artisynth.core.mfreemodels

Class MFreeMeshComp

java.lang.Object

artisynth.core.modelbase.ModelComponentBase

artisynth.core.modelbase.RenderableComponentBase

artisynth.core.mechmodels.MeshComponent

artisynth.core.mechmodels.DynamicMeshComponent

artisynth.core.mechmodels.SkinMeshBase

artisynth.core.femmodels.FemMeshBase

artisynth.core.femmodels.FemMeshComp

artisynth.core.mfreemodels.MFreeMeshComp

All Implemented Interfaces:

FemMesh, Collidable, CollidableBody, HasSlaveObjects, HasSurfaceMesh, PointAttachable, ComponentChangeListener, CompositeComponent, IndexedComponentList, ModelComponent, PostScannable, RenderableComponent, TransformableGeometry, ScalableUnits, java.lang.Cloneable, HasProperties, HierarchyNode, HasRenderProps, IsRenderable, IsSelectable, Renderable, Scannable

public class MFreeMeshComp
extends FemMeshComp
implements CollidableBody, PointAttachable

Describes a surface mesh that is "skinned" onto an FEM, such that its vertex positions are determined by weighted combinations of FEM node positions.

Nested Class Summary

Nested classes/interfaces inherited from interface artisynth.core.mechmodels.Collidable

Collidable.Collidability, Collidable.Group

Nested classes/interfaces inherited from interface artisynth.core.modelbase.ModelComponent

ModelComponent.NavpanelVisibility

Nested classes/interfaces inherited from interface artisynth.core.modelbase.CompositeComponent

CompositeComponent.NavpanelDisplay

Field Summary

Fields

Modifier and Type	Field and Description
static PropertyList	myProps

Fields inherited from class artisynth.core.mechmodels.MeshComponent

DEFAULT_COLOR_INTERPOLATION, DEFAULT_SELECTABLE, DEFAULT_VERTEX_COLOR_MIXING

Fields inherited from class artisynth.core.modelbase.ModelComponentBase

enforceUniqueCompositeNames, enforceUniqueNames, myNumber, NULL_OBJ, useCompactPathNames

Fields inherited from interface artisynth.core.mechmodels.Collidable

All, AllBodies, Deformable, Rigid, Self

Fields inherited from interface maspack.render.IsRenderable

TRANSPARENT, TWO_DIMENSIONAL

Fields inherited from interface artisynth.core.modelbase.TransformableGeometry

TG_ARTICULATED, TG_DRAGGER, TG_PRESERVE_ORIENTATION, TG_SIMULATING

Constructor Summary

Constructors

Constructor and Description
MFreeMeshComp()
MFreeMeshComp(MFreeModel3d mfree)
MFreeMeshComp(MFreeModel3d fem, java.lang.String name)

