27 lines
541 B
CoffeeScript
27 lines
541 B
CoffeeScript
NUM_POINTS = 100
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MIN_R = 10
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MAX_R = 15
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random_circle_points = ->
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rand_point = ->
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Math.floor (Math.random() * (MAX_R * 2 + 1) - MAX_R)
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points = {}
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cnt = 0
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while cnt < 100
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x = rand_point()
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y = rand_point()
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continue unless MIN_R * MIN_R <= x*x + y*y <= MAX_R * MAX_R
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points["#{x},#{y}"] = true
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cnt += 1
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points
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plot = (points) ->
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range = [-1 * MAX_R .. MAX_R]
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for y in range
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s = ''
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for x in range
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s += if points["#{x},#{y}"] then '*' else ' '
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console.log s
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plot random_circle_points()
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