CN101309473A - Method for implementing three-dimensional scenic main menu in mobile communication terminal - Google Patents
Method for implementing three-dimensional scenic main menu in mobile communication terminal Download PDFInfo
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- CN101309473A CN101309473A CNA2007100408241A CN200710040824A CN101309473A CN 101309473 A CN101309473 A CN 101309473A CN A2007100408241 A CNA2007100408241 A CN A2007100408241A CN 200710040824 A CN200710040824 A CN 200710040824A CN 101309473 A CN101309473 A CN 101309473A
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- main menu
- communication terminal
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Abstract
The invention discloses a method for realizing the main menu of a 3D scene at a mobile communication terminal. The method comprises the following steps: firstly, a buffer memory area is turned on in RAM, secondly, a 3D object, a material chartlet and a background picture are read from a 3D scene model data set (constructed by 3DMAX), and then a timer is used to color the objects to the LCD display buffer memory area regularly. After the message sent by the user through input equipments such as key-presses or a touch screen is received, the 3D object can form a dynamic effect visually according to specific algorithm or the frame animation variation pre-constructed in 3DMAX. Simultaneously, the motion of the 3D object is added with sound effect by using sound sources such as MIDI or MP3 to ensure that the effect is more vivid. Because the API of OpenGL is used in the method, the versatility is good, and the method is easy to transfer to different developing platforms.
Description
Technical field
The present invention relates to a kind of 3D (three-dimensional) scenic main menu implementation method that is used on the mobile communication terminal.
Background technology
The application of current multimedia graph image technology on wireless communication terminal equipment is very extensive, because the restriction on the hand-held terminal device hardware, the technology great majority that have been applied in the mobile phone products show as 2D (two dimension) graph image.Along with the operational capability raising of hardware device, 3D (three-dimensional) scene is used on handheld terminal has become a kind of inevitable trend.OpenGL
Be to use and the drawing API of exploitation at the hand-held periphery of 3D especially, be fit to mobile communication terminal and use.
Summary of the invention
The purpose of this invention is to provide a kind of method that realizes the 3D scenic main menu at mobile communication terminal.
The objective of the invention is to be achieved through the following technical solutions:
Of the present invention a kind of at mobile communication terminal with the method for dynamic 3D scene as main menu, comprise step: at first in RAM, open a buffer area, from 3D model of place data set (by the 3DMAX structure), read 3D object, texturing, background picture again, utilize timer then at set intervals, these objects are rendered into LCD display buffer district.After receiving the message that the user sends by input equipments such as button or touch-screens, the 3D object can be according to special algorithm or is changed at the frame animation of 3DMAX structure in advance, makes and visually forms dynamic effect.Can be equipped with audio for the 3D motion of objects with sources of sound such as MIDI or MP3 simultaneously, make effect more true to nature.
Buffer area of described unlatching, the limited size of this buffer area are in the RAM of mobile device remaining space, and enough big buffer area can be used for playing up more complicated and meticulous 3D object.Because the dominant frequency of the MCU of mobile device has limited arithmetic speed, best mode is to adopt the suitably buffer area of size, can avoid unnecessary space waste when guaranteeing rendering speed.
For the fluency that shows that the 3D scene makes up, need to reduce the face number of 3D object in the design as far as possible, do not use point-source of light, and be to use the mode of pinup picture to imitate shade and material, texture; Maximal side and camera viewfinder range to object have all been done restriction.
After from 3D model of place data set (by the 3DMAX structure), reading 3D object, texturing, background picture, adopt 2 kinds of modes to come transforming 3D scene: one, play with key frame (KEYFRAME); Its two, with the API of OpenGL to object carry out convergent-divergent, move, interpolation, deletion action or to camera movement.Look the requirement of different scene effect, 2 kinds of modes can be used in combination.
Opening timing device time-delay certain hour, in the 3D buffer area, the 3D scene carried out computing after, again the 2D projection in camera of current 3D scene is flushed to LCD and gives display buffer.The interval of timer refresh time enough in short-term (＞10fps), can reach the effect of dynamic background visually.
After mobile communication terminal received message from the user, program at the function entrance of different messages definition, was carried out different 3D scene changes according in advance, perhaps withdraws from the 3D main menu and enters other operation interface.
3D main menu program withdraws from step and is: at first stop timer work, remove the side's of using message interface again, empty the content in 3D scene buffering district then, discharge buffer area at last.
Positive progressive effect of the present invention is: can be implemented on the mobile communication terminal with the 3D scene as main menu, and owing to use the API of OpenGL, so versatility is good, be convenient to be transplanted to different development platforms.
Description of drawings
Fig. 1 is the 3D main menu inlet flow chart of 3D main menu implementation method among the present invention.
Fig. 2 is the 3D main menu outlet flow chart of 3D main menu implementation method among the present invention.
Embodiment
Provide a preferred embodiment of the present invention below in conjunction with Fig. 1 and Fig. 2, to describe technical scheme of the present invention in detail.
As shown in Figure 1, a kind of method that is used to realize the 3D scenic main menu of mobile communication terminal is at first set up 3D scene buffering district (step 1001,1002), and the big I in described 3D scene buffering district is set as required, is set at 1200KB in the present embodiment.
The API that calls OpenGL reads the 3D contextual data and (is initialized static array in the present embodiment, comprise 8 3D objects) (step 1003), set the initial position of acquiescence camera, set environment light, the initial position (or initial key frame) (step 1004) of setting 3D object.
