public float3x3(float3 _x, float3 _y, float3 _z)
{
x = new float3(_x);
y = new float3(_y);
z = new float3(_z);
}
public float3x3(float xx, float xy, float xz, float yx, float yy, float yz, float zx, float zy, float zz)
{
x = new float3(xx, xy, xz);
y = new float3(yx, yy, yz);
z = new float3(zx, zy, zz);
}