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One-directional collision layer check for rigid bodies and soft bodies

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Check for each body individually if it collides with the other one or
ignores it.

When a body is being ignored, the other body's mass is considered
infinite when applying impulses to avoid extra overlapping.
This commit is contained in:
PouleyKetchoupp 2021-07-15 12:38:48 -07:00
parent 617327118b
commit 940838c174
13 changed files with 162 additions and 95 deletions
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4
doc/classes/CollisionObject2D.xml
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@ -260,11 +260,11 @@
<members>
<member name="collision_layer" type="int" setter="set_collision_layer" getter="get_collision_layer" default="1">
The physics layers this CollisionObject2D is in. Collision objects can exist in one or more of 32 different layers. See also [member collision_mask].
[b]Note:[/b] A contact is detected if object A is in any of the layers that object B scans, or object B is in any layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
[b]Note:[/b] Object A can detect a contact with object B only if object B is in any of the layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
</member>
<member name="collision_mask" type="int" setter="set_collision_mask" getter="get_collision_mask" default="1">
The physics layers this CollisionObject2D scans. Collision objects can scan one or more of 32 different layers. See also [member collision_layer].
[b]Note:[/b] A contact is detected if object A is in any of the layers that object B scans, or object B is in any layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
[b]Note:[/b] Object A can detect a contact with object B only if object B is in any of the layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
</member>
<member name="disable_mode" type="int" setter="set_disable_mode" getter="get_disable_mode" enum="CollisionObject2D.DisableMode" default="0">
Defines the behavior in physics when [member Node.process_mode] is set to [constant Node.PROCESS_MODE_DISABLED]. See [enum DisableMode] for more details about the different modes.

8
doc/classes/CollisionObject3D.xml
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@ -223,12 +223,12 @@
</methods>
<members>
<member name="collision_layer" type="int" setter="set_collision_layer" getter="get_collision_layer" default="1">
The physics layers this CollisionObject3D is in. Collision objects can exist in one or more of 32 different layers. See also [member collision_mask].
[b]Note:[/b] A contact is detected if object A is in any of the layers that object B scans, or object B is in any layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
The physics layers this CollisionObject3D [b]is in[/b]. Collision objects can exist in one or more of 32 different layers. See also [member collision_mask].
[b]Note:[/b] Object A can detect a contact with object B only if object B is in any of the layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
</member>
<member name="collision_mask" type="int" setter="set_collision_mask" getter="get_collision_mask" default="1">
The physics layers this CollisionObject3D scans. Collision objects can scan one or more of 32 different layers. See also [member collision_layer].
[b]Note:[/b] A contact is detected if object A is in any of the layers that object B scans, or object B is in any layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
The physics layers this CollisionObject3D [b]scans[/b]. Collision objects can scan one or more of 32 different layers. See also [member collision_layer].
[b]Note:[/b] Object A can detect a contact with object B only if object B is in any of the layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
</member>
<member name="disable_mode" type="int" setter="set_disable_mode" getter="get_disable_mode" enum="CollisionObject3D.DisableMode" default="0">
Defines the behavior in physics when [member Node.process_mode] is set to [constant Node.PROCESS_MODE_DISABLED]. See [enum DisableMode] for more details about the different modes.

8
doc/classes/SoftBody3D.xml
View file

@ -84,12 +84,12 @@
</methods>
<members>
<member name="collision_layer" type="int" setter="set_collision_layer" getter="get_collision_layer" default="1">
The physics layers this SoftBody3D is in.
Collidable objects can exist in any of 32 different layers. These layers work like a tagging system, and are not visual. A collidable can use these layers to select with which objects it can collide, using the collision_mask property.
A contact is detected if object A is in any of the layers that object B scans, or object B is in any layer scanned by object A. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
The physics layers this SoftBody3D [b]is in[/b]. Collision objects can exist in one or more of 32 different layers. See also [member collision_mask].
[b]Note:[/b] Object A can detect a contact with object B only if object B is in any of the layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
</member>
<member name="collision_mask" type="int" setter="set_collision_mask" getter="get_collision_mask" default="1">
The physics layers this SoftBody3D scans for collisions. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
The physics layers this SoftBody3D [b]scans[/b]. Collision objects can scan one or more of 32 different layers. See also [member collision_layer].
[b]Note:[/b] Object A can detect a contact with object B only if object B is in any of the layers that object A scans. See [url=https://docs.godotengine.org/en/latest/tutorials/physics/physics_introduction.html#collision-layers-and-masks]Collision layers and masks[/url] in the documentation for more information.
</member>
<member name="damping_coefficient" type="float" setter="set_damping_coefficient" getter="get_damping_coefficient" default="0.01">
</member>