Method and system for realizing laser paper effect in virtual reality scene

Abstract

The invention discloses a method and a system for achieving the laser paper effect in a virtual reality scene. The method comprises the steps of building a product model by utilizing the geometric data, the main texture map, the reflective texture map and the high-light texture map of a product, wherein the main texture map comprises the material textures of the product, the reflective texture mapcomprises the color information of the laser paper, and the high-light texture map is in the form of a grayscale map with a grating shape; according to the texture coordinates of the vertex of the product model, respectively collecting the pixel values of corresponding pixel points from the main texture map, the reflective texture map and the high-light texture map of the product, and figuring out the color value of each vertex according to a preset illumination model by utilizing the collected pixel values; according to the color value of each vertex belonging to the same sheet element, figuring out the color values of pixel points on corresponding sheet elements, outputting and displaying colored sheet elements. According to the invention, a method and a system for achieving the laser paper effect in the virtual reality scene are provided. The method is simpler and more practical, and the calculation amount is relatively small. Meanwhile, the working progress can be accelerated.

Description

technical field [0001] The invention relates to the technical field of visual simulation, in particular to a method and system for realizing laser paper effects in a virtual reality scene. Background technique [0002] Laser paper is an anti-counterfeit packaging material made by laser anti-counterfeiting technology, UV deep stripe compression technology and positioning laser printing. For example, the positioning laser paper has periodic rectangular grid-like gratings on it, which can show a dynamic and flashing rainbow color effect under white light irradiation, and has efficient anti-counterfeiting performance. The surface coloring mechanism of laser paper is essentially the reflected light formed by light irradiating on the surface of laser paper, and diffraction occurs on the surface of laser paper, so that the surface presents a colorful effect. [0003] In the virtual reality shopping application, in order to create a realistic virtual shopping scene and improve the ...

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