smooth()
Draws certain features with smooth (anti-aliased) edges.
smooth() is active by default. noSmooth() is helpful for scaling up images without blurring.
Examples

function setup()
size(400, 400)
background(0)
noSmooth()
text("noSmooth",90,80)
ellipse(120, 192, 144, 144)
smooth()
text("smooth",250,80)
ellipse(280, 192, 144, 144)
describe("Two white circles, drawn with smooth() and noSmooth()")
end
Syntax
smooth()