js实现一个待办事项碎片管理工具效果代码-html代码-BFW代码库

代码语言：html

所属分类：其他

代码描述：js实现一个待办事项碎片管理工具效果代码

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>
*,
*:before,
*:after {
  box-sizing: border-box;
  margin: 0;
}

html {
  font-family: Futura, "Trebuchet MS", Arial, sans-serif;
  font-size: 18px;
  overflow: hidden;
}

.wrapper {
  position: absolute;
  padding: 20px;
  max-width: 350px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 5px;
}

h2 {
  text-align: center;
  margin: 0.5rem 0;
  font-weight: 200;
}

button {
  border-radius: 5px;
  background: #e1341e;
  color: white;
  border: none;
  font-size: 18px;
}

button:hover {
  transition: all 1s;
  transform: scale(1.1);
}

.items {
  margin: 0;
  padding: 0;
  text-align: left;
  list-style: none;
}

.items li {
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  padding: 10px 0;
  font-weight: 100;
  display: flex;
}

.items label {
  flex: 1;
  cursor: pointer;
}

.items input {
  display: none;
}

.items input:checked + label:before {
   content: attr(data-before);
}

.add-items {
  margin-top: 20px;
}

.add-items button, .add-items input {
  padding: 10px;
  outline: 0;
}

button:hover {
  cursor: pointer;
}

.input-container {
  display: flex;
}

.input-container button {
  margin-left: 0.5rem;
  background-color: #1ECBE1;
}

.submit-btn {
  border: 1px solid black;
}

.submit-btn:hover {
  border-radius: 5px;
}

.all-btns {
  margin: 10px;
}

.message {
  padding: 0.5rem 0;
  color: red;
}

.delete-all-container {
  text-align: center;
}
</style>


<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/p5.1.4.0.js"></script>

</head>



<body>
  <div class="wrapper">
    <h2>Completed TODO's</h2>
    <p></p>
    <ul class="items">
      <li>Loading TODOs...</li>
    </ul>
    <form class="add-items">
      <div class="input-container">
        <input type="text" name="item" placeholder="Item Name" required maxlength="25">
        <button type="submit">Add Item</button>
      </div>
      <div class="message"></div>
      <div class="delete-all-container">
        <button type="button" class="delete-all">Delete All</button>
      </div>
    </form>
  </div>

  
      <script >
////////////// sketch /////////////

var ship;
var asteroids = [];
var lasers = [];


function setup() {
  createCanvas(windowWidth, windowHeight);
  ship = new Ship();
  for (var i = 0; i < todos.length; i += 1) {
    asteroids.push(new Asteroid(null, null, todos[i].text));
  }
}

// always runs
function draw() {
  background(0);
  for (let i = 0; i < asteroids.length; i += 1) {
    if (ship.hits(asteroids[i])) {
      ship.isHit = true;
      setTimeout(function() {
        ship.isHit = false;
      }, 300);
    }
    asteroids[i].render();
    asteroids[i].update();
    asteroids[i].edges();
  }

  for (let i = lasers.length - 1; i >= 0; i -= 1) {
    lasers[i].render();
    lasers[i].update();

    // collision detection
    // problem: looping through astroids and adding new ones at same time when they breakup
    //  solution - loop backwards
    for (let j = asteroids.length - 1; j >= 0; j -= 1) {
      if (lasers[i].hits(asteroids[j])) {
        // make very small pieces disappear
        if (asteroids[j].r > 12) {
          var newAsteroids = asteroids[j].breakup();
          asteroids.push(...newAsteroids);
        }
        asteroids.splice(j, 1);
        lasers.splice(i, 1);
        break;
      }
    }

  }

  ship.render();
  ship.turn();
  ship.update();
  ship.edges();
}

function windowResized() {
  resizeCanvas(windowWidth, windowHeight);
}

function keyReleased() {
  ship.setRotation(0);
  ship.boosting(false);
}

function keyPressed() {
  if (keyCode === CONTROL ) {
    lasers.push(new Laser(ship.pos, ship.heading));
  } else if (keyCode === RIGHT_ARROW) {
    ship.setRotation(0.1);
  } else if (keyCode === LEFT_ARROW) {
    ship.setRotation(-0.1);
    } else if (keyCode === UP_ARROW) {
    ship.boosting(true);
  }
}


////////////// ship /////////////

function Ship() {
  // starting pos vector
  this.pos = createVector(width / 2, height / 2);
  this.r = 20;

  this.heading = 0;
  this.rotation = 0;
  this.vel = createVector(0,0);
  this.isBoosting = false;
  this.isHit = false;

  this.boosting = function(b) {
    this.isBoosting = b;
  }

  this.update = function() {
    if (this.isBoosting) {
      this.boost();
    }
    this.pos.add(this.vel);
    // dampening - reduce vel by 1% each frame
    this.vel.mult(0.99);

    if (this.isHit) {
      this.boost(true);
      ship.setRotation(random(-0.3, 0.3));
      ship.turn();
    }

  }

  this.boost = function(randomMult = false) {
    // get vector that points in direction of heading
    var force = p5.Vector.fromAngle(this.heading);
    // slow down boost
    force.mult(randomMult ? random(-0.4, 0.4) : 0.1);
    this.vel.add(force);
  }


  this.hits = function(asteroid) {
    // dist btn laser and asteroid pos
    var d = dist(this.pos.x, this.pos.y, asteroid.pos.x, asteroid .pos.y);
    if (d < this.r + asteroid.r) {
      // hit
       return true;
    } else {
        return false;
    }
}

  this.render = function() {
    // push and pop makes sure ship translation and rotation does not affect asteroid or other things on the canvas
    push(); // save current rotation and translation state
    // position by vector values
    translate(this.pos.x, this.pos.y);
    // create triangle by plotting points
    // PI / 2 = conversion of 90 deg to radians
    rotate(this.heading + PI / 2);
    fill(this.isHit ? 'red' : 0);
    stroke(255);
    triangle(-this.r, this.r, this.r, this.r, 0, -this.r);
    pop() // restore rotation and translation state
  }

  // allow wrap around if it goes off screen
  this.edges = function() {
    if (this.pos.x > width + this.r) {
      this.pos.x = -this.r;
    } else if (this.pos.x < -this.r) {
      this.pos.x = width + this.r;
    }
    if (this.pos.y > height + this.r) {
      this.pos.y = -this.r;
    } else if (this.pos.y < -this.r) {
      this.pos.y = height + this.r;
    }
  }

  this.setRotation = function(a) {
    this.rotation = a;
  }

  this.turn = function() {
    this.heading += this.rotation;
  }

}

////////////// asteroid /////////////

function Asteroid(pos, r, todo) {

    if (pos) {
        this.pos = pos.copy();
        this.todo = '';
    } else {
        this.pos = createVector(random(width), random(height));
        this.todo = todo;
    }

    if (r) {
        this.r = r * 0.5;
    } else {
        this.r = random(15, 50);
    }

    this.vel = p5.Vector.random2D();
    if (this.todo === '') {
        this.vel.mult(random(0.1, 5));
    }
    this.total = floor(random(5, 15));
    this.offset = [];
    for (let i = 0; i < this.total; i += 1) {
        this.offset[i] = random(-this.r * 0.5, this.r * 0.5);
    }

    this.update = function() {
        this.pos.add(this.vel);
   .........完整代码请登录后点击上方下载按钮下载查看