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18 lines
524 B
Plaintext
18 lines
524 B
Plaintext
use "canvasfx"
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use "std"
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w = 800 h = 600
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window("JavaFX Event handler example", w, h)
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addEventHandler(Events.MOUSE_MOVED, ::onMouseMoved)
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addEventHandler(Events.MOUSE_DRAGGED, ::onMouseMoved)
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addEventHandler(Events.KEY_PRESSED, def(e) {
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if (e.code == KeyCode.C) clearRect(0, 0, w, h)
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})
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def onMouseMoved(e) {
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setFill(Color.rgb(rand(255), rand(255), rand(255), rand()))
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m = 1 + e.isPrimaryButtonDown + e.isSecondaryButtonDown
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radius = m * rand(30, 50)
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fillOval(e.x - radius/2, e.y - radius/2, radius, radius)
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} |