Sha256: 287c0179f1a1e3e3ed1152bfaa05c6e703dee67586390c205f4e3c9d9c0020b4
Contents?: true
Size: 638 Bytes
Versions: 10
Compression:
Stored size: 638 Bytes
Contents
# Functions.
#
# The drawTarget() function makes it easy to draw many distinct targets.
# Each call to drawTarget() specifies the position, size, and number of
# rings for each target.
def setup
size 640, 360
no_stroke
no_loop
end
def draw
background 51
draw_target width * 0.25, height * 0.4, 200, 4
draw_target width * 0.50, height * 0.5, 300, 10
draw_target width * 0.75, height * 0.3, 120, 6
end
def draw_target ( x, y, size, num )
greys = 255 / num
steps = size / num
(0...num).each do |i|
fill color(greys * i)
ellipse x, y, size - i*steps, size - i*steps
end
end
Version data entries
10 entries across 10 versions & 1 rubygems