3D game engine LOD system achievement method

An implementation method and 3D game technology, applied in the field of 3D game and panoramic roaming development, can solve the problems of low rendering efficiency, low model accuracy, and difficult terrain rendering, and achieve high rendering efficiency, high model accuracy, and low terrain rendering difficulty Effect

Inactive Publication Date: 2014-09-17
WUXI FANTIAN INFORMATION TECH
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Problems solved by technology

[0006] In the process of realizing the present invention, the inventors found that there are at least def

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  • 3D game engine LOD system achievement method
  • 3D game engine LOD system achievement method
  • 3D game engine LOD system achievement method

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[0046] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0047] According to an embodiment of the present invention, such as Figure 1-Figure 9 As shown, a method for implementing a 3D game engine LOD system is provided, specifically a method for developing a 3D game involving a 3D game engine and an application, which can greatly improve rendering efficiency.

[0048] The implementation method of the 3D game engine LOD system of the present embodiment includes the implementation method of the terrain LOD, and the implementation method of the terrain LOD mainly includes:

[0049] a. Imagine the scene to be drawn as a large terrain block, and divide the terrain block into M*N-dimensional grid terrain blocks, where M and N are both natu...

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Abstract

The invention discloses a 3D game engine LOD system achievement method. The achievement method mainly includes the steps that a scene to be drawn is imaged to be a large terrain block, and the terrain block is divided into terrain block bodies in the specification of M*N, wherein M and N are both natural numbers; the vertex height value of each terrain block body is raised or reduced, namely the Y value of the vertex of each terrain block body is changed, the uneven terrain block is produced, and in the terrain coordinates XOZ, check terrain block bodies, namely terrain checks, corresponding to the plane where the terrain block is located are overlooked; a scene graph with a low resolution ratio is drawn according to different scenes, produced along with moving of a camera, of each terrain block body. According to the 3D game engine LOD system achievement method, the defects that in the prior art, model precision is low, terrain graphs are difficult to draw and rendering efficiency is low are overcome, and the advantages that the model precision is high, the terrain graphs are not difficult to draw and the rendering efficiency is high are achieved.

Description

technical field [0001] The invention relates to the technical field of 3D game and panorama roaming development, in particular to a method for realizing a 3D game engine LOD system. Background technique [0002] Video games are one of the most popular entertainment and leisure methods nowadays, and with the development of video games for more than 30 years, more and more realistic 3D graphics game engine technology has become the top priority in today's game field, and graphics The optimization scheme of technology in operation processing has become an important link that directly affects the development of games. In order to ensure the smooth output frame rate of 3D graphics images under the current computer computing capabilities, various optimization methods for 3D graphics effects are game engines and graphics technologies. One of the research focuses of developers. [0003] LOD technology is the abbreviation of Levels of Detail, that is, multi-level of detail. This tec...

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Application Information

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IPC IPC(8): G06T15/00G06T13/40
Inventor 张翼
Owner WUXI FANTIAN INFORMATION TECH
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