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<?xml version="1.0" encoding="UTF-8" ?>
<class name="GeometryInstance3D" inherits="VisualInstance3D" version="4.0">
<brief_description>
Base node for geometry-based visual instances.
</brief_description>
<description>
Base node for geometry-based visual instances. Shares some common functionality like visibility and custom materials.
</description>
<tutorials>
</tutorials>
<methods>
<method name="get_shader_instance_uniform" qualifiers="const">
<return type="Variant" />
<argument index="0" name="uniform" type="StringName" />
<description>
</description>
</method>
<method name="set_custom_aabb">
<return type="void" />
<argument index="0" name="aabb" type="AABB" />
<description>
Overrides the bounding box of this node with a custom one. To remove it, set an [AABB] with all fields set to zero.
</description>
</method>
<method name="set_shader_instance_uniform">
<return type="void" />
<argument index="0" name="uniform" type="StringName" />
<argument index="1" name="value" type="Variant" />
<description>
</description>
</method>
</methods>
<members>
<member name="cast_shadow" type="int" setter="set_cast_shadows_setting" getter="get_cast_shadows_setting" enum="GeometryInstance3D.ShadowCastingSetting" default="1">
The selected shadow casting flag. See [enum ShadowCastingSetting] for possible values.
</member>
<member name="extra_cull_margin" type="float" setter="set_extra_cull_margin" getter="get_extra_cull_margin" default="0.0">
The extra distance added to the GeometryInstance3D's bounding box ([AABB]) to increase its cull box.
</member>
<member name="gi_lightmap_scale" type="int" setter="set_lightmap_scale" getter="get_lightmap_scale" enum="GeometryInstance3D.LightmapScale" default="0">
The texel density to use for lightmapping in [LightmapGI]. Greater scale values provide higher resolution in the lightmap, which can result in sharper shadows for lights that have both direct and indirect light baked. However, greater scale values will also increase the space taken by the mesh in the lightmap texture, which increases the memory, storage, and bake time requirements. When using a single mesh at different scales, consider adjusting this value to keep the lightmap texel density consistent across meshes.
</member>
<member name="gi_mode" type="int" setter="set_gi_mode" getter="get_gi_mode" enum="GeometryInstance3D.GIMode" default="0">
The global illumination mode to use for the whole geometry. Use a mode that matches the purpose
</member>
<member name="ignore_occlusion_culling" type="bool" setter="set_ignore_occlusion_culling" getter="is_ignoring_occlusion_culling" default="false">
</member>
<member name="lod_bias" type="float" setter="set_lod_bias" getter="get_lod_bias" default="1.0">
</member>
<member name="material_overlay" type="Material" setter="set_material_overlay" getter="get_material_overlay">
The material overlay for the whole geometry.
If a material is assigned to this property, it will be rendered on top of any other active material for all the surfaces.
</member>
<member name="material_override" type="Material" setter="set_material_override" getter="get_material_override">
The material override for the whole geometry.
If a material is assigned to this property, it will be used instead of any material set in any material slot of the mesh.
</member>
<member name="transparency" type="float" setter="set_transparency" getter="get_transparency" default="0.0">
Transparency applied to the whole geometry. In spatial shaders, transparency is set as the default value of the [code]ALPHA[/code] built-in.
</member>
<member name="visibility_range_begin" type="float" setter="set_visibility_range_begin" getter="get_visibility_range_begin" default="0.0">
Starting distance from which the GeometryInstance3D will be visible, taking [member visibility_range_begin_margin] into account as well. The default value of 0 is used to disable the range check.
</member>
<member name="visibility_range_begin_margin" type="float" setter="set_visibility_range_begin_margin" getter="get_visibility_range_begin_margin" default="0.0">
Margin for the [member visibility_range_begin] threshold. The GeometryInstance3D will only change its visibility state when it goes over or under the [member visibility_range_begin] threshold by this amount.
If [member visibility_range_fade_mode] is [constant VISIBILITY_RANGE_FADE_DISABLED], this acts as an hysteresis distance. If [member visibility_range_fade_mode] is [constant VISIBILITY_RANGE_FADE_SELF] or [constant VISIBILITY_RANGE_FADE_DEPENDENCIES], this acts as a fade transition distance and must be set to a value greater than [code]0.0[/code] for the effect to be noticeable.
</member>
<member name="visibility_range_end" type="float" setter="set_visibility_range_end" getter="get_visibility_range_end" default="0.0">
Distance from which the GeometryInstance3D will be hidden, taking [member visibility_range_end_margin] into account as well. The default value of 0 is used to disable the range check.
</member>
<member name="visibility_range_end_margin" type="float" setter="set_visibility_range_end_margin" getter="get_visibility_range_end_margin" default="0.0">
Margin for the [member visibility_range_end] threshold. The GeometryInstance3D will only change its visibility state when it goes over or under the [member visibility_range_end] threshold by this amount.
