U3D
Open-source, cross-platform 2D and 3D game engine built in C++
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Urho3D::Light Class Reference

Light component. More...

#include </var/dev/u3d/stable/Source/Urho3D/Graphics/Light.h>

Inheritance diagram for Urho3D::Light:
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Collaboration diagram for Urho3D::Light:
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Public Member Functions

 Light (Context *context)
 Construct.
 
 ~Light () override
 Destruct.
 
void ProcessRayQuery (const RayOctreeQuery &query, PODVector< RayQueryResult > &results) override
 Process octree raycast. May be called from a worker thread. More...
 
void UpdateBatches (const FrameInfo &frame) override
 Calculate distance and prepare batches for rendering. May be called from worker thread(s), possibly re-entrantly. More...
 
void DrawDebugGeometry (DebugRenderer *debug, bool depthTest) override
 Visualize the component as debug geometry. More...
 
void SetLightType (LightType type)
 
void SetPerVertex (bool enable)
 
void SetColor (const Color &color)
 
void SetTemperature (float temperature)
 
void SetRadius (float radius)
 
void SetLength (float length)
 
void SetUsePhysicalValues (bool enable)
 
void SetSpecularIntensity (float intensity)
 
void SetBrightness (float brightness)
 
void SetRange (float range)
 
void SetFov (float fov)
 
void SetAspectRatio (float aspectRatio)
 
void SetFadeDistance (float distance)
 
void SetShadowFadeDistance (float distance)
 
void SetShadowBias (const BiasParameters &parameters)
 
void SetShadowCascade (const CascadeParameters &parameters)
 
void SetShadowFocus (const FocusParameters &parameters)
 
void SetShadowIntensity (float intensity)
 
void SetShadowResolution (float resolution)
 
void SetShadowNearFarRatio (float nearFarRatio)
 
void SetShadowMaxExtrusion (float extrusion)
 
void SetRampTexture (Texture *texture)
 
void SetShapeTexture (Texture *texture)
 
LightType GetLightType () const
 
bool GetPerVertex () const
 
const ColorGetColor () const
 
float GetTemperature () const
 
float GetRadius () const
 
float GetLength () const
 
bool GetUsePhysicalValues () const
 
Color GetColorFromTemperature () const
 
float GetSpecularIntensity () const
 
float GetBrightness () const
 
Color GetEffectiveColor () const
 
float GetEffectiveSpecularIntensity () const
 
float GetRange () const
 
float GetFov () const
 
float GetAspectRatio () const
 
float GetFadeDistance () const
 
float GetShadowFadeDistance () const
 
const BiasParametersGetShadowBias () const
 
const CascadeParametersGetShadowCascade () const
 
const FocusParametersGetShadowFocus () const
 
float GetShadowIntensity () const
 
float GetShadowResolution () const
 
float GetShadowNearFarRatio () const
 
float GetShadowMaxExtrusion () const
 
TextureGetRampTexture () const
 
TextureGetShapeTexture () const
 
Frustum GetFrustum () const
 
Frustum GetViewSpaceFrustum (const Matrix3x4 &view) const
 Return spotlight frustum in the specified view space.
 
int GetNumShadowSplits () const
 
bool IsNegative () const
 
void SetIntensitySortValue (float distance)
 Set sort value based on intensity and view distance.
 
void SetIntensitySortValue (const BoundingBox &box)
 Set sort value based on overall intensity over a bounding box.
 
void SetLightQueue (LightBatchQueue *queue)
 Set light queue used for this light. Called by View.
 
const Matrix3x4GetVolumeTransform (Camera *camera)
 Return light volume model transform.
 
LightBatchQueueGetLightQueue () const
 Return light queue. Called by View.
 
float GetIntensityDivisor (float attenuation=1.0f) const
 Return a divisor value based on intensity for calculating the sort value.
 
void SetRampTextureAttr (const ResourceRef &value)
 Set ramp texture attribute.
 
void SetShapeTextureAttr (const ResourceRef &value)
 Set shape texture attribute.
 
ResourceRef GetRampTextureAttr () const
 Return ramp texture attribute.
 
ResourceRef GetShapeTextureAttr () const
 Return shape texture attribute.
 
- Public Member Functions inherited from Urho3D::Drawable
 Drawable (Context *context, unsigned char drawableFlags)
 Construct.
 
