Chrome Dino Game

1#include <Adafruit_SSD1306.h>
2
3// made by ultramegabombastiucfuze on https://projecthub.arduino.cc/
4
5#define BUTTON_PIN 3  // button pin 
6
7// Game state variables
8bool isJumping = false;
9bool gameOver = false;
10int dinoY = 40;
11int velocity = 0;
12const int gravity = 2;
13const int groundY = 40;
14int cactusX1 = 128;
15int cactusX2 = 180;
16int gameSpeed = 3;
17unsigned long lastSpeedIncrease = 0;
18unsigned long lastFrame = 0;
19unsigned long score = 0;
20
21// Button debounce state
22bool buttonPressed = false;
23
24Adafruit_SSD1306 display(128, 64, &Wire, -1);
25
26void setup() {
27    pinMode(BUTTON_PIN, INPUT_PULLUP);  // Enable internal pull-up
28
29    if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
30        while (1);
31    }
32
33    display.clearDisplay();
34    display.display();
35    randomSeed(analogRead(0));  // Randomize cactus spawn
36}
37
38void loop() {
39    unsigned long currentTime = millis();
40    if (currentTime - lastFrame < 50) return;
41    lastFrame = currentTime;
42
43    int buttonState = digitalRead(BUTTON_PIN);
44
45    // --- GAME OVER & RESTART HANDLING ---
46    if (gameOver) {
47        if (buttonState == HIGH && !buttonPressed) {
48            buttonPressed = true;
49        }
50
51        if (buttonState == LOW && buttonPressed) {
52            buttonPressed = false;
53            resetGame();
54        }
55
56        return;
57    }
58
59    // --- JUMP HANDLING ---
60    if (buttonState == HIGH && !buttonPressed && dinoY == groundY) {
61        buttonPressed = true;
62        isJumping = true;
63        velocity = -13;
64    }
65    if (buttonState == LOW) {
66        buttonPressed = false;
67    }
68
69    // --- PHYSICS ---
70    if (isJumping) {
71        dinoY += velocity;
72        velocity += gravity;
73        if (dinoY >= groundY) {
74            dinoY = groundY;
75            isJumping = false;
76        }
77    }
78
79    // --- MOVE CACTI ---
80    cactusX1 -= gameSpeed;
81    cactusX2 -= gameSpeed;
82
83    if (cactusX1 < -10) {
84        cactusX1 = 128 + random(0, 40);
85        if (random(0, 10) > 6) cactusX2 = cactusX1 + random(15, 30);
86    }
87    if (cactusX2 < -10) {
88        cactusX2 = 128 + random(30, 60);
89    }
90
91    // --- SPEED UP ---
92    if (currentTime - lastSpeedIncrease > 3000) {
93        gameSpeed++;
94        lastSpeedIncrease = currentTime;
95    }
96
97    // --- SCORE ---
98    score++;
99
100    // --- DRAW SCENE ---
101    display.clearDisplay();
102    display.fillRect(10, dinoY, 10, 10, SSD1306_WHITE);        // Dino
103    display.fillRect(cactusX1, groundY, 10, 15, SSD1306_WHITE); // Cactus 1
104    display.fillRect(cactusX2, groundY, 10, 15, SSD1306_WHITE); // Cactus 2
105    display.drawLine(0, 58, 128, 58, SSD1306_WHITE);            // Ground
106    display.setTextSize(1);
107    display.setTextColor(SSD1306_WHITE);
108    display.setCursor(0, 0);
109    display.print("Score: ");
110    display.print(score / 10);
111    display.display();
112
113    // --- COLLISION DETECTION ---
114    bool hitCactus1 = (cactusX1 < 20 && cactusX1 > 5 && dinoY == groundY);
115    bool hitCactus2 = (cactusX2 < 20 && cactusX2 > 5 && dinoY == groundY);
116
117    if (hitCactus1 || hitCactus2) {
118        gameOver = true;
119        display.clearDisplay();
120        display.setTextSize(2);
121        display.setCursor(20, 20);
122        display.print("Game Over");
123        display.setTextSize(1);
124        display.setCursor(10, 45);
125        display.print("Press to restart");
126        display.display();
127    }
128}
129
130// --- RESTART GAME FUNCTION ---
131void resetGame() {
132    isJumping = false;
133    dinoY = groundY;
134    velocity = 0;
135    cactusX1 = 128;
136    cactusX2 = 180;
137    gameSpeed = 3;
138    score = 0;
139    gameOver = false;
140    lastSpeedIncrease = millis();
141    lastFrame = millis();
142    display.clearDisplay();
143    display.display();
144}