ludus::content::scene_format::LightRecord¶

Struct

Version 3 to 6 analytic light. Scene world distances are metres. RGB values are a fixed Rec.709 luminance-normalized proxy, rather than PBRT spectral power. Spot inner cosine is strictly greater than outer cosine.

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h

#include <ludus/content/scene_format/luscn.h>

struct ludus::content::scene_format::LightRecord final

Fields¶

SourceId¶

uint64 ludus::content::scene_format::LightRecord::SourceId

Stable nonzero identity unique among analytic lights.

Related types: uint64

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h

Kind¶

uint32 ludus::content::scene_format::LightRecord::Kind

LIGHT_DIRECTIONAL, LIGHT_POINT or LIGHT_SPOT.

Related types: uint32

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h

Flags¶

uint32 ludus::content::scene_format::LightRecord::Flags

Zero or LIGHT_ENABLED; unknown bits are invalid.

Related types: uint32

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h

IntensityRgb¶

float32 ludus::content::scene_format::LightRecord::IntensityRgb[3][3]

Nonnegative lux (directional) or candela (point/spot).

Related types: float32

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h

PositionWorld¶

float32 ludus::content::scene_format::LightRecord::PositionWorld[3][3]

Position in metres, components [-1e6,1e6]; irrelevant for directional.

Related types: float32

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h

DirectionWorld¶

float32 ludus::content::scene_format::LightRecord::DirectionWorld[3][3]

Nonzero outgoing direction; normalized by adapter.

Related types: float32

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h

Range¶

float32 ludus::content::scene_format::LightRecord::Range

Attenuation/shadow range in metres, [.01,1e6].

Related types: float32

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h

InnerCos¶

float32 ludus::content::scene_format::LightRecord::InnerCos

(-1,1], inner full-intensity cone cosine.

Related types: float32

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h

OuterCos¶

float32 ludus::content::scene_format::LightRecord::OuterCos

(-1,InnerCos), outer zero-intensity cone cosine.

Related types: float32

Declared in modules/content/scene_format/include/ludus/content/scene_format/luscn.h