keystroke detection

Capsule ray detection and cylinder similar, only the upper and lower two faces replaced by two hemispheres, the code is slightly different.Capsule type definitionpublic class Capsule:ngeometry {public Vector3 p0; Public Vector3 p1; public float radius; Public Capsule (Vector3 _p0, Vector3 _p1, float _radius) : Base (geometrytype.capsule) { p0 = _p0; P1 = _p1; radius = _r

JS-Collision Detection and Collision Detection A simple Collision Detection example is used to check whether div1 is in conflict with div2. When div1 encounters div2, it changes the color of div2. Take a look at the analysis diagram: When div1 is active in a region above div2 (t2 ), When div1 is active in the right line (r2) of div2 in the right area When d

JavaScript type detection and javascript type detectionJavaScript is loose, that is, they are not compared before using variables and function parameters to ensure that their data types are correct. Javascript has five basic data types: Undefined, Null, Boolean, Number, and String, and a complex data type Object. JS does not support any mechanism for creating custom types. All values will eventually be one of the above six data types.The typeof operat

JavaScript code sharing for collision detection special effects and js Code for collision detection Special Effects I encapsulated the collision detection by myself. Let's take a look at the demo of the instance and look at the encapsulation. Function Encapsulation Function isCrash (obj1, obj2) {var boolCrash = true; // assuming true is the collision var left1 =

Cocos2d-x-3.3-020-Collision Detection 2-physical engine, cocos2d Collision Detection The original text is synchronously published on my wiki. To view the original text or updates, go to: Click the open link. Principle I don't understand. I didn't have a deep research into the physical engine... But it can be used. Demo and source code Based on cocos 3.4 final Https://github.com/cheyiliu/CollisionDetec

Before the computer vision class, the teacher demonstrated a moving target detection program. Feel fun, go back and write a.Moving target detection based on frame difference method + threshold (thresholds). The median filter was processed before the detection, and the threshold value was set manually. Effect of the general bar. Clear all; Close all; CLC; Mov=vid

The Windows Phone operating system can take actions to reduce power consumption on the device when it detects that the user or the current application is in an idle state. depending on the type of application you are creating, you may need to disable idle detection for users or applications. this topic explains how to modify the operating system's idle behavior. Important Note: This Windows Phone feature has certification requi

A detection function that determines whether the serial port receives new data. The serial port receives the detection function. Unsigned char Rxdsuc_test (){Unsigned char noRxd_time = 10; // It is deemed that the data has been accepted after 10*5 ms and the next character is not received.If (newRxd_flag) // when the sci serial port receives a character, newRxd_flag is set to 1; noRxd_flag i

Testing ideasThe first thing to do is to convert box to AABB and then determine if the center is in box, using the SATIf the center is inside the box, it must intersect,If it is not within the center of the circle, there are four cases, intersecting the vertices, intersecting with the faces, and intersecting the polygons, where the determination is also determined by the SAT.In two dimensions, if the center is not inside the box, there are a couple of casesJust compare the length of the red line

LeakCanary: simple and crude memory leak detection tool, leakcanary Leak Detection Almost every programmer may experience memory leakage during development. How can we detect memory leakage in the app? Square introduces LeakCanary, a simple and crude tool for detecting memory leaks. What is memory leakage? Memory leakage refers to the failure of the program to release memory that is no longer in use due to

Android apk automatic detection and upgrade and androidapk Detection First, obtain the local apk version: /*** Obtain the local software version*/Public static int getLocalVersion (Context ctx ){Int localVersion = 0;Try {PackageInfo packageInfo = ctx. getApplicationContext (). GetPackageManager (). getPackageInfo (ctx. getPackageName (), 0 );LocalVersion = packageInfo. versionCode;Log. d ("TAG", "version of

Mobile Security Guard-virus detection and removal, and security guard virus detection and removal Public classAntivirusActivityExtends Activity {TextView TV _init_virus; ProgressBar pb; Message msg; ImageView iv_scanning; LinearLayout ll_content; protected void onCreate (Bundle savedInstanceState) {// TODO Auto-generated method stub super. onCreate (savedInstanceState); initUI (); initData ();} static class

Application of physics knowledge in iOS Animation: Angry Birds-Collision Detection and ios Collision DetectionCollision Detection Source code: https://github.com/Esdeath/07-13- I believe that iOS players are more or less familiar with the ball play game. The trajectory of a different point can be changed. For many people, if they do not know the idea, they may think that the ball hits the screen, and it see

Cocos2d-x map with the genie unlimited rolling and edge detection ---- game development "Zhao cloud to fight", Edge Detection This chapter in the previous Cocos2d-x Custom button control genie attack ---- game development "Zhao cloud to fight" on the basis of the implementation of the genie to the right to the middle of the map, the map can follow the movement, however, in this case, the genie only plays th

Memory leakage and a simple detection method, memory leakage detection1. What is Memory Leak )? Simply put, a memory space is applied for and is not released after use. Generally, the longer the program runs, the more memory it occupies, and the entire system crashes. A piece of memory applied by the program, and no pointer points to it, the memory will be leaked. 2. Hazard of Memory leakage From the perspective of user programs, memory leakage does n

C language basics (6) (program error macro detection) (enumeration), program enumeration DetectionI. macro check for program errors 1. Macros INCLUDED IN THE SYSTEM _ FILE _ // The number of lines in the FILE _ LINE _/2. A custom macro is required. #define handle_error(msg) (do{perror(msg); \ exit(EXIT_FAILURE);}while(0)) Explanation: Perror: Check the macro of the system error. Once a system error occurs, an error number (errno) is generated, corr

Import Java. io. file; An android tool class used in the past, Version Detection and automatic update. Poor versatility, right to take notes. Package COM. hiyo. game. PDK. tool; // Obtain the package name and version:

Emvisi2: A Background Subtraction Algorithm, robust to sudden light changes Making Background Subtraction robust to sudden illumination change Emvisi2 is a Background Modeling proposed by the Swiss Federal Institute of Technology computer laboratory.Algorithm. From cvchina: We can see emvisi2, a foreground Detection Algorithm of EPFL. It seems that the effect is quite good (video ). The highlight is the ability to deal with drastic illum

1. Under the white cloud of the mobile phone we find the "application" icon, and then click it to enter, as shown in the following figure. 2. Next to the application interface, we click "Set" below the first tab in this interface. 3

Let's look at a piece of code and then explain. Import android.app.Activity; Import Android.os.Bundle; Import Android.util.Log; Import android.view.KeyEvent; Import Android.widget.Toast; public class Mainactivity extends activity