Urho3D
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Physics simulation world component. Should be added only to the root scene node. More...
#include <PhysicsWorld.h>
Public Member Functions | |
PhysicsWorld (Context *scontext) | |
Construct. | |
virtual | ~PhysicsWorld () |
Destruct. | |
virtual bool | isVisible (const btVector3 &aabbMin, const btVector3 &aabbMax) |
Check if an AABB is visible for debug drawing. | |
virtual void | drawLine (const btVector3 &from, const btVector3 &to, const btVector3 &color) |
Draw a physics debug line. | |
virtual void | reportErrorWarning (const char *warningString) |
Log warning from the physics engine. | |
virtual void | drawContactPoint (const btVector3 &PointOnB, const btVector3 &normalOnB, btScalar distance, int lifeTime, const btVector3 &color) |
Draw a physics debug contact point. Not implemented. | |
virtual void | draw3dText (const btVector3 &location, const char *textString) |
Draw physics debug 3D text. Not implemented. | |
virtual void | setDebugMode (int debugMode) |
Set debug draw flags. | |
virtual int | getDebugMode () const |
Return debug draw flags. | |
virtual void | DrawDebugGeometry (DebugRenderer *debug, bool depthTest) |
Visualize the component as debug geometry. | |
void | Update (float timeStep) |
Step the simulation forward. | |
void | UpdateCollisions () |
Refresh collisions only without updating dynamics. | |
void | SetFps (int fps) |
Set simulation steps per second. | |
void | SetGravity (Vector3 gravity) |
Set gravity. | |
void | SetInterpolation (bool enable) |
Set whether to interpolate between simulation steps. | |
void | SetMaxNetworkAngularVelocity (float velocity) |
Set maximum angular velocity for network replication. | |
void | Raycast (PODVector< PhysicsRaycastResult > &result, const Ray &ray, float maxDistance, unsigned collisionMask=M_MAX_UNSIGNED) |
Perform a physics world raycast and return all hits. | |
void | RaycastSingle (PhysicsRaycastResult &result, const Ray &ray, float maxDistance, unsigned collisionMask=M_MAX_UNSIGNED) |
Perform a physics world raycast and return the closest hit. | |
void | SphereCast (PhysicsRaycastResult &result, const Ray &ray, float radius, float maxDistance, unsigned collisionMask=M_MAX_UNSIGNED) |
Perform a physics world swept sphere test and return the closest hit. | |
void | GetRigidBodies (PODVector< RigidBody * > &result, const Sphere &sphere, unsigned collisionMask=M_MAX_UNSIGNED) |
Return rigid bodies by a sphere query. | |
void | GetRigidBodies (PODVector< RigidBody * > &result, const BoundingBox &box, unsigned collisionMask=M_MAX_UNSIGNED) |
Return rigid bodies by a box query. | |
void | GetRigidBodies (PODVector< RigidBody * > &result, const RigidBody *body) |
Return rigid bodies that have been in collision with a specific body on the last simulation step. | |
Vector3 | GetGravity () const |
Return gravity. | |
bool | GetInterpolation () const |
Return whether interpolation between simulation steps is enabled. | |
int | GetFps () const |
Return simulation steps per second. | |
float | GetMaxNetworkAngularVelocity () const |
Return maximum angular velocity for network replication. | |
void | AddRigidBody (RigidBody *body) |
Add a rigid body to keep track of. Called by RigidBody. | |
void | RemoveRigidBody (RigidBody *body) |
Remove a rigid body. Called by RigidBody. | |
void | AddCollisionShape (CollisionShape *shape) |
Add a collision shape to keep track of. Called by CollisionShape. | |
void | RemoveCollisionShape (CollisionShape *shape) |
Remove a collision shape. Called by CollisionShape. | |
void | AddConstraint (Constraint *joint) |
Add a constraint to keep track of. Called by Constraint. | |
void | RemoveConstraint (Constraint *joint) |
Remove a constraint. Called by Constraint. | |
void | AddDelayedWorldTransform (const DelayedWorldTransform &transform) |
Add a delayed world transform assignment. Called by RigidBody. | |
void | DrawDebugGeometry (bool depthTest) |
Add debug geometry to the debug renderer. | |
void | SetDebugRenderer (DebugRenderer *debug) |
Set debug renderer to use. Called both by PhysicsWorld itself and physics components. | |
