Debug compute buffer

debugComputeBuffer.cs

//
// Debug Compute Buffer
// When you define a struct/class,
// please use override ToString(), public override string ToString() => $"MpmParticle(position={position}, velocity={velocity})";
//
// debugging range is startIndex <= x < endIndex
// example: 
//    Util.PrintBuffer<uint2>(this.particlesBuffer, 1024, 1027); 
//
public static void PrintBuffer<T>(ComputeBuffer buffer, int startIndex, int endIndex) where T  : struct
{
    int N = endIndex - startIndex;
    T[] array = new T[N];
    buffer.GetData(array, 0, startIndex, N);
    for (int i = 0; i < N; i++)
    {
        Debug.LogFormat("index={0}: {1}", startIndex + i, array[i]);
    }
}