Physics2D

class in UnityEngine

Implemented in:UnityEngine.Physics2DModule

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Description

Global settings and helpers for 2D physics.

Static Properties

AllLayers	Layer mask constant that includes all layers.
alwaysShowColliders	Should the collider gizmos always be shown even when they are not selected?
angularSleepTolerance	A rigid-body cannot sleep if its angular velocity is above this tolerance.
autoSimulation	Sets whether the physics should be simulated automatically or not.
autoSyncTransforms	Whether or not to automatically sync transform changes with the physics system whenever a Transform component changes.
baumgarteScale	The scale factor that controls how fast overlaps are resolved.
baumgarteTOIScale	The scale factor that controls how fast TOI overlaps are resolved.
callbacksOnDisable	Use this to control whether or not the appropriate OnCollisionExit2D or OnTriggerExit2D callbacks should be called when a Collider2D is disabled.
colliderAABBColor	Sets the color used by the gizmos to show all Collider axis-aligned bounding boxes (AABBs).
colliderAsleepColor	The color used by the gizmos to show all asleep colliders (collider is asleep when the body is asleep).
colliderAwakeColor	The color used by the gizmos to show all awake colliders (collider is awake when the body is awake).
colliderContactColor	The color used by the gizmos to show all collider contacts.
contactArrowScale	The scale of the contact arrow used by the collider gizmos.
defaultContactOffset	The default contact offset of the newly created colliders.
defaultPhysicsScene	The PhysicsScene2D automatically created when Unity starts.
DefaultRaycastLayers	Layer mask constant that includes all layers participating in raycasts by default.
gravity	Acceleration due to gravity.
IgnoreRaycastLayer	Layer mask constant for the default layer that ignores raycasts.
jobOptions	A set of options that control how physics operates when using the job system to multithread the physics simulation.
linearSleepTolerance	A rigid-body cannot sleep if its linear velocity is above this tolerance.
maxAngularCorrection	The maximum angular position correction used when solving constraints. This helps to prevent overshoot.
maxLinearCorrection	The maximum linear position correction used when solving constraints. This helps to prevent overshoot.
maxRotationSpeed	The maximum angular speed of a rigid-body per physics update. Increasing this can cause numerical problems.
maxTranslationSpeed	The maximum linear speed of a rigid-body per physics update. Increasing this can cause numerical problems.
positionIterations	The number of iterations of the physics solver when considering objects' positions.
queriesHitTriggers	Do raycasts detect Colliders configured as triggers?
queriesStartInColliders	Sets the raycasts or linecasts that start inside Colliders to detect or not detect those Colliders.
reuseCollisionCallbacks	Determines whether the garbage collector should reuse only a single instance of a Collision2D type for all collision callbacks.
showColliderAABB	Should the collider gizmos show the AABBs for each collider?
showColliderContacts	Should the collider gizmos show current contacts for each collider?
showColliderSleep	Should the collider gizmos show the sleep-state for each collider?
timeToSleep	The time in seconds that a rigid-body must be still before it will go to sleep.
velocityIterations	The number of iterations of the physics solver when considering objects' velocities.
velocityThreshold	Any collisions with a relative linear velocity below this threshold will be treated as inelastic.

Static Methods

BoxCast	Casts a box against colliders in the Scene, returning the first collider to contact with it.
BoxCastAll	Casts a box against colliders in the Scene, returning all colliders that contact with it.
BoxCastNonAlloc	Casts a box into the Scene, returning colliders that contact with it into the provided results array.
CapsuleCast	Casts a capsule against colliders in the Scene, returning the first collider to contact with it.
CapsuleCastAll	Casts a capsule against colliders in the Scene, returning all colliders that contact with it.
CapsuleCastNonAlloc	Casts a capsule into the Scene, returning colliders that contact with it into the provided results array.
CircleCast	Casts a circle against colliders in the Scene, returning the first collider to contact with it.
CircleCastAll	Casts a circle against colliders in the Scene, returning all colliders that contact with it.
CircleCastNonAlloc	Casts a circle into the Scene, returning colliders that contact with it into the provided results array.
ClosestPoint	Returns a point on the perimeter of the collider that is closest to the specified position.
Distance	Calculates the minimum distance between two colliders.
GetContacts	Retrieves all colliders in contact with the collider.
GetIgnoreCollision	Checks whether the collision detection system will ignore all collisions/triggers between collider1 and collider2 or not.
GetIgnoreLayerCollision	Checks whether collisions between the specified layers be ignored or not.
GetLayerCollisionMask	Get the collision layer mask that indicates which layer(s) the specified layer can collide with.
GetRayIntersection	Cast a 3D ray against the colliders in the Scene returning the first collider along the ray.
GetRayIntersectionAll	Cast a 3D ray against the colliders in the Scene returning all the colliders along the ray.
GetRayIntersectionNonAlloc	Cast a 3D ray against the colliders in the Scene returning the colliders along the ray.
IgnoreCollision	Makes the collision detection system ignore all collisions/triggers between collider1 and collider2.
IgnoreLayerCollision	Choose whether to detect or ignore collisions between a specified pair of layers.
IsTouching	Checks whether the passed colliders are in contact or not.
IsTouchingLayers	Checks whether the collider is touching any colliders on the specified layerMask or not.
Linecast	Casts a line segment against colliders in the Scene.
LinecastAll	Casts a line against colliders in the Scene.
LinecastNonAlloc	Casts a line against colliders in the Scene.
OverlapArea	Checks if a collider falls within a rectangular area.
OverlapAreaAll	Get a list of all colliders that fall within a rectangular area.
OverlapAreaNonAlloc	Get a list of all colliders that fall within a specified area.
OverlapBox	Checks if a collider falls within a box area.
OverlapBoxAll	Get a list of all colliders that fall within a box area.
OverlapBoxNonAlloc	Get a list of all colliders that fall within a box area.
OverlapCapsule	Checks if a collider falls within a capsule area.
OverlapCapsuleAll	Get a list of all colliders that fall within a capsule area.
OverlapCapsuleNonAlloc	Get a list of all colliders that fall within a capsule area.
OverlapCircle	Checks if a collider falls within a circular area.
OverlapCircleAll	Get a list of all colliders that fall within a circular area.
OverlapCircleNonAlloc	Get a list of all colliders that fall within a circular area.
OverlapCollider	Gets a list of all Colliders that overlap the given collider.
OverlapPoint	Checks if a collider overlaps a point in space.
OverlapPointAll	Get a list of all colliders that overlap a point in space.
OverlapPointNonAlloc	Get a list of all colliders that overlap a point in space.
Raycast	Casts a ray against colliders in the Scene.
RaycastAll	Casts a ray against colliders in the Scene, returning all colliders that contact with it.
RaycastNonAlloc	Casts a ray into the Scene.
SetLayerCollisionMask	Set the collision layer mask that indicates which layer(s) the specified layer can collide with.
Simulate	Simulate physics in the Scene.
SyncTransforms	Synchronizes.

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Scripting API

Physics2D

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Description

Static Properties

Static Methods