Simple DirectMedia Layer

Transcript

1 n =Co7; 82E 8CB2;Apq"; D r7474> $ :26<;:2=?>7@";A:7B ; =C47D 82=?82E :26 8!" # $ &%' ( )" *)" + (, -+-.&/'-+0 sut vxw yxzbyx? xx~? y? x x? ƒx?? x yx xx x x?yx ~ zbƒx ˆ $ + Š Œ Ž ( *%' &%' 9 Š $ ˆ # # ˆ ( & /' ## ˆ & ( + ( *%' ( ( Š $ Ž š$ + Z ( + œ7 ž ŸNŸm & Z & N m & x Ÿm ªN«N m mž m «m m < m N m & ˆ ˆ ( + + Š ± ( ± œ7² m Z³ ḿ ŸM &ªN µ ªm &Ÿ «NŸmž Nž M & & m ³ & m M * m " N N & &Ÿm &ŸM N³& N¹* ³ ḿ Nªm N N m³ º mž ž «Yº»& & ¼³ &ž ³ ¼ &ḿ '¼³ž ½¾ž m ³ Ń³ NÀ G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ Ä 6<r r76 :Å476 >7Æ26 :2=C=?: Simple DirectMedia Layer cross-platform multimedia library GNU LGPL fornisce accesso (a livello abb basso) a audio, keyboard, mouse, joystick, windowing 3D hardware via OpenGL 2D video framebuffer. gira su: Linux, Windows, BeOS, MacOS X... completato di librerie "figlie" per vari scopo (e.g. SDL_png per file png) C++  3/ / 9 G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNÁ suç ~ zb x~ ~ xzby? yxè È w y?éx xw ÊxzbƒxËxzbyx?Ìw y? w x xy?éxw ƒx?yxxéxƒxí main() init(); do_my_beautiful_algorithm(); exit(); ḿÿnḿ»& *¹m NŃ M«N m m«n«m ³ & m &³ ŸNḿ³ ÎÎÎÎ ÏNÐ ÑmÒ ÓmÐ ÐÐÐÐ ÎÎÎÎ ÔÔÔÔ ÑÑ Õ G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlmÃ Ä 6<r r76 :Å476 >7Æ26 :2=C=?: à :á=c; E7; =?:u:2447d ;@:7â"; >2E8 Ääã à7å7æ 87:7B826 p Ä ;p 82=?:u:u87qx82E ; ØÚÙ y? yx xyx Û Ù7Ü ƒ Ù y?? xè È yxëx?vxyxéx xzbè Ù x Ý main() init(); while (true) get_event() ; process_event(); m»& mńž ³'ž ³ «mÿ º œzþmÿnªm & ž m &ž ³ m ¼ ¼ ¼ œz &³ &ž NÞM * m³& ³ ḿ³ &ž œz m & N m«n ÞM³ ḿ³ Þ*³ & & m &³ ŸmŃ ¼ ¼ ¼ œz m Nḿ m mž ³' N N µ m«n«m ³ & m <³ ŸNḿ M &ž m & & œzÿm N Mž m N N M N³ m Nḿž ³ G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNÖ #ifdef WIN32 #define WIN32_LEAN_AND_MEAN #include <windows.h> #endif #include <GL/gl.h> #include <GL/glu.h> #include <stdlib.h> #include <SDL.h> G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNß

2 /. D :> C CB; T U /. D :> C CB; à :á=c; E7; =?:u:2447d ;@:7â"; >2E8 Ääã à7å =?:2; E à :á=c; E7; =?: 2447D ;@:7â"; >2E8 Ääã à å D:á4:26 8C@ æ 8CB2; p87æ9e: int main(int argc, char **argv) SDL_Init(SDL_INIT_VIDEO); SDL_SetVideoMode(640, 480, 0, SDL_OPENGL); void rendering() glclear(gl_color_buer_bit); int done = 0; while (! done ) /* Loop, drawing