Unigine::ObjectExternBase Class

The base class, from which the custom user-defined objects are inherited.

ObjectExternBase Class

Members

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int getClassID()

Returns a unique class ID.

Return value

Unique class ID.

int getCollision(const Math::vec3 & p0, const Math::vec3 & p1, Vector< int > & surfaces)

Spatial collision with the bounding box.

Arguments

• const Math::vec3 & p0 - Coordinates of the start point of the line.
• const Math::vec3 & p1 - Coordinates of the end point of the line.
• Vector< int > & surfaces - Return array with surface numbers.

Return value

Returns 1 if the array of surfaces is not empty.

int getCollision(const BoundBox & bb, Vector< int > & surfaces)

Spatial collision with the bounding box.

Arguments

• const BoundBox & bb - Bounding box.
• Vector< int > & surfaces - Return array with surface numbers.

Return value

Returns 1 if the array of surfaces is not empty.

int getIntersection(const Math::vec3 & p0, const Math::vec3 & p1, Math::vec3 * ret_point, Math::vec3 * ret_normal, Math::vec4 * ret_texcoord, int * ret_index, int surface)

Returns a value indicating that the line intersects the object surface.

Arguments

• const Math::vec3 & p0 - Coordinates of the start point of the line.
• const Math::vec3 & p1 - Coordinates of the end point of the line.
• Math::vec3 * ret_point - Intersection point coordinates.
• Math::vec3 * ret_normal - Intersection normal vector.
• Math::vec4 * ret_texcoord - Intersection texture coordinates.
• int * ret_index - Intersection index number.
• int surface - Surface number.

Return value

Returns 1 if the intersection occurs.

Ptr<Node> getNode()

Returns the Node smart pointer.

Return value

Node smart pointer.

int getNumSurfaces()

Returns the number of object surfaces.

Return value

The number of object surfaces.

int getNumTriangles(int surface)

Returns the number of triangles.

Arguments

• int surface - Surface number.

Return value

Returns the number of triangles.

Ptr<Object> getObject()

Returns the Object smart pointer.

Return value

Object smart pointer.

Ptr<ObjectExtern> getObjectExtern()

Returns the ObjectExtern smart pointer.

Return value

ObjectExtern smart pointer.

float getOpacityDistance(const Math::Vec3 & camera, int surface)

Returns the opacity rendering distance.

Arguments

• const Math::Vec3 & camera - World camera position.
• int surface - Surface number.

Return value

Surface rendering distance.

int getOrder(const Math::Vec3 & camera, int surface)

Returns the rendering order with respect to the camera position.

Arguments

• const Math::Vec3 & camera - World camera position.
• int surface - Surface number.

Return value

Surface rendering order.

int isOwner()

Returns the "owner" flag.

Return value

The "owner" flag.

int getRandomPoint(Math::vec3 & ret_point, Math::vec3 & ret_normal, Math::vec3 & ret_velocity, int surface)

Returns a random point from a surface.

Arguments

• Math::vec3 & ret_point - Random point coordinates.
• Math::vec3 & ret_normal - Random normal vector.
• Math::vec3 & ret_velocity - Random velocity vector.
• int surface - Surface number.

Return value

Returns 1 if the random point is valid.

int getResource(int surface)

Returns the unique render resource identifier.

Arguments

• int surface - Surface number.

Return value

Surface resource identifier.

int getSequence(const Math::Vec3 & camera, int surface)

Returns the rendering sequence with respect to the camera position.

Arguments

• const Math::Vec3 & camera - World camera position.
• int surface - Surface number.

Return value

Surface rendering sequence.

const char * getSurfaceName(int surface)

Returns the object surface name.

Arguments

• int surface - Surface number.

Return value

Surface name.

float getTransparentDistance(const Math::Vec3 & camera, int surface)

Returns the transparent rendering distance.

Arguments

• const Math::Vec3 & camera - World camera position.
• int surface - Surface number.

Return value

Surface rendering distance.

void create(int surface)

Renders a create function.

Arguments

• int surface - Surface number.

int findSurface(const char * name)

Returns the number of the object surface by its name.

Arguments

• const char * name - Surface name.

Return value

Surface number.

void grab()

Grabs an object. The object should not be handled by the class after this function is called.

int hasCreate()

Returns a value indicating that the object has a create function.

Return value

Returns 1 if the object has a create function.

int hasLods()

Returns a value indicating if the object has LODs.

Return value

Returns 1 if the object has surface LODs.

int hasRender()

Returns a value indicating that the object has a render function.

Return value

Returns 1 if the object has a render function.

int hasShadow()

Returns a value indicating that the object has a shadow function.

Return value

Returns 1 if the object has a shadow function.

int loadWorld(const Ptr<Xml> & xml)

Loads an object state from the Xml.

Arguments

• const Ptr<Xml> & xml - Xml smart pointer.

Return value

Returns 1 if the object state was successfully loaded; otherwise, 0 is returned.

void preRender(float ifps)

Arguments

• float ifps

void release()

Releases an object. The object should be handled by the class after this function is called.

void render(int pass, int surface)

Renders a render function.

Arguments

• int pass - Rendering pass.
• int surface - Surface number.

void renderHandler()

Renders the handler.

void renderShadow(int pass, int surface)

Renders render function.

Arguments

• int pass - Rendering pass.
• int surface - Surface number.

void renderVisualizer()

Renders the visualizer.

void resizeSurfaces()

Resizes all of the object surfaces.

int restoreState(const Ptr<Stream> & stream)

Restores an object state from the stream.

Arguments

• const Ptr<Stream> & stream - Stream smart pointer.

Return value

Returns 1 if the object state was successfully restored; otherwise, 0 is returned.

int saveState(const Ptr<Stream> & stream)

Saves an object state into the stream.

Arguments

• const Ptr<Stream> & stream - Stream smart pointer.

Return value

Returns 1 if the object state was successfully saved; otherwise, 0 is returned.

int saveWorld(const Ptr<Xml> & xml)

Saves an object state into the Xml.

Arguments

• const Ptr<Xml> & xml - Xml smart pointer.

Return value

Returns 1 if the object state was successfully saved; otherwise, 0 is returned.

void update(float ifps)

Update function.

Arguments

• float ifps - Inverse FPS value.

void updateEnabled()

Updates enabled.

void updateEnabled(int surface)

Updates enabled.

Arguments

• int surface - Surface number.

void updatePosition()

Updates a position.

void updateSurfaces()

Updates all of the object surfaces.

void updateTransform()

Updates transformation.