js+css模拟黑客攻击入侵画面动画效果代码-html代码-BFW代码库

代码语言：html

所属分类：动画

代码描述：js+css模拟黑客攻击入侵画面动画效果代码

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">
  

  
<style>
@font-face {
  font-family: 'Source Code Pro';
  font-style: normal;
  font-weight: 400;
  src: local('Source Code Pro'), local('SourceCodePro-Regular'), url(//repo.bfw.wiki/bfwrepo/fonts/SourceCodePro.woff) format('woff');
}

body {
    font-family: Source Code Pro;
    background:#000;
    color: #00FF00;
    margin:0;
    font-size: 13px;
}
canvas {
    position:absolute;
    top:0;
    left:0;
}
.bars-and-stuff{
    left:66.6%;
}

.output-console {
    position:fixed;
    overflow:hidden;
}
p{margin:0}
</style>

  
  
  
</head>

<body >
  <canvas class='hacker-3d-shiz'></canvas>
<canvas class='bars-and-stuff'></canvas>
<div class="output-console"></div>
  
      <script id="rendered-js" >
var canvas = document.querySelector(".hacker-3d-shiz"),
ctx = canvas.getContext("2d"),
canvasBars = document.querySelector(".bars-and-stuff"),
ctxBars = canvasBars.getContext("2d"),
outputConsole = document.querySelector(".output-console");

canvas.width = window.innerWidth / 3 * 2;
canvas.height = window.innerHeight / 3;

canvasBars.width = window.innerWidth / 3;
canvasBars.height = canvas.height;

outputConsole.style.height = window.innerHeight / 3 * 2 + 'px';
outputConsole.style.top = window.innerHeight / 3 + 'px';


/* Graphics stuff */
function Square(z) {
  this.width = canvas.width / 2;

  if (canvas.height < 200) {
    this.width = 200;
  };

  this.height = canvas.height;
  z = z || 0;

  this.points = [
  new Point({
    x: canvas.width / 2 - this.width,
    y: canvas.height / 2 - this.height,
    z: z }),

  new Point({
    x: canvas.width / 2 + this.width,
    y: canvas.height / 2 - this.height,
    z: z }),

  new Point({
    x: canvas.width / 2 + this.width,
    y: canvas.height / 2 + this.height,
    z: z }),

  new Point({
    x: canvas.width / 2 - this.width,
    y: canvas.height / 2 + this.height,
    z: z })];

  this.dist = 0;
}

Square.prototype.update = function () {
  for (var p = 0; p < this.points.length; p++) {
    this.points[p].rotateZ(0.001);
    this.points[p].z -= 3;
    if (this.points[p].z < -300) {
      this.points[p].z = 2700;
    }
    this.points[p].map2D();
  }
};

Square.prototype.render = function () {
  ctx.beginPath();
  ctx.moveTo(this.points[0].xPos, this.points[0].yPos);
  for (var p = 1; p < this.points.length; p++) {
    if (this.points[p].z > -(focal - 50)) {
      ctx.lineTo(this.points[p].xPos, this.points[p].yPos);
    }
  }

  ctx.closePath();
  ctx.stroke();

  this.dist = this.points[this.points.length - 1].z;

};

function Point(pos) {
  this.x = pos.x - canvas.width / 2 || 0;
  this.y = pos.y - canvas.height / 2 || 0;
  this.z = pos.z || 0;

  this.cX = 0;
  this.cY = 0;
  this.cZ = 0;

  this.xPos = 0;
  this.yPos = 0;
  this.map2D();
}

Point.prototype.rotateZ = function (angleZ) {
  var cosZ = Math.cos(angleZ),
  sinZ = Math.sin(angleZ),
  x1 = this.x * cosZ - this.y * sinZ,
  y1 = this.y * cosZ + this.x * sinZ;

  this.x = x1;
  this.y = y1;
};

Point.prototype.map2D = function () {
  var scaleX = focal / (focal + this.z + this.cZ),
  scaleY = focal / (focal + this.z + this.cZ);

  this.xPos = vpx + (this.cX + this.x) * scaleX;
  this.yPos = vpy + (this.cY + this.y) * scaleY;
};

// Init graphics stuff
var squares = [],
focal = canvas.width / 2,
vpx = canvas.width / 2,
vpy = canvas.height / 2,
barVals = [],
sineVal = 0;

/* fake console stuff */
var commandStart = ['Performing DNS Lookups for',
'Searching ',
'Analyzing ',
'Estimating Approximate Location of ',
'Compressing ',
'Requesting Authorization From : ',
'wget -a -t ',
'tar -xzf ',
'Entering Location ',
'Compilation Started of ',
'Downloading '],
commandParts = ['Data Structure',
'http://wwjd.com.........完整代码请登录后点击上方下载按钮下载查看