COMMAND GUIDE
🖐 ONE HAND GESTURES
✌ Two fingers (idx+mid) — Zoom in/out (spread/close)
☝ Index only — Air write (pen must be ON)
✋ Open hand — Repel particles
✊ Fist (all down) — Stop auto-cycle
🤏 Pinch (thumb+idx) — Fine zoom
🤲 TWO HAND GESTURES
✋ + ✌ swipe — 3D orbit (Blender-style)
✋ + triple tap idx — Spawn second shape
✊ + ✋ — Next shape
Smash idx+mid on hand — Toggle pen ON/OFF
Zigzag fist — Eraser mode
🎯 ACTIVATION (which shape to control)
Left hand raised ✋ — Control Shape 1
Right hand raised ✋ — Control both shapes
Both hands raised ✋✋ — Control both shapes
🎙 VOICE COMMANDS (say aloud)
"show my screen" — Show camera view
"dismiss" — Hide camera view
"pen on" / "pen off" — Toggle pen
"clear" — Clear drawing
"next shape" — Switch shape
"zoom in" / "zoom out"
"second shape" — Spawn shape 2
"eraser" — Toggle eraser
"stop" — Stop auto-cycle
"start" — Start auto-cycle
"reset" — Reset everything
⌨ KEYBOARD
P — Toggle pen | C — Clear | V — Toggle voice | G — Guide