// Define Screen Measures
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

//Include Libraries 
#include <Wire.h>                 // Bus I2C Library
#include <Adafruit_GFX.h>         // Graphic display Library
#include <Adafruit_SSD1306.h>     // SSD1306 Library

#define OLED_RESET 4      
Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);  // Create Object

// Variables of Triangule
int x = SCREEN_WIDTH / 2;
int y = 10;
int x2 = 10;
int y2 = SCREEN_HEIGHT - 10;
int x3 = SCREEN_WIDTH - 10;
int y3 = SCREEN_HEIGHT - 10;

// Variables of Circle
int centerX = SCREEN_WIDTH / 2;
int centerY = SCREEN_HEIGHT / 2;


void setup() {
  Wire.begin();                               // Start bus I2C
  oled.begin(SSD1306_SWITCHCAPVCC, 0x3C);    // Start display with 0x3C adresss
}
 
void loop() {

  oled.clearDisplay();

  // Fill Square
  oled.fillRect(40, 5, 50, 50, WHITE);
  oled.display();
  delay(500);

  // Color Text
  oled.clearDisplay();         // Clear Display
  oled.setTextSize(2);         // Set Size               
  oled.setTextColor(WHITE);     // Seth Color    
  oled.setCursor(30,20);       // Coordinates             
  oled.println("= red");       // Text
  oled.display();
  delay(1000);

  oled.clearDisplay();

  // Fill Circle
  oled.fillCircle(centerX, centerY, 25, WHITE);
  oled.display();
  delay(500);

  // Color Text
  oled.clearDisplay();
  oled.setTextSize(2);             
  oled.setTextColor(WHITE); 
  oled.setCursor(25,20);             
  oled.println("= blue");       
  oled.display();
  delay(1000);

  oled.clearDisplay();
  
  // Fill Triangle
  oled.fillTriangle(x, y, x2, y2, x3, y3, WHITE);
  oled.display();
  delay(500);

  // Color Text
  oled.clearDisplay();
  oled.setTextSize(2);             
  oled.setTextColor(WHITE);        
  oled.setCursor(15,20);             
  oled.println("= yellow");
  oled.display();
  delay(1000);

  // Text

  oled.clearDisplay();
  oled.setTextColor(WHITE);
  oled.setTextSize(2);
  oled.setCursor(30, 14);
  oled.print("Color");

  oled.setTextSize(1.5);
  oled.setCursor(30, 30);    
  oled.print("Combination");

  oled.display();
  delay(1000);

  // Square + Circle

  oled.clearDisplay();

  // Square
  oled.fillRect(40, 5, 50, 50, WHITE);
  oled.display();
  delay(500);

  oled.clearDisplay();
  oled.setTextSize(3);             
  oled.setTextColor(WHITE);        
  oled.setCursor(60,20);             
  oled.println("+");
  oled.display();
  delay(500);

  oled.clearDisplay();

  // Circle
  oled.fillCircle(centerX, centerY, 25, WHITE);
  oled.display();
  delay(500);

  oled.clearDisplay();

  oled.setTextSize(2);             
  oled.setTextColor(WHITE);        
  oled.setCursor(15,20);             
  oled.println("= purple");
  oled.display();
  delay(1000);

  // Square + Triangule

  oled.clearDisplay();

  // Square
  oled.fillRect(40, 5, 50, 50, WHITE);
  oled.display();
  delay(500);

  oled.clearDisplay();
  oled.setTextSize(3);             
  oled.setTextColor(WHITE);        
  oled.setCursor(60,20);             
  oled.println("+");
  oled.display();
  delay(500);

  oled.clearDisplay();

  // Triangule
  oled.fillTriangle(x, y, x2, y2, x3, y3, WHITE);
  oled.display();
  delay(500);

  oled.clearDisplay();

  oled.setTextSize(2);             
  oled.setTextColor(WHITE);        
  oled.setCursor(15,20);             
  oled.println("= orange");
  oled.display();
  delay(1000);

  // Circle + Triangule

  oled.clearDisplay();

  // Circle
  oled.fillCircle(centerX, centerY, 25, WHITE);
  oled.display();
  delay(500);

  oled.clearDisplay();
  oled.setTextSize(3);             
  oled.setTextColor(WHITE);        
  oled.setCursor(60,20);             
  oled.println("+");
  oled.display();
  delay(500);

  oled.clearDisplay();

  // Triangule
  oled.fillTriangle(x, y, x2, y2, x3, y3, WHITE);
  oled.display();
  delay(500);

  oled.clearDisplay();

  oled.setTextSize(2);             
  oled.setTextColor(WHITE);        
  oled.setCursor(18,20);             
  oled.println("= green");
  oled.display();
  delay(1000);
}