DirectX Sprite Rotation

Question

DirectX Sprite Rotation

darxpan (Programmer)

(OP)

12 Jun 04 12:38

I am working on a 2D game using direct3D. I am using the spriite class to render my objects to screen. I can't figure out how to rotate the Image.

I tried Sprite.transform.RotateZ(angle) , but I saw no difference on the screen. I even tried Device.Transform.RotateZ(angle); , and I couldn't tell that it did anything either.

What am I doing wrong? Any suggestions would be welcome.

darxpan (Programmer) · Answer 1 · 2004-06-25 10:58:30

I figured this out. It is strange. The Matrix.Rotate... functions say they return void, but they seem to actually return a matrix. For example, this:

sprite.Transform = Matrix.Transform2D(a,b,c,d,e,f);

works. There are other cases where an assignement won't work, but I used that one in my code and it runs.

The directX documentation is so poor.

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DirectX Sprite Rotation