CollisionCollection
CollisionCollection holds a collection of objects that can be managed as a single entity for resolution of inter-object collisions.
The CollisionCollection node belongs to the RigidBodyPhysics component and its container field is collider. It is available since X3D version 3.2 or later.
Fields
SFNode [in, out] metadata NULL
Metadata are not part of the X3D world and not interpreted by the X3D browser, but they can be accessed via the ECMAScript interface.
SFBool [in, out] enabled TRUE
Enables/disables node operation.
MFString [in, out] appliedParameters "BOUNCE"
Default global parameters for collision outputs of rigid body physics system. Contact node can override parent CollisionCollection node. Selectable values for array: "BOUNCE" "USER_FRICTION" "FRICTION_COEFFICIENT-2" "ERROR_REDUCTION" "CONSTANT_FORCE" "SPEED-1" "SPEED-2" "SLIP-1" "SLIP-2".
Hint
BOUNCE: bounce value is used; USER_FRICTION: apply user-supplied value; FRICTION_COEFFICIENT-2: apply frictionCoefficients values; ERROR_REDUCTION: apply softnessErrorCorrection value; CONSTANT_FORCE: apply softnessConstantForceMix value; SPEED-1: apply first component of surfaceSpeed array; SPEED-2: apply second component of surfaceSpeed array; SLIP-1: apply first component of slipFactors array; SLIP-2: apply second component of slipFactors array.
SFFloat [in, out] bounce [0,1]
Bounce indicates bounciness (0 = no bounce at all, 1 = maximum bounce).
SFFloat [in, out] minBounceSpeed 0.1
MinBounceSpeed m/s needed to bounce.
SFVec2f [in, out] frictionCoefficients 0 0
FrictionCoefficients used for computing surface drag.
SFVec2f [in, out] surfaceSpeed 0 0
SurfaceSpeed defines speed vectors for computing surface drag, if contact surfaces move independently of bodies.
SFVec2f [in, out] slipFactors 0 0
SlipFactors used for computing surface drag.
SFFloat [in, out] softnessConstantForceMix 0.0001
SoftnessConstantForceMix value applies a constant force value to make colliding surfaces appear to be somewhat soft.
SFFloat [in, out] softnessErrorCorrection 0.8
SoftnessErrorCorrection indicates fraction of collision error fixed in a set of evaluations (0 = no error correction, 1 = all errors corrected in single step).
MFNode [in, out] collidables [ ] [X3DNBodyCollisionSpaceNode,
Input/Output field collidables.
Example
XML Encoding
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<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "http://www.web3d.org/specifications/x3d-3.3.dtd"> <X3D profile='Full' version='3.3' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='http://www.web3d.org/specifications/x3d-3.3.xsd'> <head> <unit category='angle' name='degree' conversionFactor='0.0174532925199432958'/> <meta name='comment' content='World of Titania'/> <meta name='created' content='Fri, 18 May 2018 03:17:41 GMT'/> <meta name='creator' content='Holger Seelig'/> <meta name='generator' content='Titania V4.1.1, http://titania.create3000.de'/> <meta name='identifier' content='file:///home/holger/Projekte/Server/create3000.de/media/htdocs/components/RigidBodyPhysics/CollisionCollection/CollisionCollection.O.x3d'/> <meta name='modified' content='Fri, 18 May 2018 03:53:21 GMT'/> </head> <Scene> <WorldInfo/> <Background skyAngle='90.0002' skyColor='0.023 0.023 0.023, 0.123 0.123 0.123' groundAngle='90.0002' groundColor='0.644 0.644 0.644, 0.123 0.123 0.123'/> <Viewpoint description='Inital View' position='1.82925 2.34474 3.19911' orientation='-0.724820835730136 0.661469489615511 0.192595094431979 43.7709213262184' centerOfRotation='6.66134e-16 -3.55271e-15 1.77636e-15'/> <Group DEF='Collidables'> <CollidableShape DEF='Ball' translation='0 -0.27105 0'> <Shape containerField='shape'> <Appearance> <Material DEF='Tropical22' ambientIntensity='0.187004' diffuseColor='0.0207323 0.339645 0.748016' specularColor='0.90303 0.90303 0.90303' shininess='0.927273'/> </Appearance> <Sphere radius='0.2'/> </Shape> </CollidableShape> <CollidableOffset