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

#define TFT_RST  8
#define TFT_DC   9
#define TFT_CS   10
#define SUN_RADIUS 30
#define EARTH_RADIUS 10

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

void clearScreen() {
    tft.fillScreen(ILI9341_BLACK);
}

void drawSun(int x, int y, int radius) {
    tft.fillCircle(x, y, radius, ILI9341_RED); // Filled circle represents the Sun
}

void drawEarth(int sunX, int sunY, double angle) {
    int earthX = sunX + int(cos(angle) * (SUN_RADIUS + 30)); // Adjust the distance from the Sun
    int earthY = sunY + int(sin(angle) * (SUN_RADIUS + 30));

    tft.fillCircle(earthX, earthY, EARTH_RADIUS, ILI9341_BLUE); // Filled circle represents the Earth
}

void solarSystemAnimation(int numFrames, int frameDelay) {
    int sunX = tft.width() / 2;
    int sunY = tft.height() / 2;

    for (int i = 0; i < numFrames; i++) {
        double angle = i * 1.1; // Adjust the rotation speed by changing the multiplier
        clearScreen();
        drawSun(sunX, sunY, SUN_RADIUS);
        drawEarth(sunX, sunY, angle);
        delay(frameDelay);
    }
}

void setup() {
    tft.begin();
    tft.setRotation(3);
    tft.fillScreen(ILI9341_BLACK);

    clearScreen();
    solarSystemAnimation(360, 1000); // Earth revolving around the Sun for a full orbit with a delay of 20 milliseconds
}

void loop() {
    // Your main code (if any) goes here
}