QUOTE(Lt.Fatso @ Feb 21 2005, 07:40 PM)
Marines and Medics are both Small units. A Nuke does Explosive damage, which makes sense.
Vultures are Medium units. Therefore, they take 75% (or, in this case, 1/2 health) damage from the Nuke.
Wraiths are Large units. Therefore, they take full damage from the Nuke (in this case, 2/3 health).
It seems simple enough. Maybe you should read up on that kind of thing more.
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QUOTE(StealthyDeath @ Feb 21 2005, 08:28 PM)
Nuke damage can be changed just by editing the weapons.dat. But that of course is modding.
The calculations above are wrong too. A supply depot is considered a Large Unit and only loses half of it's HP if it's set to 9999. As some of you said already, you cannot calculate nuke damage because it's programmed to do a specific amount of damage depending on size, hp, armor, and type.
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Stealthy, I just re-did an experiment and found YOUR calculations to be incorrect. I tested a supply depo at 1005hp, and saw its hp drop down into 335. Then, I tested it at 9999, and it went down to 3333. I tried it with 1 armor and without 1 armor to see if that would make substancial difference in buildings. It doesn't. Re-check your math Stealthy

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So Lt.Fatso's statement holds true: UNDER direct assault from a nuke (at dot)
Small units take 50% dmg from nuke when over 1500 maxhp (- 1/3 hp)
Medium units take 75% dmg from nuke when over 1000 maxhp (- 1/2 hp)
Large units take 100% dmg from nuke when over 750 maxhp (- 2/3 hp)
If any of these small, medium, or large units have max hp LESS than or EQUAL to that of what is shown, they will (hypothetically) recieve 500dmg.
To understand, think of what Chu said earlier. He stated that the nuke (at dead center) will do either 500dmg or the % amounts, whatever is
greater. -1/3 hp of 1500 is 1000 (-500hp), -1/2 hp of 1000 is 500 (-500hp), and -2/3hp of 750 is 250 (-500hp). Therefore, it is safe to assume these hp models are accurate, given the current information about nukes.
One question we really should be asking is what is the variable calculation for nuke damage? By 1x1 squares? By 1/2x1/2 squares? By 10x10 pixels? Is nuke variable damage based upon isometric terrain or square terrain?