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-1
votes
1answer
55 views
Simulating aircraft movement with DirectX 9 [closed]
How would I go about simulating a planes movement in DirectX 9 using transforms (i.e. matrices).
For example flying around an open space. When it moves it faces the direction it is going and ...
1
vote
3answers
462 views
How do I correctly multiply an XMMATRIX by a scalar?
Using DirectXMath and its XMMATRIX structure in C++ and Direct X 11, how does one multiply that matrix structure by a single float scalar?
I want to implement the operation B = A * f; where A and B ...
1
vote
1answer
90 views
Can I use memcpy() with XMMATRIX?
I.e. can I do this:
XMMATRIX dxMat;
Matrix myMat;
std::memcpy(&myMat, &dxMat, sizeof(XMMATRIX));
std::memcpy(&dxMat, &myMat, sizeof(XMMATRIX));
Matrix is my own class which contains ...
0
votes
2answers
134 views
Copy unaligned XMVECTOR and use the copy?
I know XMVECTOR has to be 16-byte-aligned and therefore shouldn't be a member of a class (unless I ensure the alignment). However, can I do sth like this?
class A
{
public:
XMVECTOR vect;
};
...
