基于分层包围盒的线缆与刚性体碰撞检测算法
Journal of Chongqing University of Technology(2014)
Abstract
基于B样条绘制的线缆模型逼真度高、计算量小,被广泛应用于虚拟现实环境,但其碰撞检测算法鲜见研究。提出基于图像的算法,分3层对待检测链表中的刚性体和线缆进行碰撞检测。3层碰撞检测分别是:线缆包围盒与刚性体包围盒碰撞检测;线缆与刚性体包围盒碰撞检测;面片层线缆与刚性体碰撞精确检测。每一层检测均基于模型在坐标面的投影是否相交来判断碰撞。应用表明:该算法能满足虚拟维修真实感的需要。
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Key words
hierarchical bounding box,rigid body,cable
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