 ~Drawable () override
 Destruct.
 
void OnSetEnabled () override
 Handle enabled/disabled state change. More...
 
virtual void ProcessRayQuery (const RayOctreeQuery &query, PODVector< RayQueryResult > &results)
 Process octree raycast. May be called from a worker thread. More...
 
virtual void Update (const FrameInfo &frame)
 Update before octree reinsertion. Is called from a worker thread. More...
 
virtual void UpdateBatches (const FrameInfo &frame)
 Calculate distance and prepare batches for rendering. May be called from worker thread(s), possibly re-entrantly. More...
 
virtual void UpdateGeometry (const FrameInfo &frame)
 Prepare geometry for rendering. More...
 
virtual UpdateGeometryType GetUpdateGeometryType ()
 Return whether a geometry update is necessary, and if it can happen in a worker thread. More...
 
virtual GeometryGetLodGeometry (unsigned batchIndex, unsigned level)
 Return the geometry for a specific LOD level. More...
 
virtual unsigned GetNumOccluderTriangles ()
 Return number of occlusion geometry triangles. More...
 
virtual bool DrawOcclusion (OcclusionBuffer *buffer)
 Draw to occlusion buffer. Return true if did not run out of triangles. More...
 
void DrawDebugGeometry (DebugRenderer *debug, bool depthTest) override
 Visualize the component as debug geometry. More...
 
void SetDrawDistance (float distance)
 
void SetShadowDistance (float distance)
 
void SetLodBias (float bias)
 
void SetViewMask (unsigned mask)
 
void SetLightMask (unsigned mask)
 
void SetShadowMask (unsigned mask)
 
void SetZoneMask (unsigned mask)
 
void SetMaxLights (unsigned num)
 
void SetCastShadows (bool enable)
 
void SetOccluder (bool enable)
 
void SetOccludee (bool enable)
 
void MarkForUpdate ()
 Mark for update and octree reinsertion. Update is automatically queued when the drawable's scene node moves or changes scale.
 
const BoundingBoxGetBoundingBox () const
 
const BoundingBoxGetWorldBoundingBox ()
 
unsigned char GetDrawableFlags () const
 Return drawable flags.
 
float GetDrawDistance () const
 
float GetShadowDistance () const
 
float GetLodBias () const
 
unsigned GetViewMask () const
 
unsigned GetLightMask () const
 
unsigned GetShadowMask () const
 
unsigned GetZoneMask () const
 
unsigned GetMaxLights () const
 
bool GetCastShadows () const
 
bool IsOccluder () const
 
bool IsOccludee () const
 
bool IsInView () const
 
bool IsInView (Camera *camera) const
 Return whether is in view of a specific camera this frame. Pass in a null camera to allow any camera, including shadow map cameras.
 
const Vector< SourceBatch > & GetBatches () const
 Return draw call source data.
 
void SetZone (Zone *zone, bool temporary=false)
 Set new zone. Zone assignment may optionally be temporary, meaning it needs to be re-evaluated on the next frame.
 
void SetSortValue (float value)
 Set sorting value.
 
void SetMinMaxZ (float minZ, float maxZ)
 Set view-space depth bounds.
 
void MarkInView (const FrameInfo &frame)
 Mark in view. Also clear the light list.
 
void MarkInView (unsigned frameNumber)
 Mark in view without specifying a camera. Used for shadow casters.
 
void LimitLights ()
 Sort and limit per-pixel lights to maximum allowed. Convert extra lights into vertex lights.
 
void LimitVertexLights (bool removeConvertedLights)
 Sort and limit per-vertex lights to maximum allowed.
 
void SetBasePass (unsigned batchIndex)
 Set base pass flag for a batch.
 
OctantGetOctant () const
 Return octree octant.
 
ZoneGetZone () const
 
bool IsZoneDirty () const
 Return whether current zone is inconclusive or dirty due to the drawable moving.
 
float GetDistance () const
 Return distance from camera.
 
float GetLodDistance () const
 Return LOD scaled distance from camera.
 
float GetSortValue () const
 Return sorting value.
 
bool IsInView (const FrameInfo &frame, bool anyCamera=false) const
 Return whether is in view on the current frame. Called by View.
 
bool HasBasePass (unsigned batchIndex) const
 Return whether has a base pass.
 
const PODVector< Light * > & GetLights () const
 Return per-pixel lights.
 
const PODVector< Light * > & GetVertexLights () const
 Return per-vertex lights.
 
LightGetFirstLight () const
 Return the first added per-pixel light.
 
float GetMinZ () const
 Return the minimum view-space depth.
 
float GetMaxZ () const
 Return the maximum view-space depth.
 
void AddLight (Light *light)
 Add a per-pixel light affecting the object this frame.
 
void AddVertexLight (Light *light)
 Add a per-vertex light affecting the object this frame.
 
- Public Member Functions inherited from Urho3D::Component
 Component (Context *context)
 Construct.
 
