How to convert a float array to byte array in c#?

Question

I want to convert a float array to a byte array to send it via socket to a python script. (Im doing this in the Unity engine).

I tried:

float[] myArray = {0.0f, 0.0f, 0.0f};

int len = myArray.Length;
byte[] bytes = new byte[len];
int x = 0;

foreach(float f in bytes){
  byte[] t = System.BitConverter.GetBytes(f);
  for(int y = 0; y<4); y++){
    bytes[y + x] = t[y];
    x += 4;
  }
}

The output is this:

Assets\PlayerScript.cs(106,27): error CS1002: ; expected

Assets\PlayerScript.cs(106,33): error CS1002: ; expected

Assets\PlayerScript.cs(106,33): error CS1513: } expected

Im not used to work with c# and cant get it to work... I also looked at some other stackoverflow code but that didnt really help.

There is an extra ) after y<4

Klaus Gütter
– Klaus Gütter

2019-09-29 11:22:38 +00:00
Commented Sep 29, 2019 at 11:22 — Klaus Gütter
– Klaus Gütter, Commented Sep 29, 2019 at 11:22

jdweng · Accepted Answer · 2019-09-29 10:41:19Z

1

Try following :

           float[] myArray = {0.0f, 0.0f, 0.0f};

           int len = myArray.Length;
           List<byte> bytes = new List<byte>();

           foreach (float f in myArray)
           {
               byte[] t = System.BitConverter.GetBytes(f);
               bytes.AddRange(t);
           }
           byte[] byteArray = bytes.ToArray();

answered Sep 29, 2019 at 10:41

jdweng

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