Method Summary

Modifier and Type	Method and Description
void	addVertexAttachment(PointAttachment attachment)
boolean	allowCollision(ContactPoint cpnt, Collidable other, java.util.Set<Vertex3d> attachedVertices) Returns true if a collision between this Collidable and other should be allowed for the contact point cpnt.
void	collectVertexMasters(java.util.List<ContactMaster> mlist, Vertex3d vtx) Collects the contact masters for a particular mesh vertex.
void	connectToHierarchy(CompositeComponent hcomp) Called by the system after this component, or an ancestor of this component, is added to the component hierarchy (i.e., added as a child of another CompositeComponent).
boolean	containsContactMaster(CollidableDynamicComponent comp) Returns true if this Collidable contains a specified contact master component.
MFreeMeshComp	copy(int flags, java.util.Map<ModelComponent,ModelComponent> copyMap)
static MFreeMeshComp	createEmbedded(MFreeMeshComp surf, MeshBase mesh)
static MFreeMeshComp	createEmbedded(MFreeMeshComp surf, MeshBase mesh, MFreeModel3d mfree) Assumes the mesh is in "rest" coordinates, not current coordinates
static MFreeMeshComp	createEmbedded(MFreeModel3d fem, MeshBase mesh)
PointFem3dAttachment	createPointAttachment(Point pnt) Returns a PointAttachment that attaches pnt to this component.
void	disconnectFromHierarchy(CompositeComponent hcomp) Called by the system after this component, or an ancestor of this component, is removed from the component hierarchy (i.e., removed as a child of its parent).
PropertyList	getAllPropertyInfo() Returns a list giving static information about all properties exported by this object.
Collidable.Collidability	getCollidable() Returns the Collidable.Collidability of this Collidable.
Collidable	getCollidableAncestor() Returns the most immediate Collidable ancestor of this Collidable, if any.
int	getCollidableIndex()
PolygonalMesh	getCollisionMesh() Returns the mesh that should be used for computing collisions, or null if there is no such mesh.
DistanceGridComp	getDistanceGridComp() Returns a DistanceGridComp object that in turn contains a signed distance grid that can be used with a SignedDistanceCollider, or null if this Collidable does not support a signed distance grid (i.e., if CollidableBody.hasDistanceGrid() returns false).
MFreeElement3d	getFaceElement(Face face)
MFreeModel3d	getFem()
double	getMass() Returns the mass of the body.
FemModel3d	getModel()
MFreeNode3d	getNodeForVertex(Vertex3d vtx) Returns the node to which a specified vertex is directly attached, or null if no such node exists.
PointAttachment	getVertexAttachment(int idx) Retrieves (or creates) a vertex attachment component associated with vertex vidx, describing how its motion is driven by the underlying physical system.
PointAttachment	getVertexAttachment(Vertex3d vtx) Retrieves (or creates) a vertex attachment component associated with vertex vtx, describing how its motion is driver by the underlying physical system.
Vertex3d	getVertexForNode(MFreeNode3d node) Returns a vertex which is directly attached to the specified node, or null if no such vertex exists.
boolean	hasDistanceGrid() Returns true if this Collidable supports a signed distance grid that can be used with a SignedDistanceCollider.
boolean	hasNodeDependency(MFreeNode3d node) Check if this mesh depends on a particular node
boolean	isCompound() Queries whether or not this collidable has sub-collidables.
boolean	isDeformable() Returns true if this collidable is deformable.
boolean	isSingleNodeMapped() Returns true if every vertex in this mesh is directly attached to a single FEM node.
boolean	isSurfaceMesh()
int	numVertexAttachments()
void	render(Renderer renderer, int flags) Render this object using the functionality of the supplied Renderer.
MeshBase	scanMesh(ReaderTokenizer rtok) Scans this mesh from a file, using the format described for writeMesh(java.lang.String).
void	setCollidable(Collidable.Collidability c)
void	setCollidableIndex(int idx)
void	setSurfaceRendering(FemModel.SurfaceRender mode)
void	setVertexAttachment(int vidx, double[] weights, MFreeNode3d[] nodes)
void	setVertexAttachment(int vidx, PointAttachment attachment)
boolean	writeMesh(java.io.PrintWriter pw) Writes the mesh for this FemMeshComp out to a PrintWriter, using a format of the form
boolean	writeMesh(java.io.PrintWriter pw, boolean nodeFormat)
boolean	writeMesh(java.lang.String fileName) Writes the mesh for this FemMeshComp out to a named file, using the format described for writeMesh(PrintWriter).

Methods inherited from class artisynth.core.femmodels.FemMeshComp

createEmbedded, createEmbedded, createEmbedded, createEmbeddingAttachments, createNodalEmbedded, createNodalEmbedded, createShellSurface, createShellSurface, createShellSurface, createShellSurface, createSurface, createSurface, createSurface, createVolumetricShellSurface, createVolumetricSurface, createVolumetricSurface, createVolumetricSurface, createVolumetricSurface, getHalfEdgeForNodes, getNodes, getVertexEnergyDensity, getVertexForNode, getVertexStrain, getVertexStress, hasInvariantMasters, hasNodeDependency, isGeneratedSurface, isSurfaceEdge, postscan, setVertexAttachment, transformGeometry

Methods inherited from class artisynth.core.femmodels.FemMeshBase

getColorMap, getColorMapMode, getSelection, getStressPlotRange, getStressPlotRangeMode, getStressPlotRanging, getStressPlotRangingMode, getSurfaceRendering, getSurfaceRenderingMode, numSelectionQueriesNeeded, prerender, render, resetAutoStressPlotRange, setColorMap, setColorMapMode, setMeshFromInfo, setStressPlotRange, setStressPlotRangeMode, setStressPlotRanging, setStressPlotRangingMode, setSurfaceRenderingMode

Methods inherited from class artisynth.core.mechmodels.SkinMeshBase

componentChanged, findComponent, get, get, getByNumber, getChildren, getNavpanelDisplay, getNavpanelVisibility, getNumberLimit, getSurfaceMesh, getSurfaceMeshes, hasChildren, hierarchyContainsReferences, indexOf, numComponents, numSurfaceMeshes, scaleDistance, scan, setDisplayMode, setNavpanelDisplay, updateNameMap, updateSlavePos, updateSlaveVel