 ~Component () override
 Destruct.
 
virtual void OnSetEnabled ()
 Handle enabled/disabled state change. More...
 
bool Save (Serializer &dest) const override
 Save as binary data. Return true if successful. More...
 
bool SaveXML (XMLElement &dest) const override
 Save as XML data. Return true if successful. More...
 
bool SaveJSON (JSONValue &dest) const override
 Save as JSON data. Return true if successful. More...
 
void MarkNetworkUpdate () override
 Mark for attribute check on the next network update. More...
 
virtual void GetDependencyNodes (PODVector< Node * > &dest)
 Return the depended on nodes to order network updates. More...
 
virtual void DrawDebugGeometry (DebugRenderer *debug, bool depthTest)
 Visualize the component as debug geometry. More...
 
void SetEnabled (bool enable)
 
void Remove ()
 Remove from the scene node. If no other shared pointer references exist, causes immediate deletion.
 
unsigned GetID () const
 
bool IsReplicated () const
 
NodeGetNode () const
 
SceneGetScene () const
 Return the scene the node belongs to.
 
bool IsEnabled () const
 
bool IsEnabledEffective () const
 
ComponentGetComponent (StringHash type) const
 Return component in the same scene node by type. If there are several, returns the first.
 
void GetComponents (PODVector< Component * > &dest, StringHash type) const
 Return components in the same scene node by type.
 
template<class T >
T * GetComponent () const
 Template version of returning a component in the same scene node by type.
 
template<class T >
void GetComponents (PODVector< T * > &dest) const
 Template version of returning components in the same scene node by type.
 
void AddReplicationState (ComponentReplicationState *state)
 Add a replication state that is tracking this component.
 
void PrepareNetworkUpdate ()
 Prepare network update by comparing attributes and marking replication states dirty as necessary.
 
void CleanupConnection (Connection *connection)
 
- Public Member Functions inherited from Urho3D::Animatable
 Animatable (Context *context)
 Construct.
 
 ~Animatable () override
 Destruct.
 
bool LoadXML (const XMLElement &source) override
 Load from XML data. Return true if successful. More...
 
bool SaveXML (XMLElement &dest) const override
 Save as XML data. Return true if successful. More...
 
bool LoadJSON (const JSONValue &source) override
 Load from JSON data. Return true if successful. More...
 
bool SaveJSON (JSONValue &dest) const override
 Save as JSON data. Return true if successful. More...
 
void SetAnimationEnabled (bool enable)
 
void SetAnimationTime (float time)
 Set time position of all attribute animations or an object animation manually. Automatic update should be disabled in this case.
 
void SetObjectAnimation (ObjectAnimation *objectAnimation)
 
void SetAttributeAnimation (const String &name, ValueAnimation *attributeAnimation, WrapMode wrapMode=WM_LOOP, float speed=1.0f)
 Set attribute animation.
 
void SetAttributeAnimationWrapMode (const String &name, WrapMode wrapMode)
 Set attribute animation wrap mode.
 
void SetAttributeAnimationSpeed (const String &name, float speed)
 Set attribute animation speed.
 
void SetAttributeAnimationTime (const String &name, float time)
 Set attribute animation time position manually. Automatic update should be disabled in this case.
 
void RemoveObjectAnimation ()
 Remove object animation. Same as calling SetObjectAnimation with a null pointer.
 
void RemoveAttributeAnimation (const String &name)
 Remove attribute animation. Same as calling SetAttributeAnimation with a null pointer.
 
bool GetAnimationEnabled () const
 
ObjectAnimationGetObjectAnimation () const
 
ValueAnimationGetAttributeAnimation (const String &name) const
 Return attribute animation.
 
WrapMode GetAttributeAnimationWrapMode (const String &name) const
 Return attribute animation wrap mode.
 
float GetAttributeAnimationSpeed (const String &name) const
 Return attribute animation speed.
 
float GetAttributeAnimationTime (const String &name) const
 Return attribute animation time position.
 
void SetObjectAnimationAttr (const ResourceRef &value)
 Set object animation attribute.
 
ResourceRef GetObjectAnimationAttr () const
 Return object animation attribute.
 
- Public Member Functions inherited from Urho3D::Serializable
 Serializable (Context *context)
 Construct.
 
 ~Serializable () override
 Destruct.
 
virtual void OnSetAttribute (const AttributeInfo &attr, const Variant &src)
 Handle attribute write access. Default implementation writes to the variable at offset, or invokes the set accessor. More...
 
virtual void OnGetAttribute (const AttributeInfo &attr, Variant &dest) const
 Handle attribute read access. Default implementation reads the variable at offset, or invokes the get accessor. More...
 
virtual const Vector< AttributeInfo > * GetAttributes () const
 Return attribute descriptions, or null if none defined. More...
 
virtual const Vector< AttributeInfo > * GetNetworkAttributes () const
 Return network replication attribute descriptions, or null if none defined.
 
virtual bool Load (Deserializer &source)
 Load from binary data. Return true if successful. More...
 
virtual bool Save (Serializer &dest) const
 Save as binary data. Return true if successful. More...
 
virtual bool LoadXML (const XMLElement &source)
 Load from XML data. Return true if successful. More...
 
virtual bool SaveXML (XMLElement &dest) const
 Save as XML data. Return true if successful. More...
 
virtual bool LoadJSON (const JSONValue &source)
 Load from JSON data. Return true if successful. More...
 
virtual bool SaveJSON (JSONValue &dest) const
 Save as JSON data. Return true if successful. More...
 
