API reference / Input and time

SDL_PointInRectFloat

Function, SDL3

Tests whether a point is inside a rectangle. This is the test for a click on a button.

Declaration

#include <SDL3/SDL.h>

bool SDL_PointInRectFloat(const SDL_FPoint *p, const SDL_FRect *r);

Parameters

Return value

True for a point inside the rectangle. It returns false for a point outside, and for a NULL argument.

Example

SDL_FPoint point = { x, y };

if (SDL_PointInRectFloat(&point, &target)) {
    score++;
    move_target();
}

See this code run in Scenes. Download the full program (.zip)

In SDL2

Use SDL_PointInFRect.

See also

• SDL_ConvertEventToRenderCoordinates