Methods inherited from class artisynth.core.mechmodels.MeshComponent

addTransformableDependencies, createSurfaceMeshArray, getColorInterpolation, getFileName, getFileTransform, getMesh, getMeshToWorld, getSurfaceMeshes, getVertex, getVertexColorMixing, isFileTransformRigid, isMeshModified, isMeshPolygonal, isMeshTriangular, isSelectable, numSurfaceMeshes, numVertices, prerenderMesh, scaleMass, setColorInterpolation, setFileName, setFileTransform, setMesh, setMesh, setMesh, setMeshToWorld, setSelectable, setVertexColorMixing, transformGeometry, updateBounds, updatePosition

Methods inherited from class artisynth.core.modelbase.RenderableComponentBase

createRenderProps, defaultRenderPropsAreNull, getRenderHints, getRenderProps, isVisible, setRenderProps, setVisible, updateRenderProps

Methods inherited from class artisynth.core.modelbase.ModelComponentBase

checkFlag, checkName, checkNameUniqueness, clearFlag, clone, createTempFlag, getGrandParent, getHardReferences, getName, getNameRange, getNavpanelVisibility, getNumber, getParent, getProperty, getSoftReferences, hasState, isFixed, isMarked, isScanning, isSelected, isWritable, makeValidName, makeValidName, notifyParentOfChange, printReferences, recursivelyContained, recursivelyContains, removeTempFlag, setFixed, setFlag, setMarked, setName, setNavpanelVisibility, setNavpanelVisibility, setNumber, setParent, setScanning, setSelected, setWritable, updateReferences, write

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface artisynth.core.mechmodels.CollidableBody

hasInvariantMasters

Methods inherited from interface artisynth.core.modelbase.ModelComponent

getHardReferences, getName, getNavpanelVisibility, getNumber, getParent, getSoftReferences, hasState, isFixed, isMarked, isSelected, notifyParentOfChange, scan, setFixed, setMarked, setName, setNumber, setParent, setSelected, setWritable, updateReferences

Methods inherited from interface maspack.properties.HasProperties

getProperty

Methods inherited from interface maspack.properties.HierarchyNode

getChildren, hasChildren

Methods inherited from interface artisynth.core.modelbase.PostScannable

postscan

Methods inherited from interface maspack.util.Scannable

isWritable, write

Methods inherited from interface artisynth.core.femmodels.FemMesh

getMesh, isMeshPolygonal

Methods inherited from interface maspack.render.IsSelectable

getSelection, isSelectable, numSelectionQueriesNeeded

Methods inherited from interface maspack.render.IsRenderable

getRenderHints, prerender, updateBounds

Methods inherited from interface maspack.render.HasRenderProps

createRenderProps, getRenderProps, setRenderProps

Methods inherited from interface artisynth.core.modelbase.TransformableGeometry

transformPriority

Field Detail

myProps

public static PropertyList myProps

Constructor Detail

MFreeMeshComp

public MFreeMeshComp()

MFreeMeshComp

public MFreeMeshComp(MFreeModel3d mfree)

MFreeMeshComp

public MFreeMeshComp(MFreeModel3d fem,
                     java.lang.String name)

Method Detail

getAllPropertyInfo

public PropertyList getAllPropertyInfo()

Description copied from interface: HasProperties

Returns a list giving static information about all properties exported by this object.

Specified by:

getAllPropertyInfo in interface HasProperties

Overrides:

getAllPropertyInfo in class FemMeshComp

Returns:

static information for all exported properties

setSurfaceRendering

public void setSurfaceRendering(FemModel.SurfaceRender mode)

Overrides:

setSurfaceRendering in class FemMeshBase

render

public void render(Renderer renderer,
                   int flags)

Description copied from interface: IsRenderable

Render this object using the functionality of the supplied Renderer.

Specified by:

render in interface IsRenderable

Overrides:

render in class FemMeshComp

Parameters:

renderer - provides the functionality used to perform the rendering.

flags - flags that may be used to control different aspects of the rendering. Flags are defined in Renderer and currently include Renderer.HIGHLIGHT and Renderer.SORT_FACES.

numVertexAttachments

public int numVertexAttachments()

Overrides:

numVertexAttachments in class FemMeshComp

getVertexAttachment

public PointAttachment getVertexAttachment(Vertex3d vtx)

Description copied from class: DynamicMeshComponent

Retrieves (or creates) a vertex attachment component associated with vertex vtx, describing how its motion is driver by the underlying physical system.