and checking events */ SDL_Event event; SDL_WaitEvent(&event); switch(event.type) case SDL_VIDEOEXPOSE: /* evento "ridisegnati" */ rendering(); /* riempi screen buffer*/ break; case SDL_QUIT: done = 1; break ; case SDL_KEYDOWN: if ( event.key.keysym.sym == SDLK_ESCAPE ) done = 1; break; SDL_Quit(); return 1; G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlN` /* disegna tutto */ glinish(); /* aspetta che sia tutto finito */ SDL_GL_SwapBuffers(); /* vediamo questa fra un sec */?ç >7 : å B7:Årp:26 p"; èé7ê é ; Eu6<; p"4y>7p :u:báre: 6<;@ æ 87p :CB2;6 87B26 :7ë œzìmªn mń NŸM & N«m«N³ NÞ*ŸM & N M³ 'í îï ð* N m & &Ÿm NŸm œz m ž ³ ÞM Nḿž ³'³ ' &ŸNḿž m &ž Ÿ* m³'î«m Nḿñxò*«NŸmž N¹N¹m *ḿÿn m & & m *Ń mþ*þ* mńÿ* mž ž ³»<Ÿ Õ œz«mÿmž N¹m¹N m Ÿ* m & & m &³& m»& Nḿž ³'«N³ óm³ Þ*«mŸm ž mńž ³& m ]«m Ÿm & m & & m G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNc Ä 8uq>7Æ2D ; >á6<; B2; p87æ9e:26 8ÅD:up@89E:7õ uö :7Bu87p82=C47; >9 7; Eu6<; p"4>7p :u:bår7eu; E74rB782D D øbr 82E æ 8 æ :u@:2=co7;:ád:cp@82ey:2 7; D4r7E >CB2;Aq"; p :2 Øûú úúú ƒxí ü yx w ƒ? x?zb xxéx xzbw xë Š + Ž ( Øûý ýýý yxí?w yx x~ ƒxþb?yxxéxƒ? x?è xëxxyx ÌÉxw Ù zbw Éxw È xëxxyx~ w Ù Š ÿ + /* ci automandiamo un messaggio che (s.o. permettendo) ci fara' ridisegnare la finestra*/ void updatescene() SDL_Event e; e.type=sdl_videoexpose; SDL_PushEvent(&e); // metto il segnale nella coda degli // eventi da processare G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNô ã >2r7o7D 8áor 826<; EÆ, + ;@@>2D >u 6<r@@>ár ; D 8C:2D D 8u:94747D ;@:7â"; >2E7;; E 826 :7 ; q8 Ø xyxè ƒxxéx xzb?w ü zbyx?? xü ü xz]? xx~ zb? w xx?zbw x?êxw ~ ƒ A = >? <; :98 = 9 AB :! " # $% & '% ( JI " K& L % M '$ N O K% & P ( 7 Q 2 R6 S G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAl _ ã >2r7o7D 8áor 826<; EÆ ;@@>2D >u 6<r@@>ár ; D 8C:2D D 8u:94747D ;@:7â"; >2E7;; E 826 :7 ; q8 Ø xyxè ƒxxéx xzb?w ü zbyx?? xü ü xz]? xx~ zb? w xx?zbw x?êxw ~ ƒ 82=C; EB7826 Applicazioni SDK, A = >? <; :98 = 9 AB :! " K& L % M '$ N O K% & P ( JI " # $% & '% ( 7 Q 2 R6 Algoritmi API Driver Scheda grafica Scheda Grafica G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAl Monitor G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAl ^

