mafiesto4
9a85ae7142
Add new `SourceAngle` property to Directional light that controls PCSS penumbra size
74 lines
3.3 KiB
C++
74 lines
3.3 KiB
C++
// Copyright (c) Wojciech Figat. All rights reserved.
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#pragma once
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#include "Light.h"
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/// <summary>
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/// Directional light emits light from direction in space.
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/// </summary>
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API_CLASS(Attributes="ActorContextMenu(\"New/Lights/Directional Light\"), ActorToolbox(\"Lights\")")
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class FLAXENGINE_API DirectionalLight : public LightWithShadow
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{
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DECLARE_SCENE_OBJECT(DirectionalLight);
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public:
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/// <summary>
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/// Light source angle (in degrees) that defines its angular diameter. Higher values produce softer shadows. The default value is 0.5357 degrees, which is the angular diameter of the Sun as seen from Earth. Set this to 0 to produce hard shadows with sharp edges.
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/// </summary>
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API_FIELD(Attributes = "EditorOrder(41), EditorDisplay(\"Light\"), Limit(0, 4, 0.001f), ValueCategory(Utils.ValueCategory.Angle)")
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float SourceAngle = 0.5332f;
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/// <summary>
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/// The partitioning mode for the shadow cascades.
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/// </summary>
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API_FIELD(Attributes="EditorOrder(64), DefaultValue(PartitionMode.Manual), EditorDisplay(\"Shadow\")")
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PartitionMode PartitionMode = PartitionMode::Manual;
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/// <summary>
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/// The number of cascades used for slicing the range of depth covered by the light during shadow rendering. Values are 1, 2 or 4 cascades; a typical scene uses 4 cascades.
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/// </summary>
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API_FIELD(Attributes="EditorOrder(65), DefaultValue(4), Limit(1, 4), EditorDisplay(\"Shadow\")")
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int32 CascadeCount = 4;
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/// <summary>
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/// Percentage of the shadow distance used by the first cascade.
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/// </summary>
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API_FIELD(Attributes="EditorOrder(66), DefaultValue(0.05f), VisibleIf(nameof(ShowCascade1)), Limit(0, 1, 0.001f), EditorDisplay(\"Shadow\")")
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float Cascade1Spacing = 0.05f;
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/// <summary>
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/// Percentage of the shadow distance used by the second cascade.
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/// </summary>
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API_FIELD(Attributes="EditorOrder(67), DefaultValue(0.15f), VisibleIf(nameof(ShowCascade2)), Limit(0, 1, 0.001f), EditorDisplay(\"Shadow\")")
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float Cascade2Spacing = 0.15f;
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/// <summary>
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/// Percentage of the shadow distance used by the third cascade.
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/// </summary>
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API_FIELD(Attributes="EditorOrder(68), DefaultValue(0.50f), VisibleIf(nameof(ShowCascade3)), Limit(0, 1, 0.001f), EditorDisplay(\"Shadow\")")
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float Cascade3Spacing = 0.50f;
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/// <summary>
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/// Percentage of the shadow distance used by the fourth cascade.
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/// </summary>
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API_FIELD(Attributes="EditorOrder(69), DefaultValue(1.0f), VisibleIf(nameof(ShowCascade4)), Limit(0, 1, 0.001f), EditorDisplay(\"Shadow\")")
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float Cascade4Spacing = 1.0f;
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/// <summary>
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/// Percentage of the cascade distance over which cascades will blend together. This helps to hide the transition between cascades.
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/// </summary>
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API_FIELD(Attributes = "EditorOrder(70), EditorDisplay(\"Shadow\", \"Cascade Blend Distance\"), Limit(0.0f, 1.0f)")
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float CascadeBlendSize = 0.1f;
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public:
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// [LightWithShadow]
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void Draw(RenderContext& renderContext) override;
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void Serialize(SerializeStream& stream, const void* otherObj) override;
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void Deserialize(DeserializeStream& stream, ISerializeModifier* modifier) override;
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bool IntersectsItself(const Ray& ray, Real& distance, Vector3& normal) override;
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protected:
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// [LightWithShadow]
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void OnTransformChanged() override;
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};
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