Cloth simulation method and system for anisotropic materials based on spring mass point model, electronic equipment and storage medium

Abstract

The invention discloses a cloth simulation method and system for anisotropic materials based on a spring mass point model, electronic equipment and a storage medium, and belongs to the technical field of simulation, and the method comprises the steps: carrying out the discrete triangular mesh division of cloth, and obtaining the vertex coordinates of each triangle on the cloth; spreading and paving the cloth in the two-dimensional texture coordinate system to obtain two-dimensional texture coordinates of the vertexes of the triangle; carrying out spring mass point deformation calculation on each triangle vertex to obtain a new coordinate on each time node; calculating and rendering a normal vector of the surface, and drawing a dynamic deformation visualization effect in a real-time simulation manner; performing mass point spring iterative deformation calculation on the vertexes of the triangle, and calculating the elastic force between any two vertexes in the vertexes of the triangle, wherein the strength coefficient of the elastic force comprises the X-axis direction and the Y-axis direction in a two-dimensional texture coordinate system. According to the method, an anisotropic bending method is introduced, so that the anisotropic behavior of the cloth is controlled by adjusting two-dimensional parameters in the local material direction in cloth simulation.

Description

technical field [0001] The invention relates to the field of simulation technology, in particular to a cloth simulation method, system, electronic equipment and storage medium of an anisotropic material based on a spring particle model. Background technique [0002] In the real world, the material properties of cloth are often anisotropic, and the stretching and bending properties of cloth are inconsistent in different directions, which enhances the diversity of details such as wrinkles on the cloth surface. [0003] In order to consider anisotropy, cloth simulation often uses finite element techniques for complex modeling and calculations, such as Data-Driven Elastic Models for Cloth: Modeling and Measurement; these methods can accurately model local anisotropic stretching and anisotropy of cloth. Itemically curved, but tends to be computationally expensive and requires a very good triangular mesh representation of the cloth. [0004] In actual engineering, considering fac...

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Problems solved by technology

However, the existing spring mass model cannot effectively support anisotropic materials

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