Sha256: a060afac1574b3ae1e7713023bf74fdaa6b933b577bb6eb2a00a0067e6a3583f
Contents?: true
Size: 992 Bytes
Versions: 10
Compression:
Stored size: 992 Bytes
Contents
# The logical operators for AND (&&) and OR (||) are used to
# combine simple relational statements into more complex expressions.
# The NOT (!) operator is used to negate a boolean statement.
def setup
size 640, 360
background 156
op = false
(5...width).step(5) do |i|
stroke 0
# Logical AND
if (i > 35) && (i < 100)
line width / 4, i, width / 2, i
op = false
end
stroke 76
# Logical OR
if (i <= 35) || (i >= 100)
line width / 2, i, width, i
op = true
end
# Testing if a boolean value is "true"
# The expression "if op" is equivalent to "if (op == true)"
if op
stroke_weight 2
stroke 0
point width / 3, i
end
# Testing if a boolean value is "false"
# The expressions "unless op" or "if !op" are equivalent to "if (op == false)"
unless op
stroke_weight 3
stroke 255
point width/4, i
end
stroke_weight 1
end
end
Version data entries
10 entries across 10 versions & 1 rubygems