[Resolved] Avatar Jump Height SVC-1975

For those of you not following the JIRA issues that are related to C:SI, I wanted to just quickly point out that Andrew Linden has indicated that a fix is in the works for the inability to jump as high under Havok 4 as you could in Havok 1, and seems likely to be released in the near future (emphasis added) :

Andrew Linden said…

The simple formula for peak height of a projectile in uniform gravity is:

h = (Vo)^2 / (2 * gravity)

Where Vo = initial velocity
Solving for Vo we get:

Vo = sqrt( 2 * gravity * h)

The ratio of Vo1 by Vo4 is:

Vo1 / Vo4 = sqrt( h1 / h4 )

Solving for Vo1 we get:

Vo1 = Vo4 * sqrt( h1 / h4)

Putting in the numbers:

Vo1 = Vo4 * sqrt( 3.967 / 2.80 ) = Vo4 * 1.19

So, the impulse velocity of jump needs to be increased by a factor of about 1.19.

I scaled the avatar jump impulse by the value above and it worked perfectly. However, the fix won’t be deployed until next week at the earliest.

While I’m sure we’d all like to see fixes for other important issues such as the kick problem, it’s good to see that they are at least working on some of the Havok 4 bugs that are causing us headaches.

I would like to encourage everyone who has not yet done so to head over to JIRA SVC-1648 and vote for the kick problem to be fixed, and explain to "The Lab" in comments why you think they should give the problem some consideration and assign developer time to fixing it.

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3 Responses to “[Resolved] Avatar Jump Height SVC-1975”


  1. 1 Malachi Rothschild

    I left a comment on the push bug issue.

  2. 2 Takuan

    Yup, I just read it, and it was quite well put. Thanks, Malachi!

  1. 1 Followup : SVC-1975 (Avatar Jump Height) at Daikon Forge
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