gogogo
commited on
Update index.html
Browse files- index.html +314 -18
index.html
CHANGED
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@@ -1,19 +1,315 @@
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<html>
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| 1 |
+
<!DOCTYPE html>
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| 2 |
<html>
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| 3 |
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<head>
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<meta charset="UTF-8">
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| 5 |
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<title>Space Shooter</title>
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<style>
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body {
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margin: 0;
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overflow: hidden;
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background: black;
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display: flex;
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justify-content: center;
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align-items: center;
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height: 100vh;
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font-family: Arial;
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color: white;
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| 17 |
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}
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#gameCanvas {
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border: 2px solid white;
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background-image:
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radial-gradient(white 1px, transparent 0),
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radial-gradient(white 1px, transparent 0);
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background-size: 50px 50px;
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| 25 |
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background-position: 0 0, 25px 25px;
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| 26 |
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display: none;
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}
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#menu {
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text-align: center;
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}
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.difficulty-btn {
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padding: 10px 20px;
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| 35 |
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margin: 10px;
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| 36 |
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font-size: 18px;
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| 37 |
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cursor: pointer;
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| 38 |
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background: #333;
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| 39 |
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color: white;
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border: 2px solid white;
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border-radius: 5px;
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}
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.difficulty-btn:hover {
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background: #555;
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}
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#score {
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position: absolute;
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top: 20px;
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left: 20px;
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font-size: 24px;
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}
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| 54 |
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| 55 |
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#gameOver {
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position: absolute;
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| 57 |
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font-size: 48px;
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| 58 |
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text-align: center;
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| 59 |
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display: none;
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| 60 |
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}
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| 61 |
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</style>
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| 62 |
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</head>
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| 63 |
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<body>
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| 64 |
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<div id="menu">
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| 65 |
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<h1>Space Shooter</h1>
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| 66 |
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<h2>Select Difficulty:</h2>
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| 67 |
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<button class="difficulty-btn" onclick="startGame('easy')">Easy</button>
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| 68 |
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<button class="difficulty-btn" onclick="startGame('medium')">Medium</button>
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| 69 |
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<button class="difficulty-btn" onclick="startGame('hard')">Hard</button>
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| 70 |
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</div>
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| 71 |
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<div id="score">Score: <span id="scoreValue">0</span></div>
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| 72 |
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<canvas id="gameCanvas" width="800" height="600"></canvas>
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| 73 |
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<div id="gameOver">Game Over!<br>Press R to Restart</div>
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| 74 |
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| 75 |
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<script>
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| 76 |
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const canvas = document.getElementById('gameCanvas');
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| 77 |
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const ctx = canvas.getContext('2d');
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| 78 |
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const scoreEl = document.getElementById('scoreValue');
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| 79 |
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const gameOverEl = document.getElementById('gameOver');
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| 80 |
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const menuEl = document.getElementById('menu');
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| 81 |
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| 82 |
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let audioCtx;
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| 83 |
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let player = {
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| 84 |
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x: canvas.width/2,
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| 85 |
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y: 500,
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| 86 |
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speed: 5,
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| 87 |
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size: 30
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| 88 |
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};
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| 89 |
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let bullets = [];
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| 90 |
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let enemies = [];
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| 91 |
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let score = 0;
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| 92 |
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let gameOver = false;
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| 93 |
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let keys = {
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| 94 |
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left: false,
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| 95 |
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right: false
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| 96 |
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};
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| 97 |
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| 98 |
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let gameConfig = {
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| 99 |
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easy: {
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| 100 |
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enemySpeed: 2,
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| 101 |
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spawnRate: 0.01,
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| 102 |
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playerSpeed: 5
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| 103 |
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},
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| 104 |
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medium: {
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| 105 |
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enemySpeed: 3,
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| 106 |
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spawnRate: 0.02,
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| 107 |
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playerSpeed: 6
