UV & materials · 2 / 10
Polar Coordinates
位置を距離と角度で扱い魔法陣や渦を描く。
Compare in motion
Interactive demo
魔法陣の模様
AReference
角度を固定する
BPolar Coordinates100%
円形の模様を回転させやすい
Scrub to pause and inspect. At 0%, B matches A; at 100%, B shows the effect. The scene repeats every 8 seconds.
Look for: 角度を時間で進める → 円周方向に回転。
A small visual example of a game use case. Games combine these techniques with assets and other effects.
Read the storyboard
例: 魔法陣の模様
1. Start
円環が静止
2. Change
角度を時間で進める
3. Result
円周方向に回転
How it works
1. Input
平面座標 x・y
2. Process
半径 r・角度 θ に変換
3. Result
円環・放射状の模様
Further reading
Unreal Engine Material Coordinates ↗A general reference for this subcategory.