Model highlight rendering method and device and electronic equipment

A highlight and model technology, applied in the field of model rendering, can solve problems such as low rendering efficiency and poor painting effect, and achieve the effect of improving rendering efficiency

Pending Publication Date: 2022-04-22
NETEASE HANGZHOU NETWORK
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The three-dimensional effect of the model rendered by this method is more in line with the physical highlight effect in the

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  • Model highlight rendering method and device and electronic equipment
  • Model highlight rendering method and device and electronic equipment
  • Model highlight rendering method and device and electronic equipment

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[0028] To make the object, technical solution and advantages of the embodiments of the present invention more clear, the following will be combined with the accompanying drawings of the technical solution of the present invention will be clearly and completely described, obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on embodiments in the present invention, all other embodiments obtained by those skilled in the art without doing inventive work, are within the scope of protection of the present invention.

[0029] In a real-time non-photography rendering (NPR) scene, a complete rendering result generally contains direct lighting and indirect lighting, and direct lighting contains two parts, diffuse reflection and specular reflection, of which the direct light specular part is also called the highlight part, which has a greater impact on the light and shadow effects of the model. In a virtual scene rendered with ...

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Abstract

The invention provides a highlight rendering method and device of a model and electronic equipment. The method comprises the following steps: calculating an initial highlight parameter of a target model through a preset illumination model; acquiring a shape gradient parameter of the target model; wherein the shape gradient parameter represents the relative position between the vertexes of the target model; adjusting the initial highlight parameter based on the shape gradient parameter to obtain a highlight parameter of the target model; and performing highlight rendering on the target model based on the highlight parameters. According to the method, the rendering effect has a certain drawing style while ensuring that the rendering effect of the highlight approximately conforms to the anisotropic law, the effect requirement of an unreal rendering scene is met, and meanwhile, the rendering efficiency of the highlight is also improved.

Description

technical field [0001] The present invention relates to the technical field of model rendering, in particular to a model highlight rendering method, device and electronic equipment. Background technique [0002] In the virtual scene of non-photorealistic rendering, it is necessary to simulate the artistic expression effect of painting while the model expresses the highlight effect. In related technologies, when performing non-photorealistic rendering, the highlights of the model may be rendered based on an illumination model such as an anisotropic highlight model, or by hand-painted highlights. However, in the process of rendering highlights using the lighting model, the irradiance of the highlights is usually calculated based on the tangent data and normal data of the model to be rendered. The calculation results follow the anisotropy law, and then the highlights of the model are calculated according to the calculated irradiance. rendering. The three-dimensional effect of...

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Application Information

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IPC IPC(8): G06T13/40G06T15/00G06T15/50
CPCG06T13/40G06T15/005G06T15/506
Inventor 刘秉东
Owner NETEASE HANGZHOU NETWORK
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