1.1 Requirement ID:  PlayerMovement
Requirement: The player must be able to successfully move left, right, up, and down.
Location: Game
Rationale: player cannot move without this
Source: User Clients
Dependencies: Existence of game
Importance: Critical
Risks: hardware might be compatible for movement inputs (no keyboard)
Assumptions: Hardware provided meets minimum specs
Pre-conditions: Game is running
Post-Conditions: Player must be able to move in all 4 directions
Change-Log: N/A