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Clothing Tool Properties Reference

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The Cloth Paint Tools have many options and properties that you can use to make very specific clothing simulations. Below you'll find the details about the menu options you can use when creating your clothing assets and details about the Cloth Paint panel that you will use when selecting different painting tools to paint cloth values for your render mesh.

Clothing Asset Creation Menus

In this section, you'll find the details about the properties and settings you can use when creating and applying your clothing assets to your render mesh.

Section Selection

The Section Selection enables you to select the different material elements of your render mesh to create and apply a clothing asset. In this menu, you can identify the LOD and a material section of your mesh that you've selected, create a cloth asset for your render mesh and its LODs, apply the clothing asset to the selected section, and remove it later if needed.

SectionSelection.png

Property

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Description

LOD Section Selection

The name of the LOD level used and the Section to create a Cloth Asset for.

Apply Clothing Asset

Select a clothing asset to apply to the selected section.

Remove Clothing Asset

Remove the currently assigned clothing asset.

Create Clothing Asset from Section

Create a new clothing asset using the selected section as a simulation mesh.

CreateClothSection.png

Basic

Asset Name

The name entered for the cloth section asset.

Remove from Mesh

Whether or not to leave this section behind (if driving a mesh with itself). Enable this is driving a high-poly mesh with a low-poly mesh.

Collision

Physics Asset

Physics Asset to extract collisions from. Note that this will export Sphere and Sphylls, but does support up to 32 convex faces (or 5 boxes).

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Create Clothing Asset from LOD Section

Create a clothing simulation mesh from the selected section and add its LOD to an existing clothing asset.

CreateClothLODSection.png

Target

Target Asset

This is the target asset when importing LODs.

LOD Index

Replace LOD

Replace the simulation mesh in LOD0 of your selected clothing asset with this section.

Add LOD

Use the selected section to add as a new LOD.

Remap Parameters

If reimporting, this will map the old LOD parameters to the new LOD mesh. If adding a new LOD, this will map the parameters from the preceding LOD.

Basic

Remove from Mesh

Whether or not to leave this section behind (if driving a mesh with itself). Enable this if driving a high-poly mesh with a low-poly one.

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Cloth Paint Panel

The Cloth Paint panel houses all the clothing assets, masks, configuration parameters for how your cloth reacts, and the tools you'll use when painting your cloth values.

ClothPaintPanel.png

Assets

The Assets window displays your currently created clothing assets that are assigned to a render mesh, enable you to import APEX (.apx or .apb) files, and lets you select from the available LODs created for your mesh to copy parameter values to.

Assets.png

Property

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Description

Name

The name of the cloth asset created for a LOD section of your physical mesh.

Import Apex File

Allows you to import an APEX (.apx or .apb) file that will be converted to use the Clothing Tool.

Level of Detail (LOD) Selection

Enables you to select a Level of Detail (LOD) mesh to set parameters, paint values, or copy values to.

Masks

The Masks window displays any created parameter sets for painted cloth values. These can be assigned a Target value for use with your clothing asset.

Masks.png

Property

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Description

Name

The name given to the mask along with its target setting for this parameter set.

Right-Click Menu Settings

Set Target

None

The target has not been set for this parameter set.

Max Distance

This is the maximum distance the clothing simulation particle can move from its animated position.

Backstop Distance

This is the distance offset from the Max Distance used to limit the movement of the cloth simulation particles.

Backstop Radius

This is a radius that when intersected with the Max Distance will prevent any cloth simulation particle from moving into that area.

Actions

Move Up

Moves the Mask up one slot in the list.

Move Down

Move the Mask down one slot in the list.

Delete

Deletes the Mask from the list.

Apply

Applies the Mask to the physical mesh.

Add Mask

Adds a new Mask to the available list of Mask parameters.

Config

The Config properties enables you to adjust how your cloth react so that it can simulate different types of material, such burlap, rubber, leather, and much more.

