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How fast do things move?

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How many pixels per tic do monsters, projectiles and players move in Doom engine games?

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It's different for each actor type. You can look through the ZDoom wiki class list for some info. The "speed" parameter sets how far a monster will travel per call to "A_Chase" and for projectiles it's how far it will travel per tick.

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I've noticed on the Playstation incarnations of Doom, objects seem to move at a much slower rate, causing the game to appear very choppy at times, when it was going at a respectable framerate. Can anyone provide information on why this is?

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GoatLord said:

I've noticed on the Playstation incarnations of Doom, objects seem to move at a much slower rate, causing the game to appear very choppy at times, when it was going at a respectable framerate. Can anyone provide information on why this is?


Probably because PSX decided to toss in a crap ton of other non-senseless crap, higher pixel rate, etc, in turn for slower animation and movement.

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Scet said:

It's different for each actor type. You can look through the ZDoom wiki class list for some info. The "speed" parameter sets how far a monster will travel per call to "A_Chase" and for projectiles it's how far it will travel per tick.

So a missile speed says how much a missile moves per tic? And can it be fractionary? Does an imp fireball (speed=10) equal a demon in Nightmare! mode (speed=10, walkframe length=1)?
How many dots-per-tic does a straight walking/running player move? (or where shall I read...?)
Last but not least, how fast do lost souls charge?

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