Adds a detailed parallax bird game to drawaria.online
当前为
// ==UserScript==
// @name Drawaria.online Bird Game
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Adds a detailed parallax bird game to drawaria.online
// @author YouTubeDrawaria
// @match https://drawaria.online/*
// @grant none
// @license MIT
// @icon https://drawaria.online/avatar/cache/86e33830-86ea-11ec-8553-bff27824cf71.jpg
// ==/UserScript==
(function() {
'use strict';
// Create a container for the game
const gameContainer = document.createElement('div');
gameContainer.id = 'gameContainer';
gameContainer.style.position = 'fixed';
gameContainer.style.top = '0';
gameContainer.style.left = '0';
gameContainer.style.width = '100vw';
gameContainer.style.height = '100vh';
gameContainer.style.zIndex = '1000';
gameContainer.style.pointerEvents = 'auto';
document.body.appendChild(gameContainer);
// Create the canvas element
const canvas = document.createElement('canvas');
canvas.id = 'gameCanvas';
canvas.width = 800;
canvas.height = 600;
gameContainer.appendChild(canvas);
// Create the game over overlay
const overlay = document.createElement('div');
overlay.id = 'gameOverOverlay';
overlay.style.position = 'absolute';
overlay.style.top = '0';
overlay.style.left = '0';
overlay.style.width = '100%';
overlay.style.height = '100%';
overlay.style.background = 'rgba(0, 0, 0, 0.5)';
overlay.style.color = '#fff';
overlay.style.display = 'flex';
overlay.style.flexDirection = 'column';
overlay.style.justifyContent = 'center';
overlay.style.alignItems = 'center';
overlay.style.fontSize = '2rem';
overlay.style.zIndex = '10';
overlay.style.visibility = 'hidden';
gameContainer.appendChild(overlay);
const gameOverText = document.createElement('div');
gameOverText.innerText = 'Game Over';
overlay.appendChild(gameOverText);
const restartBtn = document.createElement('button');
restartBtn.id = 'restartBtn';
restartBtn.innerText = 'Restart';
restartBtn.style.marginTop = '20px';
restartBtn.style.padding = '10px 20px';
restartBtn.style.fontSize = '1rem';
restartBtn.style.cursor = 'pointer';
restartBtn.style.border = 'none';
restartBtn.style.borderRadius = '5px';
restartBtn.style.backgroundColor = '#ff5050';
restartBtn.style.color = '#fff';
overlay.appendChild(restartBtn);
const ctx = canvas.getContext('2d');
// Game Variables
let bird, obstacles, frameCount, gameOver;
let gravity, jumpForce, obstacleSpeed, obstacleGap, obstacleWidth, obstacleInterval;
// Parallax background variables
let mountainPoints = [];
let hillsPoints = [];
let mountainOffset = 0;
let hillsOffset = 0;
let clouds = [];
// Speeds for parallax layers (relative multipliers)
const mountainSpeedMultiplier = 0.2;
const hillsSpeedMultiplier = 0.5;
const cloudSpeedMultiplier = 0.3;
// Utility to generate terrain points for mountains/hills
function generateTerrain(totalWidth, step, base, variation) {
const points = [];
for (let x = -step; x <= totalWidth; x += step) {
const y = base + Math.random() * variation - variation / 2;
points.push({ x, y });
}
return points;
}
// Initialize clouds array
function initClouds() {
clouds = [];
const cloudCount = 8;
for (let i = 0; i < cloudCount; i++) {
clouds.push({
x: Math.random() * canvas.width,
y: Math.random() * canvas.height * 0.3,
scale: Math.random() * 0.5 + 0.5
});
}
}
function init() {
// Bird properties
bird = {
x: 100,
y: canvas.height / 2,
width: 30,
height: 30,
velocity: 0
};
obstacles = [];
frameCount = 0;
gameOver = false;
gravity = 0.5;
jumpForce = -9;
obstacleSpeed = 3;
obstacleGap = 150;
obstacleWidth = 60;
obstacleInterval = 90; // frames between obstacles
// Initialize parallax backgrounds
mountainPoints = generateTerrain(canvas.width * 2, 50, canvas.height * 0.4, 80);
hillsPoints = generateTerrain(canvas.width * 2, 50, canvas.height * 0.75, 40);
mountainOffset = 0;
hillsOffset = 0;
initClouds();
overlay.style.visibility = 'hidden';
}
function resetGame() {
init();
loop();
}
// Event listeners for controls
document.addEventListener('keydown', function(e) {
if (e.code === 'Space') {
e.preventDefault();
if (gameOver) {
resetGame();
} else {
bird.velocity = jumpForce;
}
}
});
canvas.addEventListener('mousedown', function() {
if (!gameOver) {
bird.velocity = jumpForce;
}
});
restartBtn.addEventListener('click', resetGame);
// Spawn an obstacle (pipe pair)
function spawnObstacle() {
const minGapY = 50;
const maxGapY = canvas.height - obstacleGap - 50;
