cfb555a081
* Clean-up of node_3d_editor_plugin.{h,cpp}: removed unused code, fixed some bugs.
* Moved node_3d_editor_gizmos.{h,cpp} to editor/plugins.
* Added support for multiple gizmos per node. This means custom gizmos will no longer override the built-in ones and that multiple gizmos can be used in more complex nodes.
* Added support for handle IDs. When adding handles to a gizmo, an ID can be specified for each one, making it easier to work with gizmos that have a variable number of handles.
* Added support for subgizmos, selectable elements that can be transformed without needing a node of their own. By overriding _subgizmo_intersect_frustum() and/or _subgizmo_intersect_ray() gizmos can define which subgizmos should be selected on a region or click selection. Subgizmo transformations are applied using get/set/commit virtual methods, similar to how handles work.
270 lines
13 KiB
XML
270 lines
13 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="EditorNode3DGizmoPlugin" inherits="Resource" version="4.0">
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<brief_description>
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Used by the editor to define Node3D gizmo types.
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</brief_description>
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<description>
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EditorNode3DGizmoPlugin allows you to define a new type of Gizmo. There are two main ways to do so: extending [EditorNode3DGizmoPlugin] for the simpler gizmos, or creating a new [EditorNode3DGizmo] type. See the tutorial in the documentation for more info.
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</description>
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<tutorials>
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<link title="Spatial gizmo plugins">https://docs.godotengine.org/en/latest/tutorials/plugins/editor/spatial_gizmos.html</link>
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</tutorials>
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<methods>
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<method name="_can_be_hidden" qualifiers="virtual">
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<return type="bool">
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</return>
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<description>
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Override this method to define whether the gizmos handled by this plugin can be hidden or not. Returns [code]true[/code] if not overridden.
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</description>
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</method>
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<method name="_commit_handle" qualifiers="virtual">
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<return type="void">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="id" type="int">
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</argument>
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<argument index="2" name="restore" type="Variant">
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</argument>
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<argument index="3" name="cancel" type="bool" default="false">
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</argument>
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<description>
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Override this method to commit a handle being edited (handles must have been previously added by [method EditorNode3DGizmo.add_handles] during [method _redraw]). This usually means creating an [UndoRedo] action for the change, using the current handle value as "do" and the [code]restore[/code] argument as "undo".
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If the [code]cancel[/code] argument is [code]true[/code], the [code]restore[/code] value should be directly set, without any [UndoRedo] action. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="_commit_subgizmos" qualifiers="virtual">
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<return type="void">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="ids" type="PackedInt32Array">
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</argument>
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<argument index="2" name="restore" type="Array">
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</argument>
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<argument index="3" name="cancel" type="bool" default="false">
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</argument>
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<description>
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Override this method to commit a group of subgizmos being edited (see [method _subgizmos_intersect_ray] and [method _subgizmos_intersect_frustum]). This usually means creating an [UndoRedo] action for the change, using the current transforms as "do" and the [code]restore[/code] transforms as "undo".
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If the [code]cancel[/code] argument is [code]true[/code], the [code]restore[/code] transforms should be directly set, without any [UndoRedo] action. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="_create_gizmo" qualifiers="virtual">
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<return type="EditorNode3DGizmo">
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</return>
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<argument index="0" name="spatial" type="Node3D">
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</argument>
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<description>
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Override this method to return a custom [EditorNode3DGizmo] for the spatial nodes of your choice, return [code]null[/code] for the rest of nodes. See also [method _has_gizmo].
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</description>
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</method>
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<method name="_get_gizmo_name" qualifiers="virtual">
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<return type="String">
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</return>
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<description>
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Override this method to provide the name that will appear in the gizmo visibility menu.
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</description>
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</method>
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<method name="_get_handle_name" qualifiers="virtual">
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<return type="String">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="id" type="int">
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</argument>
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<description>
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Override this method to provide gizmo's handle names. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="_get_handle_value" qualifiers="virtual">
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<return type="Variant">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="id" type="int">
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</argument>
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<description>
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Override this method to return the current value of a handle. This value will be requested at the start of an edit and used as the [code]restore[/code] argument in [method _commit_handle]. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="_get_priority" qualifiers="virtual">
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<return type="int">
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</return>
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<description>
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Override this method to set the gizmo's priority. Gizmos with higher priority will have precedence when processing inputs like handles or subgizmos selection.
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All built-in editor gizmos return a priority of [code]-1[/code]. If not overridden, this method will return [code]0[/code], which means custom gizmos will automatically get higher priority than built-in gizmos.
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</description>
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</method>
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<method name="_get_subgizmo_transform" qualifiers="virtual">
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<return type="Transform3D">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="id" type="int">
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</argument>
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<description>
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Override this method to return the current transform of a subgizmo. This transform will be requested at the start of an edit and used in the [code]restore[/code] argument in [method _commit_subgizmos]. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="_has_gizmo" qualifiers="virtual">
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<return type="bool">
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</return>
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<argument index="0" name="spatial" type="Node3D">
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</argument>
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<description>
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Override this method to define which Node3D nodes have a gizmo from this plugin. Whenever a [Node3D] node is added to a scene this method is called, if it returns [code]true[/code] the node gets a generic [EditorNode3DGizmo] assigned and is added to this plugin's list of active gizmos.
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</description>
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</method>
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<method name="_is_handle_highlighted" qualifiers="virtual">
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<return type="bool">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="id" type="int">
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</argument>
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<description>
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Override this method to return [code]true[/code] whenever to given handle should be highlighted in the editor. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="_is_selectable_when_hidden" qualifiers="virtual">
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<return type="bool">
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</return>
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<description>
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Override this method to define whether Node3D with this gizmo should be selectable even when the gizmo is hidden.
