hack not working [source code included]

#include <windows.h>
#include <stdio.h>
#define OFS_Z 0x000102D8
#define ADR_PLAYERPTR 0xA71030
#define OFS_NFD 0x000103A4

void superjump()
	{
		*(float*)(dwPlayerPtr+OFS_NFD)=-20000; //NFD
		if(GetAsyncKeyState(VK_CONTROL)&1)
		{
			DWORD dwPlayerPtr=*(DWORD*)ADR_PLAYERPTR;
			if(dwPlayerPtr!=0)
			{
				*(float*)(dwPlayerPtr+OFS_Z) = 500; //SUPERJUMP
		}
	}
}

BOOL WINAPI DllMain(HINSTANCE module, DWORD dwReason, LPVOID lpvReserved) /*Basic Function. */
{
   if(dwReason == DLL_PROCESS_ATTACH) /*Here is "tested" if the dll has been attached.*/
   {
        CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)superjump, NULL, NULL, NULL); //create the new Thread (run superjump)
   }
return TRUE;
}

#include <windows.h>
#include <stdio.h>
#define OFS_Z 0x00102D8
#define ADR_PLAYERPTR 0x00D284E8
#define OFS_NFD 0x00103A4

void superjump()
{
	for(;;)
	{
		*(float*)(dwPlayerPtr+OFS_NFD)=-20000; //NFD
		if(GetAsyncKeyState(VK_CONTROL)&1)
		{
			DWORD dwPlayerPtr=*(DWORD*)ADR_PLAYERPTR;
			if(dwPlayerPtr!=0)
			{
				*(float*)(dwPlayerPtr+OFS_Z)=500; //SUPERJUMP
			}
		}
	}
}

BOOL WINAPI DllMain(HINSTANCE module, DWORD dwReason, LPVOID lpvReserved) /*Basic Function. */
{
   if(dwReason == DLL_PROCESS_ATTACH) /*Here is "tested" if the dll has been attached.*/
   {
        CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)superjump, NULL, NULL, NULL); //create the new Thread (run superjump)
   }
return TRUE;
}