Vector3 λŠ” forward, back, up, down, left, right λͺ¨λ“  λ‹¨μœ„λ²‘ν„°κ°€ λ‹€ μžˆλŠ”λ°

Vector3Int λŠ” up, down, left, right λŠ” μžˆλŠ”λ°Β forward, back은 μ—†μŒ γ…Ž