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Source/Engine/Level/Actors/DirectionalLight.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Light.h"
+
+/// <summary>
+/// Directional light emits light from direction in space.
+/// </summary>
+API_CLASS() class FLAXENGINE_API DirectionalLight : public LightWithShadow
+{
+DECLARE_SCENE_OBJECT(DirectionalLight);
+public:
+
+    /// <summary>
+    /// The number of cascades used for slicing the range of depth covered by the light. Values are 1, 2 or 4 cascades; a typical scene uses 4 cascades.
+    /// </summary>
+    API_FIELD(Attributes="EditorOrder(65), DefaultValue(4), Limit(1, 4), EditorDisplay(\"Shadow\")")
+    int32 CascadeCount = 4;
+
+public:
+
+    // [LightWithShadow]
+    void Draw(RenderContext& renderContext) override;
+    void Serialize(SerializeStream& stream, const void* otherObj) override;
+    void Deserialize(DeserializeStream& stream, ISerializeModifier* modifier) override;
+    bool IntersectsItself(const Ray& ray, float& distance, Vector3& normal) override;
+
+protected:
+
+    // [LightWithShadow]
+    void OnEnable() override;
+    void OnDisable() override;
+    void OnTransformChanged() override;
+};