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Questions tagged [3d-space]

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

2
votes
5answers
351 views

What is an effective system for a random shot from a ranged weapon in 3 dimensions? [closed]

A couple of times in my current campaign (D&D 5e), one of my players has elected, due to blindness, or darkness, to make a random shot in a random direction (including vertically, not just ...
13
votes
1answer
1k views

Can you fly over a Medium enemy creature in a 10ft tall corridor?

Let’s say you, a Medium character, are in a 5ft wide, 10ft tall corridor, and that a Medium enemy creature stands in your way. You wish to go behind the enemy creature using your fly speed (either ...
19
votes
2answers
2k views

Does Evard's Black Tentacles only go “up”?

Recently, I was running a game where the party was flying in an urban environment to face off against a wizard. They were all bunched together next to a building about 20' up to avoid attacks from ...
4
votes
3answers
186 views

Good mapping tools for odd topologies [closed]

I'm looking to host a game that takes place in an asteroid terrarium traveling through interstellar space. Does anyone know of mapping software for 1) the inside of the asteroid, which resembles the ...
3
votes
1answer
200 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 ...
9
votes
1answer
389 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 ...
4
votes
2answers
3k 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 ...
5
votes
5answers
637 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?
13
votes
4answers
2k 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 ...
5
votes
1answer
551 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 ...
7
votes
2answers
286 views

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

How much vertical space do a rider and mount occupy together?
5
votes
3answers
219 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 (...
12
votes
3answers
432 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?