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

// TFT parameters
#define TFT_CS 10
#define TFT_RST 9
#define TFT_DC 8

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

#define TFT_WIDTH 320
#define TFT_HEIGHT 240
#define SQUARE_SIZE 20

void setup() {
  tft.begin();
  tft.setRotation(3); // Adjust if necessary
  tft.fillScreen(ILI9341_BLACK);
  
  drawSquares();
  drawAttractiveDesign();
}

void loop() {
  // Main loop can remain empty
}

void drawSquares() {
  for (int sideLength = 200; sideLength > 0; sideLength -= 20) {
    drawRainbowBackground();

    // Draw the square in red
    int x = TFT_WIDTH / 2 - sideLength / 2;
    int y = TFT_HEIGHT / 2 - sideLength / 2;
    tft.fillRect(x, y, sideLength, sideLength, ILI9341_RED);
    delay(500);

    // Clear the square by filling it with the background color
    tft.fillRect(x, y, sideLength, sideLength, ILI9341_BLACK);
  }
}

void drawAttractiveDesign() {
  for (int i = 0; i < 35; i++) {
    uint16_t randomColor = tft.color565(random(255), random(255), random(255));
    int x = TFT_WIDTH / 2;
    int y = TFT_HEIGHT / 2;

    tft.drawCircle(x, y, 100, randomColor);
    delay(100);
    tft.fillScreen(ILI9341_BLACK);
  }

  // Display text "by Arvind" in white color
  tft.setCursor(TFT_WIDTH / 2 - 30, TFT_HEIGHT - 20);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("by Arvind");

tft.setCursor(TFT_WIDTH / 2 +80, TFT_HEIGHT +80);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("by Arvind");




}

void drawRainbowBackground() {
  for (int i = 0; i < TFT_WIDTH; i++) {
    float hue = (float)i / TFT_WIDTH;
    uint16_t color = tft.color565(hue * 255, 255, 255 * (1 - hue)); // Simplified HSV to RGB conversion
    tft.drawLine(i, 0, i, TFT_HEIGHT, color);
  }
  delay(500);
}