Snake vs pacman if snake catches pacman he grows if pacman hits snake he gets smaller's game

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No:47201

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Snake vs pacman if snake catches pacman he grows i..ALL
Developer User18896｜Date and time 24/2/27 18:05:19
Build time 13.381 sec｜Game capacity 2.893KB｜

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[PR]現在の売れ筋Kindle本ランキング

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```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Snake vs Pacman Game</title>
<style>
    body {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        margin: 0;
    }

canvas {
        border: 2px solid black;
    }
</style>
</head>
<body>
<canvas id="gameCanvas" width="400" height="400"></canvas>

let pacman = { x: 200, y: 200, radius: 10, color: "yellow" };
    let snake = { x: 50, y: 50, width: 20, height: 20, color: "green", dx: 0, dy: 0, speed: 1 };
    let snakeSize = 3;

function drawPacman() {
        ctx.beginPath();
        ctx.arc(pacman.x, pacman.y, pacman.radius, 0, Math.PI * 2);
        ctx.fillStyle = pacman.color;
        ctx.fill();
    }

function drawSnake() {
        ctx.fillStyle = snake.color;
        ctx.fillRect(snake.x, snake.y, snake.width, snake.height);
    }

function update() {
        snake.x += snake.dx * snake.speed;
        snake.y += snake.dy * snake.speed;

if (snake.x < 0) {
            snake.x = canvas.width - snake.width;
        }
        if (snake.x + snake.width > canvas.width) {
            snake.x = 0;
        }
        if (snake.y < 0) {
            snake.y = canvas.height - snake.height;
        }
        if (snake.y + snake.height > canvas.height) {
            snake.y = 0;
        }

if (snake.x < pacman.x + pacman.radius &&
            snake.x + snake.width > pacman.x - pacman.radius &&
            snake.y < pacman.y + pacman.radius &&
            snake.y + snake.height > pacman.y - pacman.radius) {

snakeSize++;
            pacman.x = Math.random() * canvas.width;
            pacman.y = Math.random() * canvas.height;
        }

draw();
    }

function draw() {
        ctx.clearRect(0, 0, canvas.width, canvas.height);

drawPacman();
        drawSnake();

if (snakeSize > 1) {
            for (let i = snakeSize - 1; i > 0; i--) {
                snake[i] = { x: snake[i - 1].x, y: snake[i - 1].y };
            }
        }

requestAnimationFrame(update);
    }

document.addEventListener("keydown", (event) => {
        switch (event.key) {
            case "ArrowUp":
                snake.dx = 0;
                snake.dy = -1;
                break;
            case "ArrowDown":
                snake.dx = 0;
                snake.dy = 1;
                break;
            case "ArrowLeft":
                snake.dx = -1;
                snake.dy = 0;
                break;
            case "ArrowRight":
                snake.dx = 1;
                snake.dy = 0;
                break;
        }
    });

update();
</script>
</body>
</html>
```