Method BufferButton

engine/Poseidon/Input/MouseState.cpp:11–16

using Poseidon::Foundation::UITime;

void MouseState::BufferButton(int btn, bool down)
{
    if (btnCount_ >= kButtonBufferSize)
        return;
    btnBuffer_[btnCount_++] = {btn, down};
}

void MouseState::BufferMotion(float dx, float dy)
{