Movement with left/right arrow keys.

Movement is hardcoded but it works.
Also fixed some typos that gave me a hard time figuring out why
movement was giving all sort of crazy problems. Very bad typos,
see gameplaysceneclassic.cpp, inputbag.cpp, inputbag.hpp and key.hpp
if you want to get goosebumps.

src/moverleftright.hpp

@@ -0,0 +1,30 @@
+#ifndef id340A16673C014E0BBFE8AC24D8FC1C77
+#define id340A16673C014E0BBFE8AC24D8FC1C77
+
+#include "moveroneshot.hpp"
+
+namespace cloonel {
+	class MoverLeftRight : public MoverOneShot {
+	public:
+		enum MovementDirectionType {
+			MovementDirection_Left,
+			MovementDirection_Right,
+			MovementDirection_Still
+		};
+
+		MoverLeftRight ( void );
+		virtual ~MoverLeftRight ( void ) noexcept = default;
+
+		void SetMovement ( MovementDirectionType parDirection );
+
+	private:
+		virtual float2 GetOffset ( void ) const;
+		virtual void ApplyMotion ( float parDelta );
+
+		float m_movement;
+		float m_velocity;
+		float m_step;
+	};
+} //namespace cloonel
+
+#endif