If [member visibility_range_fade_mode] is [constant VISIBILITY_RANGE_FADE_DISABLED], this acts as an hysteresis distance. If [member visibility_range_fade_mode] is [constant VISIBILITY_RANGE_FADE_SELF] or [constant VISIBILITY_RANGE_FADE_DEPENDENCIES], this acts as a fade transition distance and must be set to a value greater than [code]0.0[/code] for the effect to be noticeable.
</member>
<member name="visibility_range_fade_mode" type="int" setter="set_visibility_range_fade_mode" getter="get_visibility_range_fade_mode" enum="GeometryInstance3D.VisibilityRangeFadeMode" default="0">
Controls which instances will be faded when approaching the limits of the visibility range. See [enum VisibilityRangeFadeMode] for possible values.
</member>
</members>
<constants>
<constant name="SHADOW_CASTING_SETTING_OFF" value="0" enum="ShadowCastingSetting">
Will not cast any shadows. Use this to improve performance for small geometry that is unlikely to cast noticeable shadows (such as debris).
</constant>
<constant name="SHADOW_CASTING_SETTING_ON" value="1" enum="ShadowCastingSetting">
Will cast shadows from all visible faces in the GeometryInstance3D.
Will take culling into account, so faces not being rendered will not be taken into account when shadow casting.
</constant>
<constant name="SHADOW_CASTING_SETTING_DOUBLE_SIDED" value="2" enum="ShadowCastingSetting">
Will cast shadows from all visible faces in the GeometryInstance3D.
Will not take culling into account, so all faces will be taken into account when shadow casting.
</constant>
<constant name="SHADOW_CASTING_SETTING_SHADOWS_ONLY" value="3" enum="ShadowCastingSetting">
Will only show the shadows casted from this object.
In other words, the actual mesh will not be visible, only the shadows casted from the mesh will be.
</constant>
<constant name="GI_MODE_DISABLED" value="0" enum="GIMode">
Disabled global illumination mode. Use for dynamic objects that do not contribute to global illumination (such as characters). When using [VoxelGI] and SDFGI, the geometry will [i]receive[/i] indirect lighting and reflections but will not be considered in GI baking. When using [LightmapGI], the object will receive indirect lighting using lightmap probes instead of using the lightmap texture.
</constant>
<constant name="GI_MODE_BAKED" value="1" enum="GIMode">
Baked global illumination mode. Use for static objects that contribute to global illumination (such as level geometry). This GI mode is effective when using [VoxelGI], SDFGI and [LightmapGI].
</constant>
<constant name="GI_MODE_DYNAMIC" value="2" enum="GIMode">
Dynamic global illumination mode. Use for dynamic objects that contribute to global illumination. This GI mode is only effective when using [VoxelGI], but it has a higher performance impact than [constant GI_MODE_BAKED].
</constant>
<constant name="LIGHTMAP_SCALE_1X" value="0" enum="LightmapScale">
The standard texel density for lightmapping with [LightmapGI].
</constant>
<constant name="LIGHTMAP_SCALE_2X" value="1" enum="LightmapScale">
Multiplies texel density by 2× for lightmapping with [LightmapGI]. To ensure consistency in texel density, use this when scaling a mesh by a factor between 1.5 and 3.0.
</constant>
<constant name="LIGHTMAP_SCALE_4X" value="2" enum="LightmapScale">
Multiplies texel density by 4× for lightmapping with [LightmapGI]. To ensure consistency in texel density, use this when scaling a mesh by a factor between 3.0 and 6.0.
</constant>
<constant name="LIGHTMAP_SCALE_8X" value="3" enum="LightmapScale">
Multiplies texel density by 8× for lightmapping with [LightmapGI]. To ensure consistency in texel density, use this when scaling a mesh by a factor greater than 6.0.
</constant>
<constant name="LIGHTMAP_SCALE_MAX" value="4" enum="LightmapScale">
Represents the size of the [enum LightmapScale] enum.
</constant>
<constant name="VISIBILITY_RANGE_FADE_DISABLED" value="0" enum="VisibilityRangeFadeMode">
Will not fade itself nor its visibility dependencies, hysteresis will be used instead. This is the fastest approach to manual LOD, but it can result in noticeable LOD transitions depending on how the LOD meshes are authored. See [member visibility_range_begin] and [member Node3D.visibility_parent] for more information.
</constant>
<constant name="VISIBILITY_RANGE_FADE_SELF" value="1" enum="VisibilityRangeFadeMode">
Will fade-out itself when reaching the limits of its own visibility range. This is slower than [constant VISIBILITY_RANGE_FADE_DISABLED], but it can provide smoother transitions. The fading range is determined by [member visibility_range_begin_margin] and [member visibility_range_end_margin].
</constant>
<constant name="VISIBILITY_RANGE_FADE_DEPENDENCIES" value="2" enum="VisibilityRangeFadeMode">
Will fade-in its visibility dependencies (see [member Node3D.visibility_parent]) when reaching the limits of its own visibility range. This is slower than [constant VISIBILITY_RANGE_FADE_DISABLED], but it can provide smoother transitions. The fading range is determined by [member visibility_range_begin_margin] and [member visibility_range_end_margin].
</constant>
</constants>
</class>
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