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| 108 |
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},
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| 109 |
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hard: {
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| 110 |
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enemySpeed: 4,
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| 111 |
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spawnRate: 0.03,
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| 112 |
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playerSpeed: 7
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| 113 |
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}
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| 114 |
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};
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| 115 |
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| 116 |
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let currentConfig;
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| 117 |
+
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| 118 |
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function startGame(difficulty) {
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| 119 |
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menuEl.style.display = 'none';
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| 120 |
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canvas.style.display = 'block';
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| 121 |
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currentConfig = gameConfig[difficulty];
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| 122 |
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player.speed = currentConfig.playerSpeed;
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| 123 |
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resetGame();
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| 124 |
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if (!audioCtx) {
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| 125 |
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audio = setupAudio();
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| 126 |
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}
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| 127 |
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}
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| 128 |
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| 129 |
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function setupAudio() {
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| 130 |
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audioCtx = new (window.AudioContext || window.webkitAudioContext)();
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| 131 |
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| 132 |
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function playNote(freq, startTime, duration) {
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| 133 |
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const osc = audioCtx.createOscillator();
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| 134 |
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const gain = audioCtx.createGain();
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| 135 |
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| 136 |
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osc.connect(gain);
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| 137 |
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gain.connect(audioCtx.destination);
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| 138 |
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| 139 |
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osc.type = 'square';
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| 140 |
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osc.frequency.setValueAtTime(freq, startTime);
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| 141 |
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| 142 |
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gain.gain.setValueAtTime(0.1, startTime);
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| 143 |
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gain.gain.exponentialRampToValueAtTime(0.01, startTime + duration);
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| 144 |
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| 145 |
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osc.start(startTime);
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| 146 |
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osc.stop(startTime + duration);
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| 147 |
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}
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| 148 |
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| 149 |
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function playBGM() {
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| 150 |
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const notes = [440, 523, 659, 784];
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| 151 |
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setInterval(() => {
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| 152 |
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if (!gameOver) {
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| 153 |
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playNote(notes[Math.floor(Math.random() * notes.length)],
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| 154 |
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audioCtx.currentTime,
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| 155 |
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0.1);
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| 156 |
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}
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| 157 |
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}, 200);
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| 158 |
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}
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| 159 |
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| 160 |
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function playShoot() {
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| 161 |
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playNote(880, audioCtx.currentTime, 0.1);
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| 162 |
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}
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| 163 |
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| 164 |
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playBGM();
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| 165 |
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return { playShoot };
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| 166 |
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}
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| 167 |
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| 168 |
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function drawPlayer() {
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| 169 |
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ctx.fillStyle = 'yellow';
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| 170 |
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ctx.beginPath();
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| 171 |
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for (let i = 0; i < 5; i++) {
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| 172 |
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const angle = (i * 4 * Math.PI) / 5 - Math.PI / 2;
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| 173 |
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const x = player.x + player.size * Math.cos(angle);
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| 174 |
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const y = player.y + player.size * Math.sin(angle);
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| 175 |
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i === 0 ? ctx.moveTo(x, y) : ctx.lineTo(x, y);
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| 176 |
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}
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| 177 |
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ctx.closePath();
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| 178 |
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ctx.fill();
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| 179 |
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}
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| 180 |
+
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| 181 |
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function createEnemy() {
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| 182 |
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if (Math.random() < currentConfig.spawnRate) {
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| 183 |
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enemies.push({
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| 184 |
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x: Math.random() * (canvas.width - 30) + 15,
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| 185 |
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y: -30,
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| 186 |
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speed: currentConfig.enemySpeed
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| 187 |
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});
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| 188 |
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}
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| 189 |
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}
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| 190 |
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| 191 |
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function updatePlayer() {
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| 192 |
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if (keys.left) {
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| 193 |
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player.x = Math.max(player.size, player.x - player.speed);
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| 194 |
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}
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| 195 |
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if (keys.right) {
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| 196 |
