Volume & atmosphere · 1 / 10
Volume Ray Marching
視線に沿って密度と光を積み重ね雲や霧を描く。
Compare in motion
Interactive model
立体の雲
AReference
一枚の平らな雲
BVolume Ray Marching100%
平面の板より体積のある煙になる
Scrub to pause and inspect. At 0%, B matches A; at 100%, B shows the effect. The scene repeats every 8 seconds.
Look for: 視線上の密度と光を積算 → 奥行きのある雲が流れる。
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: 立体の雲
1. Start
薄い密度の層
2. Change
視線上の密度と光を積算
3. Result
奥行きのある雲が流れる
How it works
1. Input
光線と三次元密度
2. Process
視線に沿って散乱を積算
3. Result
奥行きのある雲・霧
Further reading
Unreal Engine Sky Atmosphere ↗A general reference for this subcategory.