mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-23 07:29:02 -08:00
28 lines
520 B
Ruby
28 lines
520 B
Ruby
def intro
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puts " 3D PLOT
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CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n\n\n\n\n"
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end
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def fna(z) = 30 * Math.exp(-z * z / 100)
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def render
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(-30..30).step(1.5).each do |x|
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l = 0
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y1 = 5 * (Math.sqrt(900 - x * x) / 5).to_i
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y_plot = " " * 80
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(y1..-y1).step(-5).each do |y|
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z = (25 + fna(Math.sqrt(x * x + y * y)) - 0.7 * y).to_i
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next if z <= l
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l = z
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y_plot[z] = '*'
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end
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puts y_plot
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end
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end
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def main
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intro
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render
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end
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main |