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</description>
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</method>
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<method name="_redraw" qualifiers="virtual">
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<return type="void">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<description>
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Override this method to add all the gizmo elements whenever a gizmo update is requested. It's common to call [method EditorNode3DGizmo.clear] at the beginning of this method and then add visual elements depending on the node's properties.
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</description>
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</method>
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<method name="_set_handle" qualifiers="virtual">
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<return type="void">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="id" type="int">
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</argument>
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<argument index="2" name="camera" type="Camera3D">
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</argument>
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<argument index="3" name="point" type="Vector2">
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</argument>
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<description>
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Override this method to update the node's properties when the user drags a gizmo handle (previously added with [method EditorNode3DGizmo.add_handles]). The provided [code]point[/code] is the mouse position in screen coordinates and the [code]camera[/code] can be used to convert it to raycasts. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="_set_subgizmo_transform" qualifiers="virtual">
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<return type="void">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="id" type="int">
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</argument>
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<argument index="2" name="transform" type="Transform3D">
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</argument>
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<description>
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Override this method to update the node properties during subgizmo editing (see [method _subgizmos_intersect_ray] and [method _subgizmos_intersect_frustum]). The [code]transform[/code] is given in the Node3D's local coordinate system. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="_subgizmos_intersect_frustum" qualifiers="virtual">
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<return type="PackedInt32Array">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="camera" type="Camera3D">
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</argument>
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<argument index="2" name="frustum" type="Array">
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</argument>
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<description>
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Override this method to allow selecting subgizmos using mouse drag box selection. Given a [code]camera[/code] and a [code]frustum[/code], this method should return which subgizmos are contained within the frustum. The [code]frustum[/code] argument consists of an [code]Array[/code] with all the [code]Plane[/code]s that make up the selection frustum. The returned value should contain a list of unique subgizmo identifiers, these identifiers can have any non-negative value and will be used in other virtual methods like [method _get_subgizmo_transform] or [method _commit_subgizmos]. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="_subgizmos_intersect_ray" qualifiers="virtual">
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<return type="int">
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</return>
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<argument index="0" name="gizmo" type="EditorNode3DGizmo">
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</argument>
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<argument index="1" name="camera" type="Camera3D">
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</argument>
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<argument index="2" name="point" type="Vector2">
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</argument>
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<description>
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Override this method to allow selecting subgizmos using mouse clicks. Given a [code]camera[/code] and a [code]point[/code] in screen coordinates, this method should return which subgizmo should be selected. The returned value should be a unique subgizmo identifier, which can have any non-negative value and will be used in other virtual methods like [method _get_subgizmo_transform] or [method _commit_subgizmos]. Called for this plugin's active gizmos.
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</description>
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</method>
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<method name="add_material">
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<return type="void">
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</return>
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<argument index="0" name="name" type="String">
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</argument>
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<argument index="1" name="material" type="StandardMaterial3D">
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</argument>
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<description>
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Adds a new material to the internal material list for the plugin. It can then be accessed with [method get_material]. Should not be overridden.
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</description>
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</method>
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<method name="create_handle_material">
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<return type="void">
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</return>
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<argument index="0" name="name" type="String">
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</argument>
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<argument index="1" name="billboard" type="bool" default="false">
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</argument>
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<argument index="2" name="texture" type="Texture2D" default="null">
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</argument>
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<description>
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Creates a handle material with its variants (selected and/or editable) and adds them to the internal material list. They can then be accessed with [method get_material] and used in [method EditorNode3DGizmo.add_handles]. Should not be overridden.
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You can optionally provide a texture to use instead of the default icon.
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</description>
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</method>
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<method name="create_icon_material">
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<return type="void">
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</return>
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<argument index="0" name="name" type="String">
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</argument>
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<argument index="1" name="texture" type="Texture2D">
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</argument>
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<argument index="2" name="on_top" type="bool" default="false">
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</argument>
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<argument index="3" name="color" type="Color" default="Color(1, 1, 1, 1)">
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</argument>
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<description>
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Creates an icon material with its variants (selected and/or editable) and adds them to the internal material list. They can then be accessed with [method get_material] and used in [method EditorNode3DGizmo.add_unscaled_billboard]. Should not be overridden.
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</description>
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</method>
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<method name="create_material">
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<return type="void">
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</return>
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<argument index="0" name="name" type="String">
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</argument>
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<argument index="1" name="color" type="Color">
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</argument>
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<argument index="2" name="billboard" type="bool" default="false">
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</argument>
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<argument index="3" name="on_top" type="bool" default="false">
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</argument>
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<argument index="4" name="use_vertex_color" type="bool" default="false">
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</argument>
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<description>
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Creates an unshaded material with its variants (selected and/or editable) and adds them to the internal material list. They can then be accessed with [method get_material] and used in [method EditorNode3DGizmo.add_mesh] and [method EditorNode3DGizmo.add_lines]. Should not be overridden.
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</description>
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</method>
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<method name="get_material">
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<return type="StandardMaterial3D">
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</return>
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<argument index="0" name="name" type="String">
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</argument>
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<argument index="1" name="gizmo" type="EditorNode3DGizmo" default="null">
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</argument>
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<description>
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Gets material from the internal list of materials. If an [EditorNode3DGizmo] is provided, it will try to get the corresponding variant (selected and/or editable).
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</description>
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</method>
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</methods>
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<constants>
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</constants>
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</class>
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