Weighted random c#

public static readonly int RATIO_CHANCE_A = 10;
public static readonly int RATIO_CHANCE_B = 30;
//                         ...
public static readonly int RATIO_CHANCE_N = 60;

public static readonly int RATIO_TOTAL = RATIO_CHANCE_A
                                       + RATIO_CHANCE_B
                                         // ...
                                       + RATIO_CHANCE_N;

Random random = new Random();
int x = random.Next(0, RATIO_TOTAL);

if ((x -= RATIO_CHANCE_A) < 0) // Test for A
{ 
     do_something1();
} 
else if ((x -= RATIO_CHANCE_B) < 0) // Test for B
{ 
     do_something2();
}
// ... etc
else // No need for final if statement
{ 
     do_somethingN();
}

Source: stackoverflow.com

Similar codes

47 votes250 views6 answers
C# print to console
C#
31 votes268 views3 answers
Raycast unity
C#Unity
0 vote274 views1 answer
Static initializer
C#
0 vote287 views1 answer
Asp.net throw unauthorized exception
C#
29 votes294 views4 answers
Unity key detection
C#Unity
0 vote254 views1 answer
List of 2 different iherent classes c#'
C#
0 vote250 views1 answer
Wpf bind to self
C#
0 vote279 views1 answer
How to add a variable in unity c#
C#Unity
0 vote240 views2 answers
Timespan format string c#
C#
0 vote259 views1 answer
Add dynamic value in startup file in .net core api
C#