Overrides:

getVertexAttachment in class FemMeshComp

Parameters:

vtx - vertex

Returns:

PointAttachment structure

getVertexAttachment

public PointAttachment getVertexAttachment(int idx)

Description copied from class: DynamicMeshComponent

Retrieves (or creates) a vertex attachment component associated with vertex vidx, describing how its motion is driven by the underlying physical system.

Overrides:

getVertexAttachment in class FemMeshComp

Parameters:

idx - vertex index

Returns:

PointAttachment structure

isSingleNodeMapped

public boolean isSingleNodeMapped()

Returns true if every vertex in this mesh is directly attached to a single FEM node. If this is the case, then getNodeForVertex(maspack.geometry.Vertex3d) and getVertexForNode(artisynth.core.mfreemodels.MFreeNode3d) will never return null.

Overrides:

isSingleNodeMapped in class FemMeshComp

Returns:

true if every vertex is attached a single node

getNodeForVertex

public MFreeNode3d getNodeForVertex(Vertex3d vtx)

Returns the node to which a specified vertex is directly attached, or null if no such node exists. In particular, if the specified vertex is controlled by multiple nodes, then this method will return null.

Overrides:

getNodeForVertex in class FemMeshComp

Parameters:

vtx - vertex being queried

Returns:

node to which vtx is directly attached, or null.

getVertexForNode

public Vertex3d getVertexForNode(MFreeNode3d node)

Returns a vertex which is directly attached to the specified node, or null if no such vertex exists.

Parameters:

node - node whose vertex is being queried

Returns:

vertex directly attached to the node, or null.

getFaceElement

public MFreeElement3d getFaceElement(Face face)

Overrides:

getFaceElement in class FemMeshComp

createEmbedded

public static MFreeMeshComp createEmbedded(MFreeMeshComp surf,
                                           MeshBase mesh)

getFem

public MFreeModel3d getFem()

Specified by:

getFem in interface FemMesh

Overrides:

getFem in class FemMeshComp

addVertexAttachment

public void addVertexAttachment(PointAttachment attachment)

Overrides:

addVertexAttachment in class FemMeshComp

setVertexAttachment

public void setVertexAttachment(int vidx,
                                PointAttachment attachment)

Overrides:

setVertexAttachment in class FemMeshComp

setVertexAttachment

public void setVertexAttachment(int vidx,
                                double[] weights,
                                MFreeNode3d[] nodes)

createEmbedded

public static MFreeMeshComp createEmbedded(MFreeMeshComp surf,
                                           MeshBase mesh,
                                           MFreeModel3d mfree)

Assumes the mesh is in "rest" coordinates, not current coordinates

Parameters:

surf - mfree surface to populate (or null to create one)

mesh - mesh to embed

mfree - model to embed mesh in

Returns:

populated or created mesh

createEmbedded

public static MFreeMeshComp createEmbedded(MFreeModel3d fem,
                                           MeshBase mesh)

writeMesh

public boolean writeMesh(java.lang.String fileName)

Writes the mesh for this FemMeshComp out to a named file, using the format described for writeMesh(PrintWriter).

Overrides:

writeMesh in class FemMeshComp

Parameters:

fileName - Name of file to write the mesh to

Returns:

true if the mesh is a polygonal mesh and was written, and false otherwise.

writeMesh

public boolean writeMesh(java.io.PrintWriter pw)

Writes the mesh for this FemMeshComp out to a PrintWriter, using a format of the form

 [ v 3 1.0
   v 3 0.5 1 0.5
   v 1 0.25 2 0.35 3 0.25 4 0.25
   v 2 0.5 4 0.5
   v 4 1.0
   f 1 3 2
   f 1 5 3
   f 3 5 4
 ]
 

Here each line beginning with v describes a mesh vertex in terms of the FEM nodes to which it is attached. This takes the form of a list of number/weight pairs:

   v n_0 w_0 n_1 w_1 n_2 w_2 ...
 

where n_i and w_i indicate, respectively, a FEM node (using its number as returned by getNumber()), and its corresponding weight. In the case where a vertex is not associated with any nodes, then it is described by a line of the form

   v -1 pz py pz
 

where px, py, and pz give the vertex's (fixed) position in space.

Each line beginning with f describes a mesh face, using the vertex numbers in counter-clockwise order about the outward facing normal. To be consistent with Wavefront .obj format, the vertex numbers are 1-based and so are equal to the vertex indices plus one.

