Hello;
I need to take a float value, which will always be a whole integer number, so can be cast with int(float) to become an int. I then need to het this int into a char* for a GL command. Can someone help?
Hello;
I need to take a float value, which will always be a whole integer number, so can be cast with int(float) to become an int. I then need to het this int into a char* for a GL command. Can someone help?
you can use sprintf()
I think this will work tooCode:float n = 123; char buf[8]; sprintf(buf,"%d", (int)n);
Code:float n = 123; char buf[8]; sprintf(buf,"%.0f", n);
Can I do this without having to declare an array size for the char*
Code:#include <sstream> std::stringstream Stream; Stream << static_cast<int>(var); const char* charPointer = Stream.str().c_str();
MagosX.com
Give a man a fish and you feed him for a day.
Teach a man to fish and you feed him for a lifetime.
> Can I do this without having to declare an array size for the char*
Arrays are not pointers.
The array becomes a char* (learn about how arrays decay into pointers to the first element of the array) when you pass the array as a function parameter.Code:float n = 123; char buf[8]; sprintf(buf,"%d", (int)n); glSomeFunc( buf );
