Particle emitter component. More...

#include <ParticleEmitter.h>

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

 ParticleEmitter (Context *context)
 Construct.
 
virtual ~ParticleEmitter ()
 Destruct.
 
virtual void OnSetEnabled ()
 Handle enabled/disabled state change.
 
virtual void Update (const FrameInfo &frame)
 Update before octree reinsertion. Is called from a worker thread.
 
void SetEffect (ParticleEffect *effect)
 Set particle effect.
 
void SetNumParticles (unsigned num)
 Set maximum number of particles.
 
void SetEmitting (bool enable)
 Set whether should be emitting. If the state was changed, also resets the emission period timer.
 
void SetSerializeParticles (bool enable)
 Set whether particles should be serialized. Default true, set false to reduce scene file size.
 
void ResetEmissionTimer ()
 Reset the emission period timer.
 
void RemoveAllParticles ()
 Remove all current particles.
 
void Reset ()
 Reset the particle emitter completely. Removes current particles, sets emitting state on, and resets the emission timer.
 
void ApplyEffect ()
 Apply not continuously updated values such as the material, the number of particles and sorting mode from the particle effect. Call this if you change the effect programmatically.
 
ParticleEffectGetEffect () const
 Return particle effect.
 
unsigned GetNumParticles () const
 Return maximum number of particles.
 
bool IsEmitting () const
 Return whether is currently emitting.
 
bool GetSerializeParticles () const
 Return whether particles are to be serialized.
 
void SetEffectAttr (const ResourceRef &value)
 Set particles effect attribute.
 
ResourceRef GetEffectAttr () const
 Set particles effect attribute.
 
void SetParticlesAttr (const VariantVector &value)
 Set particles attribute.
 
VariantVector GetParticlesAttr () const
 Return particles attribute. Returns particle amount only if particles are not to be serialized.
 
VariantVector GetParticleBillboardsAttr () const
 Return billboards attribute. Returns billboard amount only if particles are not to be serialized.
 
- Public Member Functions inherited from Urho3D::BillboardSet
 BillboardSet (Context *context)
 Construct.
 
virtual ~BillboardSet ()
 Destruct.
 
virtual void ProcessRayQuery (const RayOctreeQuery &query, PODVector< RayQueryResult > &results)
 Process octree raycast. May be called from a worker thread.
 
virtual void UpdateBatches (const FrameInfo &frame)
 Calculate distance and prepare batches for rendering. May be called from worker thread(s), possibly re-entrantly.
 
virtual void UpdateGeometry (const FrameInfo &frame)
 Prepare geometry for rendering. Called from a worker thread if possible (no GPU update.)
 
virtual UpdateGeometryType GetUpdateGeometryType ()
 Return whether a geometry update is necessary, and if it can happen in a worker thread.
 
void SetMaterial (Material *material)
 Set material.
 
void SetNumBillboards (unsigned num)
 Set number of billboards.
 
void SetRelative (bool enable)
 Set whether billboards are relative to the scene node. Default true.
 
void SetScaled (bool enable)
 Set whether scene node scale affects billboards' size. Default true.
 
void SetSorted (bool enable)
 Set whether billboards are sorted by distance. Default false.
 
void SetFaceCameraMode (FaceCameraMode mode)
 Set how the billboards should rotate in relation to the camera. Default is to follow camera rotation on all axes (FC_ROTATE_XYZ.)
 
void SetAnimationLodBias (float bias)
 Set animation LOD bias.
 
void Commit ()
 Mark for bounding box and vertex buffer update. Call after modifying the billboards.
 
MaterialGetMaterial () const
 Return material.
 
unsigned GetNumBillboards () const
 Return number of billboards.
 
PODVector< Billboard > & GetBillboards ()
 Return all billboards.
 
BillboardGetBillboard (unsigned index)
 Return billboard by index.
 
bool IsRelative () const
 Return whether billboards are relative to the scene node.
 
bool IsScaled () const
 Return whether scene node scale affects billboards' size.
 
bool IsSorted () const
 Return whether billboards are sorted.
 
