what alpha value

I want to display translucent data information on a map, similar to the processing of an isothermal map in the weather forecast. How can we map the background image to the top-level image to achieve a translucent effect? -----------------------------

Dirty Shader Dirty coloring allows you to mix another texture to your base material. You can use the same drawcall operation without having to paste a decal. This mixed texture requires a transparent channel, and controls the amount of mixing

Now we try to change the box texture and use a DDS file with Alpha wirefence. Dds, Use DirectX texture tool to open the file interface as follows: In fact, in this figure, some pixels have alpha values and some pixels have alpha values of 0. We can

1. Capture browser events There is a global window under IE. event, which can be used directly after an event is triggered, but does not exist in Firefox. When a trigger event is called to call a function, if this function has no form parameter, by

Extremely small search strategies are generally used in NLP games:   In this way, the deep search policy is used in essence, so it can be implemented using recursive methods. In the search process, the maximum value should be obtained for the search

Post from http://www.cnblogs.com/syqking/archive/2009/10/20/1586993.html Let's get down to the point: Read the. scene file Read the. Terrain file according to () terrain size (xsize, ysize), scaling value (), and Map Center Coordinate ( ).

Crazy fish Http://bbs.ogdev.net/TopicContent.aspx? Boardid = 2 & topicid = 1960 & page = 1 I will translate the help documents based on the SDK and write them out based on my own understanding. Let's take a look. Please point out the incorrect

Static ccclippingnode * Create (); // use a node as the template to create a crop node static ccclippingnode * Create (ccnode * pstencel ); // initialize a cropping node virtual bool Init () without a template; // use a node as the template to

? prefaceThis article is the first article to learn the C # GDI + series, the simple introduction of GDI + some basic drawing content, relatively coarse. But this article is mainly to let everyone briefly review the basic concept of GDI +. Please

Cocos2d-iPhone V3 (2) scenario ConversionCocos2d-iPhone V3 (2) scenario Conversion   1. PreparationsCan I create a scenario?#import cocos2d.h#import cocos2d-ui.h@interface MainScene : CCScene+ (MainScene *)scene;- (id)init;@endThe basic methods

I have encapsulated a class and it is a layer. If necessary, add the layer directly. // it is original in vain. Header file #pragma once#include "cocos2d.h"USING_NS_CC;const int kTagBackground=0;const int kTagClipNode=1;const int kTagTip=2;class

The importance of color key in reversing display functionWith the rapid development of the economy, more and more cars, parking spaces in the city are increasingly difficult to find, parking space is also getting smaller, this time reversing

Everything in OpenGL is in 3D space, but screens and windows are a 2D pixel array, so most of OpenGL's work is about how to turn 3D coordinates into 2D pixels that fit your screen. The process of converting 3D coordinates to 2D coordinates is done

1. Cell child control creation written in Initwithstyle:reuseidentifier2, the background calculation height, layout. Put in the collection the next time you use it.3. Some of the displayed content has rich text, especially when converting from HTML

1. Basic issues and relatedCommon techniques to Improve Shadow Depth Maps:https://msdn.microsoft.com/en-us/library/windows/desktop/ee416324 (v=vs.85). aspxcascaded Shadow Mapshttps://msdn.microsoft.com/en-us/library/windows/desktop/ee416307 (v=vs.85)

22. Resolve Messagesent to deallocated instance 0x52cc690 error This error occurs when attempting to assign a value to an object, such as the following: Tfcontent.text=bodytext; At this point, you can turn on the nszombieenable option, and the

Solve the messagesenttodeallocatedinstance0x52cc690 error. This error occurs when you try to assign a value to an object. 22. Solve the messagesent to deallocated instance 0x52cc690 error. This error occurs when you try to assign values to an object,

This article by Harry _ Spider-Man original, reproduced please indicate the source! If you have any questions, please contact [email protected] This time we continue to talk about Jim Adams old brother's RPG Programming Book Second Edition, chapter 4

Although modern browsers already support many of the CSS3 properties, most designers and developers seem to be focusing on some of the most "mainstream" attributes, such as Border-radius, Box-shadow, or transform. They have good documentation, good

Stage 1. Vertices-and entitiesThe geometric vertices are combined into elements (points, segments, or polygons), then elements are synthesized, and the last element is converted to the pixel data in the frame cache.Stage 2. Elements and elementsThe