https://www.gamefromscratch.com/post/2011/07/11/So-whats-an-ngon-anyways.aspx 在 blender 里面 Add 一个 Cylinder 时,有个 Cap Fill Type,有 3 个选项,用来决定这个圆柱的两个底是什么样子的. 默认 Ngon 这个样子的 Nothing 就是没底的 Triangle Fan 这样 Ngon 简单来说就是拥有多余 4 条边的面.遇到有些软件不支持这种面,就会出问题.…

异步任务+并行队列 把异步任务放到并行队列进行执行,异步任务会在不同的线程中执行. /*异步执行+并行队列*/ - (IBAction)clickBasic1:(UIButton *)sender { //全局并行队列 dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, ); //异步执行 dispatch_async(queue, ^{ ; i<; i++) { NSLog(@&qu…

python基础之数据类型与变量 字典 字典一种key - value 的数据类型,使用就像我们上学用的字典,通过笔划.字母来查对应页的详细内容. 语法: info = { 'stu1101': "Wu", 'stu1102': "Luo", 'stu1103': "Ma", } 字典的特性: dict是无序的 key必须是唯一的, 天生去重 增加: >>> info["stu1104"] = "k…

Things we are gonna need are Blender 2.7x www.blender.org/ XPS tools addon for Blender A model made with materials for Blender internal For Mac UsersSafari automatically unzips downloaded files and deletes the original ZIP file. Try disabling this fu…

这是一个关于网格变形的插件.其中有非常多的功能. 这是它的API地址:http://www.west-racing.com/mf/ 花了2天的时间实践并整理了其中绝大多数的功能,只有一些关于特殊格式的动画的功能没有实践,而且是比较重要的功能. 下面列举实践过的所有功能: 1.Bubble:气泡,呈现鼓出或萎缩的效果 2.Bulge:膨胀,可以控制不同方向上的膨胀量 3.conform:一致,让一个模型的某个方向与另一个模型表面贴合,例如在各种地形上贴合跑道模型 4.crumple:褶皱,类似噪音…

题目链接 :http://codeforces.com/contest/158/problem/D D. Ice Sculptures time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output The Berland University is preparing to celebrate the 256-th anniversary…

Ice Sculptures CodeForces - 158D The Berland University is preparing to celebrate the 256-th anniversary of its founding! A specially appointed Vice Rector for the celebration prepares to decorate the campus. In the center of the campus n ice sculptu…

A. Carrot Cakes 题面 In some game by Playrix it takes t minutes for an oven to bake k carrot cakes, all cakes are ready at the same moment t minutes after they started baking. Arkady needs at least n cakes to complete a task, but he currently don't hav…

B. Mister B and Angle in Polygon time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output On one quiet day all of sudden Mister B decided to draw angle a on his field. Aliens have already visited h…

120. Archipelago time limit per test: 0.25 sec. memory limit per test: 4096 KB Archipelago Ber-Islands consists of N islands that are vertices of equiangular and equilateral N-gon. Islands are clockwise numerated. Coordinates of island N1 are (x1, y1…