class_physicsdirectspacestate2d.rst 13 KB

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  5. .. XML source: https://github.com/godotengine/godot/tree/master/doc/classes/PhysicsDirectSpaceState2D.xml.
  6. .. _class_PhysicsDirectSpaceState2D:
  7. PhysicsDirectSpaceState2D
  8. =========================
  9. **Inherits:** :ref:`Object<class_Object>`
  10. **Inherited By:** :ref:`PhysicsDirectSpaceState2DExtension<class_PhysicsDirectSpaceState2DExtension>`
  11. Provides direct access to a physics space in the :ref:`PhysicsServer2D<class_PhysicsServer2D>`.
  12. .. rst-class:: classref-introduction-group
  13. Description
  14. -----------
  15. Provides direct access to a physics space in the :ref:`PhysicsServer2D<class_PhysicsServer2D>`. It's used mainly to do queries against objects and areas residing in a given space.
  16. .. rst-class:: classref-introduction-group
  17. Tutorials
  18. ---------
  19. - :doc:`Physics introduction <../tutorials/physics/physics_introduction>`
  20. - :doc:`Ray-casting <../tutorials/physics/ray-casting>`
  21. .. rst-class:: classref-reftable-group
  22. Methods
  23. -------
  24. .. table::
  25. :widths: auto
  26. +------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  27. | :ref:`PackedFloat32Array<class_PackedFloat32Array>` | :ref:`cast_motion<class_PhysicsDirectSpaceState2D_method_cast_motion>`\ (\ parameters\: :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>`\ ) |
  28. +------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  29. | :ref:`Array<class_Array>`\[:ref:`Vector2<class_Vector2>`\] | :ref:`collide_shape<class_PhysicsDirectSpaceState2D_method_collide_shape>`\ (\ parameters\: :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>`, max_results\: :ref:`int<class_int>` = 32\ ) |
  30. +------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  31. | :ref:`Dictionary<class_Dictionary>` | :ref:`get_rest_info<class_PhysicsDirectSpaceState2D_method_get_rest_info>`\ (\ parameters\: :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>`\ ) |
  32. +------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  33. | :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] | :ref:`intersect_point<class_PhysicsDirectSpaceState2D_method_intersect_point>`\ (\ parameters\: :ref:`PhysicsPointQueryParameters2D<class_PhysicsPointQueryParameters2D>`, max_results\: :ref:`int<class_int>` = 32\ ) |
  34. +------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  35. | :ref:`Dictionary<class_Dictionary>` | :ref:`intersect_ray<class_PhysicsDirectSpaceState2D_method_intersect_ray>`\ (\ parameters\: :ref:`PhysicsRayQueryParameters2D<class_PhysicsRayQueryParameters2D>`\ ) |
  36. +------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  37. | :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] | :ref:`intersect_shape<class_PhysicsDirectSpaceState2D_method_intersect_shape>`\ (\ parameters\: :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>`, max_results\: :ref:`int<class_int>` = 32\ ) |
  38. +------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
  39. .. rst-class:: classref-section-separator
  40. ----
  41. .. rst-class:: classref-descriptions-group
  42. Method Descriptions
  43. -------------------
  44. .. _class_PhysicsDirectSpaceState2D_method_cast_motion:
  45. .. rst-class:: classref-method
  46. :ref:`PackedFloat32Array<class_PackedFloat32Array>` **cast_motion**\ (\ parameters\: :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>`\ ) :ref:`🔗<class_PhysicsDirectSpaceState2D_method_cast_motion>`
  47. Checks how far a :ref:`Shape2D<class_Shape2D>` can move without colliding. All the parameters for the query, including the shape and the motion, are supplied through a :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object.
  48. Returns an array with the safe and unsafe proportions (between 0 and 1) of the motion. The safe proportion is the maximum fraction of the motion that can be made without a collision. The unsafe proportion is the minimum fraction of the distance that must be moved for a collision. If no collision is detected a result of ``[1.0, 1.0]`` will be returned.
  49. \ **Note:** Any :ref:`Shape2D<class_Shape2D>`\ s that the shape is already colliding with e.g. inside of, will be ignored. Use :ref:`collide_shape()<class_PhysicsDirectSpaceState2D_method_collide_shape>` to determine the :ref:`Shape2D<class_Shape2D>`\ s that the shape is already colliding with.
  50. .. rst-class:: classref-item-separator
  51. ----
  52. .. _class_PhysicsDirectSpaceState2D_method_collide_shape:
  53. .. rst-class:: classref-method
  54. :ref:`Array<class_Array>`\[:ref:`Vector2<class_Vector2>`\] **collide_shape**\ (\ parameters\: :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>`, max_results\: :ref:`int<class_int>` = 32\ ) :ref:`🔗<class_PhysicsDirectSpaceState2D_method_collide_shape>`
  55. Checks the intersections of a shape, given through a :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object, against the space. The resulting array contains a list of points where the shape intersects another. Like with :ref:`intersect_shape()<class_PhysicsDirectSpaceState2D_method_intersect_shape>`, the number of returned results can be limited to save processing time.
