297 lines
7.1 KiB
C++
297 lines
7.1 KiB
C++
#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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#include <math.h>
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#define SCREEN_WIDTH 128
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#define SCREEN_HEIGHT 32
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#define OLED_RESET -1
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Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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// Button and buzzer pins
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const int buttonPin = 7;
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const int buzzerPin = 8;
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unsigned long lastUpdate = 0;
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int remaining = 0;
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bool running = false;
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// ------------------------------------------------------------
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// Draw a star-shaped sparkle
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// ------------------------------------------------------------
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void drawStar(int x, int y) {
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display.drawPixel(x, y, SSD1306_WHITE);
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display.drawPixel(x - 1, y, SSD1306_WHITE);
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display.drawPixel(x + 1, y, SSD1306_WHITE);
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display.drawPixel(x, y - 1, SSD1306_WHITE);
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display.drawPixel(x, y + 1, SSD1306_WHITE);
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display.drawPixel(x - 1, y - 1, SSD1306_WHITE);
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display.drawPixel(x + 1, y - 1, SSD1306_WHITE);
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display.drawPixel(x - 1, y + 1, SSD1306_WHITE);
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display.drawPixel(x + 1, y + 1, SSD1306_WHITE);
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}
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// ------------------------------------------------------------
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// Draw a cat face (fits same 28px circle as smiley)
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// ------------------------------------------------------------
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void drawCatFace(int cx, int cy) {
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// Head outline
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display.drawCircle(cx, cy, 14, SSD1306_WHITE);
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// Ears
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display.drawLine(cx - 10, cy - 8, cx - 4, cy - 16, SSD1306_WHITE);
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display.drawLine(cx - 4, cy - 16, cx - 2, cy - 8, SSD1306_WHITE);
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display.drawLine(cx + 10, cy - 8, cx + 4, cy - 16, SSD1306_WHITE);
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display.drawLine(cx + 4, cy - 16, cx + 2, cy - 8, SSD1306_WHITE);
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// Eyes
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display.fillCircle(cx - 6, cy - 3, 2, SSD1306_WHITE);
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display.fillCircle(cx + 6, cy - 3, 2, SSD1306_WHITE);
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// Nose
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display.drawPixel(cx, cy + 1, SSD1306_WHITE);
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display.drawPixel(cx - 1, cy + 2, SSD1306_WHITE);
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display.drawPixel(cx + 1, cy + 2, SSD1306_WHITE);
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// Mouth
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display.drawPixel(cx - 2, cy + 4, SSD1306_WHITE);
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display.drawPixel(cx - 3, cy + 5, SSD1306_WHITE);
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display.drawPixel(cx + 2, cy + 4, SSD1306_WHITE);
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display.drawPixel(cx + 3, cy + 5, SSD1306_WHITE);
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// Whiskers
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display.drawLine(cx - 6, cy + 2, cx - 14, cy + 1, SSD1306_WHITE);
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display.drawLine(cx - 6, cy + 4, cx - 14, cy + 5, SSD1306_WHITE);
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display.drawLine(cx + 6, cy + 2, cx + 14, cy + 1, SSD1306_WHITE);
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display.drawLine(cx + 6, cy + 4, cx + 14, cy + 5, SSD1306_WHITE);
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}
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// ------------------------------------------------------------
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// Celebration animation with glow + sparkles (Smiley)
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// ------------------------------------------------------------
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void showSmiley() {
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int cx = 64;
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int cy = 16;
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unsigned long startTime = millis();
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// --- Sparkle burst ---
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for (int burst = 0; burst < 12; burst++) {
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display.clearDisplay();
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int sx, sy, dx, dy, dist;
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do {
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sx = random(0, 128);
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sy = random(0, 32);
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dx = sx - cx;
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dy = sy - cy;
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dist = sqrt(dx * dx + dy * dy);
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} while (dist < 22);
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drawStar(sx, sy);
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display.display();
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delay(60);
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}
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// --- Main animation ---
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while (millis() - startTime < 15000) {
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display.clearDisplay();
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float t = (millis() - startTime) * 0.008;
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int pulse = 2 + (sin(t) * 3);
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display.drawCircle(cx, cy, 14 + pulse, SSD1306_WHITE);
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display.drawCircle(cx, cy, 14, SSD1306_WHITE);
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// Eyes
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display.fillCircle(cx - 6, cy - 4, 2, SSD1306_WHITE);
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display.fillCircle(cx + 6, cy - 4, 2, SSD1306_WHITE);
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// Smile
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for (int angle = 20; angle <= 160; angle += 5) {
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float rad = angle * 0.0174533;
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int x = cx + cos(rad) * 10;
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int y = cy + sin(rad) * 10;
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display.drawPixel(x, y, SSD1306_WHITE);
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}
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// Sparkles
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for (int i = 0; i < 5; i++) {
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int sx, sy, dx, dy, dist;
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do {
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sx = random(0, 128);
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sy = random(0, 32);
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dx = sx - cx;
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dy = sy - cy;
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dist = sqrt(dx * dx + dy * dy);
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} while (dist < 22);
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drawStar(sx, sy);
