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SMEAR v1.1.5

SMEAR 是一款 3D 动画风格化 Blender 插件，旨在创建和自定义拖尾帧，例如拉长的中间帧、多个中间帧和运动线。

使用说明

SMEAR 的控制面板应出现在 Blender 的自定义 UI 面板中的 SMEAR 部分。

涂抹帧生成

此面板用于预处理动画对象以创建拖尾帧，并控制此预处理的参数。“烘焙涂抹”按钮使用选定的参数运行预处理。默认参数在大多数情况下都是合适的。

参数：

如果您希望涂抹帧依赖于全身运动（例如，快速运动）而不是骨架，则可以对关节角色使用“忽略骨架”选项。

“修剪骨架”部分允许选择将在预处理中忽略的骨骼。这些骨骼及其子骨骼的所有顶点都将受到其父骨骼的影响（参见论文第 3.2 节最后一段）

“时间平滑窗口”参数控制要考虑进行时间平滑的帧数，以避免时间噪声效应。默认值为 N=2，通常可产生良好的效果。

“相机 POV”选项允许根据物体在相机空间中的运动（而不是在世界空间中的运动）计算模糊帧。目前仅适用于没有骨架的简单物体。

SMEAR is a 3D animation stylization Blender add-on, aimed at creation and customization of smear frames such as elongated in-betweens, multiple in-betweens and motion lines.

Instructions for use

The control panels for SMEAR should appear in the custom UI panels of Blender, in the section SMEAR.

Smear frame generation

This panel is used to pre-process animated objects to create smear frames, and control the parameters of this pre-process. The "Bake Smears" button runs the pre-process with the selected parameters. Default parameters will be appropiate in most use cases.

Parameters:

The “Ignore skeleton” option can be used for articulated characters if you want smear frames to depend on the full body movement (e.g., for fast motion) instead of the skeleton.

The "Prune Skeleton" section allows to select bones that will be ignored in the pre-processing. All vertices of these bones and their child will then be affected by their parent bones (see paper, section 3.2, last paragraph)

The “Temporal smoothing window” parameters control the number of frames to consider for temporal smoothing to avoid temporally noisy effects. Default is N=2 and gives generally good results.

The "Camera POV" option allows to compute smear frames depending on the motion of the object in camera space instead of in world space. Only available for simple objects with no skeleton for now.