原生js实现贪吃蛇小游戏代码-html代码-BFW代码库

代码语言：html

所属分类：游戏

代码描述：原生js实现贪吃蛇小游戏代码

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">
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/all.5.15.4.js"></script>

  
  
  
<style>
@font-face {
  font-family: "game";
  src: url("https://fonts.googleapis.com/css2?family=Poppins:wght@500;800&display=swap");
}
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
button:focus {
  outline: 0;
}

html,
body {
  height: 100%;
  font-family: "Poppins", sans-serif;
  color: #6e7888;
}
body {
  background-color: #222738;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #6e7888;
}
canvas {
  background-color: #181825;
}
.container {
  display: flex;
  width: 100%;
  height: 100%;
  flex-flow: column wrap;
  justify-content: center;
  align-items: center;
}
#ui {
  display: flex;
  align-items: center;
  font-size: 10px;
  flex-flow: column;
  margin-left: 10px;
}
h2 {
  font-weight: 200;
  transform: rotate(270deg);
}
#score {
  margin-top: 20px;
  font-size: 30px;
  font-weight: 800;
}
.noselect {
  user-select: none;
}
#replay {
  font-size: 10px;
  padding: 10px 20px;
  background: #6e7888;
  border: none;
  color: #222738;
  border-radius: 20px;
  font-weight: 800;
  transform: rotate(270deg);
  cursor: pointer;
  transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
}
#replay:hover {
  background: #a6aab5;
  background: #4cffd7;
  transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
}
#replay svg {
  margin-right: 8px;
}
@media (max-width: 600px) {
  #replay {
    margin-bottom: 20px;
  }
  #replay,
  h2 {
    transform: rotate(0deg);
  }
  #ui {
    flex-flow: row wrap;
    margin-bottom: 20px;
  }
  #score {
    margin-top: 0;
    margin-left: 20px;
  }
  .container {
    flex-flow: column wrap;
  }
}
#author {
  width: 100%;
  bottom: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: inherit;
  text-transform: uppercase;
  padding-left: 35px;
}
#author span {
  font-size: 10px;
  margin-left: 20px;
  color: inherit;
  letter-spacing: 4px;
}
#author h1 {
  font-size: 25px;
}
.wrapper {
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}
</style>



</head>

<body >
  <div class="container noselect">
  <div class="wrapper">
    <button id="replay">
      <i class="fas fa-play"></i>
      RESTART
    </button>
    <div id="canvas">

    </div>
    <div id="ui">
      <h2>SCORE
      </h2>
      <span id="score">00</span>
    </div>
  </div>
  <div id="author">
    <h1>SNAKE</h1> <span>by Fariat</span>
  </div>
</div>


  
      <script >
/** 
This is a snake game I made with Vanilla Javascript.
Follow me on twitter @fariatondo
**/

let dom_replay = document.querySelector("#replay");
let dom_score = document.querySelector("#score");
let dom_canvas = document.createElement("canvas");
document.querySelector("#canvas").appendChild(dom_canvas);
let CTX = dom_canvas.getContext("2d");

const W = (dom_canvas.width = 400);
const H = (dom_canvas.height = 400);

let snake,
  food,
  currentHue,
  cells = 20,
  cellSize,
  isGameOver = false,
  tails = [],
  score = 00,
  maxScore = window.localStorage.getItem("maxScore") || undefined,
  particles = [],
  splashingParticleCount = 20,
  cellsCount,
  requestID;

let helpers = {
  Vec: class {
    constructor(x, y) {
      this.x = x;
      this.y = y;
    }
    add(v) {
      this.x += v.x;
      this.y += v.y;
      return this;
    }
    mult(v) {
      if (v instanceof helpers.Vec) {
        this.x *= v.x;
        this.y *= v.y;
        return this;
      } else {
        this.x *= v;
        this.y *= v;
        return this;
      }
    }
  },
  isCollision(v1, v2) {
    return v1.x == v2.x && v1.y == v2.y;
  },
  garbageCollector() {
    for (let i = 0; i < particles.length; i++) {
      if (particles[i].size <= 0) {
        particles.splice(i, 1);
      }
    }
  },
  drawGrid() {
    CTX.lineWidth = 1.1;
    CTX.strokeStyle = "#232332";
    CTX.shadowBlur = 0;
    for (let i = 1; i < cells; i++) {
      let f = (W / cells) * i;
      CTX.beginPath();
      CTX.moveTo(f, 0);
      CTX.lineTo(f, H);
      CTX.stroke();
      CTX.beginPath();
      CTX.moveTo(0, f);
      CTX.lineTo(W, f);
      CTX.stroke();
      CTX.closePath();
    }
  },
  randHue() {
    return ~~(Math.random() * 360);
  },
  hsl2rgb(hue, saturation, lightness) {
    if (hue == undefined) {
      return [0, 0, 0];
    }
    let chroma = (1 - Math.abs(2 * lightness - 1)) * saturation;
    let huePrime = hue / 60;
    let secondComponent = chroma * (1 - Math.abs((huePrime % 2) - 1));

    huePrime = ~~huePrime;
    let red;
    let green;
    let blue;

    if (huePrime === 0) {
      red = chroma;
      green = secondComponent;
      blue = 0;
    } else if (huePrime === 1) {
      red = secondComponent;
      green = chroma;
      blue = 0;
    } else if (huePrime === 2) {
      red = 0;
      green = chroma;
      blue = secondComponent;
    } else if (huePrime === 3) {
      red = 0;
      green = secondComponent;
      blue = chroma;
    } else if (huePrime === 4) {
      red = secondComponent;
      green = 0;
      blue = chroma;
    } else if (huePrime === 5) {
      red = chroma;
      green = 0;
      blue = secondComponent;
    }

    let lightnessAdjustment = lightness - chroma / 2;
    red += lightnessAdjustment;
    green += lightnessAdjustment;
    blue += lightnessAdjustment;

    return [
      Math.round(red * 255),
      Math.round(green * 255),
      Math.round(blue * 255)
    ];
  },
  lerp(start, end, t) {
    return start * (1 - t) + end * t;
  }
};

let KEY = {
  ArrowUp: false,
  ArrowRight: false,
  ArrowDown: false,
  ArrowLeft: false,
  resetState() {
    this.ArrowUp = false;
    this.ArrowRight = false;
    this.ArrowDown = false;
    this.ArrowLeft = false;
  },
  listen() {
    addEventListener(
      "keydown",
      (e) => {
        if (e.key ===.........完整代码请登录后点击上方下载按钮下载查看