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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>Color Swap</title> | ||
<link rel="stylesheet" href="styles.css"> | ||
</head> | ||
<body> | ||
<div id="gameContainer"> | ||
<canvas id="gameCanvas" width="400" height="600"></canvas> | ||
<div id="score">Score: 0</div> | ||
<div id="gameOverMessage">Game Over! You scored <span id="finalScore"></span> points!</div> | ||
</div> | ||
<button id="startButton" onclick="startGame()">Start</button> | ||
<script src="script.js"></script> | ||
</body> | ||
</html> | ||
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const canvas = document.getElementById('gameCanvas'); | ||
const ctx = canvas.getContext('2d'); | ||
const scoreDisplay = document.getElementById('score'); | ||
const gameOverMessage = document.getElementById('gameOverMessage'); | ||
const finalScore = document.getElementById('finalScore'); | ||
const startButton = document.getElementById('startButton'); | ||
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const canvasWidth = canvas.width; | ||
const canvasHeight = canvas.height; | ||
const characterSize = 20; | ||
const obstacleWidth = 60; | ||
const obstacleHeight = 20; | ||
const colors = ['red', 'blue', 'green', 'yellow']; | ||
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let characterX = canvasWidth / 2 - characterSize / 2; | ||
let characterY = canvasHeight - characterSize - 10; | ||
let characterColor = colors[Math.floor(Math.random() * colors.length)]; | ||
let obstacles = []; | ||
let score = 0; | ||
let gameInterval, obstacleInterval; | ||
let gameActive = false; | ||
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document.addEventListener('keydown', moveCharacter); | ||
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function moveCharacter(event) { | ||
if (!gameActive) return; | ||
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switch (event.key) { | ||
case 'ArrowLeft': | ||
characterX -= 20; | ||
if (characterX < 0) characterX = 0; | ||
break; | ||
case 'ArrowRight': | ||
characterX += 20; | ||
if (characterX > canvasWidth - characterSize) characterX = canvasWidth - characterSize; | ||
break; | ||
case 'ArrowUp': | ||
characterY -= 20; | ||
if (characterY < 0) characterY = 0; | ||
break; | ||
case 'ArrowDown': | ||
characterY += 20; | ||
if (characterY > canvasHeight - characterSize) characterY = canvasHeight - characterSize; | ||
break; | ||
} | ||
} | ||
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function createObstacle() { | ||
const x = Math.random() * (canvasWidth - obstacleWidth); | ||
const y = -obstacleHeight; | ||
const color = colors[Math.floor(Math.random() * colors.length)]; | ||
obstacles.push({ x, y, color }); | ||
} | ||
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function updateGame() { | ||
if (!gameActive) return; | ||
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ctx.clearRect(0, 0, canvasWidth, canvasHeight); | ||
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// Draw character | ||
ctx.fillStyle = characterColor; | ||
ctx.fillRect(characterX, characterY, characterSize, characterSize); | ||
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// Draw and move obstacles | ||
for (let i = 0; i < obstacles.length; i++) { | ||
const obstacle = obstacles[i]; | ||
obstacle.y += 2; | ||
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if (obstacle.y > canvasHeight) { | ||
obstacles.splice(i, 1); | ||
i--; | ||
continue; | ||
} | ||
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ctx.fillStyle = obstacle.color; | ||
ctx.fillRect(obstacle.x, obstacle.y, obstacleWidth, obstacleHeight); | ||
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// Check collision | ||
if ( | ||
characterX < obstacle.x + obstacleWidth && | ||
characterX + characterSize > obstacle.x && | ||
characterY < obstacle.y + obstacleHeight && | ||
characterY + characterSize > obstacle.y | ||
) { | ||
if (characterColor === obstacle.color) { | ||
score++; | ||
scoreDisplay.innerText = `Score: ${score}`; | ||
obstacles.splice(i, 1); | ||
i--; | ||
} else { | ||
gameOver(); | ||
return; | ||
} | ||
} | ||
} | ||
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// Change character color randomly | ||
if (Math.random() < 0.01) { | ||
characterColor = colors[Math.floor(Math.random() * colors.length)]; | ||
} | ||
} | ||
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function startGame() { | ||
score = 0; | ||
characterX = canvasWidth / 2 - characterSize / 2; | ||
characterY = canvasHeight - characterSize - 10; | ||
characterColor = colors[Math.floor(Math.random() * colors.length)]; | ||
obstacles = []; | ||
scoreDisplay.innerText = `Score: ${score}`; | ||
gameActive = true; | ||
gameOverMessage.style.display = 'none'; | ||
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clearInterval(gameInterval); | ||
clearInterval(obstacleInterval); | ||
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gameInterval = setInterval(updateGame, 20); | ||
obstacleInterval = setInterval(createObstacle, 1000); | ||
} | ||
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function gameOver() { | ||
gameActive = false; | ||
clearInterval(gameInterval); | ||
clearInterval(obstacleInterval); | ||
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finalScore.innerText = score; | ||
gameOverMessage.style.display = 'block'; | ||
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setTimeout(() => { | ||
gameOverMessage.style.display = 'none'; | ||
startGame(); | ||
}, 3000); | ||
} | ||
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startButton.addEventListener('click', () => { | ||
startButton.style.display = 'none'; | ||
startGame(); | ||
}); | ||
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body { | ||
margin: 0; | ||
display: flex; | ||
flex-direction: column; | ||
justify-content: center; | ||
align-items: center; | ||
height: 100vh; | ||
background-color: #000; | ||
font-family: 'Arial', sans-serif; | ||
color: #0f0; | ||
} | ||
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#gameContainer { | ||
position: relative; | ||
width: 400px; | ||
height: 600px; | ||
border: 2px solid #0f0; | ||
border-radius: 15px; | ||
background-color: #111; | ||
box-shadow: 0px 0px 20px #0f0; | ||
display: flex; | ||
justify-content: center; | ||
align-items: center; | ||
} | ||
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#gameCanvas { | ||
display: block; | ||
border-radius: 15px 15px 0 0; | ||
background-color: #222; | ||
box-shadow: inset 0px 0px 10px #0f0; | ||
} | ||
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#score { | ||
position: absolute; | ||
top: 10px; | ||
left: 10px; | ||
font-size: 20px; | ||
color: #0f0; | ||
text-shadow: 0px 0px 5px #0f0; | ||
} | ||
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#startButton { | ||
margin-top: 20px; | ||
padding: 10px 20px; | ||
background-color: #111; | ||
color: #0f0; | ||
border: 2px solid #0f0; | ||
border-radius: 5px; | ||
cursor: pointer; | ||
font-size: 16px; | ||
box-shadow: 0px 0px 10px #0f0; | ||
} | ||
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#startButton:hover { | ||
background-color: #0f0; | ||
color: #111; | ||
box-shadow: 0px 0px 20px #0f0; | ||
} | ||
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#gameOverMessage { | ||
display: none; | ||
position: absolute; | ||
top: 50%; | ||
left: 50%; | ||
transform: translate(-50%, -50%); | ||
padding: 20px; | ||
background-color: #111; | ||
color: #0f0; | ||
border: 2px solid #0f0; | ||
border-radius: 10px; | ||
font-size: 20px; | ||
text-align: center; | ||
box-shadow: 0px 0px 20px #0f0; | ||
z-index: 10; | ||
} | ||
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