2D 物理システムのグローバル設定とヘルパー関数です。
| AllLayers | すべてのレイヤーを含むレイヤーマスク定数 | 
| alwaysShowColliders | Enable to always show the Collider Gizmos even when they are not selected. | 
| angularSleepTolerance | A Rigidbody cannot sleep if its angular velocity is above this tolerance threshold. | 
| autoSyncTransforms | Set whether to automatically sync changes to the Transform component with the physics engine. | 
| baumgarteScale | 重複の解決にかける速度を管理するスケール要素 | 
| baumgarteTOIScale | TOI 重複の解決にかける速度を管理するスケール要素 | 
| callbacksOnDisable | Use this to control whether or not the appropriate OnCollisionExit2D or OnTriggerExit2D callbacks should be called when a Collider2D is disabled. | 
| colliderAABBColor | Set 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 | デフォルトで Raycast に関係するすべてのレイヤーを含むレイヤー定数 | 
| gravity | 重力加速度 | 
| IgnoreRaycastLayer | デフォルトのレイヤーマスク定数である Igonore Raycast | 
| jobOptions | A set of options that control how physics operates when using the job system to multithread the physics simulation. | 
| linearSleepTolerance | この許容値を上回る直線速度がある場合、リジッドボディはスリープしません。 | 
| maxAngularCorrection | 制限を解決する際に使用される最大角位置修正量。行き過ぎ防止に役立ちます。 | 
| maxLinearCorrection | 制限を解決する際に使用される最大直線位置修正量。行き過ぎ防止に役立ちます。 | 
| maxRotationSpeed | 物理更新毎のリジッドボディの最大角速度。この値を増やし過ぎると数値的な問題の原因になります。 | 
| maxTranslationSpeed | 物理更新毎のリジッドボディの最大直線速度。この値を増やし過ぎると数値的な問題の原因になります。 | 
| positionIterations | オブジェクトの位置について考慮する場合の物理ソルバーの反復回数 | 
| queriesHitTriggers | レイキャストでトリガーに設定しているコライダーを検知するか | 
| queriesStartInColliders | Set 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? | 
| simulationMode | Controls when Unity executes the 2D physics simulation. | 
| timeToSleep | リジッドボディがスリープするまでの秒単位での最低時間 | 
| velocityIterations | オブジェクトの速度について考慮する場合の物理ソルバーの反復回数 | 
| velocityThreshold | 相対直線速度を持つ衝突は、このしきい値を下回ると弾力がないものとして処理されます。 | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use BoxCast instead. | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use CapsuleCast instead. | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use CircleCast instead. | 
| 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 | 衝突判定システムが collider1 と collider2 間のすべての衝突/トリガーを無視するかを確認します。 | 
| GetIgnoreLayerCollision | Checks whether collisions between the specified layers be ignored or not. | 
| GetLayerCollisionMask | 指定したレイヤーに衝突する可能性があるレイヤーを示す衝突のレイヤーマスクを取得します。 | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use GetRayIntersection instead. | 
| IgnoreCollision | collider1 と collider2 のペア間の衝突/トリガーを検知するか無視するようにします | 
| IgnoreLayerCollision | 指定されたレイヤーのペア間の衝突を検知するか無視するか選択します | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use Linecast instead. | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use OverlapArea instead. | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use OverlapBox instead. | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use OverlapCapsule instead. | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use OverlapCircle instead. | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use OverlapPoint instead. | 
| 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. Note: This method will be deprecated in a future build and it is recommended to use Raycast instead. | 
| SetLayerCollisionMask | 指定したレイヤーに衝突する可能性があるレイヤーを示す衝突のレイヤーマスクを設定します。 | 
| Simulate | Simulate physics in the Scene. | 
| SyncTransforms | Synchronizes. |