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c83718624f
Update links to outdated asset library demos Co-authored-by: Max Hilbrunner <m.hilbrunner@gmail.com>
38 lines
3.7 KiB
XML
38 lines
3.7 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="SpotLight3D" inherits="Light3D" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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A spotlight, such as a reflector spotlight or a lantern.
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</brief_description>
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<description>
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A Spotlight is a type of [Light3D] node that emits lights in a specific direction, in the shape of a cone. The light is attenuated through the distance. This attenuation can be configured by changing the energy, radius and attenuation parameters of [Light3D].
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[b]Note:[/b] When using the Mobile rendering method, only 8 spot lights can be displayed on each mesh resource. Attempting to display more than 8 spot lights on a single mesh resource will result in spot lights flickering in and out as the camera moves. When using the Compatibility rendering method, only 8 spot lights can be displayed on each mesh resource by default, but this can be increased by adjusting [member ProjectSettings.rendering/limits/opengl/max_lights_per_object].
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[b]Note:[/b] When using the Mobile or Compatibility rendering methods, spot lights will only correctly affect meshes whose visibility AABB intersects with the light's AABB. If using a shader to deform the mesh in a way that makes it go outside its AABB, [member GeometryInstance3D.extra_cull_margin] must be increased on the mesh. Otherwise, the light may not be visible on the mesh.
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</description>
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<tutorials>
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<link title="3D lights and shadows">$DOCS_URL/tutorials/3d/lights_and_shadows.html</link>
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<link title="Faking global illumination">$DOCS_URL/tutorials/3d/global_illumination/faking_global_illumination.html</link>
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<link title="Third Person Shooter (TPS) Demo">https://godotengine.org/asset-library/asset/2710</link>
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</tutorials>
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<members>
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<member name="shadow_bias" type="float" setter="set_param" getter="get_param" overrides="Light3D" default="0.03" />
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<member name="shadow_normal_bias" type="float" setter="set_param" getter="get_param" overrides="Light3D" default="1.0" />
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<member name="spot_angle" type="float" setter="set_param" getter="get_param" default="45.0">
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The spotlight's angle in degrees.
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[b]Note:[/b] [member spot_angle] is not affected by [member Node3D.scale] (the light's scale or its parent's scale).
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</member>
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<member name="spot_angle_attenuation" type="float" setter="set_param" getter="get_param" default="1.0">
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The spotlight's [i]angular[/i] attenuation curve. See also [member spot_attenuation].
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</member>
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<member name="spot_attenuation" type="float" setter="set_param" getter="get_param" default="1.0">
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Controls the distance attenuation function for spotlights.
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A value of [code]0.0[/code] smoothly attenuates light at the edge of the range. A value of [code]1.0[/code] approaches a physical lighting model. A value of [code]0.5[/code] approximates linear attenuation.
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[b]Note:[/b] Setting it to [code]1.0[/code] may result in distant objects receiving minimal light, even within range. For example, with a range of [code]4096[/code], an object at [code]100[/code] units receives less than [code]0.1[/code] energy.
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[b]Note:[/b] Using negative or values higher than [code]10.0[/code] may lead to unexpected results.
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</member>
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<member name="spot_range" type="float" setter="set_param" getter="get_param" default="5.0">
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The maximal range that can be reached by the spotlight. Note that the effectively lit area may appear to be smaller depending on the [member spot_attenuation] in use. No matter the [member spot_attenuation] in use, the light will never reach anything outside this range.
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[b]Note:[/b] [member spot_range] is not affected by [member Node3D.scale] (the light's scale or its parent's scale).
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</member>
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</members>
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</class>
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