Example introduction Cocos2d-x physical engine: Using joints, cocos2d-x Engine
In the game, we can constrain the motion of two objects by joint. We use a distance joint instance to describe how to use the joint.
In the running scenario of this instance, when the scenario is started, the player can touch and click the screen. Each time a touch is made, two new genie will be generated at the touch point and nearby, their operation is free-body movement,
support for box2d, I try to simplify the box2d encapsulation. However, as box2d is a physical engine filled with physical concepts (World, rigid body, quality, acceleration, elasticity, density, damping, etc ~), To actually use the physical engine encapsulated by lgame, you still need to learn more about box2d. Otherwise, I am afraid it is difficult to start. Even if you are a younger brother, you can't go through the box2d documents ......
However, lgame is relatively simple in the encapsulati
Basic knowledge of Cocos2d-x: game flow control, Scene, layer, Genie 1, Scene and flow control Scene (Scene): relatively unchanged content of the element set called Flow Control (flowcontrol ): the game switching process between scenes is called Process Control in the Cocos2d-x, the realization of the scene is CCScene. 2. layer-by-layer subordinate scenarios
Basic knowledge of Cocos2d-x: game flow control, Scene, layer,
"Cocos2d-x game development practice" Study Notes 1-show the image in Cocos2d, cocos2dx practice
The images in the Cocos2d-x are displayed through the sprite class. In the Cocos2d-x game every role, monster, item can be understood as a genie, game background as a special unit to understand it as a genie is nothing wrong. The project ChapterThree03 under the source file in this chapter directory shows how to
game in order to facilitate the management of a certain kind of things. For example, the plants in the game are a layer, all the logical relationships and representations of plants are in this layer. Even if a problem occurs on this layer, it is only a problem on this layer and will not affect other elements in the game. The separate layer is modular, which facilitates management and development by many people.
Sprite
The layer is introduced above, but the concept of a light layer does not hav
(); void spriteMoveFinished(Node* sender); void gameLogic(float dt);First, add a player to the left center of the screen.
HelloWorldScene. cppFile
InitFunction, as follows:
bool HelloWorld::init(){ bool bRet = false; do { CC_BREAK_IF(!LayerColor::initWithColor(Color4B(255, 255, 255, 255))); Size winSize = Director::getInstance()->getWinSize(); _player = Sprite::create("Player.png"); _player->setPosition(Point(_player->getContentSize().wid
example shows how to create an input directory, put some files, and run Hadoop:
$ Mkdir input$ Cp etc/hadoop/*. xml input$ Bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.1.jar grep input output 'dfs [a-z.] +'$ Cat output /*Pseudo-distributed Hadoop can also be run in a pseudo-distributed environment. Each Hadoop node is an independent Java Process. The configuration files to be configured include:
Etc/hadoop/core-site.xml:
Etc/hadoop/hdfs-site.xml:
Set ssh to log on withou
Many friends asked how to crack the recovery cardIn fact, it is not difficult to crack the restoration.
First of all, you need to know what the recovery card is used to crack the recovery card.Here we will explain how to find the type of recovery card used on your computer.
Specific Method:
1: generally based on experienceOr view the startup Item.
The most effective methodDuring the startup process, the computer calls out the restoration software using the hotkey.
For example, restore
step is normal and no problem.Next, the Genie jerked a small distance in the opposite direction. This distance is very, very small, that is, near Point B on the graph, about 0.00234% of the total moving distance.The genie then begins to move toward the target point at a varying speed. The sprite goes back to its original position after point a. At this point, the movement we designed was just beginning.If
Cocos2d-x3.0 mobile game development C ++ instance Parkour
From here on, there are many differences with those of our predecessors.
In mainscene, in the start button, we will use the callback function to enter our game scenario.
So in the game scene we define: playscene, and is a scenario with a physical world, cocos2d-x 3.0 to create a physical scene is very simple, because it all help us encapsulate.
