#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include <SPI.h>

// Pin connections for ESP32 and ILI9341
#define TFT_CS    15
#define TFT_DC    2
#define TFT_RST   4
#define TFT_MOSI  23
#define TFT_CLK   18
#define TFT_MISO  19

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST, TFT_MOSI, TFT_CLK, TFT_MISO);

// Ball parameters
int ballSize = 10;
int ballX = 50;
int ballY = 50;
int ballSpeedX = 2;
int ballSpeedY = 2;

void setup() {
  Serial.begin(115200);

  tft.begin();
  tft.setRotation(3); // Adjust the rotation if needed

  Serial.println("Initializing display...");

  // Fill the screen with a background color
  tft.fillScreen(ILI9341_BLACK);
}

void loop() {
  // Clear the previous position of the ball
  tft.fillCircle(ballX, ballY, ballSize, ILI9341_BLACK);

  // Update ball position
  ballX += ballSpeedX;
  ballY += ballSpeedY;

  // Bounce off the edges
  if (ballX < 0 || ballX > tft.width() - ballSize) {
    ballSpeedX = -ballSpeedX;
  }

  if (ballY < 0 || ballY > tft.height() - ballSize) {
    ballSpeedY = -ballSpeedY;
  }

  // Draw the ball at the new position
  tft.fillCircle(ballX, ballY, ballSize, ILI9341_GREEN);

  // Add a delay for the animation
  delay(20);
}