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Grip manipulatable shadows in 3D models

机译:3D模型中可抓握的可操纵阴影

摘要

Embodiments of the invention provide a method for manipulating the position and appearance of shadows cast by light striking objects within a three dimensional model. Typically, the location and appearance of shadows are determined using the position of a distant light source. A user selects a point from within a shadow bounded region to drag from an initial position to a destination position. Once a point is selected, the position of the light source may be adjusted about a pivot point. The adjusted position of the light source is determined based on the position of the destination position and the position of the pivot point within the 3D model.
机译:本发明的实施例提供了一种用于在三维模型中操纵由光照射对象投射的阴影的位置和外观的方法。通常,阴影的位置和外观是使用远光源的位置确定的。用户从阴影边界区域内选择一个点以从初始位置拖动到目标位置。一旦选择了一个点,就可以围绕枢轴点调整光源的位置。根据目标位置的位置和3D模型中枢轴点的位置确定光源的调整位置。

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