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23 lines
532 B
23 lines
532 B
2 years ago
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class Material:
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def __init__(self, ID, density):
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self.ID = ID
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self.density = density
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DB = []
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@staticmethod
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def GetMaterialIDs():
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result = []
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for m in Material.DB:
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result.append(m.ID)
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return result
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@staticmethod
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def Get(ID):
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for m in Material.DB:
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if m.ID == ID: return m
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return None
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Material.DB.append(Material('Stainless steel', density = 8.00))
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Material.DB.append(Material('Aluminium', density = 2.71))
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