#include <U8g2lib.h>
#include <Wire.h>


U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2(U8G2_R0, /* clock=*/ SCL, /* data=*/ SDA, /* reset=*/ U8X8_PIN_NONE);

int x_1 = 28;             // for "subscribe to" text coordinates
int x_3 = -80;            // for "subscribe to" text coordinates

int x_2 = 22;             //for "Ware Explained" text coordinates
int x_4 = -90;            //for "Ware Explained" text coordinates

void setup() {
  Serial.begin(9600);
  u8g2.begin();


}
void loop() {
  u8g2.clearBuffer(); 
  u8g2.setFontMode(1);
  u8g2.setBitmapMode(1);

  
  u8g2.setFont(u8g2_font_6x12_tr);
  
  if(x_1 >= 127){                               //for text "subscribe to"
    x_1 =-80;
  }
  if(x_3 >= 127) {
    x_3 = -80;
  }
  
  if( x_1 <= 127) {                           //reset first text in same row
    x_1++;
    Serial.print("first text reset1: ");
    Serial.println(x_1);
    u8g2.drawStr(x_1, 16, "Subscribe to");   
  }
  if(x_3 <= 127){                           //reset first text in same row
    x_3++;
    Serial.print("first text reset2: ");
    Serial.println(x_3);
    u8g2.drawStr(x_3, 16, "Subscribe to");
  }                                            //for text "subscribe to"
  

  if(x_2 >= 127){                             //for text "ware explained"
    x_2 =-80; 
  }
  if(x_4 >= 127) {
    x_4 = -80;
  }
  
  if( x_2 <= 127) {
    x_2++;
    Serial.print("second text reset1: ");
    Serial.println(x_2);
    u8g2.drawStr(x_2, 23, "Ware Explained");
  }
  if(x_4 <= 127){
    x_4++;
    Serial.print("second text reset2: ");
    Serial.println(x_4);
    u8g2.drawStr(x_4, 23, "Ware Explained");
  }                                           //for text "ware explained"


//yellow color section
  u8g2.drawLine(0, 0, 127, 0);        //horiztonal upper
  u8g2.drawLine(0, 0, 0, 6);          //vertical left
  u8g2.drawLine(127, 0, 127, 6);      //vertical right
//blue color section
  u8g2.drawLine(0, 24, 126, 24);      //horizontal upper  
  u8g2.drawLine(0, 63, 126, 63);      //horizontal lower
  u8g2.drawLine(0, 63, 0, 24);        //vertical left
  u8g2.drawLine(127, 63, 127, 24);     //vertical right    

  u8g2.setFont(u8g2_font_t0_13_tr);
  u8g2.drawStr(5, 45, "wareexplained.com");
  
  u8g2.sendBuffer();
  Serial.println("============");
}