Lighting & surfaces · 2 / 10
GGX / Trowbridge–Reitz Distribution
粗さによって変わる反射の広がりを表す。
Compare in motion
Interactive model
回る粗い金属
AReference
狭いハイライト
BGGX / Trowbridge–Reitz Distribution100%
粗さで光沢の広がりが変わる
Scrub to pause and inspect. At 0%, B matches A; at 100%, B shows the effect. The scene repeats every 8 seconds.
Look for: 粗さに応じた反射を評価 → 幅の広いハイライト。
This model simplifies the technique to show its use case and effect. Operation counts describe the model; they are not performance measurements.
Read the storyboard
例: 回る粗い金属
1. Start
小さなハイライト
2. Change
粗さに応じた反射を評価
3. Result
幅の広いハイライト
How it works
1. Input
粗さと微小面
2. Process
GGX 分布で反射を積算
3. Result
粗さで変わるハイライト
Further reading
Filament Material System ↗A general reference for this subcategory.