Double-click canvas

Left: plant gravity well (max 5)  ·  Right: remove nearest well

Mode tips

• Attract — Hold left mouse button to triple force
• Repel — Right-click to flip to attract
• Vortex — Right-click reverses spin direction
• Draw — Click & drag to paint particles
• Explode — Click anywhere for a blast wave
• Black Hole — Particles pulled in and consumed

Touch

Tap = click  ·  Pinch = scale influence radius  ·  Two-finger swipe = cycle mode