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Original post: cocos2D-X source code analysis learning OpenGL from cocos2D-X (3) ---- batch_command The last article introduced the quad_command rendering command, along with VAO and VBO. This article introduces the batch processing rendering command batchcommand. The batch processing command processing is relatively simple in render. 1 else if (commandtype = rendercommand: Type: batch_command) 2 {

) * n i.e. R = 2 * DOT (n,l) * n-l So the final formula is: Ispec = Ks * Il * (dot (V, (2 * DOT (n,l) * n–l)) ^ns 3.blinn-phong Illumination Model (fixed specular light) Blinn-phong is a model modified based on the Phong model with the following formula: Ispec = Ks * Il * (dot (n,h)) ^ns where n is the unit normal vector of the entry, H is the intermediate vector of the light incident direction L and the direction V of the viewpoint, often referred

glint and glsizei ),F indicates a 32-bit floating point number (OpenGL defines this type as glfloat and glclampf ),D indicates a 64-bit floating point number (OpenGL defines this type as gldouble and glclampd ).V indicates that several parameters passed will use pointers. See the example below.These functions have the same function except for the type and number of parameters. For example, the functions of

that uses us as a suffix, with 65535 representing the maximum usage. Specify a shading model OpenGL allows you to specify different colors for different vertices of the same polygon. For example: #include Const gldouble Pi = 3.1415926536; void Mydisplay (void) { int i; //Glshademodel (Gl_flat); Glclear (gl_color_buffer_bit); Glbegin (Gl_triangle_fan); glcolor3f (1.0f, 1.0f, 1.0f); glvertex2f (0.0f,

are fully used. Wait... let's talk about it later.All we have to do is set the color one-time to the color we want to use (in this example, we use blue), and then draw the scene. Every vertex is blue, because we didn't tell OpenGL to change the color of the vertex. The final result is a square in blue. Again, the clockwise square means we see the back of the Quadrilateral. Glcolor3f (0.5f, 0.5f, 1.0f); // set the current color to blue at a time.Glbeg

straight lineA point is painted as true, and if 0, the factor points that should be drawn on the line will be painted as virtual.Here are some examples:Disclaimer: The picture is from www.opengl.org, which is the drawing of the book "OpenGL Programming Guide", due to the old version of the book (first edition,1994) is already circulating in the network, I hope not to touch the copyright issue.Example code:void Mydisplay (void){Glclear (Gl_color_buffe

been explained at the beginning of the article // Caching using vertex buffer objects int VBO, VAO; Glgenvertexarrays (1, VAO); Glgenbuffers (1, VBO); // buffering objects for binding Glbindvertexarray (VAO); Glbindbuffer (Gl_array_buffer, VBO); Use of Buffered objects 1 //Copy the defined vertex data into buffered memory2 //The first parameter, the buffer type, the second parameter data size, the third parameter sends the data, the fourth parameter, the gr

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Method/Step: 1, we download the APK software to install in the computer. 2, and then find a way to apk files from the computer into the mobile phone, and then in the Millet phone "file Manager" will see our installation files. 3, click on the installation package classification, to find the installation package to install, click Open. 4, and then the instal

Download the album list and source code for android (4). Download the android source code The functions of this project are as follows:Obtain the mobile phone album. Click each album to go to the image list page of the album. You can select multiple images on the image list page, and then go to the selected image page, this interface allows you to upload the sel

standard for persistence that Apple brought to IOS with the release of SDK 3. And there's much more! You'll learn to draw using quartz 2D and OpenGL ES, add multitouch gestural support (pinches and swipes) to your applications, and work with the camera, photo library, accelerometer, and built-in GPS. you'll discover the fine points of application preferences and learn how to localize your apps for multipl

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as a "noun" or "Adjective + noun ". The name of a global function must be a "verb" or "Verb + noun ". When only "verb" is used for member functions of the class, the omitted term is the object itself. [3-1-1] avoid numbers in the name. 3. 2 simple windows application naming rules Rule 3-2-1: The class name and function name are combined with words starting with

Android resolution image download: Soft reference must understand 4 pointsPerhaps for Android developers, the word soft reference is not very familiar, soft reference in Java development with more, but, in the development of Android reference soft reference, will solve a lot of problems.AD:1. Strong, soft, weak, and virtual references to objectsTo be more flexible in controlling the life cycle of an object,

Aosp on mako (Click ANDROID 4.4 source code package on nexus 4-download/configure/compile/flash)Aosp on mako (Click ANDROID 4.4 source code package on nexus 4-download/configure/compile/flash)Special thanks to the official google documentation and AOSP source codeReference link:Https://source.android.com/source/buildin

1, Android Transplant is mainly the Linux kernel porting, and the Linux kernel migration is mainly Linux drive migration, in order to develop and test the Linux drive, to build two sets of development environment under Ubuntu: Android Application development environment and Linux kernel development environment;2. Android source code includes: the source code of the application embedded in the Android system, the source code of the various tools of ANDROIDSDK, ANDROIDNDK source code and the HAL s

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