xac_interface_scene_elements_particle_volume_doc.h

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/******************************************************************************
 * Copyright 2023 NVIDIA Corporation. All rights reserved.
 *****************************************************************************/
 
namespace nv {
namespace index {
namespace xac {
 
struct Sample_info_pvol : Sample_info
{
    float3          sample_normal;
 
    uint            particle_index;
};
 
class Particle_volume
{
public:
    typedef Sample_info_pvol        Base_info_type;
 
    uint                get_light_id() const;
 
    uint                get_material_id() const;
 
    const float3&       get_dataset_bbox_min() const;
 
    const float3&       get_dataset_bbox_max() const;
 
    const Mat4x4f&      get_scene_to_object_transform() const;
 
    const Mat4x4f&      get_scene_to_object_transform_inverse() const;
 
    template<typename Attrib_type>
     Attrib_type         fetch_attribute(
        const uint attrib_idx,
        const uint particle_idx) const;
}; // class Particle_volume
 
} // namespace xac
} // namespace index
} // namespace nv