You can use your mouse to look around and work in conjunction with your keyboard for motion in all directions.
To... |
Use... |
Move in |
Mouse Wheel Forward -or- W |
Move in (factor of 2) |
Middle Mouse Button/Wheel Click |
Move left |
A |
Move out |
Mouse Wheel Backward -or- S |
Move out (factor of 2) |
SHIFT + Middle Mouse Button/Wheel Click |
Move right |
D |
Move up |
E |
Move down |
C |
Move in and left |
W + A -or- Mouse Wheel Forward + A |
Move in and right |
W + D -or- Mouse Wheel Forward + D |
Move out and left |
S + A -or- Mouse Wheel Backward + A |
Move out and right |
S + D -or- Mouse Wheel Backward + D |
Move left/right/up/down |
Middle Mouse Drag |