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<?xml version="1.0" encoding="UTF-8" ?>
<class name="Spatial" inherits="Node" category="Core" version="3.1">
<brief_description>
Most basic 3D game object, parent of all 3D related nodes.
</brief_description>
<description>
Most basic 3D game object, with a 3D [Transform] and visibility settings. All other 3D game objects inherit from Spatial. Use Spatial as a parent node to move, scale, rotate and show/hide children in a 3D project.
Affine operations (rotate, scale, translate) happen in parent's local coordinate system, unless the Spatial object is set as top level. Affine operations in this coordinate system correspond to direct affine operations on the Spatial's transform. The word local below refers to this coordinate system. The coordinate system that is attached to the Spatial object itself is referred to as object-local coordinate system.
</description>
<tutorials>
<link>http://docs.godotengine.org/en/3.0/tutorials/3d/introduction_to_3d.html</link>
</tutorials>
<demos>
</demos>
<methods>
<method name="get_parent_spatial" qualifiers="const">
<return type="Spatial">
</return>
<description>
Returns the parent [code]Spatial[/code], or an empty [Object] if no parent exists or parent is not of type [code]Spatial[/code].
</description>
</method>
<method name="get_world" qualifiers="const">
<return type="World">
</return>
<description>
Returns the current [World] resource this Spatial node is registered to.
</description>
</method>
<method name="global_rotate">
<return type="void">
</return>
<argument index="0" name="axis" type="Vector3">
</argument>
<argument index="1" name="angle" type="float">
</argument>
<description>
Rotates the global (world) transformation around axis, a unit [Vector3], by specified angle in radians. The rotation axis is in global coordinate system.
</description>
</method>
<method name="global_scale">
<return type="void">
</return>
<argument index="0" name="scale" type="Vector3">
</argument>
<description>
</description>
</method>
<method name="global_translate">
<return type="void">
</return>
<argument index="0" name="offset" type="Vector3">
</argument>
<description>
Moves the global (world) transformation by [Vector3] offset. The offset is in global coordinate system.
</description>
</method>
<method name="hide">
<return type="void">
</return>
<description>
Disables rendering of this node. Change Spatial Visible property to false.
</description>
</method>
<method name="is_local_transform_notification_enabled" qualifiers="const">
<return type="bool">
</return>
<description>
Returns whether node notifies about its local transformation changes. Spatial will not propagate this by default.
</description>
</method>
<method name="is_set_as_toplevel" qualifiers="const">
<return type="bool">
</return>
<description>
Returns whether this node is set as Toplevel, that is whether it ignores its parent nodes transformations.
</description>
</method>
<method name="is_transform_notification_enabled" qualifiers="const">
<return type="bool">
</return>
<description>
Returns whether the node notifies about its global and local transformation changes. Spatial will not propagate this by default.
</description>
</method>
<method name="is_visible_in_tree" qualifiers="const">
<return type="bool">
</return>
<description>
Returns whether the node is visible, taking into consideration that its parents visibility.
</description>
</method>
<method name="look_at">
<return type="void">
</return>
<argument index="0" name="target" type="Vector3">
</argument>
<argument index="1" name="up" type="Vector3">
</argument>
<description>
Rotates itself so that the local -Z axis points towards the [code]target[/code] position.
The transform will first be rotated around the given [code]up[/code] vector, and then fully aligned to the target by a further rotation around an axis perpendicular to both the [code]target[/code] and [code]up[/code] vectors.
Operations take place in global space.
</description>
</method>
<method name="look_at_from_position">
<return type="void">
</return>
<argument index="0" name="position" type="Vector3">
</argument>
<argument index="1" name="target" type="Vector3">
</argument>
<argument index="2" name="up" type="Vector3">
</argument>
<description>
Moves the node to the specified [code]position[/code], and then rotates itself to point toward the [code]target[/code] as per [method look_at]. Operations take place in global space.
</description>
</method>
<method name="orthonormalize">
<return type="void">
</return>
<description>
Resets this node's transformations (like scale, skew and taper) preserving its rotation and translation by performing Gram-Schmidt orthonormalization on this node's [Transform3D].
</description>
</method>
<method name="rotate">
<return type="void">
</return>
<argument index="0" name="axis" type="Vector3">
</argument>
<argument index="1" name="angle" type="float">
</argument>
<description>
Rotates the local transformation around axis, a unit [Vector3], by specified angle in radians.
</description>
</method>
<method name="rotate_object_local">
<return type="void">
</return>
<argument index="0" name="axis" type="Vector3">
</argument>
<argument index="1" name="angle" type="float">
</argument>
<description>
Rotates the local transformation around axis, a unit [Vector3], by specified angle in radians. The rotation axis is in object-local coordinate system.
</description>
</method>
<method name="rotate_x">
<return type="void">
</return>
<argument index="0" name="angle" type="float">
</argument>
<description>
Rotates the local transformation around the X axis by angle in radians
</description>
</method>
<method name="rotate_y">
<return type="void">
</return>
<argument index="0" name="angle" type="float">
</argument>
<description>
Rotates the local transformation around the Y axis by angle in radians.