Config.png

Property

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Description

Physics Asset

The Physics Asset to extract collisions from when building a simulation.

Wind Method

How wind should be processed; Accurate uses drag and lift to make the cloth react differently, Legacy applies similar forces to all clothing without drag and lift (similar to APEX).

Legacy

Use the Legacy wind mode, where accelerations are modified directly by the simulation with no regard to drag or lift.

Vertical Constraint Config

Constraint data for vertical constraints.

Stiffness

How stiff this constraint is between the nodes. This affects how closely it will follow the desired position.

Stiffness Multiplier

This is a multiplier affecting the Stiffness value used.

Stretch Limit

The hard limit on how far this constraint can stretch.

Compression Limit

The hard limit on how far this constraint can compress.

Horizontal Constraint Config

Constraint data for horizontal constraints.

Stiffness

How stiff this constraint is between the nodes. This affects how closely it will follow the desired position.

Stiffness Multiplier

This is a multiplier affecting the Stiffness value used.

Stretch Limit

The hard limit on how far this constraint can stretch.

Compression Limit

The hard limit on how far this constraint can compress.

Bend Constraint Config

Constraint data for bend constraints.

Stiffness

How stiff this constraint is between the nodes. This affects how closely it will follow the desired position.

Stiffness Multiplier

This is a multiplier affecting the Stiffness value used.

Stretch Limit

The hard limit on how far this constraint can stretch.

Compression Limit

The hard limit on how far this constraint can compress.

Shear Constraint Config

Constraint data for shear constraints.

Stiffness

How stiff this constraint is between the nodes. This affects how closely it will follow the desired position.

Stiffness Multiplier

This is a multiplier affecting the Stiffness value used.

Stretch Limit

The hard limit on how far this constraint can stretch.

Compression Limit

The hard limit on how far this constraint can compress.

Self Collision Radius

The size of self-collision spheres centered on each vertice.

Self Collision Stiffness

The stiffness of the spring force that will resolve self-collisions.

Self Collision Cull State

The scale to use for the radius of the culling checks for self-collisions. Any other self-collision body within the radius of this check will be culled. This helps performance with higher resolution meshes by reducing the number of colliding bodies within the cloth. Reducing this will have a negative impact on performance.

Damping

The damping of particle motion per-axis.

Friction

The friction of the surface when colliding.

Wind Drag Coefficient

The drag coefficient for wind calculations, where higher values mean wind has a more lateral effect on cloth.

Wind Lift Coefficient

The lift coefficient for wind calculations, where higher values make cloth rise easier in the wind.

Linear Drag

The drag applied to linear particle movement per-axis.

Angular Drag

The drag to angular particle movement, where higher values should limit material bending (per-axis).

Linear Inertia Scale

The scale for linear particle inertia, or how much movement should translate to linear motion (per-axis).

Angular Inertia Scale

The scale for angular particle inertia, or how much movement should translate to angular motion (per-axis).

Centrifugal Inertia Scale

The scale for centrifugal particle inertia, or how much movement should translate to angular motion (per-axis).

Solver Frequency

The frequency of the position solver, where lower values will lead to stretchier, bouncier cloth.

Stiffness Frequency

The frequency for stiffness calculations, where lower values will degrade stiffness of constraints.

Gravity Scale

The scale of gravity effect on the cloth particle simulation.

Tether Stiffness

The scale for stiffness of particle tethers between each other.

Tether Limit

The scale for the limit of particle tethers (how far they can separate).

Collision Thickness

The "thickness" of the simulated cloth, which is used to adjust collisions.

Import

The Import option displays the file path of any imported APEX files .

Import.png

Property

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Description

Imported File Path

If this asset was imported from a file, this will be the original path.

Cloth Painting

The Cloth Painting section enables you to select between your different tools, such as brush, gradient, smooth, and fill.

Before these properties can be populated, you must first select a clothing asset from your Assets window and then click the Enable Paint Tools button.

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The type of tool to use when painting cloth values.

