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github verknüpfung und neuses snake

This commit is contained in:
2025-04-21 20:48:35 +02:00
parent 7013e330ac
commit 75aca82533
4 changed files with 234 additions and 46 deletions

View File

@ -1,51 +1,222 @@
<!DOCTYPE html>
<!-- saved from url=(0060)https://test.creative-crafter.de/programmieren/spiele/Snake/ -->
<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Snake Game</title>
<style>
body { display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; background-color: #000; }
canvas { border: 1px solid #fff; }
#startScreen { display: none; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: white; text-align: center; }
</style>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>Snake Game</title>
<style>
* { box-sizing: border-box; }
body {
margin: 0;
background: linear-gradient(135deg, #3498db, #9b59b6);
color: white;
font-family: "Coda", system-ui;
font-weight: 800;
font-style: normal;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
position: relative;
overflow: hidden;
}
canvas {
border: 4px solid #ffffff81;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
background-color: #2c3e5085;
}
#overlay {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
text-align: center;
display: none;
}
#overlay h1 {
font-size: 3em;
margin-bottom: 0.5em;
text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}
#scoreboard {
position: absolute;
top: 20px;
left: 20px;
font-size: 18px;
z-index: 2;
}
.score-text {
font-size: 1.5em;
font-weight: bold;
}
.highscore-text {
font-size: 1.5em;
font-weight: bold;
}
</style>
</head>
<body>
<canvas id="gameCanvas" width="400" height="400"></canvas>
<div id="startScreen" style="display: block;"><h1>Snake Game</h1><p>Press Space to Start</p></div>
<script>
const canvas = document.getElementById('gameCanvas'), ctx = canvas.getContext('2d'), startScreen = document.getElementById('startScreen');
const gridSize = 20; let snake = [{ x: 200, y: 200 }], direction = { x: 0, y: 0 }, food = { x: 0, y: 0 }, gameOver = false, gameStarted = false;
<canvas id="gameCanvas" width="400" height="400"></canvas>
<div id="scoreboard">
<div class="score-text">Score: <span id="score">0</span></div>
<div class="highscore-text">Highscore: <span id="highscore">0</span></div>
</div>
<div id="overlay">
<h1>Snake Game</h1>
<p>Press Space to Start</p>
</div>
const getRandomFoodPosition = () => ({ x: Math.floor(Math.random() * (canvas.width / gridSize)) * gridSize, y: Math.floor(Math.random() * (canvas.height / gridSize)) * gridSize });
const drawRect = (x, y, color) => { ctx.fillStyle = color; ctx.fillRect(x, y, gridSize, gridSize); };
const update = () => {
if (gameOver) return;
const head = { x: snake[0].x + direction.x, y: snake[0].y + direction.y };
if (head.x < 0 || head.x >= canvas.width || head.y < 0 || head.y >= canvas.height || snake.some(segment => segment.x === head.x && segment.y === head.y)) {
gameOver = true;
location.reload(); // Reload the page when the game is over
return;
}
snake.unshift(head);
if (head.x === food.x && head.y === food.y) food = getRandomFoodPosition(); else snake.pop();
};
const draw = () => { ctx.clearRect(0, 0, canvas.width, canvas.height); snake.forEach(segment => drawRect(segment.x, segment.y, 'lime')); drawRect(food.x, food.y, 'red'); };
const gameLoop = () => { update(); draw(); if (!gameOver) setTimeout(gameLoop, 100); };
const resetGame = () => { snake = [{ x: 200, y: 200 }]; direction = { x: 0, y: 0 }; food = getRandomFoodPosition(); gameOver = false; gameLoop(); };
<script>
const canvas = document.getElementById('gameCanvas');
const ctx = canvas.getContext('2d');
const overlay = document.getElementById('overlay');
const scoreDisplay = document.getElementById('score');
const highscoreDisplay = document.getElementById('highscore');
window.addEventListener('keydown', e => {
switch (e.key) {
case 'ArrowUp': case 'w': if (direction.y === 0) direction = { x: 0, y: -gridSize }; break;
