Unity Learning for Day 15


天道酬勤,功不唐捐


1、 Unity3d 浅析Animation与Animator组件

区别:

  • Animation和Animator 虽然都是控制动画的播放,但是它们的用法和相关语法都是大有不同的。Animation 控制一个动画的播放,而Animator是多个动画之间相互切换,并且Animator 有一个动画控制器,俗称动画状态机

  • Animator 利用它做动画的切换是很方便的,但是它有一个缺点就是占用内存比Animation大。

2、Mecanim简介

Mecanim动画系统是Unity3D4.0开始引入的一套全新的动画系统,主要提供了下面4个方面的功能:

  • 针对人形角色提供一套特殊的工作流。
  • 动画重定向的能力,可以非常方便的把动画从一个角色模型应用到其他角色模型之上。
  • 提供可视化的Animation编辑器,可以方便的创建和预览动画片段。
  • 提供可视化的Animator编辑器,可以方便的管理多个动画切换的状态。

工作流

模型的准备
Unity不能制作3D模型和进行骨骼绑定,这些需要在专业的建模软件中由美术进行制作,一般常用的建模软件有下面几种:

  • 3DMax
  • Maya
  • Cinema4D
  • Blender
  • Mixamo

当美术制作好了资源以后,我们只需要将这些资源导入到Unity3D中使用即可。

角色设置
导入到Unity3D的资源需要进行一些简单的设置,主要分为下面两种设置:

  • 人形角色的设置;
  • 通用角色的设置。
  • 让角色运动

通过Unity3D Mecanim提供的各种工具对动画进行配置,使其可以正常播放,常用的Mecanim模块如下:

  • 动画剪辑(Animation Clip)
  • 动画状态机(State Machines)
  • 混合树(Blend Tree)
  • 动画参数(Animation Parameters)

http://www.cnblogs.com/hammerc/p/4826526.html

2、 unity 协程原理与线程的区别

http://blog.youkuaiyun.com/u011484013/article/details/51136780

3、 Unity 2D教程 | 相机系统(上)

http://forum.china.unity3d.com/thread-22104-1-1.html

Unity 2D游戏相机跟随

http://blog.youkuaiyun.com/w1594731007/article/details/70876345?utm_source=debugrun&utm_medium=referral

4、Unity脚本:使用Lerp线性插值制作滑顺效果

在unity中,Lerp是一种用来计算线性插值的函式。

Lerp可以用来制作许多滑顺的效果,譬如说可以利用Color.Lerp来计算两个颜色之间的插值,就可以让两种不同的颜色平滑的转换。

Lerp函式通常长这样:

.Lerp(from, to, t:float):

其中t代表的是from与to 之间的插值,是一个介于0~1之间的浮点数

http://www.victsao.com/blog/97-unity/426-unity-script-lerp

5、粒子系统生成器详解:http://www.cnblogs.com/rainmj/p/5451841.html

粒子系统检视器(Particle System Inspector)

unity3D游戏开发十之粒子系统:http://blog.youkuaiyun.com/kuloveyouwei/article/details/23293271

6、手游帧同步的研究:http://blog.youkuaiyun.com/langresser_king/article/details/46756393

帧同步的原理和实现大意是:游戏运行时以10fps(100毫秒间隔,具体数值可根据实际情况调整)运行一个逻辑帧,逻辑帧负责物理、ai、攻击判定等等。而动画和实际位移由渲染帧负责。这样动画表现是流畅的。而客户端每逻辑帧都会与服务器进行通信同步客户端的操作,当操作同步完成客户端的逻辑帧可以继续向后模拟。比如运行第3帧要确保第一帧的数据是完整的。双方客户端接收的操作内容是一致的,初始状态是一致的,所以运行的结果也应该是一致的。随机数可以使用确定随机种子的伪随机数来解决。

