Drag to stir dye and velocity into the fluid. Click empty space to drop a circular obstacle; drag an obstacle to move it. Shift-click or right-click an obstacle to remove it.
Keys: space pause · r reset · c clear · v vectors · i inlet.
– fps
– grid
– ms/step
Drag to stir the fluid. Click to place an obstacle, drag it to move it, shift-click to remove.
The Inlet button toggles the steady wind-tunnel stream that's running now.