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< > BotCompany Repo | #1014798 // circles.js

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"use strict";
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var canvas = document.getElementById("canva");
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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var ctx = canvas.getContext("2d");
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var makeRandom = function makeRandom(to) {
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  return Math.random() * to;
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};
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var speedRandom = function speedRandom(x) {
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  return (Math.random() - 0.5) * x;
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};
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var mouse = { x: null, y: null };
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var colors = ["#BA2D27", "#C45C43", "#1B8F9C", "#33090E", "#0C5963"];
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var circles = [];
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window.addEventListener("resize", function () {
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  canvas.width = window.innerWidth;
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  canvas.height = window.innerHeight;
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  init();
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});
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window.addEventListener("mousemove", function (evt) {
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  mouse.x = evt.x;
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  mouse.y = evt.y;
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});
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var Circle = function () {
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  function Circle(x, y, radius, vx, vy, color) {
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    _classCallCheck(this, Circle);
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    this.x = x;
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    this.y = y;
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    this.radius = radius;
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    this.vx = vx;
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    this.vy = vy;
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    this.color = color;
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  }
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  _createClass(Circle, [{
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    key: "draw",
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    value: function draw() {
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      ctx.beginPath();
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      ctx.arc(this.x, this.y, this.radius, 0, Math.PI * 2, false);
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      ctx.fillStyle = this.color;
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      ctx.strokeStyle = this.color;
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      ctx.fill();
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      ctx.stroke();
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    }
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  }, {
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    key: "updateMove",
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    value: function updateMove() {
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      if (this.x > window.innerWidth + this.radius && this.vx > 0) {
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        this.x = 0 - this.radius;
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      }
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      if (this.x < 0 - this.radius && this.vx < 0) {
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        this.x = window.innerWidth + this.radius;
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      }
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      if (this.y > window.innerHeight + this.radius && this.vy > 0) {
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        this.y = 0 - this.radius;
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      }
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      if (this.y < 0 - this.radius && this.vy < 0) {
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        this.y = window.innerHeight + this.radius;
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      }
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      this.x += this.vx;
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      this.y += this.vy;
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      this.makeSpecialCircle();
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      this.draw();
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    }
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  }, {
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    key: "makeSpecialCircle",
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    value: function makeSpecialCircle() {
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      var _this = this;
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      circles.forEach(function (circle, index) {
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        if (_this.x - circle.x < 150 && _this.x - circle.x > -150 && _this.y - circle.y < 150 && _this.y - circle.y > -150 && _this.radius !== circle.radius && _this.color === circle.color) {
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          ctx.beginPath();
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          ctx.moveTo(_this.x, _this.y);
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          ctx.lineTo(circle.x, circle.y);
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          ctx.strokeStyle = circle.color;
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          ctx.stroke();
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        }
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      });
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    }
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  }]);
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  return Circle;
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}();
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var makeCircles = function makeCircles(count, circle) {
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  var result = [];
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  for (var i = 0; i < count; i++) {
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    result.push(new Circle(makeRandom(circle.rdmX - circle.rdmR * 2) + circle.rdmR, makeRandom(circle.rdmY - circle.rdmR * 2) + circle.rdmR, makeRandom(circle.rdmR), speedRandom(circle.vx), speedRandom(circle.vy), colors[Math.floor(makeRandom(5))]));
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  }
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  return result;
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};
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var init = function init() {
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  circles = makeCircles(100, {
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    rdmX: window.innerWidth,
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    rdmY: window.innerHeight,
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    rdmR: 20,
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    vx: 2,
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    vy: 2
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  });
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  circles.forEach(function (circle) {
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    return circle.draw();
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  });
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};
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function animate() {
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  requestAnimationFrame(animate);
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  ctx.clearRect(0, 0, window.innerWidth, window.innerHeight);
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  circles.forEach(function (circle, i) {
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    circle.updateMove();
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  });
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}
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init();
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animate();

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Snippet ID: #1014798
Snippet name: circles.js
Eternal ID of this version: #1014798/1
Text MD5: c62874ac13b4f022ad56d617da608722
Author: stefan
Category:
Type: Document
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2018-05-02 15:05:14
Source code size: 4071 bytes / 128 lines
Pitched / IR pitched: No / No
Views / Downloads: 330 / 376
Referenced in: [show references]