Sha256: c95ed21f3d004130c6b93d0e6955fe7e9f062d58d578543748265516258261d7
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Size: 1.28 KB
Versions: 10
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Stored size: 1.28 KB
Contents
# Modified from code by Martin.
# Original 'Color Typewriter' concept by John Maeda.
#
# Click on the window to give it focus and press the letter keys to type
# colors. The keyboard function keyPressed() is called whenever a key is
# pressed.
MAX_HEIGHT = 40
MIN_HEIGHT = 20
NUM_CHARS = 26
attr_reader :colours, :letter_width, :letter_height, :x, :y
attr_reader :new_letter
def setup
size(640, 360)
@letter_width = MIN_HEIGHT
@letter_height = MAX_HEIGHT
@x = -letter_width
@y = 0
@new_letter = false
color_mode(HSB, NUM_CHARS)
background(NUM_CHARS / 2)
@colours = []
NUM_CHARS.times do |i|
colours << color(i, NUM_CHARS, NUM_CHARS)
end
end
def draw
if new_letter
if letter_height == MAX_HEIGHT
rect( x, y, letter_width, letter_height )
else
rect( x, y + MIN_HEIGHT, letter_width, letter_height )
end
@new_letter = false
end
end
def key_pressed
if ('A'..'z').include? key
key_index = key.ord - (key <= 'Z' ? 'A'.ord : 'a'.ord)
fill colours[key_index]
@letter_height = (key <= 'Z' ? MAX_HEIGHT : MIN_HEIGHT)
else
fill 0
letter_height = 10
end
@new_letter = true
# update letter position
@x += letter_width
# wrap vertically
if (x > width - letter_width)
@x = 0
@y += MAX_HEIGHT
end
end
Version data entries
10 entries across 10 versions & 1 rubygems