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require 'ruby2d'
set title: "Ruby 2D — Contains", height: 350
if RUBY_ENGINE == 'opal'
media = "../test/media"
font = "sans-serif"
else
media = "media"
font = "#{media}/bitstream_vera/vera.ttf"
end
objects = []
objects.push Square.new(50, 50, 100)
objects.push Rectangle.new(200, 50, 100, 75)
objects.push Quad.new(350, 50, 500, 75, 450, 150, 375, 125)
objects.push Triangle.new(550, 50, 600, 125, 500, 150)
objects.push Line.new(225, 175, 375, 225, 20)
objects.push Image.new(50, 200, "#{media}/colors.png")
objects.push Text.new(450, 200, "Hello", 50, font)
on :key_down do |event|
close if event.key == 'escape'
end
update do
objects.each do |o|
o.contains?(get(:mouse_x), get(:mouse_y)) ? o.opacity = 1.0 : o.opacity = 0.5
end
end
show
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