ronin/examples/demo/fog.lisp
2019-07-24 20:29:03 +09:00

28 lines
628 B
Common Lisp

;
(resetTransform)
(clear)
;
(def w (of (frame) :c))
(def h (of (frame) :m ))
(def mouse-pos (pos))
(def prev-pos (pos))
;
(defn when-mouse-move (e) (
(set mouse-pos :x (of e :x))
(set mouse-pos :y (of e :y))
))
;
(defn when-animate () (
(stroke (line (of prev-pos :x) (of prev-pos :y) (of mouse-pos :x) (of mouse-pos :y)) 4 "#72dec2")
(move w h)
(rotate 0.002)
(scale 0.998)
(translate (frame) (pos (mul -1 w) (mul -1 h)))
(resetTransform)
(fill (frame) "#00000004")
(set prev-pos :x (of mouse-pos :x))
(set prev-pos :y (of mouse-pos :y))
))
;
(on "animate" when-animate)
(on "mouse-move" when-mouse-move)