FaceCameraMode GetFaceCameraMode () const
 Return how the billboards rotate in relation to the camera.
 
float GetAnimationLodBias () const
 Return animation LOD bias.
 
void SetMaterialAttr (const ResourceRef &value)
 Set material attribute.
 
void SetBillboardsAttr (const VariantVector &value)
 Set billboards attribute.
 
void SetNetBillboardsAttr (const PODVector< unsigned char > &value)
 Set billboards attribute for network replication.
 
ResourceRef GetMaterialAttr () const
 Return material attribute.
 
VariantVector GetBillboardsAttr () const
 Return billboards attribute.
 
const PODVector< unsigned char > & GetNetBillboardsAttr () const
 Return billboards attribute for network replication.
 
- Public Member Functions inherited from Urho3D::Drawable
 Drawable (Context *context, unsigned char drawableFlags)
 Construct.
 
virtual ~Drawable ()
 Destruct.
 
virtual GeometryGetLodGeometry (unsigned batchIndex, unsigned level)
 Return the geometry for a specific LOD level.
 
virtual unsigned GetNumOccluderTriangles ()
 Return number of occlusion geometry triangles.
 
virtual bool DrawOcclusion (OcclusionBuffer *buffer)
 Draw to occlusion buffer. Return true if did not run out of triangles.
 
virtual void DrawDebugGeometry (DebugRenderer *debug, bool depthTest)
 Visualize the component as debug geometry.
 
void SetDrawDistance (float distance)
 Set draw distance.
 
void SetShadowDistance (float distance)
 Set shadow draw distance.
 
void SetLodBias (float bias)
 Set LOD bias.
 
void SetViewMask (unsigned mask)
 Set view mask. Is and'ed with camera's view mask to see if the object should be rendered.
 
void SetLightMask (unsigned mask)
 Set light mask. Is and'ed with light's and zone's light mask to see if the object should be lit.
 
void SetShadowMask (unsigned mask)
 Set shadow mask. Is and'ed with light's light mask and zone's shadow mask to see if the object should be rendered to a shadow map.
 
void SetZoneMask (unsigned mask)
 Set zone mask. Is and'ed with zone's zone mask to see if the object should belong to the zone.
 
void SetMaxLights (unsigned num)
 Set maximum number of per-pixel lights. Default 0 is unlimited.
 
void SetCastShadows (bool enable)
 Set shadowcaster flag.
 
void SetOccluder (bool enable)
 Set occlusion flag.
 
void SetOccludee (bool enable)
 Set occludee flag.
 
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
 Return local space bounding box. May not be applicable or properly updated on all drawables.
 
const BoundingBoxGetWorldBoundingBox ()
 Return world-space bounding box.
 
unsigned char GetDrawableFlags () const
 Return drawable flags.
 
float GetDrawDistance () const
 Return draw distance.
 
float GetShadowDistance () const
 Return shadow draw distance.
 
float GetLodBias () const
 Return LOD bias.
 
unsigned GetViewMask () const
 Return view mask.
 
unsigned GetLightMask () const
 Return light mask.
 
unsigned GetShadowMask () const
 Return shadow mask.
 
unsigned GetZoneMask () const
 Return zone mask.
 
unsigned GetMaxLights () const
 Return maximum number of per-pixel lights.
 
bool GetCastShadows () const
 Return shadowcaster flag.
 
bool IsOccluder () const
 Return occluder flag.
 
bool IsOccludee () const
 Return occludee flag.
 
bool IsInView () const
 Return whether is in view this frame from any viewport camera. Excludes shadow map cameras.
 
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
 Return current zone.
 
