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| ID | Project | Category | View Status | Date Submitted | Last Update | ||||
|---|---|---|---|---|---|---|---|---|---|
| 0003959 | Spring engine | General | public | 2013-08-24 12:48 | 2013-08-25 20:57 | ||||
| Reporter | msafwan | ||||||||
| Assigned To | Kloot | ||||||||
| Priority | normal | Severity | tweak | Reproducibility | always | ||||
| Status | resolved | Resolution | fixed | ||||||
| Product Version | 94.1.1+git | ||||||||
| Target Version | Fixed in Version | ||||||||
| Summary | 0003959: physic: gunship colliding with free flying unit looks unrealistic because gunship resist too much | ||||||||
| Description | Gunship units act like push-resistance. When free-flying ground unit hit a flying gunship, they act like a wall. Gunship could behave like ground unit under collision for realism. | ||||||||
| Steps To Reproduce | This is easy to demonstrate in ZK. /cheat /give 10 funnelweb now wait few second for all drone to spawn (swarming the area) select 1 funnelweb and activate dgun. The giant funnelwebs will start to levitate and then they will be thrown toward target. The result is, if funnelwebs collide with any of the drones, the drone acted like push-resistant (the drone refuse to budge even tiny bit and deflect the funnelweb away). (this was tested on 94.1.1-989-g9462149 & also valid on 91.0 too) | ||||||||
| Tags | collision, gunship, impulse, physic | ||||||||
| Checked infolog.txt for Errors | |||||||||
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msafwan (reporter) 2013-08-24 12:55 Last edited: 2013-08-24 12:58 |
Another thing: when a gunship type unit is hit with a weapon that usually deal impulse to ground unit, the gunship doesn't appear budged too. (but probably this is good!) Fyi: to test: 1)make Doomsday turret 2)fire it on a Brawler gunship 3)projectile explode but no impulse effect. EDIT: maybe this report should be LOW priority |
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Kloot (developer) 2013-08-24 15:41 |
"when a gunship type unit is hit with a weapon that usually deal impulse to ground unit, the gunship doesn't appear budged" zk bug: newtons affect gunships (0003739), if normal weapons do not there is a gadget blocking impulse |
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Google_Frog (reporter) 2013-08-24 17:22 |
msafwan, please test more. Gunships are affected by weapon impulse. The mass of our gunships is too large for it to be noticeable, I don't really mind. I've attached a replay demonstrating the bug. Gunship do not act like they are push-resistant, they act like this sometimes. In the replay I throw heavier Fleas at lighter Banshees (a gunship) and sometimes the Flea bounces off the Banshee with no effect on the Banshee. The collision is quite strange. Game: ZK test 11201 (exact version is important as the unit stats are extreme) Map: Comet Catcher Redux Engine: 94.1.1-958 |
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Kloot (developer) 2013-08-24 18:31 |
"the unit stats are extreme" Not a valid test, do NOT use insane extreme values to demonstrate some condition as it makes the simulation unstable. |
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Google_Frog (reporter) 2013-08-25 06:14 |
They're not insane extreme. The colliding unit's mass differs be a factor of 1000 and when they do collide properly they do not fly off at ridiculous speed. |
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Kloot (developer) 2013-08-25 12:37 |
I was referring to the maxDamage changes, did not check if there were others. In any case... "The colliding unit's mass differs be a factor of 1000" ... the minimum mass of an object is 1 so the difference is a factor 10. |
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Google_Frog (reporter) 2013-08-25 13:05 |
Ok, then the bug should be common. As for maxDamage that change is to prevent the units from dying, it should have no effect on unit physics. Anyway this bug does not particularly worry me. |
| Notes |
| Issue History |
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| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2013-08-24 12:48 | msafwan | New Issue | |
| 2013-08-24 12:50 | msafwan | Tag Attached: collision | |
| 2013-08-24 12:50 | msafwan | Tag Attached: physic | |
| 2013-08-24 12:50 | msafwan | Tag Attached: gunship | |
| 2013-08-24 12:50 | msafwan | Tag Attached: impulse | |
| 2013-08-24 12:55 | msafwan | Note Added: 0011368 | |
| 2013-08-24 12:58 | msafwan | Note Edited: 0011368 | View Revisions |
| 2013-08-24 15:41 | Kloot | Note Added: 0011369 | |
| 2013-08-24 17:22 | Google_Frog | Note Added: 0011371 | |
| 2013-08-24 17:23 | Google_Frog | File Added: gunshipsAreAffectedByImpulseAndSometimesByCollisions.sdf | |
| 2013-08-24 18:31 | Kloot | Note Added: 0011372 | |
| 2013-08-25 06:14 | Google_Frog | Note Added: 0011383 | |
| 2013-08-25 12:37 | Kloot | Note Added: 0011384 | |
| 2013-08-25 13:05 | Google_Frog | Note Added: 0011385 | |
| 2013-08-25 20:57 | Kloot | Changeset attached | => spring develop f26df72e |
| 2013-08-25 20:57 | Kloot | Assigned To | => Kloot |
| 2013-08-25 20:57 | Kloot | Status | new => resolved |
| 2013-08-25 20:57 | Kloot | Resolution | open => fixed |
| Issue History |