DEF='Floor'> <CollidableShape containerField='collidable' translation='0 -1 0'> <Shape DEF='_1' containerField='shape'> <Appearance> <Material DEF='Glass33' ambientIntensity='0.0346667' diffuseColor='0.23 0.23 0.23' specularColor='0.407 0.407 0.407' shininess='0.0458015' transparency='0.351351'/> </Appearance> <Box size='2 0.2 2'/> </Shape> </CollidableShape> </CollidableOffset> <CollidableOffset DEF='Ceiling'> <CollidableShape containerField='collidable' translation='0 1 0'> <Shape USE='_1' containerField='shape'/> </CollidableShape> </CollidableOffset> </Group> <RigidBodyCollection> <CollisionCollection bounce='0.95' minBounceSpeed='0'> <CollidableShape USE='Ball' containerField='collidables'/> </CollisionCollection> <RigidBody DEF='Ball_2' position='0 -0.27105 0' linearVelocity='0 2.11618 0'> <CollidableShape USE='Ball' containerField='geometry'/> </RigidBody> <RigidBody DEF='Floor_3' fixed='true' linearVelocity='0 0.1 0'> <CollidableOffset USE='Floor' containerField='geometry'/> </RigidBody> <RigidBody DEF='Ceiling_4' fixed='true'> <CollidableOffset USE='Ceiling' containerField='geometry'/> </RigidBody> </RigidBodyCollection> <Script DEF='EnterWorldScript'> <field accessType='initializeOnly' type='SFNode' name='ball'> <RigidBody USE='Ball_2'/> </field> <![CDATA[ecmascript: function initialize () { ball .position = new SFVec3f (0, 0, 0); ball .orientation = new SFRotation (0, 0, 1, 0); ball .linearVelocity = new SFVec3f (0, 0, 0); ball .angularVelocity = new SFVec3f (0, 0, 0); } ]]> </Script> </Scene> </X3D> |
Classic Encoding
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#X3D V3.3 utf8 Titania V4.1.1 PROFILE Full UNIT angle degree 0.0174532925199432958 META "comment" "World of Titania" META "created" "Fri, 18 May 2018 03:17:41 GMT" META "creator" "Holger Seelig" META "generator" "Titania V4.1.1, http://titania.create3000.de" META "identifier" "file:///home/holger/Projekte/Server/create3000.de/media/htdocs/components/RigidBodyPhysics/CollisionCollection/CollisionCollection.O.x3d" META "modified" "Fri, 18 May 2018 03:53:21 GMT" WorldInfo { } Background { skyAngle 90.0002 skyColor [ 0.023 0.023 0.023, 0.123 0.123 0.123 ] groundAngle 90.0002 groundColor [ 0.644 0.644 0.644, 0.123 0.123 0.123 ] } Viewpoint { description "Inital View" position 1.82925 2.34474 3.19911 orientation -0.724820835730136 0.661469489615511 0.192595094431979 43.7709213262184 centerOfRotation 6.66134e-16 -3.55271e-15 1.77636e-15 } DEF Collidables Group { children [ DEF Ball CollidableShape { translation 0 -0.27105 0 shape Shape { appearance Appearance { material DEF Tropical22 Material { ambientIntensity 0.187004 diffuseColor 0.0207323 0.339645 0.748016 specularColor 0.90303 0.90303 0.90303 shininess 0.927273 } } geometry Sphere { radius 0.2 } } } DEF Floor CollidableOffset { collidable CollidableShape { translation 0 -1 0 shape DEF _1 Shape { appearance Appearance { material DEF Glass33 Material { ambientIntensity 0.0346667 diffuseColor 0.23 0.23 0.23 specularColor 0.407 0.407 0.407 shininess 0.0458015 transparency 0.351351 } } geometry Box { size 2 0.2 2 } } } } DEF Ceiling CollidableOffset { collidable CollidableShape { translation 0 1 0 shape USE _1 } } ] } RigidBodyCollection { collider CollisionCollection { bounce 0.95 minBounceSpeed 0 collidables USE Ball } bodies [ DEF Ball_2 RigidBody { position 0 -0.27105 0 linearVelocity 0 2.11618 0 geometry USE Ball } DEF Floor_3 RigidBody { fixed TRUE linearVelocity 0 0.1 0 geometry USE Floor } DEF Ceiling_4 RigidBody { fixed TRUE geometry USE Ceiling } ] } DEF EnterWorldScript Script { initializeOnly SFNode ball USE Ball_2 url "ecmascript: function initialize () { ball .position = new SFVec3f (0, 0, 0); ball .orientation = new SFRotation (0, 0, 1, 0); ball .linearVelocity = new SFVec3f (0, 0, 0); ball .angularVelocity = new SFVec3f (0, 0, 0); } " } |
JSON Encoding
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