static void Main(string[] args)
{
Rectangular uxxankyun = new Rectangular(10, 20, "uxxankyun");
Console.WriteLine(uxxankyun.Area());
Triangel erankyun = new Triangel(10, 20, "erankyun");
Console.WriteLine(erankyun.Area());
Circule shrjan = new Circule(10, "shrjan");
Console.WriteLine(shrjan.Area());
Console.ReadKey();
}
public Shape GetShape(int type)
{
switch (type)
{
case 0:
return(new Rec(10 * r.NextDouble(), 10 * r.NextDouble()));
case 1:
return(new Square(10 * r.NextDouble()));
case 2:
//三角形的生成还需要判断
Triangel t = new Triangel(10 * r.NextDouble(), 10 * r.NextDouble(), 10 * r.NextDouble());
while (!t.isLegal())
{
t = new Triangel(10 * r.NextDouble(), 10 * r.NextDouble(), 10 * r.NextDouble());
}
return(t);
default:
return(null);
}
}