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Contact Class

The class manages contact between two shapes. A contact exists for each overlapping AABB in the broad-phase (except if filtered). Therefore a contact object may exist that has no contact points.
Inheritance Hierarchy
SystemObject
  Internal.tainicom.Aether.Physics2D.Dynamics.ContactsContact
    Internal.tainicom.Aether.Physics2D.Dynamics.ContactsContactListHead

Namespace: Internal.tainicom.Aether.Physics2D.Dynamics.Contacts
Assembly: NeoAxis.Core (in NeoAxis.Core.dll) Version: 2026.1.1.0 (2026.1.1.0)
Syntax
C#
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public class Contact

The Contact type exposes the following members.

Constructors
 NameDescription
Protected methodContactInitializes a new instance of the Contact class
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Properties
 NameDescription
Public propertyChildIndexA Get the child primitive index for fixture A.
Public propertyChildIndexB Get the child primitive index for fixture B.
Public propertyEnabled 
Public propertyFixtureA 
Public propertyFixtureB 
Public propertyFriction 
Public propertyIsTouching Determines whether this contact is touching.
Public propertyNext Get the next contact in the world's contact list.
Public propertyPrev Get the previous contact in the world's contact list.
Public propertyRestitution 
Public propertyTangentSpeed 
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Methods
 NameDescription
Public methodEqualsDetermines whether the specified object is equal to the current object.
(Inherited from Object)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.
(Inherited from Object)
Public methodGetHashCodeServes as the default hash function.
(Inherited from Object)
Public methodGetTypeGets the Type of the current instance.
(Inherited from Object)
Public methodGetWorldManifold Gets the world manifold.
Protected methodMemberwiseCloneCreates a shallow copy of the current Object.
(Inherited from Object)
Public methodResetFriction 
Public methodResetRestitution 
Public methodToStringReturns a string that represents the current object.
(Inherited from Object)
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Fields
 NameDescription
Public fieldManifold Get the contact manifold. Do not modify the manifold unless you understand the internals of Box2D.
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Extension Methods
 NameDescription
Public Extension MethodMethodInvoke Calls the object method by name.
(Defined by ObjectEx)
Public Extension MethodPropertyGet Gets the value of the object property by name.
(Defined by ObjectEx)
Public Extension MethodPropertyGetT Gets the value of the object property by name.
(Defined by ObjectEx)
Public Extension MethodPropertySet Sets the value of the object property by name.
(Defined by ObjectEx)
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See Also