void | SetDebugDepthTest (bool enable) |
Set debug geometry depth test mode. Called both by PhysicsWorld itself and physics components. | |
btDiscreteDynamicsWorld * | GetWorld () |
Return the Bullet physics world. | |
void | CleanupGeometryCache () |
Clean up the geometry cache. | |
HashMap< String, SharedPtr < CollisionGeometryData > > & | GetGeometryCache () |
Return the collision geometry cache. | |
void | SetApplyingTransforms (bool enable) |
Set node dirtying to be disregarded. | |
bool | IsApplyingTransforms () const |
Return whether node dirtying should be disregarded. | |
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Component (Context *context) | |
Construct. | |
virtual | ~Component () |
Destruct. | |
virtual void | OnSetAttribute (const AttributeInfo &attr, const Variant &src) |
Handle attribute write access. | |
virtual bool | Save (Serializer &dest) |
Save as binary data. Return true if successful. | |
virtual bool | SaveXML (XMLElement &dest) |
Save as XML data. Return true if successful. | |
virtual void | GetDependencyNodes (PODVector< Node * > &dest) |
Return the depended on nodes to order network updates. | |
void | Remove () |
Remove from the scene node. If no other shared pointer references exist, causes immediate deletion. | |
unsigned | GetID () const |
Return ID. | |
Node * | GetNode () const |
Return scene node. | |
Scene * | GetScene () const |
Return the scene the node belongs to. | |
void | GetComponents (PODVector< Component * > &dest, ShortStringHash type) const |
Return components in the same scene node by type. | |
Component * | GetComponent (ShortStringHash type) const |
Return component in the same scene node by type. If there are several, returns the first. | |
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. | |
void | MarkNetworkUpdate () |
Mark for attribute check on the next network update. | |
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Serializable (Context *context) | |
Construct. | |
virtual | ~Serializable () |
Destruct. | |
virtual void | OnGetAttribute (const AttributeInfo &attr, Variant &dest) |
Handle attribute read access. Default implementation reads the variable at offset, or invokes the get accessor. | |
virtual bool | Load (Deserializer &source) |
Load from binary data. Return true if successful. | |
virtual bool | LoadXML (const XMLElement &source) |
Load from XML data. Return true if successful. | |
virtual void | ApplyAttributes () |
Apply attribute changes that can not be applied immediately. Called after scene load or a network update. | |
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 | AllocateNetworkState () |
Allocate network attribute state. | |
void | WriteInitialDeltaUpdate (Serializer &dest) |
Write initial delta network update. | |
void | WriteDeltaUpdate (Serializer &dest, const DirtyBits &attributeBits) |
Write a delta network update according to dirty attribute bits. | |
void | WriteLatestDataUpdate (Serializer &dest) |
Write a latest data network update. | |
void | ReadDeltaUpdate (Deserializer &source) |
Read and apply a network delta update. | |
void | ReadLatestDataUpdate (Deserializer &source) |
Read and apply a network latest data update. | |
Variant | GetAttribute (unsigned index) |
Return attribute value by index. Return empty if illegal index. | |
Variant | GetAttribute (const String &name) |
Return attribute value by name. Return empty if not found. | |
unsigned | GetNumAttributes () const |
Return number of attributes. | |
unsigned | GetNumNetworkAttributes () const |
Return number of network replication attributes. | |
const Vector< AttributeInfo > * | GetAttributes () const |
Return attribute descriptions, or null if none defined. | |
const Vector< AttributeInfo > * | GetNetworkAttributes () const |
Return network replication attribute descriptions, or null if none defined. | |
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Object (Context *context) | |
Construct. | |
virtual | ~Object () |
Destruct. Clean up self from event sender & receiver structures. | |
virtual ShortStringHash | GetType () const =0 |
