0xff, 0xbf, 0xff, 0xde, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0xff, 0xff, 0xbf, 0xff, 0xee, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x0e, 0xff, 0xff, 0xbf, 0xff, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x0e, 0xff, 0xff, 0xbf, 0xff, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0xc3, 0xff, 
	0xbf, 0xf8, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0xff, 0xff, 0xff, 0xff, 0xee, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0xff, 0xff, 0xff, 0xff, 0xee, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x0f, 0x7f, 0xff, 0xff, 0xff, 0xde, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x07, 0x7f, 0xff, 0xff, 0xff, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x3f, 
	0xff, 0xff, 0xff, 0x9c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x3f, 0xff, 0xff, 0xff, 
	0x9c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xbf, 0xff, 0xff, 0xff, 0xbc, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x9f, 0x7f, 0xff, 0x9f, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x03, 0xde, 0x7f, 0xff, 0xcf, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 
	0xcc, 0xff, 0xff, 0xe6, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xe5, 0xff, 0xbf, 
	0xf4, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf7, 0xff, 0xbf, 0xf9, 0xe0, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf9, 0xff, 0xbf, 0xf3, 0xe0, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x7c, 0xff, 0xbf, 0xe7, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x3e, 0x3f, 0xbf, 0x8f, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x87, 
	0xfc, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xf0, 0x01, 0xfc, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xff, 0x1f, 0xf8, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x1f, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x03, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};


void setup() {
  Serial.begin(115200);
	pinMode(startbuttonpin, INPUT_PULLUP);
	pinMode(selectbuttonpin, INPUT_PULLUP);
	pinMode(buzzerpin, OUTPUT);
	randomSeed(analogRead(0));

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
    Serial.println(F("Display OLED desconectado"));
    for(;;);
  }
}

void loop() {

  switch (estado) {
    case 0:
      desenhamenu();
			estado = 1;
    break;
    case 1:
      cuidamenu();
    break;
    case 2:
		  display.clearDisplay();
  		display.display();
  		display.drawBitmap(14, 0, figcron, 100, 60, WHITE);
  		display.display();
			delay(2000);
  		display.clearDisplay();
  		mostra(timer);
  		display.display();
			estado = 4;
    break;
    case 3:
      display.clearDisplay();
  		display.display();
  		display.drawBitmap(14, 0, figdados, 100, 60, WHITE);
  		display.display();
  		delay(2000);
			mostradado(1);
			estado = 5;
    break;

		case 4:
			if (estadocron==0 && digitalRead(selectbuttonpin)==LOW){
				timer += 5;
				if (timer > 120) {timer = 10;}
				mostra(timer);
				cronometro(timer);
        delay(200);
			}
			if (estadocron==0 && digitalRead(startbuttonpin)==LOW){
        delay(100);
				estadocron = 1;
			}
			if (estadocron == 1) {
				cronometro(timer);
				if (digitalRead(startbuttonpin)==LOW) {
				estadocron = 0;
				}
			}
		break;
		
		case 5:
			if (digitalRead(startbuttonpin)==LOW){
				sorteia();
				tone(buzzerpin,700,50);
			}
		break;

		case 6:
      if (digitalRead(startbuttonpin) == LOW) {
        mega();
      }
      break;
  }
}


void desenhamenu() {
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(0, 15);
  display.print("Cronom.");
  display.drawChar(100, 15, 0x1B, 1, 0, 2);
  display.println();
  display.print("Dados");
  display.println();
  display.print("MegaSena");
  display.display();
}

void cuidamenu() {
  if (option == 2 && digitalRead(selectbuttonpin) == LOW) {
    option = 3;
    display.fillRect(99, 15, 12, 12, BLACK);
    display.drawChar(100, 30, 0x1B, 1, 0, 2);
    display.display();
    delay(200);
  }
  if (option == 3 && digitalRead(selectbuttonpin) == LOW) {
    option = 6;
    display.fillRect(99, 30, 12, 12, BLACK);
    display.drawChar(100, 50, 0x1B, 1, 0, 2);
    display.display();
    delay(200);
  }
  if (option == 6 && digitalRead(selectbuttonpin) == LOW) {
    option = 2;
    display.fillRect(99, 50, 12, 12, BLACK);
    display.drawChar(100, 15, 0x1B, 1, 0, 2);
    display.display();
    delay(200);
  }
  if (digitalRead(startbuttonpin) == LOW) {
    estado = option;
  }
}



