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Fixed bug 3492 - SDL_RenderCopyEx angle direction not documented 

xyzdragon

Reading https://wiki.libsdl.org/SDL_RenderCopyEx there is no mention what the angle means. Normally in a mathematically environment positive angles translate to counter-clockwise rotations, but in SDL positive angles means clockwise rotation.
This commit is contained in:
Sam Lantinga 2017-08-11 13:24:18 -07:00
parent 6de66e984f
commit b3589ed6a6
1 changed files with 1 additions and 1 deletions
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2
include/SDL_render.h
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@ -819,7 +819,7 @@ extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_Renderer * renderer,
* texture.
* \param dstrect A pointer to the destination rectangle, or NULL for the
* entire rendering target.
* \param angle An angle in degrees that indicates the rotation that will be applied to dstrect
* \param angle An angle in degrees that indicates the rotation that will be applied to dstrect, rotating it in a clockwise direction
* \param center A pointer to a point indicating the point around which dstrect will be rotated (if NULL, rotation will be done around dstrect.w/2, dstrect.h/2).
* \param flip An SDL_RendererFlip value stating which flipping actions should be performed on the texture
*