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player.x = Math.min(canvas.width - player.size, player.x + player.speed);
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| 197 |
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}
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| 198 |
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}
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| 199 |
+
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| 200 |
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function updateGame() {
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| 201 |
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updatePlayer();
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| 202 |
+
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| 203 |
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bullets = bullets.filter(bullet => {
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| 204 |
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bullet.y -= 8;
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| 205 |
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return bullet.y > 0;
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| 206 |
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});
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| 207 |
+
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| 208 |
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enemies = enemies.filter(enemy => {
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| 209 |
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enemy.y += enemy.speed;
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| 210 |
+
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| 211 |
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if (Math.abs(enemy.x - player.x) < 30 &&
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| 212 |
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Math.abs(enemy.y - player.y) < 30) {
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| 213 |
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gameOver = true;
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| 214 |
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gameOverEl.style.display = 'block';
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| 215 |
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}
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| 216 |
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| 217 |
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return enemy.y < canvas.height;
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| 218 |
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});
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| 219 |
+
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| 220 |
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bullets.forEach((bullet, bi) => {
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| 221 |
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enemies.forEach((enemy, ei) => {
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| 222 |
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if (Math.abs(bullet.x - enemy.x) < 30 &&
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| 223 |
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Math.abs(bullet.y - enemy.y) < 30) {
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| 224 |
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bullets.splice(bi, 1);
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| 225 |
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enemies.splice(ei, 1);
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| 226 |
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score += 100;
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| 227 |
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scoreEl.textContent = score;
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| 228 |
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}
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| 229 |
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});
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| 230 |
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});
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| 231 |
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| 232 |
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createEnemy();
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| 233 |
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}
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| 234 |
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| 235 |
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function draw() {
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| 236 |
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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| 237 |
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| 238 |
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drawPlayer();
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| 239 |
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| 240 |
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ctx.fillStyle = 'white';
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| 241 |
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bullets.forEach(bullet => {
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| 242 |
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ctx.fillRect(bullet.x - 2, bullet.y - 8, 4, 16);
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| 243 |
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});
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| 244 |
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| 245 |
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ctx.font = '30px Arial';
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| 246 |
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enemies.forEach(enemy => {
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| 247 |
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ctx.fillText('🐱', enemy.x - 15, enemy.y + 10);
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| 248 |
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});
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| 249 |
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}
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| 250 |
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| 251 |
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function gameLoop() {
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| 252 |
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if (!gameOver) {
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| 253 |
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updateGame();
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| 254 |
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draw();
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| 255 |
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requestAnimationFrame(gameLoop);
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| 256 |
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}
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| 257 |
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}
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| 258 |
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| 259 |
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function resetGame() {
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| 260 |
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player.x = canvas.width/2;
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| 261 |
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bullets = [];
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| 262 |
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enemies = [];
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| 263 |
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score = 0;
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| 264 |
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gameOver = false;
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| 265 |
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scoreEl.textContent = '0';
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| 266 |
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gameOverEl.style.display = 'none';
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| 267 |
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gameLoop();
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| 268 |
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}
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| 269 |
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| 270 |
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function returnToMenu() {
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| 271 |
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canvas.style.display = 'none';
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| 272 |
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menuEl.style.display = 'block';
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| 273 |
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gameOverEl.style.display = 'none';
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| 274 |
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}
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| 275 |
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| 276 |
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let audio;
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| 277 |
+
|
| 278 |
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document.addEventListener('keydown', (e) => {
|
| 279 |
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if (gameOver) {
|
| 280 |
+
if (e.key.toLowerCase() === 'r') {
|
| 281 |
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returnToMenu();
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| 282 |
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}
|
| 283 |
+
return;
|
| 284 |
+
}
|
| 285 |
+
|
| 286 |
+
switch(e.key) {
|
| 287 |
+
case 'ArrowLeft':
|
| 288 |
+
keys.left = true;
|
| 289 |
+
break;
|
| 290 |
+
case 'ArrowRight':
|
| 291 |
+
keys.right = true;
|
| 292 |
+
break;
|
| 293 |
+
case ' ':
|
| 294 |
+
bullets.push({
|
| 295 |
+
x: player.x,
|
| 296 |
+
y: player.y - 20
|
| 297 |
+
});
|
| 298 |
+
if (audio) audio.playShoot();
|
| 299 |
+
break;
|
| 300 |
+
}
|
| 301 |
+
});
|
| 302 |
+
|
| 303 |
+
document.addEventListener('keyup', (e) => {
|
| 304 |
+
switch(e.key) {
|
| 305 |
+
case 'ArrowLeft':
|
| 306 |
+
keys.left = false;
|
| 307 |
+
break;
|
| 308 |
+
case 'ArrowRight':
|
| 309 |
+
keys.right = false;
|
| 310 |
+
break;
|
| 311 |
+
}
|
| 312 |
+
});
|
| 313 |
+
</script>
|
| 314 |
+
</body>
|
| 315 |
+
</html><script async data-explicit-opt-in="true" data-cookie-opt-in="true" src="https://vercel.live/_next-live/feedback/feedback.js"></script>
|