Added Gravity Switch Game using HTML5

iamrahulmahato · Oct 25, 2024 · dce6977 · dce6977
1 parent ac13a15
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diff --git a/projects/Gravity Switch/index.html b/projects/Gravity Switch/index.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Gravity Switcher</title>
+    <link rel="stylesheet" href="styles.css">
+</head>
+<body>
+    <canvas id="gameCanvas"></canvas>
+    <div class="controls">
+        <button id="startButton">Start Game</button>
+        <button id="gravityButton" disabled>Switch Gravity</button>
+        <div id="gravityMeter">Gravity: Down</div>
+        <div id="score">Score: 0</div>
+    </div>
+    <script src="script.js"></script>
+</body>
+</html>
diff --git a/projects/Gravity Switch/script.js b/projects/Gravity Switch/script.js
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+const canvas = document.getElementById('gameCanvas');
+const ctx = canvas.getContext('2d');
+canvas.width = 400;
+canvas.height = 600;
+
+let player = {
+    x: canvas.width / 2 - 15,
+    y: canvas.height / 2 - 15,
+    width: 30,
+    height: 30,
+    speed: 3,
+    gravity: 0.5,
+    velocityY: 0,
+    isJumping: false,
+};
+
+let items = [];
+let score = 0;
+let isGravityDown = true;
+let gameStarted = false;
+
+function createItems() {
+    for (let i = 0; i < 5; i++) {
+        items.push({
+            x: Math.random() * (canvas.width - 20),
+            y: Math.random() * (canvas.height - 20),
+            width: 20,
+            height: 20,
+            collected: false
+        });
+    }
+}
+
+function update() {
+    ctx.clearRect(0, 0, canvas.width, canvas.height);
+
+    // Apply gravity
+    if (isGravityDown) {
+        player.velocityY += player.gravity;
+        player.y += player.velocityY;
+    } else {
+        player.velocityY -= player.gravity;
+        player.y -= player.velocityY;
+    }
+
+    // Check boundaries
+    if (player.y + player.height > canvas.height) {
+        player.y = canvas.height - player.height;
+        player.velocityY = 0;
+        player.isJumping = false;
+    } else if (player.y < 0) {
+        player.y = 0;
+        player.velocityY = 0;
+    }
+
+    // Draw player
+    ctx.fillStyle = '#61dafb';
+    ctx.fillRect(player.x, player.y, player.width, player.height);
+
+    // Draw items
+    items.forEach(item => {
+        if (!item.collected) {
+            ctx.fillStyle = 'gold';
+            ctx.fillRect(item.x, item.y, item.width, item.height);
+            checkCollision(item);
+        }
+    });
+
+    requestAnimationFrame(update);
+}
+
+function checkCollision(item) {
+    if (player.x < item.x + item.width &&
+        player.x + player.width > item.x &&
+        player.y < item.y + item.height &&
+        player.y + player.height > item.y) {
+        item.collected = true;
+        score += 10;
+        document.getElementById('score').innerText = `Score: ${score}`;
+    }
+}
+
+document.getElementById('gravityButton').addEventListener('click', () => {
+    isGravityDown = !isGravityDown;
+    document.getElementById('gravityMeter').innerText = `Gravity: ${isGravityDown ? 'Down' : 'Up'}`;
+});
+
+document.getElementById('startButton').addEventListener('click', () => {
+    if (!gameStarted) {
+        gameStarted = true;
+        document.getElementById('gravityButton').disabled = false;
+        createItems();
+        update();
+    }
+});
diff --git a/projects/Gravity Switch/styles.css b/projects/Gravity Switch/styles.css
@@ -0,0 +1,41 @@
+body {
+    margin: 0;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    height: 100vh;
+    background-color: #282c34;
+    color: white;
+    font-family: 'Arial', sans-serif;
+}
+
+canvas {
+    border: 1px solid white;
+    background-color: #333;
+}
+
+.controls {
+    margin-top: 10px;
+    text-align: center;
+}
+
+button {
+    padding: 10px 20px;
+    font-size: 16px;
+    cursor: pointer;
+    background-color: #61dafb;
+    border: none;
+    border-radius: 5px;
+    transition: background-color 0.3s;
+    margin: 5px;
+}
+
+button:hover {
+    background-color: #21a1f1;
+}
+
+#gravityMeter, #score {
+    margin-top: 10px;
+    font-size: 18px;
+}