EffectNew

Murmuration

A starling murmuration: thousands of dark dots in a flowing, folding cloud that stretches, twists and drifts across the sky.

Parameters

Name	Type	Default	Range	What it does
count (Can change over time)	number	1500	100 to 2000	how many birds are in the flockCan change over time
at	vec2	200, 420	-4000 to 4000 m	the middle of the flock's wandering, metres along the shore and inland of home's door
height	number	110	10 to 600 m	how high the flock flies above the ground
size	number	130	20 to 600 m	how big the flock is: the length of its cloud when stretched out
wander	number	90	0 to 400 m	how far the flock drifts about its middle; 0 holds it in place
fold	number	0.75	0 to 1	how much the cloud stretches, folds and twists; 0 is a steady blob
tempo	number	1	0.3 to 2	how fast the flock changes shape, as a multiple of the usual: 1 reshapes about every ten seconds
viewDistance	number	380	30 to 4000 m	how far the camera is from the flock; each bird is drawn at least 2 pixels, so a bird here is a dot a few metres wide
colour	color	#1c1d22	–	the colour of the birds: dark against a bright sky, pale against a dark one

film.js

elements: { 'murmuration': { count: 1500, at: [200, 420] } }

Ask your agent to put it in a film. It finds the element by name.