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Unigine::VRMarkerObject Class

Header: #include <UnigineVRMixedReality.h>

The class is used for managing a Varjo object marker. Varjo markers are typically used in mixed reality applications, but can be also used without video pass-through rendering in virtual reality applications to align virtual objects in the scene with physical objects in the real world.

Object markers are used to track static or dynamic objects in the user environment. You can use the object markers in both XR and VR applications. Each marker has a unique ID, and you shouldn't use the same marker more than once in any given environment. For added precision, an application can use multiple markers to track a single object. You can, for example, track a monitor by placing a marker in each corner.

VRMarkerObject Class

Members

getID() const#

Returns the current unique ID of the marker object.

Return value

Current marker object ID.

Math::mat4 getTransform() const#

Returns the current marker pose transformation.

Return value

Current pose transformation.

Math::Mat4 getWorldTransform() const#

Returns the current marker pose transformation in global space.

Return value

Current pose transformation in global space.

Math::Vec3 getSize() const#

Returns the current size of the marker.

Return value

Current size in meters.

Math::Vec3 getVelocity() const#

Returns the current linear velocity.

Return value

Current linear velocity, in meters per second.

Math::Vec3 getAngularVelocity() const#

Returns the current angular velocity.

Return value

Current angular velocity, in radians per second.

Math::Vec3 getAcceleration() const#

Returns the current acceleration.

Return value

Current acceleration, in m/s2.

long long getRawTimestamp() const#

Returns the current timestamp of the pose. This represents the time the pose has been extrapolated to.

Return value

Current timestamp of the pose, in nanoseconds.

getConfidence() const#

Returns the current tracker confidence.

Return value

Current tracker confidence in range [0.0, 1.0].

getPoseFlags() const#

Returns the current bit field value describing pose.

Return value

Current bit field value describing pose. One of the MARKER_POSE_FLAGS_*

void setDynamic ( bool dynamic ) #

Sets a new value indicating if the marker is tracked as dynamic (the marker pose is predicted).

Arguments

  • bool dynamic - Set true to enable the marker is tracked as dynamic; false - to disable it.

bool isDynamic() const#

Returns the current value indicating if the marker is tracked as dynamic (the marker pose is predicted).

Return value

true if the marker is tracked as dynamic is enabled; otherwise false.

void setLifetime ( ) #

Sets a new lifetime of the marker.

Arguments

  • lifetime - The marker lifetime.

getLifetime() const#

Returns the current lifetime of the marker.

Return value

Current marker lifetime.

void renderVisualizer ( ) const#

Renders visualizer for the marker object.
Last update: 2023-11-08
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