What the vectors show
sight cone — a narrow cone, 5.5 m
smell cone — nearly spherical, 8 m, imprecise direction
hearing cone — 9 m, only moving or noisy bodies
touch cone — on contact only
A cone lights up the moment that sense picks something up.
line to the food it senses
line to the creature it senses
Drawn where the creature believes it is: with the noise of smell the line misses its mark.
arrow — the direction the brain chose
As long as the speed it wants, coloured by mental state: wandering, feeding, hunting, attacking, fleeing.
line to the target cell chosen for the attack
Direct editing of the body
clickselect the cell under the pointer: it gets ringed
paletteclick a cell in the panel to attach it to the selected cell
go up to the parent cell
go down to the first child
← →cycle the siblings, wrapping around at the last
cancremove the cell: its children pass to the grandparent
the parent  the siblings  the cell and its descendants
With Edit off, the palette adds wherever the body needs it, following its own priorities.
CELLS
starting the culture…