case 'ArrowDown': case 's': if (direction.y === 0) direction = { x: 0, y: gridSize }; break;
case 'ArrowLeft': case 'a': if (direction.x === 0) direction = { x: -gridSize, y: 0 }; break;
case 'ArrowRight': case 'd': if (direction.x === 0) direction = { x: gridSize, y: 0 }; break;
case ' ': if (gameOver) resetGame(); else if (!gameStarted) { startScreen.style.display = 'none'; gameStarted = true; gameLoop(); } break;
}
});
const gridSize = 20;
let snake = [{ x: 200, y: 200 }];
let direction = { x: 0, y: 0 };
let nextDirection = { x: 0, y: -gridSize };
let food = {};
let score = 0;
let highscore = parseInt(localStorage.getItem('snakeHighscore')) || 0;
let gameRunning = false;
let gameOver = false;
let speed = 100;
let timeoutId;
food = getRandomFoodPosition();
startScreen.style.display = 'block';
</script>
highscoreDisplay.textContent = highscore;
</body></html>
function getRandomPosition() {
return {
x: Math.floor(Math.random() * (canvas.width / gridSize)) * gridSize,
y: Math.floor(Math.random() * (canvas.height / gridSize)) * gridSize
};
}
function placeFood() {
food = getRandomPosition();
while (snake.some(s => s.x === food.x && s.y === food.y)) {
food = getRandomPosition();
}
}
// Funktion zum Zeichnen eines abgerundeten Rechtecks (für die Snake)
function drawRoundedRect(x, y, width, height, radius, color) {
ctx.fillStyle = color;
ctx.beginPath();
ctx.moveTo(x + radius, y);
ctx.lineTo(x + width - radius, y);
ctx.arcTo(x + width, y, x + width, y + height, radius);
ctx.lineTo(x + width, y + height - radius);
ctx.arcTo(x + width, y + height, x + width - radius, y + height, radius);
ctx.lineTo(x + radius, y + height);
ctx.arcTo(x, y + height, x, y + height - radius, radius);
ctx.lineTo(x, y + radius);
ctx.arcTo(x, y, x + radius, y, radius);
ctx.closePath();
ctx.fill();
}
function update() {
direction = nextDirection;
const head = {
x: snake[0].x + direction.x,
y: snake[0].y + direction.y
};
if (
head.x < 0 || head.x >= canvas.width ||
head.y < 0 || head.y >= canvas.height ||
snake.some(segment => segment.x === head.x && segment.y === head.y)
) {
endGame();
return;
}
snake.unshift(head);
if (head.x === food.x && head.y === food.y) {
score++;
scoreDisplay.textContent = score;
placeFood();
} else {
snake.pop();
}
}
function draw() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
// Snake als abgerundetes Rechteck zeichnen
snake.forEach((segment, index) => {
const color = index === 0 ? 'limegreen' : 'darkgreen'; // Kopf grün, Rest dunkelgrün
drawRoundedRect(segment.x, segment.y, gridSize, gridSize, 5, color);
});
// Essen zeichnen
drawRoundedRect(food.x, food.y, gridSize, gridSize, 5, 'tomato');
}
function gameLoop() {
if (!gameRunning) return;
update();
draw();
timeoutId = setTimeout(gameLoop, speed);
}
function startGame() {
snake = [{ x: 200, y: 200 }];
direction = { x: 0, y: -gridSize };
nextDirection = { x: 0, y: -gridSize };
score = 0;
speed = 100; // Standard-Geschwindigkeit ohne Erhöhung
scoreDisplay.textContent = score;
gameOver = false;
gameRunning = true;
overlay.style.display = 'none';
placeFood();
gameLoop();
}
function endGame() {
gameRunning = false;
clearTimeout(timeoutId);
if (score > highscore) {
highscore = score;
localStorage.setItem('snakeHighscore', highscore);
highscoreDisplay.textContent = highscore;
}
overlay.innerHTML = '<h1>Game Over</h1><p>Press Space to Restart</p>';
overlay.style.display = 'block';
}
window.addEventListener('keydown', e => {
switch (e.key) {
case 'ArrowUp':
case 'w':
if (direction.y === 0) nextDirection = { x: 0, y: -gridSize };
break;
case 'ArrowDown':
case 's':
if (direction.y === 0) nextDirection = { x: 0, y: gridSize };
break;
case 'ArrowLeft':
case 'a':
if (direction.x === 0) nextDirection = { x: -gridSize, y: 0 };
break;
case 'ArrowRight':
case 'd':
if (direction.x === 0) nextDirection = { x: gridSize, y: 0 };
break;
case ' ':
if (!gameRunning) startGame();
break;
}
});
overlay.style.display = 'block';
</script>
</body>
</html>