Main menu will be realized the effect that draws near in the present embodiment, and the user can switch to a previous or back main-menu option with left and right sides arrow on the keyboard.When entering next main-menu option, previous 3D object is deleted from the 3D scene, the new 3D object of a current option of representative that adds is in the 3D scene, the initial position of this 3D object is in the position away from camera, rotating to camera gradually and drawing close, realize 3D dynamic effect ( step 1005,1006,1007).
Call the API of OpenGL, convergent-divergent, mobile 3 D object, or delete, add operation.Realize playing up each time scene change to display buffer (step 1008) by opening timing device circulation.
As shown in Figure 2, when the interface of main menu outlet is triggered (step 2001), 3D main menu program withdraws from step: at first stop timer (step 2002), remove the user message interface (step 2003) of definition again, empty the content (step 2004) in 3D scene buffering district then, discharge buffer area (step 2005) at last.
Claims (8)
1, a kind of method that realizes three-dimensional scenic main menu in mobile communication terminal comprises step:
At first in RAM, open a buffer area, read 3D object, texturing, background picture from 3D model of place data centralization again, use timer regularly these objects to be rendered into LCD display buffer district then.
2, the method for a kind of three-dimensional scenic main menu in mobile communication terminal of realization according to claim 1 is characterized in that, constitutes the user interface of main menu with dynamic 3D object.
3, the method for realization three-dimensional scenic main menu in mobile communication terminal according to claim 1, it is characterized in that, this buffer area of opening in internal memory, as the temporary space of storage and computing 3D scene, the size of buffer area is directly proportional with the arithmetic speed of MCU (dominant frequency).
4, according to the method for claim 1 or 3 described realization three-dimensional scenic main menu in mobile communication terminal, it is characterized in that, during program running the 3D scene is carried out after the computing its 2D projection that obtains being flushed to LCD display buffer district in buffer area.
5, the method for realization three-dimensional scenic main menu in mobile communication terminal according to claim 1, it is characterized in that, after reading 3D object, texturing, background picture from 3D model of place data centralization, adopt 2 kinds of modes to come transforming 3D scene: one, play with key frame; Its two, with the API of OpenGL to object carry out convergent-divergent, move, interpolation, deletion action or to camera movement.
6, the method for realization three-dimensional scenic main menu in mobile communication terminal according to claim 1, it is characterized in that, the face number that in the structure design of 3D scene, needs as far as possible to reduce the 3D object, and the mode of using pinup picture imitates shade and material, texture, and the maximal side and the camera viewfinder range of object all limited.
7, the method for realization three-dimensional scenic main menu in mobile communication terminal according to claim 1 is characterized in that, the main menu program process is played up in the timer time-delay 20ms circulation of opening.
8, the method for realization three-dimensional scenic main menu in mobile communication terminal according to claim 1, it is characterized in that, 3D main menu program withdraws from step: at first stop timer work, remove the user message interface again, empty the content in 3D scene buffering district then, discharge the buffer area of being opened at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100408241A CN101309473A (en) | 2007-05-18 | 2007-05-18 | Method for implementing three-dimensional scenic main menu in mobile communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100408241A CN101309473A (en) | 2007-05-18 | 2007-05-18 | Method for implementing three-dimensional scenic main menu in mobile communication terminal |
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| CN101309473A true CN101309473A (en) | 2008-11-19 |
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| CNA2007100408241A Pending CN101309473A (en) | 2007-05-18 | 2007-05-18 | Method for implementing three-dimensional scenic main menu in mobile communication terminal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053785A (en) * | 2009-10-27 | 2011-05-11 | Lg电子株式会社 | Method for displaying a three-dimensional menu in mobile terminal and mobile terminal thereof |
| CN102546919A (en) * | 2010-12-30 | 2012-07-04 | 上海三旗通信科技股份有限公司 | Method for realizing curtain special effect on mobile phone |
| CN102654921A (en) * | 2011-03-03 | 2012-09-05 | 福建星网视易信息系统有限公司 | Three-dimensional graphic engine for managing objects |
| CN102654922A (en) * | 2011-03-03 | 2012-09-05 | 福建星网视易信息系统有限公司 | Message management engine |
| CN102707937A (en) * | 2011-08-29 | 2012-10-03 | 新奥特（北京）视频技术有限公司 | Realization method and system for touch screen menu scene in image-text system |
| CN103577046A (en) * | 2013-10-24 | 2014-02-12 | 广州市久邦数码科技有限公司 | 3D stereoscopic desktop system and implementation method thereof |
-
2007
- 2007-05-18 CN CNA2007100408241A patent/CN101309473A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053785A (en) * | 2009-10-27 | 2011-05-11 | Lg电子株式会社 | Method for displaying a three-dimensional menu in mobile terminal and mobile terminal thereof |
| CN102546919A (en) * | 2010-12-30 | 2012-07-04 | 上海三旗通信科技股份有限公司 | Method for realizing curtain special effect on mobile phone |
| CN102654921A (en) * | 2011-03-03 | 2012-09-05 | 福建星网视易信息系统有限公司 | Three-dimensional graphic engine for managing objects |
| CN102654922A (en) * | 2011-03-03 | 2012-09-05 | 福建星网视易信息系统有限公司 | Message management engine |
| CN102654922B (en) * | 2011-03-03 | 2014-11-05 | 福建星网视易信息系统有限公司 | Message management engine |
| CN102707937A (en) * | 2011-08-29 | 2012-10-03 | 新奥特（北京）视频技术有限公司 | Realization method and system for touch screen menu scene in image-text system |
| CN103577046A (en) * | 2013-10-24 | 2014-02-12 | 广州市久邦数码科技有限公司 | 3D stereoscopic desktop system and implementation method thereof |
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Open date: 20081119 |