Create a octopus game it's a platformer's game

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No:50308

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Create a octopus game it's a platformer
Developer User21294｜Date and time 24/3/8 10:16:04
Build time 9.948 sec｜Game capacity 3.703KB｜

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[PR]現在の売れ筋アプリランキング

Click here for free DL of the app version that can save data.

```html
<!DOCTYPE html>
<html>
<head>
    <title>Octopus Game</title>
    <style>
        #player {
            width: 50px;
            height: 50px;
            background-color: purple;
            position: absolute;
            bottom: 0;
            left: 0;
        }

.platform {
            width: 100px;
            height: 20px;
            background-color: green;
            position: absolute;
        }
    </style>
</head>
<body>
    <div id="player"></div>
    <div class="platform" style="bottom: 0; left: 200px;"></div>
    <div class="platform" style="bottom: 100px; left: 400px;"></div>
    <div class="platform" style="bottom: 200px; left: 600px;"></div>
    
    <script>
        const player = document.getElementById('player');
        const platforms = document.querySelectorAll('.platform');
        
        let playerBottom = 0;
        let playerLeft = 0;
        let isJumping = false;
        let gravity = 0.9;
        let isGameOver = false;
        
        function jump() {
            if (!isJumping) {
                isJumping = true;
                
                let upInterval = setInterval(() => {
                    if (playerBottom > 250) {
                        clearInterval(upInterval);
                        
                        let downInterval = setInterval(() => { 
                            if (playerBottom <= 0) {
                                clearInterval(downInterval);
                                isJumping = false;
                            } else {
                                playerBottom -= gravity;
                                player.style.bottom = `${playerBottom}px`;
                            }
                        }, 20);
                    } else {
                        playerBottom += 30;
                        player.style.bottom = `${playerBottom}px`;
                    }
                }, 20);
            }
        }
        
        function moveLeft() {
            if (playerLeft > 0) {
                playerLeft -= 10;
                player.style.left = `${playerLeft}px`;
            }
        }
        
        function moveRight() {
            if (playerLeft < window.innerWidth - player.offsetWidth) {
                playerLeft += 10;
                player.style.left = `${playerLeft}px`;
            }
        }
        
        document.addEventListener('keydown', (event) => {
            if (event.key === ' ') {
                jump();
            }
            if (event.key === 'a') {
                moveLeft();
            }
            if (event.key === 'd') {
                moveRight();
            }
        });
        
        function gameLoop() {
            if (!isGameOver) {
                platforms.forEach(platform => {
                    let platformLeft = parseInt(platform.style.left);
                    
                    if (platformLeft > 0) {
                        platform.style.left = `${platformLeft - 3}px`;
                    } else {
                        platform.style.left = `${window.innerWidth}px`;
                    }
                    
                    if (platformLeft < playerLeft + player.offsetWidth && platformLeft + platform.offsetWidth > playerLeft && 
                        playerBottom < platform.offsetHeight) {
                        isGameOver = true;
                        alert('Game Over! You were caught by an octopus.');
                        player.style.backgroundColor = 'red';
                    }
                });
                
                requestAnimationFrame(gameLoop);
            }
        }
        
        gameLoop();
    </script>
</body>
</html>
```