In this step, we mainly complete the following functions in playscene:
1. Create a physical wo
macros for traversing the _ array container:? Ccarray_foreach. Forward traversal.? Ccarray_foreach_reverse. Reverse traversal.Instance :__ array containerNext we will introduce the related functions in the _ array container through an example. Scenario: Click Go in the lower-right corner to add 100 genie to the scenario._ Array container instance
To implement the above functions, we do not use _ array. However, to familiarize ourselves with the _ arr
in China that requires a registered member to be loaded is derived from this framework. Therefore, you do not need to think that billing is always good and free is definitely not good.
The minimum runtime environment is Android 1.5.
Project address: http://code.google.com/p/rokon/
3. LGame
LGame is a Java game engine developed by Chinese people. It has two development versions: Android and PC (J2SE). Currently, the highest version is 0.2.6 (31/07/10 ). The LGrpaphics at the bottom layer encapsu
: @ "background.png"];
[Bg setPosition: ccp (160,240)];
[Self addChild: bg z: 0];
For loading. for an image in pvr format, you only need to replace the name in the above Code. you just need to add the pvr image to the project file.
The second case is that we often see what someone said, using tools to load all the sprite images used in the game into the memory at a time, and adding the sprite table file. plist method. In this case, how can we easily use the various
derived from this framework. Therefore, you do not need to think that billing is always good and free is definitely not good.The minimum runtime environment is Android 1.5.Project address: http://code.google.com/p/rokon/3. lgame Lgame is a Java game engine developed by Chinese people. It has two development versions: Android and PC (j2se). Currently, the highest version is 0.2.6 (31/07/10 ). The lgrpaphics at the bottom layer encapsulate all graphics APIs provided by j2se and j2s (PC uses graph
March 18, 2015
Today, I continue to read some data structures, or binary trees, but I am not very familiar with it. If I want to learn this, I have to do it myself. Instead, I have to study it slowly. This is also an entry point. For details about recursion, tree, graph, and 8-level sorting, please implement them slowly.
Today, I mainly read cocos2dx, including the concepts of anchor, zorder, coordinate system, and optimization of genie.
First of all,
Cocos2d-x ios game development first understanding (7) simple animation
In the previous section, frame animation is used to change the position, shape, and size of the genie to realize the corresponding action. This section mainly describes how to move the genie, various dazzling animations may also help you find some game scenarios.
The following code is used for analysis:
For clarity, it is best to commen
layer.Games.
Layer overlays are ordered. For example, the background of an image numbered 1 is located at the bottom, in the middle of the second, and at the top of the third. The content in the top layer will overwrite the content in the bottom layer.
This order is also used for event response mechanisms in programming models. That is, Layer 3 first receives the system event (click the screen event with your finger), followed by ID 2 and last number 1. When an event is transmitted, if a layer
Cocos2d-x-3.3-023-imitation aircraft war-overall analysis and modeling, cocos2dx3.3
The original text is synchronously published on my wiki. To view the original text or updates, go to: Click the open link.
Overall Analysis
I started to understand the problem.
The visible elements in the game use the is-a genie, or the has-a genie: directly inheriting the genie
visibleSize = Director: getInstance ()-> getVisibleSize ();
Auto body = PhysicsBody: createEdgeBox (visibleSize, PHYSICSBODY_MATERIAL_DEFAULT, 3); // set the physical body to be added to the node. This Box is not subject to collision detection !!!
Auto edgeNode = Node: create ();
EdgeNode-> setPosition (Point (visibleSize. width/2, visibleSize. height/2 ));
EdgeNode-> setPhysicsBody (body); // Add the physical body to the created node.
Scene-> addChild (edgeNode); Add the created physical
IntroductionThis article describes how to perform precise and efficient Collision Detection in 2D action games. Here, the collision is based on Polygon rather than on the genie. The two are designed differently. The collision detection based on the genie is completed by overlapping pixels between the elves. The polygon uses vector mathematics to accurately calculate the intersection, time, and collision dir
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