precip

set 0× in templates and rigs

Weather in a box: rain, snow, sand or ash, each flake drawn stretched along its velocity, with rings or settled flakes on an optional floor and a low drift layer; a pure function of scene time.

precip(blur=1 color=#ffffff color-ember=#ffffff)

Attributes

blurnumber0×

colorcolour #rrggbb0×

color-embercolour #rrggbb0×

countnumberHow many flakes, up to 20000 (default per type).0×

driftnumber0..1, a low layer of wind-driven streams along the floor, as a share of `count` (default 0.3 for sand, else 0).0×

drift-heightnumber0×

drift-speednumber0×

embernumber0×

everynumber0×

exposurenumberSeconds of motion a streak spans: long faint near the lens, short sharp far off (default per type).0×

fadenumberSeconds it takes to fade out (default 1.2).0×

fallnumbermm/s down (default per type).0×

flakenumberA flake's diameter, mm (default per type).0×

floornumbery of a flat floor in the node's own space, where flakes end and marks land (default none).0×

flutternumber0×

flutter-ratenumber0×

gustnumber0..1, how much the wind surges and bands the air into thick and thin (default per type).0×

holdnumberSeconds it stands (default 100000: for good).0×

looptrue / false0×

mark-opacitynumber0×

mark-sizenumber0×

marksnumberHow many rain rings or settled flakes lie on the floor, up to 2000; needs `floor` (default per type).0×

nearnumber0×

opacitynumber0×

seednumber0×

settlenumber0×

size"x y z"The box `x y z`, mm; x and z centred on the node, y from the node up (default 2600 1200 2000).0×

speed-varnumber0×

startnumberWhen it fades in, seconds (default 0).0×

travelnumberSeconds it takes to fade in (default 0.8).0×

tumblenumber0×

typetextrain, snow, sand or ash; sets the default of every other attribute (default rain).0×

wind"x y z"mm/s: `x y z`, `x z`, or a number along +x, in the node's own axes (default per type).0×