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}
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display.display();
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delay(120);
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}
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display.clearDisplay();
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display.display();
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display.ssd1306_command(SSD1306_DISPLAYOFF);
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}
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// ------------------------------------------------------------
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// Celebration animation with glow + sparkles (Cat)
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// ------------------------------------------------------------
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void showCat() {
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int cx = 64;
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int cy = 16;
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unsigned long startTime = millis();
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// --- Sparkle burst ---
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for (int burst = 0; burst < 12; burst++) {
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display.clearDisplay();
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int sx, sy, dx, dy, dist;
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do {
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sx = random(0, 128);
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sy = random(0, 32);
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dx = sx - cx;
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dy = sy - cy;
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dist = sqrt(dx * dx + dy * dy);
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} while (dist < 22);
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drawStar(sx, sy);
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display.display();
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delay(60);
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}
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// --- Main animation ---
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while (millis() - startTime < 15000) {
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display.clearDisplay();
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float t = (millis() - startTime) * 0.008;
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int pulse = 2 + (sin(t) * 3);
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display.drawCircle(cx, cy, 14 + pulse, SSD1306_WHITE);
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drawCatFace(cx, cy);
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// Sparkles
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for (int i = 0; i < 5; i++) {
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int sx, sy, dx, dy, dist;
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do {
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sx = random(0, 128);
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sy = random(0, 32);
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dx = sx - cx;
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dy = sy - cy;
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dist = sqrt(dx * dx + dy * dy);
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} while (dist < 22);
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drawStar(sx, sy);
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}
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display.display();
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delay(120);
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}
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display.clearDisplay();
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display.display();
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display.ssd1306_command(SSD1306_DISPLAYOFF);
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}
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// ------------------------------------------------------------
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// Draw the horizontal countdown bar + digits
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// ------------------------------------------------------------
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void drawTimer() {
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display.clearDisplay();
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int barHeight = 32;
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int barWidth = 96;
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int currentWidth = map(remaining, 0, 90, 0, barWidth);
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display.fillRect(0, 0, currentWidth, barHeight, SSD1306_WHITE);
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display.setTextSize(2);
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display.setTextColor(SSD1306_WHITE);
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int digitX = 100;
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int digitY = 10;
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display.setCursor(digitX, digitY);
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display.print(remaining);
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display.display();
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}
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// ------------------------------------------------------------
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// Setup
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// ------------------------------------------------------------
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void setup() {
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pinMode(buttonPin, INPUT_PULLUP);
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pinMode(buzzerPin, OUTPUT);
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display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
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display.clearDisplay();
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display.setRotation(0);
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display.display();
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randomSeed(analogRead(A0)); // for random celebration
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}
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// ------------------------------------------------------------
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// Main loop
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// ------------------------------------------------------------
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void loop() {
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if (!running && digitalRead(buttonPin) == LOW) {
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remaining = 90;
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running = true;
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display.ssd1306_command(SSD1306_DISPLAYON);
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delay(200);
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}
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if (running) {
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unsigned long now = millis();
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if (now - lastUpdate >= 1000) {
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lastUpdate = now;
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remaining--;
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if (remaining > 0 && remaining <= 5) {
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tone(buzzerPin, 3000, 150);
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}
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else if (remaining > 0 && remaining % 10 == 0) {
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tone(buzzerPin, 2000, 150);
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}
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if (remaining <= 0) {
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running = false;
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// Random celebration
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if (random(0, 2) == 0)
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showSmiley();
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else
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showCat();
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}
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}
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drawTimer();
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}
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} |