2019-12-07 07:33 CET

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IDProjectCategoryView StatusLast Update
0005062Spring engineGeneralpublic2016-02-07 16:04
Assigned Tohokomoko 
Product Version100.0+git 
Target VersionFixed in Version 
Summary0005062: EmitSfx weapon direction control problems
DescriptionThe direction of weapon EmitSfx seems to no longer be based on the direction of the piece it is emitted from.

I had an issue with the Krow in Zero-K. With the dev engine it would fire its bombs up into the sky instead of directly below it. I tried Turning the emit piece and the parent of the emit piece but it still fired into the sky. Turning Base fixed the problem but that fix made no sense and broke the rest of the unit.

This commit fixes the issue: https://github.com/ZeroK-RTS/Zero-K/commit/e812afe8497002ae8f80a1764c4e6fc735d4b035

The fix makes no sense because the position of the parent of the piece which is passed to EmitSfx should not affect the direction of the EmitSfx. If the -12 in the commit is changed to -11 the bombs shoot into the sky.
Steps To ReproduceTo reproduce:
 * Get the appropriate ZK version, either before or after https://github.com/ZeroK-RTS/Zero-K/commit/e812afe8497002ae8f80a1764c4e6fc735d4b035
 * Spawn a corcrw
 * Set its land/fly state to fly.
 * Give the drop bombs command (hotkey D)

Correct behavior:
A spray of missiles fire downwards from the Krow and bombard a small area about 2x the radius of the Krow.

Incorrect behavior:
The Krow fires a spray of missiles into the sky. They fall down and impact an area with radius about 1200 elmos (depends on map gravity).
Additional InformationWeaponDef: https://github.com/ZeroK-RTS/Zero-K/blob/master/units/corcrw.lua#L218

Script: https://github.com/ZeroK-RTS/Zero-K/blob/master/scripts/corcrw.lua
TagsNo tags attached.
Checked infolog.txt for Errors
Attached Files

duplicate of 0005061closedhokomoko Dante rocket salvo behaviour misses 



hokomoko (developer)

Fix bac3b2f6d7970047f083123a941d3001502ea480 committed to develop branch: Fix 0005062

Be careful when multiplying a vector with a matrix, repo: spring changeset id: 6563

+Related Changesets

-Issue History
Date Modified Username Field Change
2016-02-07 14:42 Google_Frog New Issue
2016-02-07 15:35 hokomoko Relationship added duplicate of 0005061
2016-02-07 16:04 hokomoko Changeset attached => spring develop bac3b2f6
2016-02-07 16:04 hokomoko Note Added: 0015640
2016-02-07 16:04 hokomoko Assigned To => hokomoko
2016-02-07 16:04 hokomoko Status new => resolved
2016-02-07 16:04 hokomoko Resolution open => fixed
+Issue History