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Add support for controlling physics nodes' behavior when disabled

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New property disable_mode to set different behaviors:
Remove: remove from physics simulation
MakeStatic: change body mode to static (doesn't affect area and soft body)
KeepActive: do nothing

Extra change:
Handle disable/enable node state with specific notifications, in order
to differentiate global pause from disabled nodes.
This commit is contained in:
PouleyKetchoupp
2021-06-17 18:09:40 -07:00
parent 92f20fd70e
commit 5cbdc7a0ac
16 changed files with 638 additions and 198 deletions
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10
doc/classes/SoftBody3D.xml
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@@ -93,6 +93,9 @@
</member>
<member name="damping_coefficient" type="float" setter="set_damping_coefficient" getter="get_damping_coefficient" default="0.01">
</member>
<member name="disable_mode" type="int" setter="set_disable_mode" getter="get_disable_mode" enum="SoftBody3D.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.
</member>
<member name="drag_coefficient" type="float" setter="set_drag_coefficient" getter="get_drag_coefficient" default="0.0">
</member>
<member name="linear_stiffness" type="float" setter="set_linear_stiffness" getter="get_linear_stiffness" default="0.5">
@@ -113,5 +116,12 @@
</member>
</members>
<constants>
<constant name="DISABLE_MODE_REMOVE" value="0" enum="DisableMode">
When [member Node.process_mode] is set to [constant Node.PROCESS_MODE_DISABLED], remove from the physics simulation to stop all physics interactions with this [SoftBody3D].
Automatically re-added to the physics simulation when the [Node] is processed again.
</constant>
<constant name="DISABLE_MODE_KEEP_ACTIVE" value="1" enum="DisableMode">
When [member Node.process_mode] is set to [constant Node.PROCESS_MODE_DISABLED], do not affect the physics simulation.
</constant>
</constants>
</class>