fat commander crushed my windmill!

fat commander crushed my windmill!

Hearken back to the days of yore and enjoy the first major Spring module!

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knorke
Posts: 7971
Joined: 22 Feb 2006, 01:02

fat commander crushed my windmill!

Post by knorke »

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xta_windmill_crusher_20121230_031810_Icy Run v2_91.sdf
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babbles
Posts: 564
Joined: 22 Jul 2008, 02:30

Re: fat commander crushed my windmill!

Post by babbles »

it's because you made a vehicle lab on icy run
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PicassoCT
Journeywar Developer & Mapper
Posts: 10450
Joined: 24 Jan 2006, 21:12

Re: fat commander crushed my windmill!

Post by PicassoCT »

the doctor told you not to reclaim them sumos. But you cant hold back, cant you?
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Jools
XTA Developer
Posts: 2816
Joined: 23 Feb 2009, 16:29

Re: fat commander crushed my windmill!

Post by Jools »

Do you have the disable reclaim widget? That can make commander crush things...
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knorke
Posts: 7971
Joined: 22 Feb 2006, 01:02

Re: fat commander crushed my windmill!

Post by knorke »

Jools wrote:Do you have the disable reclaim widget?
this?
http://springrts.com/phpbb/viewtopic.ph ... claim+move
no.

I think it is just normal bouncing units sometimes do. Often they take a bit damage from that but that was the first time I saw something get destroyed.
Kloot
Spring Developer
Posts: 1867
Joined: 08 Oct 2006, 16:58

Re: fat commander crushed my windmill!

Post by Kloot »

There is some weirdness in the way Spring calculates damage from "skidding" collision impulses, which looks as follows

Code: Select all

damage = dot(-speed(collider), norm(pos(collider) - pos(collidee))) * mass(collider) * 0.02

(for this demo: damage = 3.034783 * 4000.000000 * 0.02 = 242.78264)
and can be enough to destroy fragile little windmills because XTA commanders are fat like yomomma (for example arm_commander.fbi: mass=4000) and move fast enough to make it significant, especially when trying to slip between two buildings.

(proof that the engine can trololo you too, only moar randomly)

Note there is a mod-rule 'allowUnitCollisionDamage' to disable collisions damaging units, though it won't be needed in 92.0 due to the collision handling rewrite done for this.
Last edited by Kloot on 31 Dec 2012, 13:29, edited 3 times in total.
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PicassoCT
Journeywar Developer & Mapper
Posts: 10450
Joined: 24 Jan 2006, 21:12

Re: fat commander crushed my windmill!

Post by PicassoCT »

he who gets his commander dropped into a windmillhouse farm - so the pinball effects set in wins..
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