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canvas一周一练 -- canvas绘制奥运五环（1）

运行效果: <!DOCTYPE html> <html> <head> </head> <body> <canvas id=">A drawing of someing!</canvas> <script type="text/javascript"> var drawing = document.getElementById('drawing'); if(drawing.getC…

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运行效果: <!DOCTYPE html> <html> <head> </head> <body> <canvas id=">A drawing of someing!</canvas> <script type="text/javascript"> //绘制中国银行标志 var drawBoc = function(){ var drawing = document.getEl…

canvas一周一练 -- canvas绘制饼图（3）

运行效果: <!DOCTYPE html> <html> <head> </head> <body> <canvas id=">A drawing of someing!</canvas> <script type="text/javascript"> //绘制饼图 var drawCircle = function(canvasId, data_arr, color_arr, t…

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运行效果: <!DOCTYPE html> <html> <head> </head> <body> <canvas id=">A drawing of someing!</canvas> <script type="text/javascript"> var drawing = document.getElementById('drawing'); if(drawing.getC…

canvas一周一练 -- canvas绘制马尾图案 （5）

运行效果: <!DOCTYPE html> <html> <head> </head> <body> <canvas id=">A drawing of someing!</canvas> <script type="text/javascript"> var drawing = document.getElementById('drawing'); if(drawing.getC…

canvas一周一练 -- canvas绘制立体文字（2）

运行效果: <!DOCTYPE html> <html> <head> </head> <body> <canvas id=">A drawing of someing!</canvas> <script type="text/javascript"> var drawing = document.getElementById('drawing'); if(drawing.getC…

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从上个星期开始,耳朵就一直在生病,里面长了个疙瘩,肿的一碰就疼,不能吃饭不能嗨 (┳＿┳)……在此提醒各位小伙伴,最近天气炎热,一定要注意防暑上火,病来如山倒呀~ 接下来我正在喝着5块一颗的药学习canvas…… canvas(画布)是html5新增的标签元素,用来定义图形,比如图表和其他图像.<canvas>标签只是图形容器,必须使用脚本(通常为javascript)来绘制图形. canvas与svg的区别 canvas是HTML5提供的新元素<canvas>,而svg存在的历史…

【MATLAB】用MATLAB绘制奥运五环

[MATLAB]用MATLAB绘制奥运五环 今天用MATLAB绘制了一个奥运五环,好吧,实际上是帮人做作业,嘿嘿. 贴代码: clear; clc; N = 1000; angle = linspace(pi/4, 9*pi/4, N); %等间距生成角度 xb = cos(angle) * 0.9; yb = sin(angle) * 0.9; xy = cos(angle) * 0.9 + 1; yy = sin(angle) * 0.9 - 1; xk = cos(angle) * 0.9…

Python绘制奥运五环

绘制奥运五环主要涉及到Python中的turtle绘图库运用: turtle.forward(distance) 向当前画笔方向移动distance像素长度 turtle.backward(distance) 向当前画笔相反方向移动distance像素长度 turtle.right(degree) 顺时针移动degree° turtle.left(degree) 逆时针移动degree° turtle.pendown() 移动时绘制图形,缺省时也为绘制 turtle.goto(x,y) 将画笔移…

第一讲：使用html5——canvas绘制奥运五环

<html> <head> <title>初识canvas</title> </head> <body> <canvas id="mc" width="400px" height="200px" style="border:1px solid #c3c3c3;"> </canvas> <script type="te…