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Vecais_Dumais_Laacis
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GiGa
Indago Uzvarētājs
Joined: 25 Sep 2003
Posts: 887
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 Posted: Sun Feb 01, 2004 12:36 pm Post subject: |
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Smuki, smuki 
veel viens projekts uz kuru gaidiit 
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gazz
Joined: 03 Jan 2004
Posts: 355
Location: Teika
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| Posted: Wed Mar 24, 2004 2:24 pm Post subject: |
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| klau a tu neweelies bikuciit padaliities ar kodu, to kas atbild par mashiinas handlingu. es ar izmantoju tokamaku. tas kas ir 8 samplii tas biki iesako. es atradu kau kur netaa alternatiiwu to controllera sadalju. bet arii taa man nepiesaista. protams ja naw zheel... |
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Vecais_Dumais_Laacis
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Joined: 29 Jan 2004
Posts: 800
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| Posted: Wed Mar 24, 2004 2:50 pm Post subject: |
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dotajaa briidii esmu galiigi sap@%#$ to kodu taa ka autinsh liikumaa spiezh pie zemes ieksheejo malu un vispaar dara shausmiigaas dumiibas. safixeeshu un ja acereeshos tad mosh padaliishos ar. bet man zato ir collision volume exporteris no 3dmaxa  . tb scripts kas box/sphere/cylinder primitiivus exportee uz xml'u aprakstot autinja collision volumi kuru peec tam iebarot tokamakam.
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Hobits
Indago organizātors
Joined: 04 Jul 2003
Posts: 491
Location: Riga
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| Posted: Wed Mar 24, 2004 6:44 pm Post subject: |
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| Quote: | | ...scripts kas box/sphere/cylinder primitiivus exportee uz xml'u aprakstot autinja collision volumi kuru peec tam iebarot tokamakam. |
neesi domaajis par mesh koliizijaam. tokamakam skiet ir iespeeja uztaisiit savu koliiziju detekciju (CustomCDRB2RBCallback laikam!?)
,es sobriid taisu ode'i un jaasaka ka ir deizgan liela izveele no jau gataviem koliiziju libjiem (SOLID, SWIFT, ... ).
Vieniigaa probleema vareetu buut ar massas sadaliijumu objektaa, es veel neesmu iebraucis kaa tas straadaa. |
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gazz
Joined: 03 Jan 2004
Posts: 355
Location: Teika
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| Posted: Wed Mar 24, 2004 6:48 pm Post subject: |
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| un kaa wispaar ir tokamakam ar taadaam iespeejaam kaa rigidBody->AddForceAtPoint(neV3)? cik zinu tad taadas metodes naw, bet kaa lai sho effektu panaak? |
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Hobits
Indago organizātors
Joined: 04 Jul 2003
Posts: 491
Location: Riga
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| Posted: Wed Mar 24, 2004 7:06 pm Post subject: |
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Kam tev tas?
Bet vispaar var meeginaat ar setVelocity setAngularVelocitu un
setAngularMomentum funkcijaam kaut kaa kombineet to lietu. |
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Vecais_Dumais_Laacis
Guru
Joined: 29 Jan 2004
Posts: 800
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| Posted: Thu Mar 25, 2004 9:16 am Post subject: |
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mesh to mesh collision man liekaas diezgan nepraatiiga ideja gammuchos vismaz pie dotajiem prochiem. pietiekoshi aprakstot objektu ar primitiiviem varam ieguut daudz lielaaku perfomanci nedaudz zaudeejot precizitaati.
