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1 Applyforce/tocenter (). How this force is calculated (Newton's second Law F=ma)2. Linearvelocity () is pixel/meter (see source)3 Why is the speed up to frame four? Http://docs.cocos.com/creator/api/zh/classes/RigidBody.html#applyforcetocenter The official website documents are so introduced Applyforcetocenter (), Applyforcetocenter Exerts a force on the centroid of a rigid body.MetaDescriptionDefined inhttps:/github.com/cocos-

Introduction to Qt creatorThrough the previous "QT QuickStart (Vim Pure Code writing)" Learning that only set up the QT environment (QT Library and development tools ), you can use vim pure code to write QT program, and then use QT qmake tools to compile QT code, the specific process is as follows: 1) Write Qt code 2) generate project files via qmake-project 3" project file: QT + = widgets 5" to generate the required executable program by make compiled code

Introduction to Qt creator Through the previous "QT QuickStart (Vim Pure Code writing)" Learning that only set up the QT environment (QT Library and development tools), you can use vim pure code to write QT program, and then use QT qmake tools to compile QT code, the specific process is as follows: 1) Writing Qt code 2) Generate project files through Qmake-project 3) Add the required modules to the project file: QT + = Widgets 4) Generate Makefile wi

The role of the Creator mode can be summarized as follows: 1. encapsulate the creation logic, which is not just as simple as a new object. 2. encapsulate the creation logic changes. The customer code should not be modified or modified as little as possible. The Creator mode is used to improve the maintainability and scalability of the system and improve the ability to respond to changes in requirements! --

4. creator Mode 1. Motorcycle Assembly System These examples are suitable for beginners and easy to understand,After reading it, I got an impression on what it looks like. Motorcycle = frame + wheel + tire + engine. First, design motorcycles and various parts: Motorcycle: public interface motorcycle {void build ();} public class motorcycle1 implements motorcycle {void build () {sysout. out. println ("start assembling a motorcycle... ") ;}} motorcycle

This article uses examples to show us the Creator mode in the php design mode and the scenario in which the Creator mode is applied. We recommend it to you here. This article uses examples to show us the Creator mode in the php design mode and the scenario in which the Creator mode is applied. We recommend it to you he

I have tried it many times in ubuntu10.10 and Red Hat Enterprise 6, and there are compilation errors! The final change is to miniora 9 in the mini2440 user manual, which indicates that the establishment of the development environment is related to the system. Some online users say that the GCC versions of the two systems are too new, but I tried the GCC compiler of the earlier version, the problem persists! Refer to the arm development environment for building QT

Simple analysis of PHP creator mode and analysis of PHP creation Creator mode: In the creator mode, the client is no longer responsible for the creation and assembly of objects, but rather the responsibility of creating the object to its specific creator class, the Assembly of responsibility to the Assembly class, the

The article original in Qter Open source community (www.qter.org), author Yafeilinux, reprint please indicate the source!I. Introduction to QT and QT CreatorQt is a cross-platform application and UI development framework. With Qt you only need to develop your application at once, and you can deploy these applications across different desktop and embedded operating systems without having to rewrite the source code.Qt Creator is a new cross-platform Qti

WIN7 Qt Creator installation QWTEnvironment: WIN7 +QT Creator 2.6.21. Download QWT source codeQwt-6.1-rc3.zip2 Compiling QWTOpen projects-> Find the Qwt.pro file->open in the extracted qwt-6.0.1, find designer->qwtbuild->qwtbuild.pri modified to 5. Run the build61) Copy the *.dll from the QWT source D:\Qt\qwt-6.1-rc3\lib directory toQT SDK under D:\Qt\Qt5.0.1\5.0.1\mingw47_32\bin directory2) Copy the *.a fr

PDF Creator v5.0 is a PDF developed by Canadian company Amyuni Technologies.Create and edit controls. The company is committed to providing users with the best experience, and now the control is updated to v5.0, especially in Windows 7/8.Supports gestures and touch screensAnd improves the performance of the JBIG2 compression and decompression engine.Reduced processing time for PDF documents. Now let's take a look at the update details. In addition t

These two days, the news about the WIN10 creator update continues to occupy the large sections, the Internet is full of all kinds of show upgrade, show updated. Bug ... Have you ever wondered what it would be like if one day your computer told you that you couldn't upgrade to the latest version? Today's small series to tell you, how to easily solve this annoying trouble!This tip doesn't know how many people have seen it.1. InquiringMicrosoft's languag

Animation is a gradual process, how to implement this process in the Cocos creator Animation editor.First, hierarchical relationship:1 nodes , 2 animations (Animation), 3 animated clips (Animation clip), 4 property Tracks , 5 animated framesA. animation (Animation) is a component on a node.B. An animated clip (Animation clip) is an animated declaration of data that is mounted on an animation (Animation) as a property setting.C. Animated clips (Animati

company, even if I know more, but also did not receive professional training, a lot of knowledge is superficial knowledge just. Thinking twice, I decided to find a training system to learn professional knowledge. I searched the internet for several training institutions, and compared the reputation of the training institutions, finally decided to choose Huaqing Vision. This training organization gave me the first impression is still more reliable, let me most interested in their "star creators"

Install QT libraries for Windows (available from the http://qt-project.org/downloads) Install QT Creator for Windows (available from the http://qt-project.org/downloads) Install debugging tools for Windows (available at http://msdn.microsoft.com/en-us/windows/hardware/hh852360) Configure QT creator. After debugging tools for Windows is installed, QT automatically recognizes Set the symbol path conte

In fact, the solution to the problem is very simple: QT does not support the path of Chinese, the source of the path of all the changes to English can solve the problem.The first problem occurs when I run the online example program, rebuild the compilation is also an error, hint:Cannot find FILE:F:\PRO\QT\QT5 development and instance \ Book source program \ch1\ch101\dialog\dialog.pro.21:55:03: Process "D:\Qt\Qt5.5.0\5.5\msvc2013_64\bin\qmake.exe" exits, exit code 2.Error while Building/deploying