Brush

The Brush tool enables you to paint a radius and strength value on your cloth as you drag across cloth asset.

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Property

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Description

View

View Min

When painting float/1D values, this is considered the zero or black point for painted values.

View Max

When painting float/1D values, this is considered the one or white point for painted values.

Advanced Rollout

Flip Normal

Whether to flip normals on the mesh preview.

Cull Backface

Whether to cull back facing triangles when rendering the mesh preview.

Opacity

The opacity value of the mesh preview, which enables you to see through the mesh.

Tool Settings

Paint Value

The value to paint onto the mesh for this parameter.

Brush

Radius

The radius of the Brush used for painting.

Strength

The strength of the brush (0.0 - 1.0).

Falloff

The amount of fall off to apply (0.0 - 1.0).

Enable Brush Flow

Enables "flow" painting where the paint is continually applied from the brush every tick.

Ignore back-facing

Whether back-facing triangles should be ignored when painting.

Gradient

The Gradient tool enables you to paint a gradual blend between a set of cloth values that are selected.

Gradient.png

Property

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Description

View

View Min

When painting float/1D values, this is considered the zero or black point for painted values.

View Max

When painting float/1D values, this is considered the one or white point for painted values.

Advanced Rollout

Flip Normal

Whether to flip normals on the mesh preview.

Cull Backface

Whether to cull back facing triangles when rendering the mesh preview.

Opacity

The opacity value of the mesh preview, which enables you to see through the mesh.

Tool Settings

Gradient Start Value

The value of the gradient at the start points.

Gradient End Value

The value of the gradient at the end points.

Use Regular Brush

Enables the painting of selected points using a brush rather than a point.

Brush

Radius

The radius of the Brush used for painting.

Strength

The strength of the brush (0.0 - 1.0).

Falloff

The amount of falloff to apply (0.0 - 1.0).

Enable Brush Flow

Enables "flow" painting where the paint is continually applied from the brush every tick.

Ignore back-facing

Whether back-facing triangles should be ignored when painting.

Smooth

The Smooth tool enables you to blur or soften the contrast between painted cloth values.

Smooth.png

Property

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Description

View

View Min

When painting float/1D values, this is considered the zero or black point for painted values.

View Max

When painting float/1D values, this is considered the one or white point for painted values.

Advanced Rollout

Flip Normal

Whether to flip normals on the mesh preview.

Cull Backface

Whether to cull back facing triangles when rendering the mesh preview.

Opacity

The opacity value of the mesh preview, which enables you to see through the mesh.

Tool Settings

Strength

The strength of the smoothing (blurring) effect when painting.

Brush

Radius

The radius of the Brush used for painting.

Strength

The strength of the brush (0.0 - 1.0).

Falloff

The amount of falloff to apply (0.0 - 1.0).

Enable Brush Flow

Enables "flow" painting where the paint is continually applied from the brush every tick.

Ignore back-facing

Whether back-facing triangles should be ignored when painting.

Fill

The Fill tool enables you to replace areas with similar values with another value.

Fill.png

Property

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Description

View

View Min

When painting float/1D values, this is considered the zero or black point for painted values.

View Max

When painting float/1D values, this is considered the one or white point for painted values.

Advanced Rollout

Flip Normal

Whether to flip normals on the mesh preview.

Cull Backface

Whether to cull back facing triangles when rendering the mesh preview.

Opacity

The opacity value of the mesh preview, which enables you to see through the mesh.

Tool Settings

Threshold

Threshold for fill operation that will keep filling until sampled vertices aren't within this range of the original vertex.

Fill Value

The value to fill all select vertices to.

Brush

Radius

The radius of the Brush used for painting.

Strength

The strength of the brush (0.0 - 1.0).

Falloff

The amount of falloff to apply (0.0 - 1.0).

Enable Brush Flow

Enables "flow" painting where the paint is continually applied from the brush every tick.

Ignore back-facing

Whether back-facing triangles should be ignored when painting.

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