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  1. #極座標を直行座標に変換するメソッド。
  2. #r = 半径, degree = 角度(度数)
  3. #戻り値 = X座標, Y座標
  4. def toRectangular(r, degree)
  5.     radian = degree * Math::PI / 180 #まずラジアンに変換しないといけないわけで。
  6.     x = r * Math.cos(radian)
  7.     y = r * Math.sin(radian)
  8.     return x, y
  9. end
  10.  
  11.  
  12. #上のメソッドを実際に使うスクリプト。
  13. for i in 0..360
  14.     ax, ay = toRectangular(50, i)
  15.     ax = ax.round + 160
  16.     ay = ay.round + 120
  17.     print ax.to_s + ", " + ay.to_s + "\n"
  18. end
  19. #・・・で、下の方に結果がでてる。
Success #stdin #stdout 0.01s 4716KB
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https://ideone.com/z2NzSI
language:
Ruby (ruby 2.5.5)
created:
11 years ago
visibility:
secret

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