SCORE
0
WAVE
1
LIVES
❤️❤️❤️❤️❤️
Active Gesture
— no hand —
show a gesture
Hold pose 0.5 s to fire
Command Guide
✊
Fist
Explosion AOE
🖐️
Open Palm
Shield Wall
☝️
Point
Precision Laser
✌️
Peace
2-way Spread
🖖
3 Fingers
Triple Barrage
🤘
Rock On
Chain Lightning
👍
Thumbs Up
Freeze All
Pose Detection
Rule-Based
No ML Model
21 Landmarks
Geometry Only
Each finger is classified extended/curled by comparing tip-to-wrist distance vs. PIP-to-wrist distance — rotation-invariant geometry. Thumb uses normalized y-axis vs. palm centroid. Same principle as pose-based action recognition in animal behavior studies.