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

#define TFT_DC 2
#define TFT_CS 15
#define TFT_WIDTH 320
#define TFT_HEIGHT 240

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

void setup() {
  tft.begin();
  tft.setRotation(1);
  tft.fillScreen(ILI9341_BLACK);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
}

void loop() {
  while (true) {
    drawCombinedSignals();
    delay(100);
    tft.fillRect(0, 0, tft.width(), tft.height(), ILI9341_BLACK);
  }
}



void drawCombinedSignals() {
  int startX = 0; // Position de départ de la courbe

  while (startX < TFT_WIDTH) {
    tft.fillScreen(ILI9341_BLACK); // Effacer l'écran après chaque itération

    int x = startX;
    for (; x < TFT_WIDTH - 1; x++) {
      float y1 = calculateCombinedSignal(x);
      float y2 = calculateCombinedSignal(x + 1);
      tft.drawLine(x, y1, x + 1, y2, ILI9341_YELLOW);}

      

     
}}
float calculateCombinedSignal(float x) {
  float s3 = 0;
  int offset = 1;

  while (true) { // Boucle infinie
  float y1 = -(0.4 / 2.5) * exp(-pow((x - 12-offset), 2) / pow(6, 2));
  float y2 = -(0.5 / 5) * exp(-pow((x - 25.5-offset), 2) / pow(3, 2));
  float y3 = -(0.4 / 5) * exp(-pow((x - 35-offset), 2) / pow(2, 2));
  float y4 = (0.7 / 5) * exp(-pow((x - 40-offset), 2) / pow(2, 2));
  float y5 = -(0.6 / 9) * exp(-pow((x - 50-offset), 2) / 15);
  float y6 = -(0.7 / 3.0) * exp(-pow((x - 60-offset), 2) / pow(12, 2));
  s3+=y1 - y2 + y3 + y4 + y5 + y6;
  offset += 90;

    // Sortir de la boucle si nécessaire
    if (offset > 1000) {
      break; // Sortir de la boucle infinie lorsque offset dépasse 900
    }
  }

  return (s3) * 15 + TFT_HEIGHT / 2;
}