</description>
</method>
<method name="rotate_z">
<return type="void">
</return>
<argument index="0" name="angle" type="float">
</argument>
<description>
Rotates the local transformation around the Z axis by angle in radians.
</description>
</method>
<method name="scale_object_local">
<return type="void">
</return>
<argument index="0" name="scale" type="Vector3">
</argument>
<description>
Scales the local transformation by given 3D scale factors in object-local coordinate system.
</description>
</method>
<method name="set_as_toplevel">
<return type="void">
</return>
<argument index="0" name="enable" type="bool">
</argument>
<description>
Makes the node ignore its parents transformations. Node transformations are only in global space.
</description>
</method>
<method name="set_identity">
<return type="void">
</return>
<description>
Reset all transformations for this node. Set its [Transform3D] to identity matrix.
</description>
</method>
<method name="set_ignore_transform_notification">
<return type="void">
</return>
<argument index="0" name="enabled" type="bool">
</argument>
<description>
Set whether the node ignores notification that its transformation (global or local) changed.
</description>
</method>
<method name="set_notify_local_transform">
<return type="void">
</return>
<argument index="0" name="enable" type="bool">
</argument>
<description>
Set whether the node notifies about its local transformation changes. Spatial will not propagate this by default.
</description>
</method>
<method name="set_notify_transform">
<return type="void">
</return>
<argument index="0" name="enable" type="bool">
</argument>
<description>
Set whether the node notifies about its global and local transformation changes. Spatial will not propagate this by default.
</description>
</method>
<method name="show">
<return type="void">
</return>
<description>
Enables rendering of this node. Change Spatial Visible property to "True".
</description>
</method>
<method name="to_global" qualifiers="const">
<return type="Vector3">
</return>
<argument index="0" name="local_point" type="Vector3">
</argument>
<description>
Transforms [Vector3] "local_point" from this node's local space to world space.
</description>
</method>
<method name="to_local" qualifiers="const">
<return type="Vector3">
</return>
<argument index="0" name="global_point" type="Vector3">
</argument>
<description>
Transforms [Vector3] "global_point" from world space to this node's local space.
</description>
</method>
<method name="translate">
<return type="void">
</return>
<argument index="0" name="offset" type="Vector3">
</argument>
<description>
Changes the node's position by given offset [Vector3].
</description>
</method>
<method name="translate_object_local">
<return type="void">
</return>
<argument index="0" name="offset" type="Vector3">
</argument>
<description>
</description>
</method>
<method name="update_gizmo">
<return type="void">
</return>
<description>
Updates the [SpatialGizmo] of this node.
</description>
</method>
</methods>
<members>
<member name="gizmo" type="SpatialGizmo" setter="set_gizmo" getter="get_gizmo">
The SpatialGizmo for this node. Used for example in [EditorSpatialGizmo] as custom visualization and editing handles in Editor.
</member>
<member name="global_transform" type="Transform" setter="set_global_transform" getter="get_global_transform">
World space (global) [Transform] of this node.
</member>
<member name="rotation" type="Vector3" setter="set_rotation" getter="get_rotation">
Rotation part of the local transformation, specified in terms of YXZ-Euler angles in the format (X-angle, Y-angle, Z-angle), in radians.
Note that in the mathematical sense, rotation is a matrix and not a vector. The three Euler angles, which are the three indepdent parameters of the Euler-angle parametrization of the rotation matrix, are stored in a [Vector3] data structure not because the rotation is a vector, but only because [Vector3] exists as a convenient data-structure to store 3 floating point numbers. Therefore, applying affine operations on the rotation "vector" is not meaningful.
</member>
<member name="rotation_degrees" type="Vector3" setter="set_rotation_degrees" getter="get_rotation_degrees">
Rotation part of the local transformation, specified in terms of YXZ-Euler angles in the format (X-angle, Y-angle, Z-angle), in degrees.
</member>
<member name="scale" type="Vector3" setter="set_scale" getter="get_scale">
Scale part of the local transformation.
</member>
<member name="transform" type="Transform" setter="set_transform" getter="get_transform">
Local space [Transform] of this node, with respect to the parent node.
</member>
<member name="translation" type="Vector3" setter="set_translation" getter="get_translation">
Local translation of this node.
</member>
<member name="visible" type="bool" setter="set_visible" getter="is_visible">
Visibility of this node. Toggles if this node is rendered.
</member>
</members>
<signals>
<signal name="visibility_changed">
<description>
Emitted when node visibility changes.
</description>
</signal>
</signals>
<constants>
<constant name="NOTIFICATION_TRANSFORM_CHANGED" value="29">
Spatial nodes receives this notification when their global transform changes. This means that either the current or a parent node changed its transform.
In order for NOTIFICATION_TRANSFORM_CHANGED to work user first needs to ask for it, with set_notify_transform(true).
</constant>
<constant name="NOTIFICATION_ENTER_WORLD" value="41">
Spatial nodes receives this notification when they are registered to new [World] resource.
</constant>
<constant name="NOTIFICATION_EXIT_WORLD" value="42">
Spatial nodes receives this notification when they are unregistered from current [World] resource.
</constant>
<constant name="NOTIFICATION_VISIBILITY_CHANGED" value="43">
Spatial nodes receives this notification when their visibility changes.
</constant>
</constants>
</class>
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