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Virtual Reality Homebrewer's Handbook
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tumble.txt
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1996-03-19
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EXECUTIONABLE FILE: TUMBLE.EXE
AUTHOR: Robin Hollands (r.hollands@sheffield.ac.uk)
DESCRIPTION: A simple demonstration program to show multiple rotations.
REQUIRED: 386 or 486 PC with VGA card. Mouse or Cyberman recommended.
CONTROLS: Mouse or Cyberman will be recognised automatically; cyberman has
preference.
Keyboard: '4' : Rotate left
'6' : Rotate right
'8' : Look up
'2' : Look down
'+' : Move forward
'-' : Move backwards
'*' : Double movement speed
'/' : Half movement speed
's' : Returns to saved position and speed
'p' : Exports the current screen to a PCX file
'f' : Flips mouse mode between movement and cursor
'q' : Quits the program and returns to text mode
Mouse: In movement mode:
Mouse forward : Look up
Mouse backwards : Look down
Mouse left : Rotate left
Mouse right : Rotate right
Left button : Move forward
Right button : Move backwards
Left and Right button : shuffle in direction of mouse
movement (eg. left/right or up/down)
Centre button (if fitted) : Flips mouse mode to cursor
In cursor mode :
Move cursor to object of interest and press left button to
select. Press centre button to flip mouse mode back to
movement.
Cyberman:In movement mode:
Moving the Cyberman in any of the 6 DOF (except roll) results
in corresponding viewpoint movement. Movement
forwards/backwards and left/right is proportional to Cyberman
displacement from centre. Press centre button to flip to mouse
cursor mode.
NOTES: Unfortunately this demo also eventually shows numerical inaccuracies
creeping into the maths as the centre spinning torus starts to wander!