Return type hash. | |
virtual const String & | GetTypeName () 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. | |
Context * | GetContext () const |
Return execution context. | |
Object * | GetSubsystem (ShortStringHash type) const |
Return subsystem by type. | |
Object * | GetEventSender () const |
Return active event sender. Null outside event handling. | |
EventHandler * | GetEventHandler () 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. | |
template<class T > | |
T * | GetSubsystem () const |
Template version of returning a subsystem. | |
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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. | |
RefCount * | RefCountPtr () |
Return pointer to the reference count structure. |
Static Public Member Functions | |
static void | RegisterObject (Context *context) |
Register object factory. |
Protected Member Functions | |
virtual void | OnNodeSet (Node *node) |
Handle node being assigned. | |
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virtual void | OnMarkedDirty (Node *node) |
Handle scene node transform dirtied. | |
void | SetID (unsigned id) |
Set ID. Called by Scene. | |
void | SetNode (Node *node) |
Set scene node. Called by Node when creating the component. |
Private Member Functions | |
OBJECT (PhysicsWorld) | |
void | HandleSceneSubsystemUpdate (StringHash eventType, VariantMap &eventData) |
Handle the scene subsystem update event, step simulation here. | |
void | PreStep (float timeStep) |
Trigger update before each physics simulation step. | |
void | PostStep (float timeStep) |
Trigger update after ecah physics simulation step. | |
void | SendCollisionEvents () |
Send accumulated collision events. |
Private Attributes | |
btCollisionConfiguration * | collisionConfiguration_ |
Bullet collision configuration. | |
btDispatcher * | collisionDispatcher_ |
Bullet collision dispatcher. | |
btBroadphaseInterface * | broadphase_ |
Bullet collision broadphase. | |
btConstraintSolver * | solver_ |
Bullet constraint solver. | |
btDiscreteDynamicsWorld * | world_ |
Bullet physics world. | |
WeakPtr< Scene > | scene_ |
Extra weak pointer to scene to allow for cleanup in case the world is destroyed before other components. | |
PODVector< RigidBody * > | rigidBodies_ |
Rigid bodies in the world. | |
PODVector< CollisionShape * > | collisionShapes_ |
Collision shapes in the world. | |
PODVector< Constraint * > | constraints_ |
Constraints in the world. | |
HashSet< Pair< RigidBody *, RigidBody * > > | currentCollisions_ |
Collision pairs on this frame. | |
HashSet< Pair< RigidBody *, RigidBody * > > | previousCollisions_ |
Collision pairs on the previous frame. Used to check if a collision is "new.". | |
HashMap< RigidBody *, DelayedWorldTransform > | delayedWorldTransforms_ |
Delayed (parented) world transform assignments. | |
HashMap< String, SharedPtr < CollisionGeometryData > > | geometryCache_ |
Cache for collision geometry data. | |
unsigned | fps_ |
Simulation steps per second. | |
float | timeAcc_ |
Time accumulator for non-interpolated mode. | |
float | maxNetworkAngularVelocity_ |
Maximum angular velocity for network replication. | |
bool | interpolation_ |
Interpolation flag. | |
bool | applyingTransforms_ |
Applying transforms flag. | |
DebugRenderer * | debugRenderer_ |
Debug renderer. | |
int | debugMode_ |
Debug draw flags. | |
bool | debugDepthTest_ |
Debug draw depth test mode. |
Friends | |
void | InternalPreTickCallback (btDynamicsWorld *world, btScalar timeStep) |
void | InternalTickCallback (btDynamicsWorld *world, btScalar timeStep) |
Additional Inherited Members | |
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Node * | node_ |
Scene node. | |
unsigned | id_ |
Unique ID within the scene. | |
bool | networkUpdate_ |
Network update queued flag. | |
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NetworkState * | networkState_ |
Network attribute state. | |
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Context * | context_ |
Execution context. |
Physics simulation world component. Should be added only to the root scene node.