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Kristians
Joined: 06 Apr 2005
Posts: 99
Location: Ventspils
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 Posted: Fri Jul 22, 2005 1:08 pm Post subject: Lāmeriski jautājumi par opengl |
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Kapēc šitas kods neiet?
| Code: | glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT);
glLoadIdentity;
glTranslatef(0.0, 0.0, -12.0);
glBegin(GL_QUADS);
glvertex3f(1.0,1.1,-0.5); glvertex3f(0.5,1.1,-0.5);
glEnd;
SwapBuffers(wglGetCurrentDC); |
kā nomainīt krāsu?
un uzlikt tekstūru?
Nosauciet veel tos ziimejamo tipus (nezinu kaa tos sauc) jo zinu tik GL_QUADS un GL_TRIANGLES.
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GiGa
Indago Uzvarētājs
Joined: 25 Sep 2003
Posts: 887
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| Posted: Fri Jul 22, 2005 1:21 pm Post subject: |
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Kaa to saprast neiet? 
Nokompileejas bet nekas uz ekraana neparaadas?
glBegin(GL_QUADS); - saak ziimeet chetrstuurus! Lai uzziimeeru chetrstuuri, jaatliek 4 punkti, bet tu atliec tikai divus: glvertex3f(1.0,1.1,-0.5); glvertex3f(0.5,1.1,-0.5); un uzreiz izsauc glEnd; kas beidz ziimeet chetrstuurus, liidz ar to nekas netiek uzziimeets.
Paareejie ziimeeshanas veidi:
GL_POINTS individual points
GL_LINES pairs of vertices interpreted as individual line segments
GL_POLYGON boundary of a simple, convex polygon
GL_TRIANGLES triples of vertices interpreted as triangles
GL_QUADS quadruples of vertices interpreted as four-sided polygons
GL_LINE_STRIP series of connected line segments
GL_LINE_LOOP same as above, with a segment added between last and first vertices
GL_TRIANGLE_STRIP linked strip of triangles
GL_TRIANGLE_FAN linked fan of triangles
GL_QUAD_STRIP linked strip of quadrilaterals
Siikaak te: http://fly.cc.fer.hr/~unreal/theredbook/chapter02.html
EDIT: par textuuru un kraasaam - palasi taksh kaadu tutoriaali, piemeeram Nehe
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Last edited by GiGa on Fri Jul 22, 2005 2:07 pm; edited 1 time in total |
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Guest
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| Posted: Fri Jul 22, 2005 1:56 pm Post subject: |
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Last edited by Guest on Wed Sep 14, 2005 11:46 am; edited 1 time in total |
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Kamazs
Guru
Joined: 17 Jan 2003
Posts: 829
Location: The glorious ancient city of Loja
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| Posted: Sat Jul 23, 2005 10:27 pm Post subject: |
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Plus, vai man tā rādās vai tur tiešām ir
| Code: |
glvertex3f(1.0,1.1,-0.5); glvertex3f(0.5,1.1,-0.5);
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?
Ar mazo burtu? Tas ir case-sensitive vai nav?
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Kristians
Joined: 06 Apr 2005
Posts: 99
Location: Ventspils
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| Posted: Sat Jul 23, 2005 11:50 pm Post subject: |
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| Quote: | | Ar mazo burtu? Tas ir case-sensitive vai nav? |
es jau nekodēju uz c++ kur tas tik svariigi  |
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bubu
Indago Uzvarētājs
Joined: 23 Mar 2004
Posts: 3223
Location: Riga
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| Posted: Sun Jul 24, 2005 12:08 pm Post subject: |
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| Code: | | glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT); |
Izskatās pēc paskāla. Iekš C or vietrā būtu |. |
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Kristians
Joined: 06 Apr 2005
Posts: 99
Location: Ventspils
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| Posted: Mon Jul 25, 2005 5:48 am Post subject: |
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Piekēra gan  |
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Guest
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| Posted: Mon Jul 25, 2005 10:54 am Post subject: |
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Last edited by Guest on Wed Sep 14, 2005 11:46 am; edited 1 time in total |
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bubu
Indago Uzvarētājs
Joined: 23 Mar 2004
Posts: 3223
Location: Riga
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| Posted: Mon Jul 25, 2005 11:29 am Post subject: |
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| Nez, pēc koda to nevar pateikt. Tur nav nekādas Object Pascal koda specifiskās fīčas izmantotas.. |
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Guest
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| Posted: Mon Jul 25, 2005 12:43 pm Post subject: |
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Last edited by Guest on Wed Sep 14, 2005 11:47 am; edited 1 time in total |
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bubu
Indago Uzvarētājs
Joined: 23 Mar 2004
Posts: 3223
Location: Riga
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| Posted: Mon Jul 25, 2005 12:47 pm Post subject: |
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Vai tik tu nejauc konkrētu kompilētāju ar vispārīgu valodas nosaukumu? (Delphi vs C/C++) C++ jau arī ir dažādi - MS VC++, GNU C++, u.t.t
Kas vainas rakstīt OpenGL aplikācijas ar FreePascal, GNU Pacsal?
OpenGL jau nav piesaistīts konkrētai valodai, bet gan konkrētām platformām. Ja valoda spēj veidot izpildāmos failus/skriptus šai platformai, tad tā spēj arī izmantot OpenGL piedāvāto API. |
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Guest
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| Posted: Mon Jul 25, 2005 1:12 pm Post subject: |
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Last edited by Guest on Wed Sep 14, 2005 11:48 am; edited 1 time in total |
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Vecais_Dumais_Laacis
Guru
Joined: 29 Jan 2004
Posts: 800
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| Posted: Mon Jul 25, 2005 2:37 pm Post subject: |
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emm.. kopsh kura laika Kylix ir valoda?
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bubu
Indago Uzvarētājs
Joined: 23 Mar 2004
Posts: 3223
Location: Riga
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| Posted: Mon Jul 25, 2005 3:47 pm Post subject: |
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c++ + Delphi = Kylix? es ar kautkā šabos.. Arī par to, ka Delphi ir valoda. Object Pascal gan ir valoda!
Pēc manas izpratnes:
Kylix = Object Pascal + IDE + VCL (bāzēts uz QT) + libc API
Delphi = Object Pascal + IDE + VCL (bāzēts uz Win32 native kontrolēm) + Win32 API |
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Vecais_Dumais_Laacis
Guru
Joined: 29 Jan 2004
Posts: 800
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| Posted: Mon Jul 25, 2005 4:37 pm Post subject: |
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man domaat ka kylix ir IDE(crossplatform) kura supportee Delphi / C++.
+ CLX komponentes
| Quote: | Kylix 3 delivers two separate IDEs—one for use with the Delphi language and one that supports
C/C++. |
http://www.borland.com/resources/en/pdf/products/kylix/kyl3_faq.pdf
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