const gapY = Math.floor(Math.random() * (maxGapY - minGapY + 1)) + minGapY;
obstacles.push({ x: canvas.width, gapY });
}
// Update game objects
function update() {
// Update bird
bird.velocity += gravity;
bird.y += bird.velocity;
// Spawn obstacles at intervals
if (frameCount % obstacleInterval === 0) {
spawnObstacle();
}
// Update obstacles positions
obstacles.forEach(obstacle => {
obstacle.x -= obstacleSpeed;
});
obstacles = obstacles.filter(obstacle => obstacle.x + obstacleWidth > 0);
// Check collision with top/bottom
if (bird.y < 0 || bird.y + bird.height > canvas.height) {
gameOver = true;
}
// Collision with obstacles
obstacles.forEach(obstacle => {
if (
bird.x + bird.width > obstacle.x &&
bird.x < obstacle.x + obstacleWidth
) {
if (bird.y < obstacle.gapY || bird.y + bird.height > obstacle.gapY + obstacleGap) {
gameOver = true;
}
}
});
// Update parallax backgrounds
mountainOffset = (mountainOffset + obstacleSpeed * mountainSpeedMultiplier) % canvas.width;
hillsOffset = (hillsOffset + obstacleSpeed * hillsSpeedMultiplier) % canvas.width;
clouds.forEach(cloud => {
cloud.x -= obstacleSpeed * cloudSpeedMultiplier;
if (cloud.x + 100 * cloud.scale < 0) { // if cloud moves off the left edge
cloud.x = canvas.width + Math.random() * canvas.width;
cloud.y = Math.random() * canvas.height * 0.3;
}
});
frameCount++;
}
// Draw sky background gradient on canvas
function drawSky() {
const gradient = ctx.createLinearGradient(0, 0, 0, canvas.height);
gradient.addColorStop(0, '#87CEEB');
gradient.addColorStop(1, '#fff');
ctx.fillStyle = gradient;
ctx.fillRect(0, 0, canvas.width, canvas.height);
}
// Draw clouds with soft edges
function drawCloud(x, y, scale) {
ctx.save();
ctx.translate(x, y);
ctx.scale(scale, scale);
ctx.fillStyle = 'rgba(255, 255, 255, 0.8)';
ctx.beginPath();
ctx.arc(0, 0, 20, Math.PI * 0.5, Math.PI * 1.5);
ctx.arc(25, -10, 25, Math.PI * 1, Math.PI * 1.85);
ctx.arc(55, 0, 20, Math.PI * 1.37, Math.PI * 1.91);
ctx.arc(40, 10, 25, Math.PI * 1.5, Math.PI * 0.5);
ctx.arc(15, 10, 20, Math.PI * 1.15, Math.PI * 1.9);
ctx.closePath();
ctx.fill();
ctx.restore();
}
// Draw all clouds
function drawClouds() {
clouds.forEach(cloud => {
drawCloud(cloud.x, cloud.y, cloud.scale);
});
}
// Draw mountain range based on pre-generated points
function drawMountains(offset) {
ctx.save();
ctx.fillStyle = '#708090'; // Slate gray for distant mountains
ctx.beginPath();
ctx.moveTo(-offset, canvas.height);
mountainPoints.forEach(pt => {
ctx.lineTo(pt.x - offset, pt.y);
});
ctx.lineTo(canvas.width + 100, canvas.height);
ctx.closePath();
ctx.fill();
ctx.restore();
}
// Draw hills in the foreground
function drawHills(offset) {
ctx.save();
ctx.fillStyle = '#228B22'; // Forest green for hills
ctx.beginPath();
ctx.moveTo(-offset, canvas.height);
hillsPoints.forEach(pt => {
ctx.lineTo(pt.x - offset, pt.y);
});
ctx.lineTo(canvas.width + 100, canvas.height);
ctx.closePath();
ctx.fill();
ctx.restore();
}
// Draw obstacles (pipes)
function drawObstacles() {
ctx.fillStyle = '#006400'; // Dark green for pipes
obstacles.forEach(obstacle => {
// Upper pipe
ctx.fillRect(obstacle.x, 0, obstacleWidth, obstacle.gapY);
// Lower pipe
ctx.fillRect(obstacle.x, obstacle.gapY + obstacleGap, obstacleWidth, canvas.height - obstacle.gapY - obstacleGap);
});
}
// Draw the bird with slight rotation based on velocity
function drawBird() {
ctx.save();
// Determine rotation angle (capped for visual effect)
const angle = Math.min(Math.max(bird.velocity / 10, -0.5), 1);
ctx.translate(bird.x + bird.width / 2, bird.y + bird.height / 2);
ctx.rotate(angle);
// Draw bird body (a yellow circle with a red beak)
ctx.fillStyle = '#FFD700';
ctx.beginPath();
ctx.arc(0, 0, bird.width / 2, 0, Math.PI * 2);
ctx.fill();
// Draw eye
ctx.fillStyle = '#000';
ctx.beginPath();
ctx.arc(-5, -5, 3, 0, Math.PI * 2);
ctx.fill();
// Draw beak
ctx.fillStyle = '#FF4500';
ctx.beginPath();
ctx.moveTo(bird.width / 2, 0);
ctx.lineTo(bird.width / 2 + 10, -5);
ctx.lineTo(bird.width / 2 + 10, 5);
ctx.closePath();
ctx.fill();
ctx.restore();
}
function draw() {
// Draw sky background gradient
drawSky();
// Draw parallax layers in order
drawClouds();
drawMountains(mountainOffset);
drawHills(hillsOffset);
// Draw obstacles and bird
drawObstacles();
drawBird();
}
function loop() {
if (gameOver) {
overlay.style.visibility = 'visible';
return;
}
update();
draw();
requestAnimationFrame(loop);
}
// Start the game
init();
loop();
})();