mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-25 12:25:10 -08:00
29 lines
521 B
Ruby
29 lines
521 B
Ruby
def intro
|
|
puts " 3D PLOT
|
|
CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n\n\n\n\n"
|
|
end
|
|
|
|
def fna(z) = 30 * Math.exp(-z * z / 100)
|
|
|
|
def render
|
|
(-30..30).step(1.5).each do |x|
|
|
l = 0
|
|
y1 = 5 * (Math.sqrt(900 - x * x) / 5).to_i
|
|
y_plot = " " * 80
|
|
(y1..-y1).step(-5).each do |y|
|
|
z = (25 + fna(Math.sqrt(x * x + y * y)) - 0.7 * y).to_i
|
|
next if z <= l
|
|
l = z
|
|
y_plot[z] = '*'
|
|
end
|
|
puts y_plot
|
|
end
|
|
end
|
|
|
|
def main
|
|
intro
|
|
render
|
|
end
|
|
|
|
main
|