Man page - rtcsetgeometrytimestepcount(3)

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Package: libembree-dev
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Manual

rtcSetGeometryTimeStepCount

NAME
SYNOPSIS
DESCRIPTION
EXIT STATUS
SEE ALSO

NAME

rtcSetGeometryTimeStepCount - sets the number of time steps of the
  geometry

SYNOPSIS

#include <embree4/rtcore.h>


void rtcSetGeometryTimeStepCount(
  RTCGeometry geometry,
  unsigned int timeStepCount
);

DESCRIPTION

The rtcSetGeometryTimeStepCount function sets the number of time steps for multi-segment motion blur ( timeStepCount parameter) of the specified geometry ( geometry parameter).

For triangle meshes ( RTC_GEOMETRY_TYPE_TRIANGLE ), quad meshes ( RTC_GEOMETRY_TYPE_QUAD ), curves ( RTC_GEOMETRY_TYPE_CURVE ), points ( RTC_GEOMETRY_TYPE_POINT ), and subdivision geometries ( RTC_GEOMETRY_TYPE_SUBDIVISION ), the number of time steps directly corresponds to the number of vertex buffer slots available ( RTC_BUFFER_TYPE_VERTEX buffer type). For these geometries, one vertex buffer per time step must be specified when creating multi-segment motion blur geometries.

For instance geometries ( RTC_GEOMETRY_TYPE_INSTANCE ), a transformation must be specified for each time step (see rtcSetGeometryTransform ).

For user geometries, the registered bounding callback function must provide a bounding box per primitive and time step, and the intersection and occlusion callback functions should properly intersect the motion-blurred geometry at the ray time.

EXIT STATUS

On failure an error code is set that can be queried using rtcGetDeviceError .