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Vecais_Dumais_Laacis
Guru
Joined: 29 Jan 2004
Posts: 800
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| Posted: Thu Mar 25, 2004 9:18 am Post subject: |
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rigid bodijam ir
| Code: |
void ApplyImpulse(const neV3 & impulse, const neV3 & pos);
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gazz
Joined: 03 Jan 2004
Posts: 355
Location: Teika
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| Posted: Thu Mar 25, 2004 9:22 am Post subject: |
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| njaa - kaa es pats neiedomaajos izmeegjinaat apply impulse... Atkal buushu noslinkojis. Iisteniibaa kapeec cilwinji newar dokumentaaciju uzraxtiit kaut cik sakariigu. Kaut wai neofiicaalu. Piemeeram taada funkcija kaa getVelocitAtPoint wispaar naw nekur dokumentos mineeta. Un tad nu ej un rocies caur headeriem un saproti ko winji ar to ir domaajushi... mosh pasham kjerties klaat un uzraxtiit docus. |
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Vecais_Dumais_Laacis
Guru
Joined: 29 Jan 2004
Posts: 800
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| Posted: Thu Mar 25, 2004 10:18 am Post subject: |
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meegjinaat jau vari tikai kaa nu sanaax. dalja funkciju ir vispaar miglaa tiitas... kaa teixim | Code: | | void SetInertiaTensor(const neM3 & tensor); |
forumaa tika uzdots jautaajums un taa arii atbilde netika dota cik aceros.
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Hobits
Indago organizātors
Joined: 04 Jul 2003
Posts: 491
Location: Riga
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| Posted: Thu Mar 25, 2004 6:20 pm Post subject: |
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| Quote: | | mesh to mesh collision man liekaas diezgan nepraatiiga ideja |
baidos ka shii raksta autors tev nepiekristu 
http://www.gamedev.ru/articles/read.shtml?id=30111
makslinieki jau nu noteikti nebuus sajuusmaa no tavas tehnologijas.
un performance pie sodienas prochiem jau nu noteikti neies zudumaa (ja vien tu netesto koliizijas peec O(n^2) ) |
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Vecais_Dumais_Laacis
Guru
Joined: 29 Jan 2004
Posts: 800
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| Posted: Fri Mar 26, 2004 10:51 am Post subject: |
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nav jau taa ka vinsh nepiekriit. mesh-to-primitive collision tehnologjija ljauj ieguut perfomanci nedaudz zaudeejot 100% precizitaati kura peec manaam domaam nemaz tik ljoti nav vajadziiga. [bez tam 100% precizitaati tu ieguusi tikai koliizijai izmantojot release modeli nevis speciaalu lowpoly modeli veidotu tieshi koliizijaam]
| Quote: | | ???????, ??? ????? ??????????? ??????????????? ??????????? (???????, "???????" ? ?.?.), ??? ?????????? ?? ???????? ?????????? ? ?????? ??????????? ??????, ?? ?? ?????? ???? ??????????? ????????. |
mana ideja ir taada ka zeme tiek taisiita kaa meshs bet paareejie objekti kaa primitiivu kopas. un pagaidaam neesmu redzeejis gammi [vismaz ar autinjiem] kuraa buutu mesh-to-mesh koliizijas. piem. gta sphere+plane collision volumes.
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Hobits
Indago organizātors
Joined: 04 Jul 2003
Posts: 491
Location: Riga
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| Posted: Fri Mar 26, 2004 7:02 pm Post subject: |
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es neskaidri izteicos: protams primitiivu koliizijas ir aatraakas, bet jautaajums dotajaa gadiijumaa ir par primitiivu automatisku piemekleesanu, lowpoly (conveksu vai ari ne) modeli var genereet programmiski bet tavaa gadiijumaa es sapratu ka maxii tiek veidoti primitiivi preksh modela un tad eksporteeti... - respektiivi, roku darbs.
Ta ka ir jautaajums kas ir izderviigaak?
Paskaidro siikaak shere+plane volumes, vai viniem modeli ir no bumbaam salikti?
Eh, un tavu Quoti es izlasiit nevaru, kaut kas ar simboliem... ?? |
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gazz
Joined: 03 Jan 2004
Posts: 355
Location: Teika
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| Posted: Sat Mar 27, 2004 3:05 pm Post subject: |
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| gta3 izmantoja sphere+plane koliizijas. gta vc shameejie spheres atmeta, laikam optimizaacijas deelj, jo gta vc dzineejs ir krietni labaaks un ashaax par gta3. |
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