摘要
参数曲线广泛应用于计算机动画,隐曲线在计算机动画中的应用也越来越受到重视。主要研究了二维隐曲线在动作补间技术中的应用,提出了一种新的二维隐曲线动作补间算法-速度插值算法。在算法中,隐曲线用于指定动画对象的运动路径,速度曲线用于描述动画对象的速度与时间关系,结合运动路径和运动速度,速度插值技术用来生成与速度相关的插值序列。同时,在Matlab中实现了算法,仿真结果表明,按算法生成的动作补间动画自然逼真,且算法具有交互性好、真实感强、普遍性高、稳定性高等特点。
Even if the parametric curve is overwhelmingly used in computer animation,the utilization of the implicit curve is recognized to be extremely potential for computer animation.This paper,investigates the application of implicit curves in motion tweening and proposes a new motion tweening algorithm named velocity interpolation.An implicit curve is used to specify the motion path while a speed profile curve is adopted to describe the motion speed and timing.Based on the motion path and motion speed,velocity interpolation technique is utilized to generate interpolation sequences.The algorithm is implemented on the Matlab.The results of the computation show that the animation generated according to this method is natural and verisimilitude.Also the algorithm has good interaction,strong trueness,high universality and high stability.
出处
《计算机仿真》
CSCD
2008年第9期234-237,共4页
Computer Simulation
关键词
速度插值
二维隐曲线
动作补间
Velocity interpolation
2D-implicit curve
Motion tweening