3 nn S qq q qqqq ç >2EuD >up ryb2;:2=?>wv9r7; 7=?:u87p"; p 8 ã ; 6 87@ X ã ØZY yxzb~?éxw\[ w zb x ~ ]  &%' Ø Ç ~ xè È w È ƒxêxw Éxw\^ Êx x`_ba  *)" + & 9  ( Ø à c yx ~ xzbxyx~ w y?êxw `c ƒx? xx?yd^ Êx `_ba We 482Edf 6 :24 æ ;@ à :2EYÆ2rY:7Æ78 à ; o76 826<;:Wg Ø t zbƒxè È Êx yx~ ü ƒxzb ØZh xyx vx? xx~ w xyxw ƒ?éxw zbƒ x~ w x xè ëûëûëji >2482EÆ2D i >26 Æ Ø È Êx x w ü w vx Ä 487@"; ;@ æ 8 q826lkmi n G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAl Á G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAl Ã Ä >26<;: ;@"; E7;AB2;A@:7p: suw xw o w yx? xx~?è w xêxêxyx~ ƒ?éxy?ç w w ƒd_ suƒxzbyxí ^ Êx x`_ba nn zb vxw ~ x ~ xzb UU U U x w `p q ƒxyxzbé ˆ ( + r sutwv x y x v zwt ˆ + 3,+ ~ ~ ~ ~ ƒ ƒ ƒ ƒ ˆ ( + Ž+ * su w È ƒxxƒ?yxx vx? ` \ `ˆ` \ Š ˆ` Êxzbw Yyx~ ˆ zbyxêxvxw È nœu G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAl Ö sw^ Êx x`_ba `Ž w ỳ xz]éxw xyxè sw_bà Ü _ba? x~ w w ~ xè Ý ˆ ( %' Z "$ Ž ( + ˆ ( void glulookat(eyex,eyey,eyez, cx,cy,cz, upx, upy, upz); Ü ~ O V J V h i j P O ß sw_bà `Ž w ƒxƒx Û w ~xéxw w x~ xzbü yx w yì ƒx?w Ç ^ sw_bà ` \ `ˆ` \ Š`ˆ š œ`ˆ`ž`ÿ `š Ý]È w ƒ xêxy?éx x? xè ~ xxè w ƒxxw sw CËx _bà È ƒxxƒ?w È ƒx~ ƒxw xè w x?w Éw\^ Êx x`_ba? vx Éxw Êx xxéxƒxxƒ?éxy Ç ^ G H&I J'KMLNH'I P'OAQ R K&S+T&U W'IYXZI H<T&['O \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O f*g&w&h \<U&kbI HAl Ä E : W r 8áD 8 reâ"; >2E7;AB2; e 482EYÆ2DAp ;A@ æ ;:2=?:2E> å glsomethingxxx Ø [ ƒx d] ] ]CÈ Êx x w ü w y Ü x x? xzbƒxý]w Y~ w Êxƒ?Éx xw Êxyxzbyx? x~ zbw Í Ø xè x?êxw ƒxí glcolor3f(float, float, float); glcolor3fv( float*); ü Íxü ƒxyx~ ÉxÍxÉxƒx x x? Íx x~ ~ ƒxzb ØZY xzb vx ` d c ú Ç þbt ẍxƒx?t l «ª  & + w G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAl ` H :u:2e@ æ 8 å Ä E : glcolor3b, glcolor3d, glcolor3f, glcolor3i, glcolor3s, glcolor3ub, glcolor3ui, glcolor3us, glcolor4b, glcolor4d, glcolor4f, glcolor4i, glcolor4s, glcolor4ub, glcolor4ui, glcolor4us, glcolor3bv, glcolor3dv, glcolor3fv, glcolor3iv, glcolor3sv, glcolor3ubv, glcolor3uiv, glcolor3usv, glcolor4bv, glcolor4dv, glcolor4fv, glcolor4iv, glcolor4sv, glcolor4ubv, glcolor4uiv, glcolor4usv G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAl c

