eyes_happy

12345678910111213141516171819202122232425262728293031323334353637383940
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

// 0x1306.dev · animation: eyes_happy · robot_eyes · 100ms
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void drawEyes(int lx, int ly, int lw, int lh, int lr,
              int rx, int ry, int rw, int rh, int rr) {
  display.fillRoundRect(lx - lw/2, ly - lh/2, lw, lh, lr, WHITE);
  display.fillRoundRect(rx - rw/2, ry - rh/2, rw, rh, rr, WHITE);
}

void drawFrame(int frame) {
  display.clearDisplay();
    int h[] = {28, 24, 18, 24};
    int y[] = {32, 34, 37, 34};
    drawEyes(32, y[frame], 38, h[frame], 8, 96, y[frame], 38, h[frame], 8);
    if (h[frame] < 28) {
      int flatten = (28 - h[frame]) / 2;
      display.fillRect(32-19, y[frame]-h[frame]/2, 38, flatten, BLACK);
      display.fillRect(96-19, y[frame]-h[frame]/2, 38, flatten, BLACK);
    }
  display.display();
}

void setup() {
  Wire.begin(21, 22);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
}

void loop() {
  for (int i = 0; i < 4; i++) {
    drawFrame(i);
    delay(100);
  }
}