Sampling & distribution · 6 / 10
Uniform Disk / Concentric Mapping
円の面積に対して均等な点を選ぶ。
Compare in motion
Interactive demo
円内の着弾
AReference
半径を一様に選ぶ
BUniform Disk / Concentric Mapping100%
中心だけに偏らない着弾になる
Scrub to pause and inspect. At 0%, B matches A; at 100%, B shows the effect. The scene repeats every 8 seconds.
Look for: 円の面積で均一に選ぶ → 円内へ散らばる。
A small visual example of a game use case. Games combine these techniques with assets and other effects.
Read the storyboard
例: 円内の着弾
1. Start
中心に点が寄る
2. Change
円の面積で均一に選ぶ
3. Result
円内へ散らばる
How it works
1. Input
円盤の面積
2. Process
同心円写像などで選ぶ
3. Result
円盤上で均一な点
Further reading
Fast Poisson Disk Sampling in Arbitrary Dimensions ↗A general reference for this subcategory.