Place fields by clicking on the canvas. Vortexes spin; Radial pushes/pulls depending on strength sign; Wind pushes in one direction.
Mouse Action
Left click = attract / Right click = repel. Move translates items by mouse delta while inside radius.
Hex Value #RRGGBB 1-F
Black holes pull particles in. White holes push particles out. Wormholes: first click creates entrance (black), second click creates exit (white) and links them.
Arrows show velocity direction and scale with speed. Heatmap blends from cold→hot based on speed. You can change the cold/hot hex values above.