Differential D6750 Diff 21391 manual/physics/rigid_body/properties.rst

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manual/physics/rigid_body/properties.rst

Show First 20 Lines • Show All 57 Lines • ▼ Show 20 Lines	.. admonition:: Reference
:Panel: :menuselection:`Physics --> Rigid Body --> Collisions`		:Panel: :menuselection:`Physics --> Rigid Body --> Collisions`

.. TODO2.8:		.. TODO2.8:
.. figure:: /images/physics_rigid-body_properties_collisions.png		.. figure:: /images/physics_rigid-body_properties_collisions.png

Rigid Body Collisions panel.		Rigid Body Collisions panel.


Collision Shapes		Shape
----------------		-----
		BlendifyUnsubmitted Not Done Inline Actions Match title markup with the title length. Blendify: Match title markup with the title length.

The Shape option determines the collision shape of the object.		The Shape option determines the collision shape of the object.


.. rubric:: Primitive Shapes		.. rubric:: Primitive Shapes

These are best in terms of memory/performance but do not		These are best in terms of memory/performance but do not
necessarily reflect the actual shape of the object.		necessarily reflect the actual shape of the object.
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Convex Hull		Convex Hull
A mesh-like surface encompassing (e.g. shrink-wrap over) all vertices (best results with fewer vertices).		A mesh-like surface encompassing (e.g. shrink-wrap over) all vertices (best results with fewer vertices).
A convex approximation of the object, has a good performance and stability.		A convex approximation of the object, has a good performance and stability.
Mesh		Mesh
:term:`Mesh` consisting of triangles only, allowing for more detailed interactions than convex hulls.		:term:`Mesh` consisting of triangles only, allowing for more detailed interactions than convex hulls.
Allows to simulate concave objects, but is rather slow and unstable.		Allows to simulate concave objects, but is rather slow and unstable.


Mesh Source		Source
		BlendifyUnsubmitted Not Done Inline Actions Match title markup with the title length. Blendify: Match title markup with the title length.
-----------		------

Users can now specify the mesh Source for Mesh bases collision shapes:		Users can now specify the mesh Source for Mesh bases collision shapes:

Base		Base
The base mesh of the object.		The base mesh of the object.
Deform		Deform
Includes any deformations added to the mesh (shape keys, deform modifiers).		Includes any deformations added to the mesh (shape keys, deform modifiers).

Deforming		Deforming
Mesh shapes can deform during simulation.		Mesh shapes can deform during simulation.
Final		Final
Includes all deformations and modifiers.		Includes all deformations and modifiers.


Surface Response		Surface Response
----------------		----------------

.. admonition:: Reference
:class: refbox

:Panel: :menuselection:`Physics --> Rigid Body --> Surface Response`

Friction		Friction
Resistance of object to movement. Specifies how much velocity is lost when objects collide with each other.		Resistance of object to movement. Specifies how much velocity is lost when objects collide with each other.
Bounciness		Bounciness
Tendency of object to bounce after colliding with another (0 to 1) (rigid to perfectly elastic).		Tendency of object to bounce after colliding with another (0 to 1) (rigid to perfectly elastic).
Specifies how much objects can bounce after collisions.		Specifies how much objects can bounce after collisions.

Collision Groups
Allows rigid body collisions allocate on different groups (maximum 20).


Sensitivity		Sensitivity
-----------		-----------

.. admonition:: Reference
:class: refbox

:Panel: :menuselection:`Physics --> Rigid Body --> Sensitivity`

Margin		Margin
Threshold of distance near surface where collisions are still considered (best results when non-zero).		Threshold of distance near surface where collisions are still considered (best results when non-zero).

The collision margin is used to improve the performance and stability of rigid bodies.		The collision margin is used to improve the performance and stability of rigid bodies.
Depending on the shape, it behaves differently: some shapes embed it,		Depending on the shape, it behaves differently: some shapes embed it,
while others have a visible gap around them.		while others have a visible gap around them.

The margin is embedded for these shapes:		The margin is embedded for these shapes:

- Sphere		- Sphere
- Box		- Box
- Capsule		- Capsule
- Cylinder		- Cylinder
- Convex Hull: Only allows for uniform scale when embedded.		- Convex Hull: Only allows for uniform scale when embedded.

The margin is not embedded for these shapes:		The margin is not embedded for these shapes:

- Cone		- Cone
- Active Triangle Mesh		- Active Triangle Mesh
- Passive Triangle Mesh: Can be set to 0 most of the time.		- Passive Triangle Mesh: Can be set to 0 most of the time.


		Collections
		-----------

		Allows rigid body collisions allocate on different groups (maximum 20).


Dynamics		Dynamics
========		========

.. admonition:: Reference		.. admonition:: Reference
:class: refbox		:class: refbox

:Panel: :menuselection:`Physics --> Rigid Body --> Dynamics`		:Panel: :menuselection:`Physics --> Rigid Body --> Dynamics`

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