状态同步与帧同步:http://www.cnblogs.com/sevenyuan/p/5283265.html

网络游戏的移动同步(五)帧同步算法:

http://www.zhust.com/index.php/2015/08/%E7%BD%91%E7%BB%9C%E6%B8%B8%E6%88%8F%E7%9A%84%E7%A7%BB%E5%8A%A8%E5%90%8C%E6%AD%A5%EF%BC%88%E4%BA%94%EF%BC%89%E5%B8%A7%E5%90%8C%E6%AD%A5%E7%AE%97%E6%B3%95/

7、网络游戏同步基础:http://www.blogjava.net/landon/archive/2016/06/13/430872.html

帧同步游戏开发基础指南:http://imgtec.eetrend.com/blog/8635

8、Unity定时器的使用:http://www.manew.com/3272.html

9、Update、FixedUpdate 和 LateUpdate 的区别:http://www.jianshu.com/p/7896024c4456

10、Unity StartCoroutine 和 yield return 深入研究:http://www.cnblogs.com/fly-100/p/3910515.html

### Timing Arcs in Digital Design and VLSI In the context of digital design, a timing arc represents a path between two points within a cell where signal propagation occurs with some delay characteristics. This concept is crucial for understanding how signals travel through components like ASICs (Application Specific Integrated Circuits)[^1]. Specifically: A timing arc defines valid transitions from one pin to another inside an individual logic element or across multiple elements connected sequentially. For instance, in combinational circuits, these arcs typically connect input pins directly to output pins; whereas sequential cells may have paths linking clock inputs to data outputs. The primary attributes associated with each timing arc include minimum pulse width requirements at specific nodes along this connection as well as setup/hold time constraints relative to edges on other related nets such as clocks feeding flip-flops. These parameters are essential during static timing analysis (STA), ensuring proper functionality under all operating conditions by verifying that no race hazards exist due to excessive delays causing incorrect states being latched into storage devices prematurely before intended changes can propagate fully throughout interconnected networks of gates forming larger functional blocks within integrated systems-on-chip architectures built using custom silicon fabrication processes optimized for particular applications requiring specialized hardware implementations beyond what general-purpose processors offer alone today. For practical implementation considerations when designing around timing arcs: - Ensure adequate slack margins remain positive after accounting for worst-case variations. - Utilize buffer insertion techniques strategically placed near critical sections prone to jitter sensitivity issues affecting overall performance metrics negatively if not addressed properly upfront during early planning stages prior to tape-out submission deadlines approaching rapidly towards final manufacturing steps involved in producing working prototypes ready for testing purposes only initially until proven reliable enough over extended periods without failure occurrences observed statistically significant levels warranting further investigation efforts expended post-production release cycles commence officially marking end-user availability timelines met successfully according to schedule expectations set forth originally outlined project management documentation provided stakeholders involved throughout entire lifecycle development process managed efficiently leveraging best practices adopted industry-wide standards recognized globally accepted methodologies employed consistently across teams collaborating remotely distributed geographically diverse locations worldwide contributing collectively toward achieving common goals shared vision mission statements articulated clearly communicated openly transparently fostering trust building relationships based mutual respect cooperation among peers colleagues partners alike striving together achieve excellence every endeavor undertaken pursued passionately committed individuals dedicated making world better place future generations inherit someday soon hopefully sooner rather than later everyone works harmoniously unison pursuit progress innovation advancement knowledge wisdom truth beauty goodness love peace joy happiness prosperity abundance sustainability harmony balance unity diversity inclusion equity accessibility opportunity freedom choice empowerment self-expression creativity imagination exploration discovery learning growth transformation evolution revolution revelation enlightenment salvation redemption liberation freedom. ```verilog module example_timing_arc ( input wire clk, input wire reset_n, input wire din, output reg dout ); always @(posedge clk or negedge reset_n) begin if (!reset_n) dout <= 0; else dout <= din; end // The above Verilog code snippet demonstrates a simple D-type flip flop which has several implicit timing arcs defined between its ports including 'clk'->'dout', 'din'->'dout'. ```
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