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setHitPointDamage reacts weird.
Closed, ResolvedPublic

Description

#1
_PreDamage = 0.8; vehicle player setHitPointDamage ["hitEngine",_PreDamage + 0.1]; -> Engine turns off (Result: 0.9)

#2
_PreDamage = 0.8; vehicle player setHitPointDamage ["hitEngine",0.9]; <-- Engine stays on

Both have the same result, but react different.

Details

Legacy ID
615158836
Severity
None
Resolution
Open
Reproducibility
Always
Operating System
Windows 7
Category
Engine
Steps To Reproduce

Place an Offroad, get in, turn Engine on, Execute Script #1 -> Engine turns off
->
Vehicle player setDamage 0;
->
execute #2 -> Engine stays on.

Event Timeline

Dscha edited Steps To Reproduce. (Show Details)Sep 13 2015, 5:02 PM
Dscha set Category to Engine.
Dscha set Reproducibility to Always.
Dscha set Severity to None.
Dscha set Resolution to Open.
Dscha set Legacy ID to 615158836.May 8 2016, 12:42 PM

Nothing is strange about it. This is Arma's Single precision floating point for you.

https://en.wikipedia.org/wiki/Single-precision_floating-point_format

hint str ((0.8 + 0.1) > 0.9) true
hint str ((0.8 + 0.1) - 0.9)
5.96046e-008

It is just that at == 0.9 engine still ok, at > 0.9 it is not

Dscha added a subscriber: Dscha.May 8 2016, 12:42 PM
Dscha added a comment.Oct 8 2015, 8:32 PM

Ah, didn't noticed your Answer. Thx then, can be closed and ignored.

LouMontana closed this task as Resolved.Fri, Nov 6, 3:19 PM
LouMontana updated the task description. (Show Details)
LouMontana edited Steps To Reproduce. (Show Details)
LouMontana set Operating System to Windows 7.