diya_flame

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#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

// 0x1306.dev · animation: diya_flame · 6 frames · 83ms
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
#define SCREEN_ADDRESS 0x3C

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

#define FRAME_COUNT 6
#define FRAME_DELAY 83

void drawFrame(int frame) {
  display.clearDisplay();

  int cx = 64;
  int cy = 40;
  
  // --- base ---
  display.drawFastHLine(cx - 15, cy + 12, 30, WHITE);
  display.drawFastHLine(cx - 10, cy + 14, 20, WHITE);

  // --- bowl ---
  display.fillRect(cx - 20, cy, 40, 6, WHITE);
  display.fillCircle(cx, cy + 6, 15, WHITE); // wait till mask
  display.fillRect(cx - 20, cy - 15, 40, 15, BLACK); // mask the top half of circle

  // --- wick ---
  display.drawFastVLine(cx, cy - 6, 6, WHITE);

  // --- flame ---
  int8_t flameX[] = { 0,  1, -1,  2, -2,  1};
  int8_t flameY[] = {-8, -9, -7, -8, -9, -7};
  int fx = cx + flameX[frame];
  int fy = cy + flameY[frame];
  
  display.fillCircle(fx, fy - 2, 6, WHITE);
  display.fillTriangle(fx - 6, fy - 2, fx + 6, fy - 2, fx, fy - 14, WHITE);

  display.display();
}

void setup() {
  Wire.begin(21, 22); // SDA=21, SCL=22 for ESP32 DevKit // change to 0x3D if display not found
  display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS);
  display.clearDisplay();
  display.display();
}

void loop() {
  for (int i = 0; i < FRAME_COUNT; i++) {
    drawFrame(i);
    delay(FRAME_DELAY);
  }
}