If the mesh is not an instance of PolygonalMesh, then the method does nothing and returns null.

Overrides:

writeMesh in class FemMeshComp

Parameters:

pw - writer to whichmesh is written

Returns:

true if the mesh is a polygonal mesh and was written, and false otherwise.

writeMesh

public boolean writeMesh(java.io.PrintWriter pw,
                         boolean nodeFormat)

Overrides:

writeMesh in class FemMeshComp

scanMesh

public MeshBase scanMesh(ReaderTokenizer rtok)
                  throws java.io.IOException

Scans this mesh from a file, using the format described for writeMesh(java.lang.String). For backward compatibility, a format of the form

 [ f 0 1 2
   f 2 3 4
   f 4 5 6
 ]
 

Where no vertex information is given, and each face is instead described using the numbers of the FEM nodes that underlie each vertex. This makes the assumption that the mesh is single node mapped (i.e., isSingleNodeMapped() returns true), so that each vertex is associated with a single FEM node.

Overrides:

scanMesh in class FemMeshComp

Parameters:

rtok - tokenizer from which mesh is read

Returns:

the scanned mesh

Throws:

java.io.IOException

connectToHierarchy

public void connectToHierarchy(CompositeComponent hcomp)

Description copied from class: ModelComponentBase

Called by the system after this component, or an ancestor of this component, is added to the component hierarchy (i.e., added as a child of another CompositeComponent). This method is responsible for doing any required hierarchy-dependent initialization, including any updating of referenced components.

When this method is called, ModelComponent.getParent() will return the new parent component; the system will have set this beforehand.

Specified by:

connectToHierarchy in interface ModelComponent

Overrides:

connectToHierarchy in class FemMeshComp

Parameters:

hcomp - hierarchy component to which this component, or its ancestor, was attached

disconnectFromHierarchy

public void disconnectFromHierarchy(CompositeComponent hcomp)

Description copied from class: ModelComponentBase

Called by the system after this component, or an ancestor of this component, is removed from the component hierarchy (i.e., removed as a child of its parent). This method is responsible for any required hierarchy-dependent deinitialization, including any updating of referenced components.

When this method is called, ModelComponent.getParent() will still return this original parent component; the system will set this to null after.

Specified by:

disconnectFromHierarchy in interface ModelComponent

Overrides:

disconnectFromHierarchy in class FemMeshComp

Parameters:

hcomp - hierarchy component from which this component, or its ancestor, was detached

copy

public MFreeMeshComp copy(int flags,
                          java.util.Map<ModelComponent,ModelComponent> copyMap)

Overrides:

copy in class FemMeshComp

isSurfaceMesh

public boolean isSurfaceMesh()

Overrides:

isSurfaceMesh in class FemMeshComp

hasNodeDependency

public boolean hasNodeDependency(MFreeNode3d node)

Check if this mesh depends on a particular node

getCollisionMesh

public PolygonalMesh getCollisionMesh()

Description copied from interface: CollidableBody

Returns the mesh that should be used for computing collisions, or null if there is no such mesh. If this method returns null, then no collisions will be performed for this collidable, regardless any default or explicit collision behaviors that have been arranged by the system.

Specified by:

getCollisionMesh in interface CollidableBody

Overrides:

getCollisionMesh in class FemMeshComp

Returns:

collision mesh for this collidable.

hasDistanceGrid

public boolean hasDistanceGrid()

Description copied from interface: CollidableBody

Returns true if this Collidable supports a signed distance grid that can be used with a SignedDistanceCollider. At present, this will only be true for non-deformable bodies.

Specified by:

hasDistanceGrid in interface CollidableBody

Overrides:

hasDistanceGrid in class FemMeshComp

Returns:

true if this Collidable supports a signed distance grid

getDistanceGridComp

public DistanceGridComp getDistanceGridComp()

Description copied from interface: CollidableBody

Returns a DistanceGridComp object that in turn contains a signed distance grid that can be used with a SignedDistanceCollider, or null if this Collidable does not support a signed distance grid (i.e., if CollidableBody.hasDistanceGrid() returns false).

Specified by:

getDistanceGridComp in interface CollidableBody

Overrides:

getDistanceGridComp in class FemMeshComp

getCollidable

public Collidable.Collidability getCollidable()

Description copied from interface: Collidable

Returns the Collidable.Collidability of this Collidable. This provides control over whether external and/or internal collisions are enabled for this Collidable. This setting takes precedence over default and explicitly requested collision behaviors.

