Interactive Simulator — Particles · Sand/Water · Soft‑Bodies · Boids · Cloth
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Simulation
Particles (gas)
Falling Sand / Water
Soft‑Body Solids
Boids (flocking)
Cloth (fabric)
Count
300
Interaction Radius
110
px
Speed
1.0
x
Link Distance
90
px
Cell Size
5
px
Brush Size
6
Material
Sand
Water
Oil (light)
Stone
Eraser
Perception
80
px
Separation
1.2
Alignment
0.8
Cohesion
0.6
Cols × Rows
22
×
14
Spacing
16
px
Toggles
Attract
Repel
Links
Trails
Gravity
Rain
Wrap
Move mouse / touch
Click
burst (gas)
R
reset
Drag
paint (sand/water/oil)
Tip: right‑click = erase