void cronometro(int segs) {
	static int tempo = segs+1;
	if (estadocron == 1){
	if (millis()-comeca>=1000) {
		tempo--;
		mostra(tempo);
		comeca=millis();
		if (tempo <=5 && tempo!=0) {tone(buzzerpin,500,20);}
	}
	if (tempo==0) {
		tone(buzzerpin,700,100);
    delay(100);
		tempo = segs+1;
    estadocron = 0;
	}
	}
	else tempo = segs+1;
}

void mostra(int num){
    display.clearDisplay();
		display.setTextSize(4);
		if (num >=100) {
			display.setCursor(30, 15);
		}
		else if (num < 10) {
			display.setCursor(55, 15);
		}
		else {
			display.setCursor(45, 15);
		}
		display.print(num);
		display.display();
}

void sorteia() {
	for (int i=1; i<=15; i++) {
		int randNumber = random(1,7);
		mostradado(randNumber);
		delay(sq(i));
	}
}



void mostradado(int num) {
  display.clearDisplay();
	display.display();
	display.fillRoundRect(34,2,60,60,8,SSD1306_WHITE);

	switch (num) {
		case 1:
		display.fillCircle(64,32,5,SSD1306_BLACK);
		break;
		case 2:
		display.fillCircle(79,17,5,SSD1306_BLACK);
		display.fillCircle(49,47,5,SSD1306_BLACK);
		break;
		case 3:
		display.fillCircle(79,17,5,SSD1306_BLACK);
		display.fillCircle(64,32,5,SSD1306_BLACK);
		display.fillCircle(49,47,5,SSD1306_BLACK);
		break;
		case 4:
		display.fillCircle(49,17,5,SSD1306_BLACK);
		display.fillCircle(79,17,5,SSD1306_BLACK);
		display.fillCircle(49,47,5,SSD1306_BLACK);
		display.fillCircle(79,47,5,SSD1306_BLACK);
		break;
		case 5:
		display.fillCircle(49,17,5,SSD1306_BLACK);
		display.fillCircle(79,17,5,SSD1306_BLACK);
		display.fillCircle(64,32,5,SSD1306_BLACK);
		display.fillCircle(49,47,5,SSD1306_BLACK);
		display.fillCircle(79,47,5,SSD1306_BLACK);
		break;
		case 6:
		display.fillCircle(49,17,5,SSD1306_BLACK);
		display.fillCircle(79,17,5,SSD1306_BLACK);
		display.fillCircle(49,32,5,SSD1306_BLACK);
		display.fillCircle(79,32,5,SSD1306_BLACK);
		display.fillCircle(49,47,5,SSD1306_BLACK);
		display.fillCircle(79,47,5,SSD1306_BLACK);
		break;
	}
  display.display();
}

void mega() {
  for (int i = 0; i <= 5; i++) {
    megasena[i] = random(1, 61);

//verifica se tem algum número repetido e sorteia novamente
		if (i>0) {
			for (int j = 0; j < i; j++){
				if (megasena[i] == megasena[j]){
					i=i-1;
				}
			}
		}
  }
ordena();
mostramega();
}


void ordena() {
   int i, j, flag = 1;
   int temp;
   for (i = 1; (i <= 5) && flag; i++)
   {
      flag = 0;
      for (j = 0; j < 5; j++)
      {
         if (megasena[j + 1] < megasena[j])
         {
            temp = megasena[j];
            megasena[j] = megasena[j + 1];
            megasena[j + 1] = temp;
            flag = 1;
         }
      }
   }
}


void mostramega(){
	display.clearDisplay();
  display.setCursor(0, 16);
  for (int i = 0; i <= 5; i++) {
    display.print(megasena[i]);
    if (i<5) {display.print("-");}
    if (i==2) {
      display.println();
      display.println();
    }
  }
  display.display();
  delay(500);
}