virtual void ApplyAttributes ()
 Apply attribute changes that can not be applied immediately. Called after scene load or a network update. More...
 
virtual bool SaveDefaultAttributes () const
 Return whether should save default-valued attributes into XML. Default false. More...
 
virtual void MarkNetworkUpdate ()
 Mark for attribute check on the next network update. More...
 
bool SetAttribute (unsigned index, const Variant &value)
 
bool SetAttribute (const String &name, const Variant &value)
 Set attribute by name. Return true if successfully set.
 
void SetInstanceDefault (bool enable)
 Set instance-level default flag.
 
void ResetToDefault ()
 Reset all editable attributes to their default values.
 
void RemoveInstanceDefault ()
 Remove instance's default values if they are set previously.
 
void SetTemporary (bool enable)
 
void SetInterceptNetworkUpdate (const String &attributeName, bool enable)
 Enable interception of an attribute from network updates. Intercepted attributes are sent as events instead of applying directly. This can be used to implement client side prediction.
 
void AllocateNetworkState ()
 Allocate network attribute state.
 
void WriteInitialDeltaUpdate (Serializer &dest, unsigned char timeStamp)
 Write initial delta network update.
 
void WriteDeltaUpdate (Serializer &dest, const DirtyBits &attributeBits, unsigned char timeStamp)
 Write a delta network update according to dirty attribute bits.
 
void WriteLatestDataUpdate (Serializer &dest, unsigned char timeStamp)
 Write a latest data network update.
 
bool ReadDeltaUpdate (Deserializer &source)
 Read and apply a network delta update. Return true if attributes were changed.
 
bool ReadLatestDataUpdate (Deserializer &source)
 Read and apply a network latest data update. Return true if attributes were changed.
 
Variant GetAttribute (unsigned index) const
 
Variant GetAttribute (const String &name) const
 Return attribute value by name. Return empty if not found.
 
Variant GetAttributeDefault (unsigned index) const
 
Variant GetAttributeDefault (const String &name) const
 Return attribute default value by name. Return empty if not found.
 
unsigned GetNumAttributes () const
 
unsigned GetNumNetworkAttributes () const
 Return number of network replication attributes.
 
bool IsTemporary () const
 
bool GetInterceptNetworkUpdate (const String &attributeName) const
 Return whether an attribute's network updates are being intercepted.
 
NetworkStateGetNetworkState () const
 Return the network attribute state, if allocated.
 
- Public Member Functions inherited from Urho3D::Object
 Object (Context *context)
 Construct.
 
 ~Object () override
 Destruct. Clean up self from event sender & receiver structures.
 
virtual StringHash GetType () const =0
 
virtual const StringGetTypeName () const =0
 
virtual const TypeInfoGetTypeInfo () const =0
 Return type info.
 
virtual void OnEvent (Object *sender, StringHash eventType, VariantMap &eventData)
 Handle event.
 
bool IsInstanceOf (StringHash type) const
 Check current instance is type of specified type.
 
bool IsInstanceOf (const TypeInfo *typeInfo) const
 Check current instance is type of specified type.
 
template<typename T >
bool IsInstanceOf () const
 Check current instance is type of specified class.
 
template<typename T >
T * Cast ()
 Cast the object to specified most derived class.
 
template<typename T >
const T * Cast () const
 Cast the object to specified most derived class.
 
void SubscribeToEvent (StringHash eventType, EventHandler *handler)
 Subscribe to an event that can be sent by any sender.
 
void SubscribeToEvent (Object *sender, StringHash eventType, EventHandler *handler)
 Subscribe to a specific sender's event.
 
void SubscribeToEvent (StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr)
 Subscribe to an event that can be sent by any sender.
 
void SubscribeToEvent (Object *sender, StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr)
 Subscribe to a specific sender's event.
 
void UnsubscribeFromEvent (StringHash eventType)
 Unsubscribe from an event.
 
void UnsubscribeFromEvent (Object *sender, StringHash eventType)
 Unsubscribe from a specific sender's event.
 
void UnsubscribeFromEvents (Object *sender)
 Unsubscribe from a specific sender's events.
 
void UnsubscribeFromAllEvents ()
 Unsubscribe from all events.
 
void UnsubscribeFromAllEventsExcept (const PODVector< StringHash > &exceptions, bool onlyUserData)
 Unsubscribe from all events except those listed, and optionally only those with userdata (script registered events).
 
void SendEvent (StringHash eventType)
 Send event to all subscribers.
 
void SendEvent (StringHash eventType, VariantMap &eventData)
 Send event with parameters to all subscribers.
 
VariantMapGetEventDataMap () const
 Return a preallocated map for event data. Used for optimization to avoid constant re-allocation of event data maps.
 
template<typename... Args>
void SendEvent (StringHash eventType, Args... args)
 Send event with variadic parameter pairs to all subscribers. The parameter pairs is a list of paramID and paramValue separated by comma, one pair after another.
 
