#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ILI9341.h> // Hardware-specific library

#define TFT_CS   10
#define TFT_DC   9
#define TFT_RST  8

#define TFT_WIDTH  240
#define TFT_HEIGHT 320

#define BALL_RADIUS 5

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST);

// Ball properties
int redBallX, redBallY;
int greenBallX, greenBallY;
int redBallSpeed = 1;   // Adjust speed as needed
int greenBallSpeed = 1; // Adjust speed as needed

void setup() {
  tft.begin();
  tft.setRotation(3); // Adjust the display orientation if needed

  // Set initial positions for the balls
  redBallX = TFT_WIDTH / 2;
  redBallY = TFT_HEIGHT / 2;
  
  greenBallX = TFT_WIDTH / 2;
  greenBallY = TFT_HEIGHT / 2;
  
  // Clear the screen and set the background color
  tft.fillScreen(ILI9341_BLACK);
  tft.fillRect(0, 0, TFT_WIDTH, TFT_HEIGHT, ILI9341_BLACK);

  // Add text at the bottom of the screen
  tft.setTextSize(2);
  tft.setTextColor(ILI9341_YELLOW);
  tft.setCursor(5, TFT_HEIGHT - 25);
  tft.println("by arvind patil 28/7/23");
}

void loop() {
  // Update the positions of the balls
  redBallY += redBallSpeed;
  greenBallX += greenBallSpeed;

  // Check for collision with screen boundaries and reverse direction
  if (redBallY - BALL_RADIUS < 0 || redBallY + BALL_RADIUS >= TFT_HEIGHT) {
    redBallSpeed *= -1;
  }
  
  if (greenBallX - BALL_RADIUS < 0 || greenBallX + BALL_RADIUS >= TFT_WIDTH) {
    greenBallSpeed *= -1;
  }

  // Clear previous ball positions
  tft.fillCircle(redBallX, redBallY - redBallSpeed, BALL_RADIUS, ILI9341_BLACK);
  tft.fillCircle(greenBallX - greenBallSpeed, greenBallY, BALL_RADIUS, ILI9341_BLACK);

  // Draw the balls at their new positions
  tft.fillCircle(redBallX, redBallY, BALL_RADIUS, ILI9341_RED);
  tft.fillCircle(greenBallX, greenBallY, BALL_RADIUS, ILI9341_GREEN);

  // Add a slight delay to control the animation speed
  delay(10);
}