简介

    Cloth interacts with and is affected by other moving objects, the wind and other forces, as well as a general aerodynamic model, all of which is under your control.

    Once Cloth physics have been added to a mesh, a Cloth will be added to the object’s modifier stack. As a modifier then, it can interact with other modifiers, such as Armature and Smooth. In these cases, the ultimate shape of the mesh is computed in accordance with the order of the modifier stack. For example, you should smooth the cloth after the modifier computes the shape of the cloth.

    您可以*应用*布料修改器来冻结或锁定当前帧处的网格形状，这样会删除修改器。 例如，您可以在桌子上铺上一块平布，让模拟运行，然后应用修改器。从这个意义上说，您正在使用模拟器来节省大量建模时间。

    模拟的结果保存在缓存中，以便一旦在动画中的计算出来的每一帧的网格形状不必再次重新计算。如果对模拟进行了更改，您可以完全控制清除缓存并重新运行模拟。第一次运行模拟是完全自动的，没有烘焙或单独的步骤会中断工作流程。

    计算每一帧的布料形状是自动的，并在后台完成；因此您可以在模拟计算时继续工作。但是，这很占用CPU，并且取决于PC的性能和模拟的复杂性，计算网格变化所需的CPU占用量会有所不同，同样您可能会注意到的电脑卡顿也会不同。

    Note

    Do Not Jump Ahead

    制作布料的一般过程是：

    1. Designate the object as a “cloth” in the Physics tab of the Properties.

    2. 模拟与布料相互作用的其他偏转对象。确保修改器堆栈上的形变修改器位于任何其他网格变形修改器之后。

    3. 如果需要，可以给予物体颗粒，如从表面上掉下来的蒸汽。

    4. Run the simulation and adjust settings to obtain satisfactory results. The Timeline editors playback controls are great for this step.

    5. 在逐帧的基础上对网格进行较小的编辑，以修正较小的破洞。

    Tip

    Springs

    Internally, cloth physics is simulated with virtual springs that connect the vertices of a mesh. There are four types of springs that control how the cloth bends. These four types are defined below and illustrated in the following image:

    Illustration of cloth springs; tension springs (blue), compression springs (red), shear springs (cyan), and angular bending springs (green).

    Tension Springs

    Control the stiffness of the cloth.

    Compression Springs

    Control the amount of force required to collapse or compress the cloth.

    Shear Springs

    Like compression springs but it controls the angular deformation.

    Angular Bending Springs

    All four of these spring types can be controlled independently in the 物理属性 panel. While these settings control surface springs, optionally, internal springs can be used for 3D meshes and behave similarly to .