ContextGetContext () const
 Return execution context.
 
const VariantGetGlobalVar (StringHash key) const
 
const VariantMapGetGlobalVars () const
 
void SetGlobalVar (StringHash key, const Variant &value)
 
ObjectGetSubsystem (StringHash type) const
 Return subsystem by type.
 
ObjectGetEventSender () const
 Return active event sender. Null outside event handling.
 
EventHandlerGetEventHandler () const
 Return active event handler. Null outside event handling.
 
bool HasSubscribedToEvent (StringHash eventType) const
 Return whether has subscribed to an event without specific sender.
 
bool HasSubscribedToEvent (Object *sender, StringHash eventType) const
 Return whether has subscribed to a specific sender's event.
 
bool HasEventHandlers () const
 Return whether has subscribed to any event.
 
template<class T >
T * GetSubsystem () const
 Template version of returning a subsystem.
 
const StringGetCategory () const
 
void SetBlockEvents (bool block)
 Block object from sending and receiving events.
 
bool GetBlockEvents () const
 Return sending and receiving events blocking status.
 
- Public Member Functions inherited from Urho3D::RefCounted
 RefCounted ()
 Construct. Allocate the reference count structure and set an initial self weak reference.
 
virtual ~RefCounted ()
 Destruct. Mark as expired and also delete the reference count structure if no outside weak references exist.
 
 RefCounted (const RefCounted &rhs)=delete
 Prevent copy construction.
 
RefCountedoperator= (const RefCounted &rhs)=delete
 Prevent assignment.
 
void AddRef ()
 
void ReleaseRef ()
 
int Refs () const
 
int WeakRefs () const
 
RefCountRefCountPtr ()
 Return pointer to the reference count structure.
 

Static Public Member Functions

static void RegisterObject (Context *context)
 
static Matrix3x4 GetFullscreenQuadTransform (Camera *camera)
 Return a transform for deferred fullscreen quad (directional light) rendering.
 
- Static Public Member Functions inherited from Urho3D::Drawable
static void RegisterObject (Context *context)
 
- Static Public Member Functions inherited from Urho3D::Animatable
static void RegisterObject (Context *context)
 
- Static Public Member Functions inherited from Urho3D::Object
static const TypeInfoGetTypeInfoStatic ()
 Return type info static.
 

Protected Member Functions

void OnWorldBoundingBoxUpdate () override
 Recalculate the world-space bounding box. More...
 
- Protected Member Functions inherited from Urho3D::Drawable
void OnNodeSet (Node *node) override
 Handle node being assigned. More...
 
void OnSceneSet (Scene *scene) override
 Handle scene being assigned. More...
 
void OnMarkedDirty (Node *node) override
 Handle node transform being dirtied. More...
 
virtual void OnWorldBoundingBoxUpdate ()=0
 Recalculate the world-space bounding box. More...
 
virtual void OnRemoveFromOctree ()
 Handle removal from octree. More...
 
void AddToOctree ()
 Add to octree.
 
void RemoveFromOctree ()
 Remove from octree.
 
void SetOctant (Octant *octant)
 Move into another octree octant.
 
- Protected Member Functions inherited from Urho3D::Component
void OnAttributeAnimationAdded () override
 Handle attribute animation added. More...
 
void OnAttributeAnimationRemoved () override
 Handle attribute animation removed. More...
 
virtual void OnNodeSet (Node *node)
 Handle scene node being assigned at creation. More...
 
virtual void OnSceneSet (Scene *scene)
 Handle scene being assigned. This may happen several times during the component's lifetime. Scene-wide subsystems and events are subscribed to here. More...
 
virtual void OnMarkedDirty (Node *node)
 Handle scene node transform dirtied. More...
 
virtual void OnNodeSetEnabled (Node *node)
 Handle scene node enabled status changing. More...
 
void SetID (unsigned id)
 
void SetNode (Node *node)
 Set scene node. Called by Node when creating the component.
 
void HandleAttributeAnimationUpdate (StringHash eventType, VariantMap &eventData)
 Handle scene attribute animation update event.
 
ComponentGetFixedUpdateSource ()
 Return a component from the scene root that sends out fixed update events (either PhysicsWorld or PhysicsWorld2D). Return null if neither exists.
 
void DoAutoRemove (AutoRemoveMode mode)
 Perform autoremove. Called by subclasses. Caller should keep a weak pointer to itself to check whether was actually removed, and return immediately without further member operations in that case.
 
