用于细胞动画的阴影

L. Petrovic, Brian Fujito, Lance Williams, Adam Finkelstein
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引用次数: 81

摘要

我们提出了一种在细胞动画中创建阴影的半自动方法。在传统的细胞动画中,阴影是手工绘制的,以便为场景中人物的空间关系和形式提供视觉线索。我们的系统根据手绘人物创建阴影,并给予用户关于各种物体深度的高级指导。该方法采用了一种基于手绘艺术的“充气”3D图形的方案。它提供了简单的工具来调整对象深度,再加上一个直观的界面,用户指定对象的形状和相对位置在一个场景。我们的系统避免了手工绘制阴影的乏味,并提供了对复杂阴影的控制,这些阴影落在有趣的形状上。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Shadows for cel animation
We present a semi-automatic method for creating shadow mattes in cel animation. In conventional cel animation, shadows are drawn by hand, in order to provide visual cues about the spatial relationships and forms of characters in the scene. Our system creates shadow mattes based on hand-drawn characters, given high-level guidance from the user about depths of various objects. The method employs a scheme for “inflating” a 3D figure based on hand-drawn art. It provides simple tools for adjusting object depths, coupled with an intuitive interface by which the user specifies object shapes and relative positions in a scene. Our system obviates the tedium of drawing shadow mattes by hand, and provides control over complex shadows falling over interesting shapes.
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