Marionette Harness

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fps–

hands0 / 2

trackingLOST

head string–% of view

camera (video source)

quality (higher = sharper but heavier detection)

swing range 1.00 (screen reach; 1.0 = full width/height)

play margin 0.10 (inset camera→play; central area fills canvas, margin overshoots offscreen; 0 = edge-to-edge)

gravity 20.0 (low = floaty, high = snappy)

drag 0.4 (air resistance; low = falls naturally, high = floats but settles fast)

weight 4.0 (puppet heaviness; more mass = more string tension)

string friction 8.0 (joint friction; low = floppy, high = stiff/settles but laggy)

smoothing 0.01 (glides controls between detections; 0 = snap/jumpy, high = smooth but laggy)

debug: physics lines (raw engine segments + stretch%; costs fps)

Bring a puppet alive: raise a hand over the outline above a puppet and hold still until the strings attach. Each fingertip is a string — five control points numbered 1–5 follow your fingers and each pulls one body part. Both of a puppet's strings and dots share its team colour (rust on the left, teal on the right); the numbers — not the colour — tell the fingers apart.

The binding mirrors per hand so the strings never cross: for the hand on the right of screen, 1 thumb → screen-left hand · 2 index → screen-left foot · 3 middle → head · 4 ring → screen-right foot · 5 pinky → screen-right hand; the other hand's binding is the left/right mirror.

Move your whole hand to move the puppet; spread or curl individual fingers to work the limbs. Keep each hand on its own half. A hand leaving the camera cuts the strings.