- Protected Member Functions inherited from Urho3D::Animatable
virtual void OnAttributeAnimationAdded ()=0
 Handle attribute animation added. More...
 
virtual void OnAttributeAnimationRemoved ()=0
 Handle attribute animation removed. More...
 
virtual AnimatableFindAttributeAnimationTarget (const String &name, String &outName)
 Find target of an attribute animation from object hierarchy by name. More...
 
void SetObjectAttributeAnimation (const String &name, ValueAnimation *attributeAnimation, WrapMode wrapMode, float speed)
 Set object attribute animation internal.
 
void OnObjectAnimationAdded (ObjectAnimation *objectAnimation)
 Handle object animation added.
 
void OnObjectAnimationRemoved (ObjectAnimation *objectAnimation)
 Handle object animation removed.
 
void UpdateAttributeAnimations (float timeStep)
 Update attribute animations.
 
bool IsAnimatedNetworkAttribute (const AttributeInfo &attrInfo) const
 Is animated network attribute.
 
AttributeAnimationInfoGetAttributeAnimationInfo (const String &name) const
 Return attribute animation info.
 
void HandleAttributeAnimationAdded (StringHash eventType, VariantMap &eventData)
 Handle attribute animation added.
 
void HandleAttributeAnimationRemoved (StringHash eventType, VariantMap &eventData)
 Handle attribute animation removed.
 

Private Member Functions

 URHO3D_OBJECT (Light, Drawable)
 
void ValidateShadowFocus ()
 Validate shadow focus.
 
void ValidateShadowCascade ()
 Validate shadow cascade.
 
void ValidateShadowBias ()
 Validate shadow bias.
 

Private Attributes

LightType lightType_
 Light type.
 
Color color_
 Color.
 
float temperature_
 Light temperature.
 
float lightRad_
 Radius of the light source. If above 0 it will turn the light into an area light. Works only with PBR shaders.
 
float lightLength_
 Length of the light source. If above 0 and radius is above 0 it will create a tube light. Works only with PBR shaders.
 
BiasParameters shadowBias_
 Shadow depth bias parameters.
 
CascadeParameters shadowCascade_
 Directional light cascaded shadow parameters.
 
FocusParameters shadowFocus_
 Shadow map focus parameters.
 
Matrix3x4 volumeTransform_
 Custom world transform for the light volume.
 
SharedPtr< TexturerampTexture_
 Range attenuation texture.
 
SharedPtr< TextureshapeTexture_
 Spotlight attenuation texture.
 
LightBatchQueuelightQueue_
 Light queue.
 
float specularIntensity_
 Specular intensity.
 
float brightness_
 Brightness multiplier.
 
float range_
 Range.
 
float fov_
 Spotlight field of view.
 
float aspectRatio_
 Spotlight aspect ratio.
 
float fadeDistance_
 Fade start distance.
 
float shadowFadeDistance_
 Shadow fade start distance.
 
float shadowIntensity_
 Light intensity in shadow.
 
float shadowResolution_
 Shadow resolution.
 
float shadowNearFarRatio_
 Shadow camera near/far clip distance ratio.
 
float shadowMaxExtrusion_
 Directional shadow max. extrusion distance.
 
bool perVertex_
 Per-vertex lighting flag.
 
bool usePhysicalValues_
 Use physical light values flag.
 

Additional Inherited Members

- Protected Attributes inherited from Urho3D::Drawable
BoundingBox worldBoundingBox_
 World-space bounding box.
 
BoundingBox boundingBox_
 Local-space bounding box.
 
Vector< SourceBatchbatches_
 Draw call source data.
 
unsigned char drawableFlags_
 Drawable flags.
 
bool worldBoundingBoxDirty_
 Bounding box dirty flag.
 
bool castShadows_
 Shadowcaster flag.
 
bool occluder_
 Occluder flag.
 
bool occludee_
 Occludee flag.
 
bool updateQueued_
 Octree update queued flag.
 
bool zoneDirty_
 Zone inconclusive or dirtied flag.
 
Octantoctant_
 Octree octant.
 
Zonezone_
 Current zone.
 
unsigned viewMask_
 View mask.
 
unsigned lightMask_
 Light mask.
 
unsigned shadowMask_
 Shadow mask.
 
unsigned zoneMask_
 Zone mask.
 
unsigned viewFrameNumber_
 Last visible frame number.
 
float distance_
 Current distance to camera.
 
float lodDistance_
 LOD scaled distance.
 
float drawDistance_
 Draw distance.
 
float shadowDistance_
 Shadow distance.
 
float sortValue_
 Current sort value.
 
float minZ_
 Current minimum view space depth.
 
float maxZ_
 Current maximum view space depth.
 
float lodBias_
 LOD bias.
 
unsigned basePassFlags_
 Base pass flags, bit per batch.
 
unsigned maxLights_
 Maximum per-pixel lights.
 
PODVector< Camera * > viewCameras_
 List of cameras from which is seen on the current frame.
 
LightfirstLight_
 First per-pixel light added this frame.
 
PODVector< Light * > lights_
 Per-pixel lights affecting this drawable.
 
PODVector< Light * > vertexLights_
 Per-vertex lights affecting this drawable.
 
- Protected Attributes inherited from Urho3D::Component
Nodenode_
 Scene node.
 
unsigned id_
 Unique ID within the scene.
 
bool networkUpdate_
 Network update queued flag.
 
bool enabled_
 Enabled flag.
 
