Sketch-based shape-constrained fireworks simulation in head-mounted virtual reality,Computer Animation and Virtual Worlds

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Sketch-based shape-constrained fireworks simulation in head-mounted virtual reality
Computer Animation and Virtual Worlds ( IF 0.9 ) Pub Date : 2020-03-01 , DOI: 10.1002/cav.1920
Xiaoyu Cui ₁ , Ruifan Cai ₁ , Xiangjun Tang ₁ , Zhigang Deng ₂ , Xiaogang Jin ₁

Affiliation

In this paper we present a novel shape‐constrained fireworks simulation method with rich textures in an HMD (Helmet Mounted Display) virtual environment using sketched feature lines as input. Our approach first retrieves an object from a three‐dimensional (3D) model database using a sketch‐based 3D shape retrieval algorithm. Then, in order to approximate models with complex structures, we introduce a novel point sampling algorithm based on Gaussian curvatures, which stores not only the positions of the selected vertices but also the texture (UV) coordinates information for texture display. In addition, we introduce a multilevel explosion process so that the fireworks can dynamically form specific, visually pleasing shapes. Through our experiments, we demonstrate that our approach can produce better results than state‐of‐the‐art approaches.

中文翻译：

头戴式虚拟现实中基于草图的形状约束烟花模拟

在本文中，我们使用草图特征线作为输入，在 HMD（头盔显示器）虚拟环境中提出了一种具有丰富纹理的新型形状约束烟花模拟方法。我们的方法首先使用基于草图的 3D 形状检索算法从三维 (3D) 模型数据库中检索对象。然后，为了近似具有复杂结构的模型，我们引入了一种基于高斯曲率的新点采样算法，该算法不仅存储所选顶点的位置，还存储纹理（UV）坐标信息用于纹理显示。此外，我们引入了多级爆炸过程，以便烟花可以动态地形成特定的、视觉上令人愉悦的形状。通过我们的实验，我们证明我们的方法可以产生比最先进的方法更好的结果。

更新日期：2020-03-01

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