Add methods IsAnyKeyDown on Mouse/Gamepad class

Source/Engine/Input/Input.cpp

@@ -17,6 +17,8 @@
 #include "Engine/Profiler/ProfilerCPU.h"
 #include "Engine/Serialization/JsonTools.h"
 
+#include "Engine/Debug/DebugLog.h"
+
 struct AxisEvaluation
 {
     float RawValue;
@@ -183,6 +185,15 @@ void Mouse::OnMouseDown(const Float2& position, const MouseButton button, Window
     e.MouseData.Position = position;
 }
 
+bool Mouse::IsAnyKeyDown() const
+{
+    // TODO: optimize with SIMD
+    bool result = false;
+    for (auto e : Mouse::_state.MouseButtons)
+        result |= e;
+    return result;
+}
+
 void Mouse::OnMouseUp(const Float2& position, const MouseButton button, Window* target)
 {
     Event& e = _queue.AddOne();