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Size: 856 Bytes
Versions: 22
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Stored size: 856 Bytes
Contents
# frozen_string_literal: true
# This class demonstrates how by inheriting from the abstract class LibraryProxy
# we can access 'keyEvent' and 'draw' (Note we need a draw method even
# though can be empty)
class MyLibrary < LibraryProxy
java_import 'processing.event.KeyEvent'
attr_reader :app
def initialize(parent)
@app = parent
end
def draw # optional
fill app.color(200, 0, 0, 100)
app.rect 100, 100, 60, 90
end
# favor guard clause no_op unless key pressed
# and no_op unless ascii key
def keyEvent(e) # NB: need camel case for reflection to work
return unless e.get_action == KeyEvent::PRESS
return if e.get_key > 122 # else we can't use :chr
case e.get_key.chr.upcase
when 'S'
app.send :hide, false
when 'H'
app.send :hide, true
else
puts e.get_key.chr
end
end
end
Version data entries
22 entries across 22 versions & 2 rubygems