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working on-animate example #131

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working on-animate example #131

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8adb4cd
Update on-animate.lisp
SushilRagoonath Jul 9, 2020
9149f46
Update on-animate.lisp
SushilRagoonath Jul 9, 2020
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47 changes: 27 additions & 20 deletions examples/events/on-animate.lisp
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Original file line number Diff line number Diff line change
@@ -1,9 +1,10 @@
; this demo shows how to use the animate event to animate lines into a sine wave.

;
(def seg-count 50)
;
(def seg-width
(div frame:w seg-count))
(div frame:w seg-count))
;
(defn elevation
(i)
Expand All @@ -13,29 +14,35 @@
(add
(time 0.001)
(div i 5)))
(div frame:h 5)) frame:m))
(div frame:h 5)) 300))
;
(defn draw-dash
(i)
(
(def x
(mul
(sub i 1) seg-width))
(def y
(elevation i))
(stroke
(line x
(elevation
(sub i 1))
(add x seg-width)
(if
(gt i 0)
(
(def x
(mul
(sub i 1) seg-width))
(def y
(elevation i))
(gradient
(line 50 0 frame:w 0)
("#ffb545" "#72dec2")) 4 )))
(stroke
(line x
(elevation
(sub i 1))
(add x seg-width)
(elevation i))
(gradient
(line 50 0 frame:w 0)
("#ffb545" "#72dec2")) 4)
(draw-dash
(sub i 1))) ))

;
(defn redraw
()
(defn redraw ()
(

(clear)
(times seg-count draw-dash)))
(on "animate" redraw)
(draw-dash seg-count)))

(on "animate" redraw)