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)
 
void AddVertexLight (Light *light)
 
- Public Member Functions inherited from Urho3D::Component
 Component (Context *context)
 Construct.
 
virtual ~Component ()
 Destruct.
 
virtual bool Save (Serializer &dest) const
 Save as binary data. Return true if successful.
 
virtual bool SaveXML (XMLElement &dest) const
 Save as XML data. Return true if successful.
 
virtual void MarkNetworkUpdate ()
 Mark for attribute check on the next network update.
 
virtual void GetDependencyNodes (PODVector< Node * > &dest)
 Return the depended on nodes to order network updates.
 
void SetEnabled (bool enable)
 Set enabled/disabled state.
 
void Remove ()
 Remove from the scene node. If no other shared pointer references exist, causes immediate deletion.
 
unsigned GetID () const
 Return ID.
 
NodeGetNode () const
 Return scene node.
 
SceneGetScene () const
 Return the scene the node belongs to.
 
bool IsEnabled () const
 Return whether is enabled.
 
bool IsEnabledEffective () const
 Return whether is effectively enabled (node is also enabled.)
 
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)
 Clean up all references to a network connection that is about to be removed.
 
- Public Member Functions inherited from Urho3D::Animatable
 Animatable (Context *context)
 Construct.
 
virtual ~Animatable ()
 Destruct.
 
virtual bool LoadXML (const XMLElement &source, bool setInstanceDefault=false)
 Load from XML data. When setInstanceDefault is set to true, after setting the attribute value, store the value as instance's default value. Return true if successful.
 
void SetAnimationEnabled (bool enable)
 Set animation enabled.
 
void SetObjectAnimation (ObjectAnimation *objectAnimation)
 Set object animation.
 
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.
 
bool GetAnimationEnabled () const
 Return animation enabled.
 
ObjectAnimationGetObjectAnimation () const
 Return object animation.
 
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.
 
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.
 
virtual ~Serializable ()
 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.
 
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.
 
virtual const Vector
< AttributeInfo > * 
GetAttributes () const
 Return attribute descriptions, or null if none defined.
 
virtual const Vector
< AttributeInfo > * 
GetNetworkAttributes () const
 Return network replication attribute descriptions, or null if none defined.
 
virtual bool Load (Deserializer &source, bool setInstanceDefault=false)
 Load from binary data. When setInstanceDefault is set to true, after setting the attribute value, store the value as instance's default value. Return true if successful.
 
virtual void ApplyAttributes ()
 Apply attribute changes that can not be applied immediately. Called after scene load or a network update.
 
virtual bool SaveDefaultAttributes () const
 Return whether should save default-valued attributes into XML. Default false.
 
bool SetAttribute (unsigned index, const Variant &value)
 Set attribute by index. Return true if successfully set.
 
bool SetAttribute (const String &name, const Variant &value)
 Set attribute by name. Return true if successfully set.
 
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)
 Set temporary flag. Temporary objects will not be saved.
 
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
 Return attribute value by index. Return empty if illegal index.
 
Variant GetAttribute (const String &name) const
 Return attribute value by name. Return empty if not found.
 
Variant GetAttributeDefault (unsigned index) const
 Return attribute default value by index. Return empty if illegal index.
 
Variant GetAttributeDefault (const String &name) const
 Return attribute default value by name. Return empty if not found.
 
unsigned GetNumAttributes () const
 Return number of attributes.
 
unsigned GetNumNetworkAttributes () const
 Return number of network replication attributes.
 
bool IsTemporary () const
 Return whether is temporary.
 
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.
 
virtual ~Object ()
 Destruct. Clean up self from event sender & receiver structures.
 
virtual Urho3D::StringHash GetType () const =0
 Return type hash.
 
virtual Urho3D::StringHash GetBaseType () const =0
 Return base class type hash.
 
virtual const Urho3D::StringGetTypeName () const =0
 Return type name.
 
virtual void OnEvent (Object *sender, StringHash eventType, VariantMap &eventData)
 Handle event.
 
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 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. More...
 
VariantMapGetEventDataMap () const
 Return a preallocated map for event data. Used for optimization to avoid constant re-allocation of event data maps.
 
