V2EX contact shadow

Contact Shadow

释义 Definition

接触阴影:物体与地面或另一物体紧贴接触处出现的那一圈(或一小块)最深、最锐利的阴影。常用于摄影、绘画、CG 渲染与实时图形中,用来增强“物体落地/贴合”的真实感。(在某些语境中也可泛指“贴边的暗部”。)

发音 Pronunciation (IPA)

/kn.tkt d.o/(美式常见)
/kn.tkt d./(英式常见)

例句 Examples

A contact shadow under the cup makes it look like it’s really on the table.
杯子底下的接触阴影会让它看起来真的放在桌面上。

In the render, the character felt like it was floating until we increased the contact shadows and ambient occlusion near the feet.
在这次渲染里,角色一开始像在漂浮;直到我们加强脚边的接触阴影和环境光遮蔽后,才显得“踩在地上”。

词源 Etymology

这是一个复合名词短语contact(接触)+ shadow(阴影)。含义直观,强调阴影发生在物体与表面“接触/贴近”的区域。在图形学与影像领域中,该短语常与“增强细节阴影”“减少漂浮感”等问题一起出现。

相关词 Related Words

文学与作品 Notable Works

  • Real-Time Rendering(Akenine-Mller 等):讨论实时阴影与近接遮蔽效果时常涉及接触阴影/近接阴影处理。
  • Physically Based Rendering: From Theory to Implementation(Pharr 等):在阴影、可见性与光照计算相关章节中与接触处阴影现象密切相关。
  • Fundamentals of Computer Graphics(Shirley 等):介绍阴影与局部遮蔽概念时与“接触阴影”这一现象相呼应。
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