js实现控制方向键避开下雨中的雨点游戏代码-html代码-BFW代码库

代码语言：html

所属分类：游戏

代码描述：js实现控制方向键避开下雨中的雨点游戏代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">

  <meta name="viewport" content="width=device-width, initial-scale=1">


  
  
<style>
@import url(https://fonts.googleapis.com/css?family=Lato:100,300,400,700);
* {
  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: 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;
  transition: 0.2s;
}
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>键盘<code>左</code> 和 <code>右</code> 或<code>A</code> 和 <code>D</code> 键去左右移动躲避， <code>按空格键</code> 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);
    .........完整代码请登录后点击上方下载按钮下载查看