  56. Returned points are a list of pairs of contact points. For each pair the first one is in the shape passed in :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object, second one is in the collided shape from the physics space.
  57. .. rst-class:: classref-item-separator
  58. ----
  59. .. _class_PhysicsDirectSpaceState2D_method_get_rest_info:
  60. .. rst-class:: classref-method
  61. :ref:`Dictionary<class_Dictionary>` **get_rest_info**\ (\ parameters\: :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>`\ ) :ref:`🔗<class_PhysicsDirectSpaceState2D_method_get_rest_info>`
  62. Checks the intersections of a shape, given through a :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object, against the space. If it collides with more than one shape, the nearest one is selected. The returned object is a dictionary containing the following fields:
  63. \ ``collider_id``: The colliding object's ID.
  64. \ ``linear_velocity``: The colliding object's velocity :ref:`Vector2<class_Vector2>`. If the object is an :ref:`Area2D<class_Area2D>`, the result is ``(0, 0)``.
  65. \ ``normal``: The collision normal of the query shape at the intersection point, pointing away from the intersecting object.
  66. \ ``point``: The intersection point.
  67. \ ``rid``: The intersecting object's :ref:`RID<class_RID>`.
  68. \ ``shape``: The shape index of the colliding shape.
  69. If the shape did not intersect anything, then an empty dictionary is returned instead.
  70. .. rst-class:: classref-item-separator
  71. ----
  72. .. _class_PhysicsDirectSpaceState2D_method_intersect_point:
  73. .. rst-class:: classref-method
  74. :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] **intersect_point**\ (\ parameters\: :ref:`PhysicsPointQueryParameters2D<class_PhysicsPointQueryParameters2D>`, max_results\: :ref:`int<class_int>` = 32\ ) :ref:`🔗<class_PhysicsDirectSpaceState2D_method_intersect_point>`
  75. Checks whether a point is inside any solid shape. Position and other parameters are defined through :ref:`PhysicsPointQueryParameters2D<class_PhysicsPointQueryParameters2D>`. The shapes the point is inside of are returned in an array containing dictionaries with the following fields:
  76. \ ``collider``: The colliding object.
  77. \ ``collider_id``: The colliding object's ID.
  78. \ ``rid``: The intersecting object's :ref:`RID<class_RID>`.
  79. \ ``shape``: The shape index of the colliding shape.
  80. The number of intersections can be limited with the ``max_results`` parameter, to reduce the processing time.
  81. \ **Note:** :ref:`ConcavePolygonShape2D<class_ConcavePolygonShape2D>`\ s and :ref:`CollisionPolygon2D<class_CollisionPolygon2D>`\ s in ``Segments`` build mode are not solid shapes. Therefore, they will not be detected.
  82. .. rst-class:: classref-item-separator
  83. ----
  84. .. _class_PhysicsDirectSpaceState2D_method_intersect_ray:
  85. .. rst-class:: classref-method
  86. :ref:`Dictionary<class_Dictionary>` **intersect_ray**\ (\ parameters\: :ref:`PhysicsRayQueryParameters2D<class_PhysicsRayQueryParameters2D>`\ ) :ref:`🔗<class_PhysicsDirectSpaceState2D_method_intersect_ray>`
  87. Intersects a ray in a given space. Ray position and other parameters are defined through :ref:`PhysicsRayQueryParameters2D<class_PhysicsRayQueryParameters2D>`. The returned object is a dictionary with the following fields:
  88. \ ``collider``: The colliding object.
  89. \ ``collider_id``: The colliding object's ID.
  90. \ ``normal``: The object's surface normal at the intersection point, or ``Vector2(0, 0)`` if the ray starts inside the shape and :ref:`PhysicsRayQueryParameters2D.hit_from_inside<class_PhysicsRayQueryParameters2D_property_hit_from_inside>` is ``true``.
  91. \ ``position``: The intersection point.
  92. \ ``rid``: The intersecting object's :ref:`RID<class_RID>`.
  93. \ ``shape``: The shape index of the colliding shape.
  94. If the ray did not intersect anything, then an empty dictionary is returned instead.
  95. .. rst-class:: classref-item-separator
  96. ----
  97. .. _class_PhysicsDirectSpaceState2D_method_intersect_shape:
  98. .. rst-class:: classref-method
  99. :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] **intersect_shape**\ (\ parameters\: :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>`, max_results\: :ref:`int<class_int>` = 32\ ) :ref:`🔗<class_PhysicsDirectSpaceState2D_method_intersect_shape>`
  100. Checks the intersections of a shape, given through a :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object, against the space. The intersected shapes are returned in an array containing dictionaries with the following fields:
  101. \ ``collider``: The colliding object.
  102. \ ``collider_id``: The colliding object's ID.
  103. \ ``rid``: The intersecting object's :ref:`RID<class_RID>`.
  104. \ ``shape``: The shape index of the colliding shape.
  105. The number of intersections can be limited with the ``max_results`` parameter, to reduce the processing time.
  106. .. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
  107. .. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
  108. .. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
  109. .. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
  110. .. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
  111. .. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
  112. .. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`
  113. .. |void| replace:: :abbr:`void (No return value.)`