- Protected Attributes inherited from Urho3D::Animatable
bool animationEnabled_
 Animation enabled.
 
SharedPtr< ObjectAnimationobjectAnimation_
 Animation.
 
HashSet< const AttributeInfo * > animatedNetworkAttributes_
 Animated network attribute set.
 
HashMap< String, SharedPtr< AttributeAnimationInfo > > attributeAnimationInfos_
 Attribute animation infos.
 
- Protected Attributes inherited from Urho3D::Serializable
UniquePtr< NetworkStatenetworkState_
 Network attribute state.
 
- Protected Attributes inherited from Urho3D::Object
Contextcontext_
 Execution context.
 

Detailed Description

Light component.

Member Function Documentation

◆ DrawDebugGeometry()

void Urho3D::Light::DrawDebugGeometry ( DebugRenderer debug,
bool  depthTest 
)
overridevirtual

Visualize the component as debug geometry.

Reimplemented from Urho3D::Drawable.

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◆ GetAspectRatio()

float Urho3D::Light::GetAspectRatio ( ) const
inline

Return spotlight aspect ratio.

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◆ GetBrightness()

float Urho3D::Light::GetBrightness ( ) const
inline

Return brightness multiplier. Specified in lumens when "use physical values" is enabled.

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◆ GetColor()

const Color & Urho3D::Light::GetColor ( ) const
inline

Return color.

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◆ GetColorFromTemperature()

Color Urho3D::Light::GetColorFromTemperature ( ) const

Return the color value of the temperature in Kelvin.

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◆ GetEffectiveColor()

Color Urho3D::Light::GetEffectiveColor ( ) const

Return effective color, multiplied by brightness and affected by temperature when "use physical values" is enabled. Alpha is always 1 so that can compare against the default black color to detect a light with no effect.

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◆ GetEffectiveSpecularIntensity()

float Urho3D::Light::GetEffectiveSpecularIntensity ( ) const
inline

Return effective specular intensity, multiplied by absolute value of brightness.

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◆ GetFadeDistance()

float Urho3D::Light::GetFadeDistance ( ) const
inline

Return fade start distance.

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◆ GetFov()

float Urho3D::Light::GetFov ( ) const
inline

Return spotlight field of view.

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◆ GetFrustum()

Frustum Urho3D::Light::GetFrustum ( ) const

Return spotlight frustum.

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◆ GetLength()

float Urho3D::Light::GetLength ( ) const
inline

Return area tube light length. Works only with PBR shaders.

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◆ GetLightType()

LightType Urho3D::Light::GetLightType ( ) const
inline

Return light type.

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◆ GetNumShadowSplits()

int Urho3D::Light::GetNumShadowSplits ( ) const

Return number of shadow map cascade splits for a directional light, considering also graphics API limitations.

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◆ GetPerVertex()

bool Urho3D::Light::GetPerVertex ( ) const
inline

Return vertex lighting mode.

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◆ GetRadius()

float Urho3D::Light::GetRadius ( ) const
inline

Return area light mode radius. Works only with PBR shaders.

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◆ GetRampTexture()

Texture * Urho3D::Light::GetRampTexture ( ) const
inline

Return range attenuation texture.

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◆ GetRange()

float Urho3D::Light::GetRange ( ) const
inline

Return range.

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◆ GetShadowBias()

const BiasParameters & Urho3D::Light::GetShadowBias ( ) const
inline

Return shadow depth bias parameters.

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◆ GetShadowCascade()

const CascadeParameters & Urho3D::Light::GetShadowCascade ( ) const
inline

Return directional light cascaded shadow parameters.

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◆ GetShadowFadeDistance()

float Urho3D::Light::GetShadowFadeDistance ( ) const
inline

Return shadow fade start distance.

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◆ GetShadowFocus()

const FocusParameters & Urho3D::Light::GetShadowFocus ( ) const
inline

Return shadow map focus parameters.

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◆ GetShadowIntensity()

float Urho3D::Light::GetShadowIntensity ( ) const
inline

Return light intensity in shadow.

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◆ GetShadowMaxExtrusion()

float Urho3D::Light::GetShadowMaxExtrusion ( ) const
inline

Return maximum shadow extrusion distance for directional lights.

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◆ GetShadowNearFarRatio()

float Urho3D::Light::GetShadowNearFarRatio ( ) const
inline

Return shadow camera near/far clip distance ratio.

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◆ GetShadowResolution()

float Urho3D::Light::GetShadowResolution ( ) const
inline

Return shadow resolution.

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◆ GetShapeTexture()

Texture * Urho3D::Light::GetShapeTexture ( ) const
inline

Return spotlight attenuation texture.

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◆ GetSpecularIntensity()

float Urho3D::Light::GetSpecularIntensity ( ) const
inline

Return specular intensity.

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◆ GetTemperature()

float Urho3D::Light::GetTemperature ( ) const
inline

Return the temperature of the light in Kelvin.

