speed = 0.666
liquid = () => osc(.2, .5, .03)
.diff(osc(2, .8)
.rotate(.3))
.modulateScale(noise(3, .25)
.modulateScale(osc(5)
.rotate(() => Math.sin(time / 2))), 6)

.color(.8, .75, 3)
//.brightness(.01)
.contrast(2)
.modulateScale(osc(2), 2)
.rotate(10, .001)
.scale(0.85)
liquid()
.r([-0.5, 1].smooth())
.add(liquid()
.scale([.75, 1.25].smooth())
.mask(shape(4, .75).scale(1.15, 9/12)))
.out()