jquery实现canvas梦幻树生长动画效果代码-html代码-BFW代码库

jquery实现canvas梦幻树生长动画效果代码

代码语言：html

所属分类：动画

代码描述：jquery实现canvas梦幻树生长动画效果代码

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>
<head>
    <meta charset="UTF-8">



<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>
<script type="text/javascript">
(function ($) {

	var Vector = function (x, y) {

		this.x = x || 0;

		this.y = y || 0;

	};

	Vector.prototype = {

		add: function (v) {

			this.x += v.x;

			this.y += v.y;

			return this;

		},

		length: function () {

			return Math.sqrt(this.x * this.x + this.y * this.y);

		},

		rotate: function (theta) {

			var x = this.x;

			var y = this.y;

			this.x = Math.cos(theta) * this.x - Math.sin(theta) * this.y;

			this.y = Math.sin(theta) * this.x + Math.cos(theta) * this.y;

			//this.x = Math.cos(theta) * x - Math.sin(theta) * y;

			//this.y = Math.sin(theta) * x + Math.cos(theta) * y;

			return this;

		},

		mult: function (f) {

			this.x *= f;

			this.y *= f;

			return this;

.........完整代码请登录后点击上方下载按钮下载查看