Note that for collisions to actually occur, they still need to be enabled through either a default or explicit collision behavior in the MechModel.

Specified by:

getCollidable in interface Collidable

Overrides:

getCollidable in class FemMeshComp

Returns:

Collidability of this collidable.

setCollidable

public void setCollidable(Collidable.Collidability c)

Overrides:

setCollidable in class FemMeshComp

getCollidableAncestor

public Collidable getCollidableAncestor()

Description copied from interface: Collidable

Returns the most immediate Collidable ancestor of this Collidable, if any. Otherwise, return null.

Specified by:

getCollidableAncestor in interface Collidable

Overrides:

getCollidableAncestor in class FemMeshComp

Returns:

immediate Collidable ancestor, or null.

isCompound

public boolean isCompound()

Description copied from interface: Collidable

Queries whether or not this collidable has sub-collidables.

Specified by:

isCompound in interface Collidable

Overrides:

isCompound in class FemMeshComp

Returns:

true if this collidable has sub-collidables

isDeformable

public boolean isDeformable()

Description copied from interface: Collidable

Returns true if this collidable is deformable. Whether or not a collidable is deformable determines how it responds to default collision behaviors involving deformable and rigid collidables. Also, self-collisions among sub-collidables of a collidable A are permitted only if A is deformable.

Specified by:

isDeformable in interface Collidable

Overrides:

isDeformable in class FemMeshComp

Returns:

true if this collidable is deformable

getMass

public double getMass()

Description copied from interface: CollidableBody

Returns the mass of the body.

Specified by:

getMass in interface CollidableBody

Overrides:

getMass in class FemMeshComp

Returns:

mass of the body

collectVertexMasters

public void collectVertexMasters(java.util.List<ContactMaster> mlist,
                                 Vertex3d vtx)

Description copied from class: FemMeshComp

Collects the contact masters for a particular mesh vertex. The masters should be appended to mlist. The vertex should be a vertex of the mesh returned by CollidableBody.getCollisionMesh().

If CollidableBody.hasInvariantMasters() returns true, then the contact masters will not depend on vtx.

Specified by:

collectVertexMasters in interface CollidableBody

Overrides:

collectVertexMasters in class FemMeshComp

Parameters:

mlist - collected master components

vtx - vertex for which the master components are requested

containsContactMaster

public boolean containsContactMaster(CollidableDynamicComponent comp)

Description copied from interface: CollidableBody

Returns true if this Collidable contains a specified contact master component.

Specified by:

containsContactMaster in interface CollidableBody

Overrides:

containsContactMaster in class FemMeshComp

Parameters:

comp - component to test for

Returns:

true if comp is contained in this Collidable

allowCollision

public boolean allowCollision(ContactPoint cpnt,
                              Collidable other,
                              java.util.Set<Vertex3d> attachedVertices)

Description copied from interface: CollidableBody

Returns true if a collision between this Collidable and other should be allowed for the contact point cpnt. In making this decision, this method may refer to attachedVertices, which supplies a list of vertices on this Collidable which are attached in some way to the other Collidable.

Specified by:

allowCollision in interface CollidableBody

Overrides:

allowCollision in class FemMeshComp

Parameters:

cpnt - contact point being tested

other - opposing collidable

attachedVertices - list of vertices attached to other.

Returns:

true if the collision should be allowed

getCollidableIndex

public int getCollidableIndex()

Specified by:

getCollidableIndex in interface CollidableBody

Overrides:

getCollidableIndex in class FemMeshComp

setCollidableIndex

public void setCollidableIndex(int idx)

Specified by:

setCollidableIndex in interface CollidableBody

Overrides:

setCollidableIndex in class FemMeshComp

createPointAttachment

public PointFem3dAttachment createPointAttachment(Point pnt)

Description copied from interface: PointAttachable

Returns a PointAttachment that attaches pnt to this component. It should not be assumed that pnt is currently connected to the component hierarchy, and no attempt should be made to connect the returned attachment to the hierarchy; the latter, if desired, is the responsibility of the caller.

In some cases, it may not be possible to attach the point at its present location. In that case, the method will create an attachment to the nearest feasible location.

Specified by:

createPointAttachment in interface PointAttachable

Overrides:

createPointAttachment in class FemMeshComp

Parameters:

pnt - point for which an attachment should be created

Returns:

attachment connecting pnt to this component

getModel

public FemModel3d getModel()

Overrides:

getModel in class FemMeshComp