Function CircleToSquare

engine/Poseidon/Input/InputProcessingSdl.cpp:344–354

Expands circular stick range to full square (prevents diagonal under-reach)

        left = fminf(left, 1.0f);
        right = fminf(right, 1.0f);
        SDL_RumbleGamepad(g, (uint16_t)(left * 65535.f), (uint16_t)(right * 65535.f), 50);
    }
};
static SDLRumble sRumble;

void SDLGamepad_SetEngine(float mag)
{
    sRumble.SetEngine(mag);
}
void SDLGamepad_PlayRamp(float beg, float end, float dur)
{
    sRumble.PlayRamp(beg, end, dur);
}