GuruBlog

ronin switched from an amiation loop to a event based animation system which allow cool stuff like initalizing code for the animation or reference objects that get preserved between frames. And it also makes it a lot easier to interact between the animation callback function and other event sources like osc events or mouseclicks

this is my first event based animation:

(def pos {:x 30 :y 30})

(defn draw () (
(clear)
(times 10 (lambda (a) (
(def r (mul a (mod (time 0.02) 40)))
(stroke
(circle (of pos :x) (of pos :y) r)
(sub 11 a) "white")
)))

(if (lt (mod (time 0.02) 40) 1) (
 (set pos :x (random (of (frame) :w)) :y (random (of (frame) :h)))
))
))

(on "animate" draw)