4 s q :7p:7 >Cp"r7D D>up :7 > æ ; Ø ƒ    ü e à ; > Ø ƒ H E:up :7 8á=?:7@ EY8 yxé? xè x?êxw ( yxxxƒ?êxyxzb~?éx x ƒ?è ~ yx~ ƒ? ƒxz'zb xx~ H >2D ;A@>2=?:2EB2; 4Y82Ef E>9Ed :2E7EY>áEr7D D:uB2; =C=?87B2;:7 È?xƒx? yx? xw yxzb? ƒ?è ~ yx~ G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAl ô q :7p:7 >Cp"r7D D>up :7 > Ä :7 >u@x>2=c476 82EYB78 ká=?:7 6<;@"; ö 8uB2rY8up :7@ Āpù H E:uB2;±V9r87p 8C8 ²p82=C476 8ÅD:Å=?:7 6<;@8uB2;D:7q>26 > Ø y??yx~ zbw? ƒxzbzb xx~ æ 8á=?>B2; ;@:2E>á=û:7 6<;@";D:7q>26 :2E> p"ŕ V2rY87p :á=?: 6<;@8 G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ _ :7 6<;@"; ú ƒx~ yxíxyxè È x?? vx?è w yxxƒ?? x?ƒxz'w o\o yx~?êx xz] ƒx ƒxxx ˆ ( ( µ G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ :7 6<;@"; 826M@:2=Co7;:26 8WV9r:2D 8 ád:á=?: 6<;@8uB2;D:7q>26 > å glmatrixmode(***); GL_MODELVIEW GL_PROJECTION 826 6<; =C47;:7ââ:26 8áD:á=?:7 6<;@8uB9;D:7q>26 > glloadidentity(); glloadmatrixf( float* m ); W r ;AÆ2D ;A:2D 6<;A@>2=?:2EB2;=?>B2; ;@:2E> ö =?>2D ; 47D ;@:2E> 4826 r7e?:2d 6 :á=?:7 6<;@87ù D:á=?:7 6&;@8u@>26<6 82E 8mi G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ ^ U >7 :7â";>2E7; :7 6<;@"; glrotatef(angle,ax,ay,az); W 6 :7p"D:7â"; >2E7; gltranslatef(dx,dy,dz); r76 8 Š %' ( glscalef(ax,ay,az); f 82E826<;@: glmultmatrixf(float f*); ³ * m N N³ m & & M N³' Ÿmž m <³ ŸNḿ «m m & & Nḿž *«N m µÿm ³ N³Ń G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ Á ;p : å :7 6<;@"; void glulookat(eyex,eyey,eyez, cx,cy,cz, upx, upy, upz); & mḿž Ÿ ¼ òn * m³ m &³ ŸmŃ mµ ` x J¹& º G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ Ã

5 U :7 We 4826 :7â"; >2EY8up"r7D D > Ä :7@ å glpushmatrix() glpopmatrix() G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ Ö H :7 6<;@";AB2;476 >2; 87â"; >2E8 :7 6<;@";AB2;476 >2; 87â"; >2E8 å glortho2d(left, right, bottom top); void gluperspective( fovy, ³ N *Ÿm m»<³ ¼» aspect, &ªm l½ ¾¼ÀMº ³ * m N N³ º znear, zar); G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ ß ;87ë 4>26 à q82e > Ä ; EB7>7ë U 87p æ :24Y8 826Mp87 :26 8á; DAq"; 87ë 4>26 å glviewport(int x, int y, int w, int h); 6 82=C; EB7826 å ; D6 :2474>26 >W 6 :uë 8 æ B87q8u87ppx826 8áD > p 87pp>up"4Y87@"; ;@:7 >áey82d D:á=?:7¾6<;@8uB2;476 >2; 87â"; >2E8ÂÁ G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ ` Ä r@@87b78c>7æ9e7;aq>2d :u@ æ 8áDø r 89E =?82Ep"; >2E7;Z:2D D:W ; E8p 6 : Ø Éx x ƒ?êx xzb? x~ ~ xzb?yx c x~ xx~?