Physics Asset Editor - Tools and Profiles

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The Tools and Profiles tabs enable you to choose how Bodies are generated and allows for custom profiles for default properties of assigned bodies and constraints.

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Tools Tab

The Tools tab enables you to perform batch edits of your Physics Asset. It includes being able to add, generate or re-generate bodies for the entire skeleton or selected bodies in the Skeleton TreeNEW! .

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Body Creation Settings

The following options are available when creating or editing primitive shapes, size, and more for bodies:

BodyCreationSettings.png

Property

Description

Min Bone Size

Bones that are shorter than this value will be ignored for body creation.

Primitive Type

The geometry type that should be used when creating bodies.

  • Box

  • Capsule

  • Sphere

  • Single Convex Hull

  • Multi Convex Hull

Vertex Weighting Type

How vertices are mapped to bones when approximating them with bodies.

  • Any Weight

  • Dominant Weight

Auto Orient to Bone

Whether to automatically orient the created bodies to their corresponding bones.

Walk Past Small Bones

Whether to skip small bones entirely (rather than merge them with the adjacent bones).

Create Body for All Bones

Forces creation of a body for each bone.

Advanced Properties

Min Weld Size

Bones that are smaller than this value will be merged together for body creation.

Hull Accuracy

When creating convex hulls, the target accuracy of the created hull.

Max Hull Verts

When creating convex hulls, the maximum verts that should be created.

Constraint Creation Settings

The following options are available when creating or editing the constraints of bodies:

ConstraintCreationSettings.png

Property

Description

Create Joints

Whether to create constraints between adjacent created bodies.

Angular Constraint Mode

The type of angular constraints to create between bodies.

Free

No constraint against this axis.

Limited

Limited freedome along this axis.

Locked

Fully constraint against this axis.

Body Generation Options

Once the properties have been set for the Body Creation and Constraint Creation categories, any selected bodies, constraints, or bones will display an action to add, generate, or re-generate bodies.

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Button

AllBodies.png

All phyiscs bodies and constraints will be re-created.

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When a constraint is selected, this button will enable all bodies and constraints to be recreated using the new settings.

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Selected bodies will be replaced along with their constraints using the new settings.

Profiles Tab

The Physics Asset Profiles tab enables you to view, select, and edit a collection of settings for Physical Animations and Constraints that can be saved to profiles which can then be assigned to the selected bodies or constraints in the Skeleton TreeNEW! .

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For additional information, see the Using Profiles for Bodies and ConstraintsNEW! page.

Current Profile

The Current Profile drop-down is where you'll find any new or existing profiles that have been created. When the profile is selected, options to remove it from the list of profiles, and assign or unassign it from the selected bodies or constraints will become available.

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Option

Description

New

Creates a new profile that has properties set and can be assigned to bodies or constraints.

Delete

Removes the custom profile when it is set as the Current Profile selection.

Assign

Assigns the selected bodies or constraints to the Current Profile selection.

Unassign

Unassigns the selected bodies or constraints from the Current Profile selection.

Some options are available for the Current Profile by clicking the arrow drop-down.

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Option

Description

Duplicate

Copies the currently set profile.

Set Current Constraint Profile

Select from the currently created profiles the one to be used as the Current Profile to assign, unassign, or delete.

Current Profile Assignment

When bodies or constraints are assigned a profile, there are a couple of places that you can check the status of the assignment:

In the Details panel, the Current Profile being used for the selected body will be listed. When there isn't a profile assigned, it will be listed as None.

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Unassigned Profile

Assigned Profile

In the GraphNEW! , the selected bodies and their constraints will be displayed. The shading of the bodies and constraints will be based on which profile is selected as the Current Profile.

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For example, the Graph is showing the selected body and constraints, while the Profiles tab is showing the Current Profile for Physical Animation set to MyPhysicalAnimation_Profile which is assigned to two of the four bodies in the Graph. When the Current Profile selected is assigned to a node, it will have unshaded fill color, and when the node is not assigned that profile, it will appear shaded. The constraints displayed all appear with their fill color since the Current Profile for Constraints is set to None.

For additional information about the nodes in the Graph, see the Constraints GraphNEW! page.

Physical Animation Profiles

When Bodies are selected and assigned a Physical Animation profile, the following options will become available:

PhysicalAnimationSettings.png

Property

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Description

Is Local Simulation

Whether the drive targets are in world or local space.

Orientation Strength

The strength used to correct orientation error.

Angular Velocity Strength

The strength used to correct angular velocity error.

Position Strength

The strength used to correct linear position error. Only used for non-local simulation.

Velocity Strength

The strength used to correct linear velocity . Only used for non-local simulation.

Max Linear Force

The max force used to correct linear errors.

Max Angular Force

The max force used to correct angular errors.

Constraint Profiles

When Constraints are selected and assigned a Constraints Profile, the following options will become available:

Click image to view full size.

For additional information, visit the Constraints Reference page.

Thumbnail

Control how the thumbnail image for the Physics Asset should appear in the Content Browser. You can control the Pitch, Yaw, and Zoom of the thumbnail.

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When the Thumbnail pitch, yaw, and zoom values are adjusted the thumbnail in the Content Browser will update in real time.

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Physics

The following options are available that will apply to all assigned profiles.

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Property

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Description

Use Async Scene

If true, bodies of the physics asset will be put into the asynchronous physics scene. If false, they will be put into the synchronous physics scene.

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