Distance fields & implicit shapes · 1 / 10
Signed Distance Field / SDF
表面までの距離と内外で形を表す。
Compare in motion
Interactive demo
脈動する輪郭
AReference
固定した輪郭
BSigned Distance Field / SDF100%
場の閾値から形が変わる
Scrub to pause and inspect. At 0%, B matches A; at 100%, B shows the effect. The scene repeats every 8 seconds.
Look for: 距離値に時間変化を加える → 輪郭が膨らむ。
A small visual example of a game use case. Games combine these techniques with assets and other effects.
Read the storyboard
例: 脈動する輪郭
1. Start
距離ゼロの境界
2. Change
距離値に時間変化を加える
3. Result
輪郭が膨らむ
How it works
1. Input
空間内の位置
2. Process
表面までの符号付き距離
3. Result
内外と境界
Further reading
Unreal Engine Mesh Distance Fields ↗A general reference for this subcategory.