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◆ GetUsePhysicalValues()

bool Urho3D::Light::GetUsePhysicalValues ( ) const
inline

Return if light uses temperature and brightness in lumens.

◆ IsNegative()

bool Urho3D::Light::IsNegative ( ) const
inline

Return whether light has negative (darkening) color.

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◆ OnWorldBoundingBoxUpdate()

void Urho3D::Light::OnWorldBoundingBoxUpdate ( )
overrideprotectedvirtual

Recalculate the world-space bounding box.

Implements Urho3D::Drawable.

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◆ ProcessRayQuery()

void Urho3D::Light::ProcessRayQuery ( const RayOctreeQuery query,
PODVector< RayQueryResult > &  results 
)
overridevirtual

Process octree raycast. May be called from a worker thread.

Reimplemented from Urho3D::Drawable.

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◆ RegisterObject()

void Urho3D::Light::RegisterObject ( Context context)
static

Register object factory. Drawable must be registered first.

◆ SetAspectRatio()

void Urho3D::Light::SetAspectRatio ( float  aspectRatio)

Set spotlight aspect ratio.

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◆ SetBrightness()

void Urho3D::Light::SetBrightness ( float  brightness)

Set light brightness multiplier. Both the color and specular intensity are multiplied with this. When "use physical values" is enabled, the value is specified in lumens.

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◆ SetColor()

void Urho3D::Light::SetColor ( const Color color)

Set color.

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◆ SetFadeDistance()

void Urho3D::Light::SetFadeDistance ( float  distance)

Set fade out start distance.

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◆ SetFov()

void Urho3D::Light::SetFov ( float  fov)

Set spotlight field of view.

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◆ SetLength()

void Urho3D::Light::SetLength ( float  length)

Set tube area light length. Works only with PBR shaders.

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◆ SetLightType()

void Urho3D::Light::SetLightType ( LightType  type)

Set light type.

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◆ SetPerVertex()

void Urho3D::Light::SetPerVertex ( bool  enable)

Set vertex lighting mode.

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◆ SetRadius()

void Urho3D::Light::SetRadius ( float  radius)

Set area light radius. Greater than zero activates area light mode. Works only with PBR shaders.

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◆ SetRampTexture()

void Urho3D::Light::SetRampTexture ( Texture texture)

Set range attenuation texture.

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◆ SetRange()

void Urho3D::Light::SetRange ( float  range)

Set range.

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◆ SetShadowBias()

void Urho3D::Light::SetShadowBias ( const BiasParameters parameters)

Set shadow depth bias parameters.

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◆ SetShadowCascade()

void Urho3D::Light::SetShadowCascade ( const CascadeParameters parameters)

Set directional light cascaded shadow parameters.

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◆ SetShadowFadeDistance()

void Urho3D::Light::SetShadowFadeDistance ( float  distance)

Set shadow fade out start distance. Only has effect if shadow distance is also non-zero.

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◆ SetShadowFocus()

void Urho3D::Light::SetShadowFocus ( const FocusParameters parameters)

Set shadow map focusing parameters.

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◆ SetShadowIntensity()

void Urho3D::Light::SetShadowIntensity ( float  intensity)

Set light intensity in shadow between 0.0 - 1.0. 0.0 (the default) gives fully dark shadows.

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◆ SetShadowMaxExtrusion()

void Urho3D::Light::SetShadowMaxExtrusion ( float  extrusion)

Set maximum shadow extrusion for directional lights. The actual extrusion will be the smaller of this and camera far clip. Default 1000.

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◆ SetShadowNearFarRatio()

void Urho3D::Light::SetShadowNearFarRatio ( float  nearFarRatio)

Set shadow camera near/far clip distance ratio for spot and point lights. Does not affect directional lights, since they are orthographic and have near clip 0.

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◆ SetShadowResolution()

void Urho3D::Light::SetShadowResolution ( float  resolution)

Set shadow resolution between 0.25 - 1.0. Determines the shadow map to use.

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◆ SetShapeTexture()

void Urho3D::Light::SetShapeTexture ( Texture texture)

Set spotlight attenuation texture.

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◆ SetSpecularIntensity()

void Urho3D::Light::SetSpecularIntensity ( float  intensity)

Set specular intensity. Zero disables specular calculations.

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◆ SetTemperature()

void Urho3D::Light::SetTemperature ( float  temperature)

Set temperature of the light in Kelvin. Modulates the light color when "use physical values" is enabled.

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◆ SetUsePhysicalValues()

void Urho3D::Light::SetUsePhysicalValues ( bool  enable)

Set use physical light values.

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◆ UpdateBatches()

void Urho3D::Light::UpdateBatches ( const FrameInfo frame)
overridevirtual

Calculate distance and prepare batches for rendering. May be called from worker thread(s), possibly re-entrantly.

Reimplemented from Urho3D::Drawable.

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The documentation for this class was generated from the following files: