19 lines
396 B
Common Lisp
19 lines
396 B
Common Lisp
; this demo shows how to use the mouse events.
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(defn redraw
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(e)
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(
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(clear)
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; vertical line
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(stroke (line e:x 0 e:x e:y) 2 "#ff0000")
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; horizontal line
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(stroke
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(line 0 (of e :y) e:x e:y) 2 "#72dec2")
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; circle
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(stroke
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(circle
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e:x
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e:y 30) 2 "#ffffff")))
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;
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(on "mouse-down" redraw)
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(on "mouse-up" redraw)
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(on "mouse-move" redraw) |