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.

include/SDL_render.h

@@ -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
  *