This question involves calculations, coordinates and movement in the imagined 3-dimensional space of the game world.

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12
votes
4answers
538 views

What counts as ground for Tenser's Floating Disk?

What counts as ground for this ritual, if you have a 5x5 piece of stone/paper/metal/wood under the disk, and that is moved up, say 10 feet, would the disk phase through that stone, or hover 1 foot ...
11
votes
3answers
295 views

Does blade barrier have to be anchored to the ground?

If I cast blade barrier, does it have to be anchored to the ground? Or can I have it float anywhere I want that it could occupy, such as cast it above me as a sort of roof of blades?
9
votes
1answer
158 views

How does Phasing interact with the Z-axis?

The glossary entry for Phasing is rather sparse, and doesn't seem to address any specific issues that could arise while phasing. Phasing: While a creature is phasing, it ignores difficult terrain, ...
6
votes
2answers
231 views

How much vertical space do a rider and mount occupy together?

How much vertical space do a rider and mount occupy together?
4
votes
5answers
491 views

Do creatures occupy cubic space, or are larger creatures still one square tall?

Does a large creature need to squeeze to fit into at 5' tall passageway?
4
votes
2answers
478 views

Aerial combat in 3.5e

I have a player who is using a homebrew flying race to add to his heal/buff cleric's survivability. He's promising not to use it too much to his advantage, especially because none of us have any ...
4
votes
1answer
366 views

Is there a high limit on how high the Tenser's Floating Disk will fly?

Is there a high limit on how high the disk will fly? If i'm on it and use a move action to go "UP" how far will it go before it refuses to go any farther? I did not see any mention of high limits ...
3
votes
3answers
187 views

Do tall creatures have to duck elevated obstacles?

Are there rules concerning the interaction between a creature and elevated obstacles? Example: Say, you have the following. Tall Goliath (7'8") Short Gnome (3'4") Short Kenku (5'0") Short Human ...
2
votes
1answer
79 views

How do I determine the argument of periapsis in GURPS Space? [closed]

I am currently in the process of writing a program that generates a GURPS Space star system according to the RAW. For the final output format I intended to make plots of the orbits, thus this question ...