名站网址导航为大家提供关于网站网页设计设计相关的的教程知识。
- 本篇文章具体介绍如下
玩法向下看
请看地址栏上的字母 O! 你使用O来向 a射击。 使用键盘上的 左箭头 和 右箭头 移动字母O. 当O移动到 a 上时,按 空格键射击! 游戏会定时30秒时间,按ESC键重新开始。
注:请使用系统自带的IE浏览器来打开本链接。
你使用O来向 a射击。 使用键盘上的 左箭头 和 右箭头 移动字母O. 当O移动到 a 上时,按 空格键射击!
核心具体代码:
具体代码如下:
(function() {
var Animal, Game;
var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
Game = (function() {
function Game() {
this.eventReceived = __bind(this.eventReceived, this);;
this.update = __bind(this.update, this);; this.level = 1;
this.levelSize = 60;
this.playerLocation = this.levelSize / 2;
this.start();
}
Game.prototype.start = function() {
var num;
this.points = 0;
this.startTime = new Date;
this.timeLimit = 30;
this.animals = [];
for (num = 4; num >= 1; num--) {
this.addAnimal();
}
return this.interval = setInterval(this.update, 1000 / 30);
};
Game.prototype.gameOver = function() {
clearInterval(this.interval);
return location.hash = "在" (this.elapsedTime()) "秒中你共射中了" this.points "个a! (按ESC键重新开始)";
};
Game.prototype.elapsedTime = function() {
return Math.floor(((new Date).getTime() - this.startTime.getTime()) / 1000);
};
Game.prototype.addAnimal = function() {
var animal;
animal = new Animal(Math.floor(Math.random() * this.levelSize));
return this.animals.push(animal);
};
Game.prototype.removeAnimal = function(deadAnimal) {
var animal;
return this.animals = (function() {
var _i, _len, _ref, _results;
_ref = this.animals;
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i ) {
animal = _ref[_i];
if (animal !== deadAnimal) {
_results.push(animal);
}
}
return _results;
}).call(this);
};
Game.prototype.isAnimalAt = function(position) {
var animal, matches;
matches = (function() {
var _i, _len, _ref, _results;
_ref = this.animals;
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i ) {
animal = _ref[_i];
if (Math.floor(animal.position) === position) {
_results.push(animal);
}
}
return _results;
}).call(this);
return matches[0];
};
Game.prototype.update = function() {
var animal, position, timeLeft, url, _i, _len, _ref;
url = [];
_ref = this.animals;
for (_i = 0, _len = _ref.length; _i < _len; _i ) {
animal = _ref[_i];
animal.update(this.levelSize);
}
while (url.length < this.levelSize) {
position = url.length;
if (position === this.playerLocation) {
if (this.isAnimalAt(this.playerLocation)) {
url.push("@");
} else {
url.push("O");
}
} else if (this.isAnimalAt(position)) {
url.push("a");
} else {
url.push("-");
}
}
timeLeft = this.timeLimit - this.elapsedTime();
if (timeLeft <= 0) {
return this.gameOver();
} else {
if (timeLeft < 10) {
timeLeft = "0" timeLeft;
}
location.hash = (" " timeLeft "|") url.join("") ("|" timeLeft);
return document.title = "Points " this.points;
}
};
Game.prototype.eventReceived = function(event) {
var animal;
switch (event.which) {
case 37:
this.playerLocation -= 1;
if (this.playerLocation < 0) {
return this.playerLocation = this.levelSize - 1;
}
break;
case 39:
this.playerLocation = 1;
return this.playerLocation %= this.levelSize;
case 38:
case 32:
animal = this.isAnimalAt(this.playerLocation);
if (animal) {
this.points = 1;
this.removeAnimal(animal);
console.log(this.animals.length);
if (this.animals.length === 0) {
return this.gameOver();
}
}
break;
case 27:
return this.start();
}
};
return Game;
})();
Animal = (function() {
function Animal(position) {
this.position = position;
this.velocityChange = Math.random() * 0.5;
this.velocityIndex = Math.random() * Math.PI;
this.dampener = 0.4;
}
Animal.prototype.update = function(levelSize) {
this.velocityIndex = Math.random() * this.velocityChange;
this.position = Math.sin(this.velocityIndex) * this.dampener;
this.position %= levelSize;
if (this.position < 0) {
return this.position = levelSize;
}
};
return Animal;
})();
$(function() {
var game;
game = new Game();
return $(document).keydown(game.eventReceived);
});
}).call(this);
好了关于网站网页设计设计相关的这篇文章就给大家介绍到这里不明白的地方给本站留言。声明,本站内容来源于互联网,如果侵犯了你的权益请联系本站删除。,基于jquery的获取浏览器窗口大小的具体代码-jquery