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Inherits: Resource<class_Resource>
< RefCounted<class_RefCounted>
< Object<class_Object>
Inherited By: CapsuleShape2D<class_CapsuleShape2D>
, CircleShape2D<class_CircleShape2D>
, ConcavePolygonShape2D<class_ConcavePolygonShape2D>
, ConvexPolygonShape2D<class_ConvexPolygonShape2D>
, RectangleShape2D<class_RectangleShape2D>
, SegmentShape2D<class_SegmentShape2D>
, SeparationRayShape2D<class_SeparationRayShape2D>
, WorldBoundaryShape2D<class_WorldBoundaryShape2D>
Abstract base class for 2D shapes used for physics collision.
classref-introduction-group
Abstract base class for all 2D shapes, intended for use in physics.
Performance: Primitive shapes, especially CircleShape2D<class_CircleShape2D>
, are fast to check collisions against. ConvexPolygonShape2D<class_ConvexPolygonShape2D>
is slower, and ConcavePolygonShape2D<class_ConcavePolygonShape2D>
is the slowest.
classref-introduction-group
Physics introduction <../tutorials/physics/physics_introduction>
classref-reftable-group
float<class_float> |
custom_solver_bias<class_Shape2D_property_custom_solver_bias> |
0.0 |
classref-reftable-group
bool<class_bool> |
collide<class_Shape2D_method_collide> (local_xform: Transform2D<class_Transform2D> , with_shape: Shape2D<class_Shape2D> , shape_xform: Transform2D<class_Transform2D> ) |
PackedVector2Array<class_PackedVector2Array> |
collide_and_get_contacts<class_Shape2D_method_collide_and_get_contacts> (local_xform: Transform2D<class_Transform2D> , with_shape: Shape2D<class_Shape2D> , shape_xform: Transform2D<class_Transform2D> ) |
bool<class_bool> |
collide_with_motion<class_Shape2D_method_collide_with_motion> (local_xform: Transform2D<class_Transform2D> , local_motion: Vector2<class_Vector2> , with_shape: Shape2D<class_Shape2D> , shape_xform: Transform2D<class_Transform2D> , shape_motion: Vector2<class_Vector2> ) |
PackedVector2Array<class_PackedVector2Array> |
collide_with_motion_and_get_contacts<class_Shape2D_method_collide_with_motion_and_get_contacts> (local_xform: Transform2D<class_Transform2D> , local_motion: Vector2<class_Vector2> , with_shape: Shape2D<class_Shape2D> , shape_xform: Transform2D<class_Transform2D> , shape_motion: Vector2<class_Vector2> ) |
void (No return value.) |
:ref:draw<class_Shape2D_method_draw>(canvas_item: RID<class_RID> , color: Color<class_Color> ) |
Rect2<class_Rect2> |
get_rect<class_Shape2D_method_get_rect> () const (This method has no side effects. It doesn't modify any of the instance's member variables.) |
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classref-descriptions-group
classref-property
float<class_float>
custom_solver_bias = 0.0
classref-property-setget
void (No return value.)
set_custom_solver_bias(value:float<class_float>
)float<class_float>
get_custom_solver_bias()
The shape's custom solver bias. Defines how much bodies react to enforce contact separation when this shape is involved.
When set to 0
, the default value from ProjectSettings.physics/2d/solver/default_contact_bias<class_ProjectSettings_property_physics/2d/solver/default_contact_bias>
is used.
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classref-descriptions-group
classref-method
bool<class_bool>
collide(local_xform: Transform2D<class_Transform2D>
, with_shape: Shape2D<class_Shape2D>
, shape_xform: Transform2D<class_Transform2D>
)
Returns true
if this shape is colliding with another.
This method needs the transformation matrix for this shape (local_xform
), the shape to check collisions with (with_shape
), and the transformation matrix of that shape (shape_xform
).
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classref-method
PackedVector2Array<class_PackedVector2Array>
collide_and_get_contacts(local_xform: Transform2D<class_Transform2D>
, with_shape: Shape2D<class_Shape2D>
, shape_xform: Transform2D<class_Transform2D>
)
Returns a list of contact point pairs where this shape touches another.
If there are no collisions, the returned list is empty. Otherwise, the returned list contains contact points arranged in pairs, with entries alternating between points on the boundary of this shape and points on the boundary of with_shape
.
A collision pair A, B can be used to calculate the collision normal with (B - A).normalized()
, and the collision depth with (B - A).length()
. This information is typically used to separate shapes, particularly in collision solvers.
This method needs the transformation matrix for this shape (local_xform
), the shape to check collisions with (with_shape
), and the transformation matrix of that shape (shape_xform
).
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classref-method
bool<class_bool>
collide_with_motion(local_xform: Transform2D<class_Transform2D>
, local_motion: Vector2<class_Vector2>
, with_shape: Shape2D<class_Shape2D>
, shape_xform: Transform2D<class_Transform2D>
, shape_motion: Vector2<class_Vector2>
)
Returns whether this shape would collide with another, if a given movement was applied.
This method needs the transformation matrix for this shape (local_xform
), the movement to test on this shape (local_motion
), the shape to check collisions with (with_shape
), the transformation matrix of that shape (shape_xform
), and the movement to test onto the other object (shape_motion
).
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classref-method
PackedVector2Array<class_PackedVector2Array>
collide_with_motion_and_get_contacts(local_xform: Transform2D<class_Transform2D>
, local_motion: Vector2<class_Vector2>
, with_shape: Shape2D<class_Shape2D>
, shape_xform: Transform2D<class_Transform2D>
, shape_motion: Vector2<class_Vector2>
)
Returns a list of contact point pairs where this shape would touch another, if a given movement was applied.
If there would be no collisions, the returned list is empty. Otherwise, the returned list contains contact points arranged in pairs, with entries alternating between points on the boundary of this shape and points on the boundary of with_shape
.
A collision pair A, B can be used to calculate the collision normal with (B - A).normalized()
, and the collision depth with (B - A).length()
. This information is typically used to separate shapes, particularly in collision solvers.
This method needs the transformation matrix for this shape (local_xform
), the movement to test on this shape (local_motion
), the shape to check collisions with (with_shape
), the transformation matrix of that shape (shape_xform
), and the movement to test onto the other object (shape_motion
).
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classref-method
void (No return value.)
draw(canvas_item: RID<class_RID>
, color: Color<class_Color>
)
Draws a solid shape onto a CanvasItem<class_CanvasItem>
with the RenderingServer<class_RenderingServer>
API filled with the specified color
. The exact drawing method is specific for each shape and cannot be configured.
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classref-method
Rect2<class_Rect2>
get_rect() const (This method has no side effects. It doesn't modify any of the instance's member variables.)
Returns a Rect2<class_Rect2>
representing the shapes boundary.