Game Development Reference
In-Depth Information
The following code can now be used to set the value of myNumber to 13 through the
pointer myNumberPtr .
*myNumberPtr = 13;
*myNumberPtr can be read as “the integer located at the memory value address held by
myNumberPtr .”
Finally, pointers can also be declared for structs.
Consider the following struct definition and code:
struct CartesianCoord
public int x;
public int y;
public int z;
CartesianCoord coord = new CartesianCoord();
CartesianCoord* coordPtr = &coord;
You can now use the pointer coordPtr to access public fields of coord .
This can be done with the following code:
Or the following equivalent code, which uses the indirection operator:
C++ developers are used to declaring statements like the following to save typing:
int* int1, int2;
Those developers would assume that int1 is a pointer to an integer, and int2 is just an integer.
C# handles this statement differently, as the pointer declaration is on the type, not the variable. In
this example, both int1 and int2 are pointers to integers.
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