Character animation · 3 / 10
Forward And Backward Reaching IK
関節を往復して触手や鎖を目標へ伸ばす。
Compare in motion
Interactive model
伸びる触手
AReference
固定した触手
BForward And Backward Reaching IK100%
長い関節列を目標へ伸ばせる
Scrub to pause and inspect. At 0%, B matches A; at 100%, B shows the effect. The scene repeats every 8 seconds.
Look for: 関節を前後に往復して配置 → 先端が目標へ近づく。
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: 伸びる触手
1. Start
先端が遠い
2. Change
関節を前後に往復して配置
3. Result
先端が目標へ近づく
How it works
1. Input
関節列と目標位置
2. Process
前後に往復して関節を置く
3. Result
先端が届く鎖
Further reading
Unreal Engine IK Rig Solvers ↗A general reference for this subcategory.