blackhole A well, an accretion disk, an event horizon, and lensing.
A dramatic focal element — the field pours in, circles, and is swallowed.
API reference
Presets
A preset expands to several co-located bodies — one primitive each, sharing the element's rectangle. It's pure composition: the engine never grows to add one.
Usage
HTML
<div data-preset="blackhole"></div>The 8 presets
whitehole An emission horizon that throws matter out.
A source that only emits — the field is pushed away and downwind.
star Hydrostatic equilibrium — gravity balanced by thermal pressure.
A balanced body — gravity’s pull held off by thermal pressure.
quasar An accreting black hole with polar jets.
An accreting core with bright jets firing from its poles.
galaxy A spiral disk that settles into a plane.
A spiral that winds the field into arms and settles into a disk.
nebula A warm, slow cloud with rising wisps.
A warm, slow cloud — the field churns and light wisps rise.
tornado A funnel with an updraft, calmed at the edges.
A funnel that swirls the field up its axis, ragged at the edges.
fountain A class-[S] source jetting matter up, arcing home under gravity.
A literal fountain — matter sprays upward and falls back in an arc.