éxw ü yxz' ƒ`ẍéx xzbyxx~ c w xw o w yx w o\o ỳ o w ƒxx xí SDL_SetVideoMode(640,480,0, SDL_OPENGL SDL_RESIZABLE) Ø Ëx xè ~ w ƒxx?éx x c x xx~ ƒxí m m»<ÿm m * m³&ńªmÿm»&ÿ*³ ' & mžnªn«m N m&»&³ N NŸJº... case SDL_VIDEORESIZE : SDL_SetVideoMode(event.resize.w,event.resize.h, 0, SDL_OPENGL SDL_RESIZABLE); myreshapeunc(event.resize.w,event.resize.h); G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ c B7:7 :26 8 D:u@:2=?826 : 2D D:W ; EY8p 6 : å 476 >2; 87â"; >2E8C>26 >Æ26 : ;@: ;@>26 B7:26 8up82=C476 8 å e 482Ef à Å p : 8á=?:7@ æ ; E8 void myreshapeunc(glsizei w, GLsizei h) glmatrixmode (GL_PROJECTION); glloadidentity (); float ratio=(float)h/(float)w; glortho2d(-1,1,-ratio,ratio); «m ³ ÞM³ ž ³»& ìmªn³ R Ç 0 È0 1 1 É7 É 1 2 Ê Ë glviewport (0, 0, (GLsizei) w, (GLsizei) h); glmatrixmode (GL_MODELVIEW); G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlm^ ô &ž mž Ÿ* m³&îx«n mḿñò ž ªmž ž ŸM³ &«m³ «m N ³Ń «m ŸN³ m <³ŸNḿ Y & mž ªm«m &ž m ³ & & m &³ ŸmŃ ¼ ¼ ¼º G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNÁ _ «m³ Æ& N

6 gû>2=?8up";±ìnp"4:26 :2E> Ì?;A 6<;:2EYÆ7>2D ;E82D47; 482D ; EY8 glbegin (GL_TRIANGLES); glvertex3d(x1,y1,z1); glvertex3d(x2,y2,z2); glvertex3d(x3,y3,z3); glvertex3d(x4,y4,z4); glvertex3d(x5,y5,z5); glvertex3d(x6,y6,z6); glvertex3d(x7,y7,z7); glvertex3d(x8,y8,z8); glvertex3d(x9,y9,z9);... glend(); «m ³ ÞMŸ*ž ³ mń NŸm Ÿ & m &ŸmŃ mÿ*ž ³ mń NŸm Ÿ ž m &ŸMž ³ NŃ mÿn Ÿ G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNÁ gû>2=?8up";±ìnp"4:26 :2E> Ì?;A 6<;:2EYÆ7>2D ;E82D47; 482D ; EY8 glvertex3d(x,y,z); i i i glvertex3f(x,y,z); glvertex3i(x,y,z); glvertex2d(x,y); glvertex4d(x,y,z,w); glvertex4dv(vett); &ŸmŸm N³ ḿ mž l»ðí &Ÿmž ž ŸN³ḿž m & Õ &ŸmŸm N³ ḿ mž M `ÍÏÎ &Ÿmž ž ŸN³ḿž m & Õ G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNÁ ^ ç >2EÌp>2D > glbegin (GL_TRIANGLES); ³ ḿ N M ³ Ń m *ìmªn mń NŸ &³' * * N Ñ<ḿ J º ç >2EÌp>2D > ìmªn mḿž ³ Ð Ò ÎÓNÏJÒ¼Ó¼ÔÎ'Ò ÓJÕ&Ð ÑmÒ Î ÖÖ&ÓmÐ Î «m m ZìmªN Nḿž ³ Ô ÑmÒ Ð Î &ÎØmÒ ÓmÎ ÑmÐ Ð ÓmÐ Î glbegin (GL_TRIANGLES); òm M <«m m &³ ³ & N îx«m Nḿñxò*ḿŸN «m m & & ³»&ŸNŃŸMìNªN m m³ m NŸmŃ N *ªm & m Ù Ú Û Ü Û Û Ý Þ Ü Þ ~ ß Û àïý Þ à¼þ Ü á ~ â Ûã Ü Þ G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNÁ Á G H&I J'KMLNH'I O P'OAQ R K&S+T&U V W'IYXZI H<T&['O J \]QM^&_&_&`ba _'c]q+d P&O e&w'i \&O V f*g&w&h h i j P \<U&kbI O HAlNÁ Ã