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

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

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

void setup() {
  Serial.begin(9600);
  tft.begin();
  tft.setRotation(3);  // Adjust the rotation if needed
  tft.fillScreen(ILI9341_BLACK);
}

void loop() {
  // Draw square with reducing side lengths and rainbow background
  for (int side_length = 200; side_length > 0; side_length -= 20) {
    // Change background to rainbow colors
    drawRainbowBackground();

    // Set the TFT color to red
    uint16_t color = tft.color565(255, 0, 0);

    // Draw the square
    tft.fillRect(tft.width() / 2 - side_length / 2, tft.height() / 2 - side_length / 2, side_length, side_length, color);
    delay(500);  // Adjust delay if needed

    // Clear the square by filling it with the background color
    tft.fillRect(tft.width() / 2 - side_length / 2, tft.height() / 2 - side_length / 2, side_length, side_length, ILI9341_BLACK);
  }

  // Draw attractive design from code2
  for (int i = 0; i < 35; ++i) {
    int randomRed = random(256);
    int randomGreen = random(256);
    int randomBlue = random(256);

    uint16_t randomColor = tft.color565(randomRed, randomGreen, randomBlue);

    tft.setTextColor(randomColor);
    tft.drawCircle(160, 120, 100, randomColor);
    tft.setRotation(3);  // Adjust the rotation if needed
    delay(100);  // Adjust the delay to control the drawing speed
    tft.fillScreen(ILI9341_BLACK);  // Clear the screen for the next circle
  }
}

void drawRainbowBackground() {
  // Draw rainbow background
  for (int i = 0; i < tft.width(); ++i) {
    int hue = map(i, 0, tft.width(), 0, 255);
    uint16_t color = tft.color565(hue, 255, 255);
    tft.drawFastVLine(i, 0, tft.height(), color);
  }
  delay(500);  // Adjust delay if needed
}