ContextGetContext () const
 Return execution context.
 
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
 Return object category. Categories are (optionally) registered along with the object factory. Return an empty string if the object category is not registered.
 
- 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.
 
void AddRef ()
 Increment reference count. Can also be called outside of a SharedPtr for traditional reference counting.
 
void ReleaseRef ()
 Decrement reference count and delete self if no more references. Can also be called outside of a SharedPtr for traditional reference counting.
 
int Refs () const
 Return reference count.
 
int WeakRefs () const
 Return weak reference count.
 
RefCountRefCountPtr ()
 Return pointer to the reference count structure.
 

Static Public Member Functions

static void RegisterObject (Context *context)
 Register object factory.
 
- Static Public Member Functions inherited from Urho3D::BillboardSet
static void RegisterObject (Context *context)
 Register object factory.
 
- Static Public Member Functions inherited from Urho3D::Drawable
static void RegisterObject (Context *context)
 Register object attributes. Drawable must be registered first.
 

Protected Member Functions

virtual void OnNodeSet (Node *node)
 Handle node being assigned.
 
bool EmitNewParticle ()
 Create a new particle. Return true if there was room.
 
unsigned GetFreeParticle () const
 Return a free particle index.
 
- Protected Member Functions inherited from Urho3D::BillboardSet
virtual void OnWorldBoundingBoxUpdate ()
 Recalculate the world-space bounding box.
 
void MarkPositionsDirty ()
 Mark billboard vertex buffer to need an update.
 
- Protected Member Functions inherited from Urho3D::Drawable
virtual void OnMarkedDirty (Node *node)
 Handle node transform being dirtied.
 
virtual void OnRemoveFromOctree ()
 Handle removal from octree.
 
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
virtual void OnAttributeAnimationAdded ()
 Handle attribute animation added.
 
virtual void OnAttributeAnimationRemoved ()
 Handle attribute animation removed.
 
virtual void OnNodeSetEnabled (Node *node)
 Handle scene node enabled status changing.
 
void SetID (unsigned id)
 Set ID. Called by Scene.
 
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.
 
- Protected Member Functions inherited from Urho3D::Animatable
virtual 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

 OBJECT (ParticleEmitter)
 
void HandleScenePostUpdate (StringHash eventType, VariantMap &eventData)
 Handle scene post-update event.
 
void HandleEffectReloadFinished (StringHash eventType, VariantMap &eventData)
 Handle live reload of the particle effect.
 

Private Attributes

SharedPtr< ParticleEffecteffect_
 Particle effect.
 
PODVector< Particleparticles_
 Particles.
 
float periodTimer_
 Active/inactive period timer.
 
float emissionTimer_
 New particle emission timer.
 
float lastTimeStep_
 Last scene timestep.
 
unsigned lastUpdateFrameNumber_
 Rendering framenumber on which was last updated.
 
bool emitting_
 Currently emitting flag.
 
bool needUpdate_
 Need update flag.
 
bool serializeParticles_
 Serialize particles flag.
 

Additional Inherited Members

- Protected Attributes inherited from Urho3D::BillboardSet
PODVector< Billboardbillboards_
 Billboards.
 
Vector3 faceCameraAxes_
 Coordinate axes on which camera facing is done.
 
float animationLodBias_
 Animation LOD bias.
 
float animationLodTimer_
 Animation LOD timer.
 
bool relative_
 Billboards relative flag.
 
bool scaled_
 Scale affects billboard scale flag.
 
bool sorted_
 Billboards sorted flag.
 
FaceCameraMode faceCameraMode_
 Billboard rotation mode in relation to the camera.
 

Detailed Description

Particle emitter component.


The documentation for this class was generated from the following files:
  • /home/travis/build/urho3d/Urho3D/Source/Urho3D/Graphics/ParticleEmitter.h
  • /home/travis/build/urho3d/Urho3D/Source/Urho3D/Graphics/ParticleEmitter.cpp