<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>颜色爆炸射击游戏</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html, body {
height: 100%;
}
body {
min-height: 100%;
max-width: 100%;
background: #111;
font-family: Lato, sans-serif;
}
.container {
min-height: 100%;
max-width: 960px;
margin: 0 auto;
}
.game-wrap {
position: relative;
padding: 20px 0 0;
}
canvas {
position: relative;
max-width: 100%;
border: 2px solid black;
max-height: 100%;
display: block;
margin: 0 auto;
}
.content {
color: #ccc;
text-align: center;
padding: 0 20px;
}
p {
margin: 10px 0;
font-size: 18px;
line-height: 1.5em;
}
code {
background: #222;
background: -webkit-linear-gradient(#222, #000);
background: linear-gradient(#222, #000);
line-height: 1.3em;
display: inline-block;
border-radius: 3px;
font-family: monospace;
padding: 1px 5px;
margin: 0 2px;
}
a {
color: skyblue;
text-decoration: none;
-webkit-transition: .2s;
transition: .2s;
}
a:hover {
color: #b3e0f2;
text-decoration: underline;
}
.title {
font-size: 40px;
font-weight: 900;
margin: 20px 0;
}
.title span:nth-child(1) {
color: #bf8040;
}
.title span:nth-child(2) {
color: #bfbf40;
}
.title span:nth-child(3) {
color: #80bf40;
}
.title span:nth-child(4) {
color: #40bf40;
}
.title span:nth-child(5) {
color: #40bf80;
}
.title span:nth-child(6) {
color: #40bfbf;
}
.title span:nth-child(7) {
color: #4080bf;
}
.title span:nth-child(8) {
color: #4040bf;
}
.title span:nth-child(9) {
color: #8040bf;
}
.title span:nth-child(10) {
color: #bf40bf;
}
.title span:nth-child(11) {
color: #bf4080;
}
</style>
</head>
<body>
<div class="container">
<div class="game-wrap">
<canvas width="960px" height="540" id="game"></canvas>
<article class="content">
<h1 class="title"><span>C</span><span>o</span><span>l</span><span>o</span><span>r</span><span> </span><span>B</span><span>l</span><span>a</span><span>s</span><span>t</span></h1>
<p>使用 小键盘"左" 和 "右" 箭头或 "a" 和 "d" 键移动, "空格键" 发射子弹。</p>
</article>
</div>
</div><script>
// Color Blast!
// License MIT
// ? 2014 Nate Wiley
(function(window){
var Game = {
init: function(){
this.c = document.getElementById("game");
this.c.width = this.c.width;
this.c.height = this.c.height;
this.ctx = this.c.getContext("2d");
this.color = "rgba(20,20,20,.7)";
this.bullets = [];
this.enemyBullets = [];
this.enemies = [];
this.particles = [];
this.bulletIndex = 0;
this.enemyBulletIndex = 0;
this.enemyIndex = 0;
this.particleIndex = 0;
this.maxParticles = 10;
this.maxEnemies = 6;
this.enemiesAlive = 0;
this.currentFrame = 0;
this.maxLives = 3;
this.life = 0;
this.binding();
this.player = new Player();
this.score = 0;
this.paused = false;
this.shooting = false;
this.oneShot = false;
this.isGameOver = false;
this.requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
for(var i = 0; i<this.maxEnemies; i++){
new Enemy();
this.enemiesAlive++;
}
this.invincibleMode(2000);
this.loop();
},
binding: function(){
window.addEventListener("keydown", this.buttonDown);
window.addEventListener("keyup", this.buttonUp);
window.addEventListener("keypress", this.keyPressed);
this.c.addEventListener("click", this.clicked);
},
clicked: function(){
if(!Game.paused) {
Game.pause();
} else {
if(Game.isGameOver){
Game.init();
} else {
Game.unPause();
Game.loop();
Game.invincibleMode(1000);
}
}
},
keyPressed: function(e){
if(e.keyCode === 32){
if(!Game.player.invincible && !Game.oneShot){
Game.player.shoot();
Game.oneShot = true;
}
if(Game.isGameOver){
Game.init();
}
e.preventDefault();
}
},
buttonUp: function(e){
if(e.keyCode === 32){
Game.shooting = false;
Game.oneShot = false;
e.preventDefault();
}
if(e.keyCode === 37 || e.keyCode === 65){
Game.player.movingLeft = false;
}
if(e.keyCode === 39 || e.keyCode === 68){
Game.player.movingRight = false;
}
},
buttonDown: function(e){
if(e.keyCode === 32){
Game.shooting = true;
}
if(e.keyCode === 37 || e.keyCode === 65){
Game.player.movingLeft = true;
}
if(e.keyCode === 39 || e.keyCode === 68){
Game.player.movingRight = true;
}
},
random: function(min, max){
return Math.floor(Math.random() * (max - min) + min);
},
invincibleMode: function(s){
this.player.invincible = true;
setTimeout(function(){
Game.player.invincible = false;
}, s);
},
collision: function(a, b){
return !(
((a.y + a.height) < (b.y)) ||
(a.y > (b.y + b.height)) ||
((a.x + a.width) < b.x) ||
(a.x > (b.x + b.width))
)
},
clear: function(){
this.ctx.fillStyle = Game.color;
this.ctx.fillRect(0, 0, this.c.width, this.c.height);
},
pause: function(){
this.paused = true;
},
unPause: function(){
this.paused = false;
},
gameOver: function(){
this.isGameOver = true;
this.clear();
var message = "Game Over";
var message2 = "Score: " + Game.score;
var message3 = "Click or press Spacebar to Play Again";
this.pause();
this.ctx.fillStyle = "white";
this.ctx.font = "bold 30px Lato, sans-serif";
this.ctx.fillText(message, this.c.width/2 - this.ctx.measureText(message).width/2, this.c.height/2 - 50);
this.ctx.fillText(message2, this.c.width/2 - this.ctx.measureText(message2).width/2, this.c.height/2 - 5);
this.ctx.font = "bold 16px Lato, sans-serif";
this.ctx.fillText(message3, this.c.width/2 - this.ctx.measureText(message3).width/2, this.c.height/2 + 30);
},
updateScore: function(){
this.ctx.fillStyle = "white";
this.ctx.font = "16px Lato, sans-serif";
this.ctx.fillText("Score: " + this.score, 8, 20);
this.ctx.fillText("Lives: " + (this.maxLives - this.life), 8, 40);
},
loop: function(){
if(!Game.paused){
Game.clear();
for(var i in Game.enemies){
var currentEnemy = Game.enemies[i];
currentEnemy.draw();
currentEnemy.update();
if(Game.currentFrame % currentEnemy.shootingSpeed === 0){
currentEnemy.shoot();
}
}
for(var x in Game.enemyBullets){
Game.enemyBullets[x].draw();
Game.enemyBullets[x].update();
}
for(var z in Game.bullets){
Game.bullets[z].draw();
Game.bullets[z].update();
}
if(Game.player.invincible){
if(Game.currentFrame % 20 === 0){
Game.player.draw();
}
} else {
Game.player.draw();
}
for(var i in Game.particles){
Game.particles[i].draw();
}
Game.player.update();
Game.updateScore();
Game.currentFrame = Game.requestAnimationFrame.call(window, Game.loop);
}
}
};
var Player = function(){
this.width = 60;
this.height = 20;
this.x = Game.c.width/2 - this.width/2;
this.y = Game.c.height - this.height;
this.movingLeft = false;
this.movingRight = false;
this.speed = 8;
this.invincible = false;
this.color = "white";
};
Player.prototype.die = function(){
if(Game.life < Game.maxLives){
Game.invincibleMode(2000);
Game.life++;
} else {
Game.pause();
Game.gameOver();
}
};
Player.prototype.draw = function(){
Game.ctx.fillStyle = this.color;
Game.ctx.fillRect(this.x, this.y, this.width, this.height);
};
Player.prototype.update = function(){
if(this.movingLeft && this.x > 0){
this.x -= this.speed;
}
if(this.movingRight && this.x + this.width < Game.c.width){
this.x += this.speed;
}
if(Gam
