# SDL_HasRectIntersection Determine whether two rectangles intersect. ## Header File Defined in [<SDL3/SDL_rect.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_rect.h) ## Syntax ```c bool SDL_HasRectIntersection(const SDL_Rect *A, const SDL_Rect *B); ``` ## Function Parameters | | | | | ---------------------------- | ----- | -------------------------------------------------------------------- | | const [SDL_Rect](SDL_Rect) * | **A** | an [SDL_Rect](SDL_Rect) structure representing the first rectangle. | | const [SDL_Rect](SDL_Rect) * | **B** | an [SDL_Rect](SDL_Rect) structure representing the second rectangle. | ## Return Value (bool) Returns true if there is an intersection, false otherwise. ## Remarks If either pointer is NULL the function will return false. ## Thread Safety It is safe to call this function from any thread. ## Version This function is available since SDL 3.2.0. ## See Also - [SDL_GetRectIntersection](SDL_GetRectIntersection) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRect](CategoryRect)