锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#x4E45;&#x4E45;&#x7CBE;&#x54C1;&#x6210;&#x4EBA;&#x56FD;&#x4EA7;&#x5348;&#x591C;&#x2C;&#x39;&#x31;&#x4E45;&#x4E45;&#x7CBE;&#x54C1;&#x56FD;&#x4EA7;&#x39;&#x31;&#x6027;&#x8272;&#x4E5F;&#x2C;&#x4E45;&#x4E45;&#x4E45;&#x4E45;&#x4EBA;&#x59BB;&#x4E00;&#x533A;&#x7CBE;&#x54C1;&#x679C;&#x51BB;</title><link>http://www.shnenglu.com/life02/category/11642.html</link><description /><language>zh-cn</language><lastBuildDate>Mon, 31 Aug 2009 09:13:25 GMT</lastBuildDate><pubDate>Mon, 31 Aug 2009 09:13:25 GMT</pubDate><ttl>60</ttl><item><title>OGRE涓昏娓叉煋嫻佺▼綆�浠?杞澆)</title><link>http://www.shnenglu.com/life02/articles/94891.html</link><dc:creator>life02</dc:creator><author>life02</author><pubDate>Mon, 31 Aug 2009 08:21:00 GMT</pubDate><guid>http://www.shnenglu.com/life02/articles/94891.html</guid><wfw:comment>http://www.shnenglu.com/life02/comments/94891.html</wfw:comment><comments>http://www.shnenglu.com/life02/articles/94891.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/life02/comments/commentRss/94891.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/life02/services/trackbacks/94891.html</trackback:ping><description><![CDATA[<span style="FONT-SIZE: 12pt">杞澆鑷細(xì)<a href="http://www.shnenglu.com/richardhe/articles/68841.html">http://www.shnenglu.com/richardhe/articles/68841.html</a><br>寰堟棭浠ュ墠灝辨兂鍐欎竴浜涘叧浜?span>OGRE</span><span>鐨勬枃绔犱簡錛屼竴鐩存病鏈轟細(xì)銆?/span>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;鐞嗚В涓�涓覆鏌撳紩鎿庯紝鎴戣寰楁渶閲嶈鐨勬槸鍏堟姄浣忎簡瀹冪殑涓繪灦鏋勶紝瀹冪殑涓葷嚎錛屾覆鏌撴祦紼嬶紝涓嶇劧鐨勮瘽錛屼竴涓紩鎿庡嚑涓囪錛岀敋鑷沖嚑鍗佷竾琛岀殑浠ｇ爜錛屽厜鏄墦寮�</span><span>solution</span><span>灝辮兘鍚撲綘涓�璺充簡錛?/span><span>OGRE</span><span>涔熸湁鍗佸嚑涓囪鐨勪唬鐮侀噺錛屾垜涓�寮�濮嬬湅瀹冪殑鏃跺�欎篃鏄棤浠庝笅鎵嬶紝鎰熻浠ｇ爜澶浜嗭紝涓嶇煡閬撲粠鍝紑濮嬬湅濂斤紝榪欎釜</span><span>class</span><span>鐪嬬湅錛岄偅涓?/span><span>class</span><span>鐪嬬湅錛岀敱浜庡鏁翠釜寮曟搸娌℃湁涓�涓竻鏅扮殑璁よ瘑錛岀湅榪囦簡涔熷嵃璞′笉娣憋紝鎵�浠ワ紝鏈�鍚庯紝榪樻槸鍐沖畾鍏堟壘鍑哄畠鐨勪富綰匡紝浜嗚В瀹冪殑娓叉煋嫻佺▼錛岃繖鏍鋒墠鑳芥湁鏈哄湴鎶婂悇涓儴鍒嗚仈緋昏搗鏉ャ�?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;榪欑瘒鐭枃涔熸槸瀵?/span><span>OGRE</span><span>鐨勪富瑕佹覆鏌撴祦紼嬬殑涓�涓粙緇嶏紝鍙兘瀵逛竴浜?/span><span>class</span><span>涓嶄細(xì)澶鍦板幓浠嬬粛鍏蜂綋鐨勫疄鐜扮粏鑺傘�傛垜鎵�鐢ㄧ殑浠ｇ爜閮芥槸鍙栬嚜浜?/span><span>OGRE</span><span>鐨勬渶鏂扮殑</span><span>CVS</span><span>鐗堟湰銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp; 璇昏�呮渶濂藉</span><span>OGRE</span><span>鏈変竴瀹氱殑浜嗚В錛岃嚦灝戝緱鐪嬫噦瀹冪殑</span><span>example</span><span>錛屼笉鐒跺彲鑳戒竴浜涗笢瑗跨悊瑙ｈ搗鏉ユ瘮杈冨洶闅俱�傚</span><span>D3D</span><span>錛?/span><span>OPENGL</span><span>鏈変竴瀹氫簡瑙ｆ洿濂姐�?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;濡傛灉浣犵湅榪?/span><span>D3D SDK</span><span>涓甫鐨勪緥瀛愶紝浣犱竴瀹氱煡閬撲竴涓瘮杈冪畝鍗曠殑</span><span>3D</span><span>紼嬪簭瑕佽繍琛岃搗鏉ワ紝鑷沖皯閮戒細(xì)娑夊強浠ヤ笅鐨勫嚑閮ㄥ垎錛?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;棣栧厛鏄暟鎹殑鏉ユ簮錛屽寘鎷《鐐規(guī)暟鎹紝綰圭悊鏁版嵁絳夛紝榪欎簺鏁版嵁鍙互浠庢枃浠朵腑璇誨彇錛屼篃鍙互鍦ㄧ▼搴忚繍琛屾椂鐢熸垚銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;鎺ヤ笅鏉ワ紝鎴戜滑浼?xì)寰忕珛椤剁偣缂撳啿鍖烘妸椤剁偣淇濆瓨钃v鏉ワ紝寤虹珛</span><span>texture</span><span>瀵硅薄鏉ヨ〃紺?/span><span>texture</span><span>錛屽欏剁偣緇勬垚鐨勭墿浣撹緗畠鍦ㄤ笘鐣屽潗鏍囩郴涓嬬殑鍧愭爣錛岃緗憚鍍忔満鐨勪綅緗紝瑙嗙偣錛岃緗?/span><span>viewport</span><span>鐨勪綅緗拰澶у皬錛岀劧鍚庡氨鍙互鍦ㄦ覆鏌撳驚鐜腑寮�濮嬭皟鐢ㄦ覆鏌撴搷浣滀簡錛岀粡榪囦簡</span><span>front buffer</span><span>鍜?/span><span>back buffer</span><span>鐨勪氦鎹紝鎴戜滑灝辮兘鍦ㄥ睆騫曚笂鐪嬪埌</span><span>3D</span><span>鍥懼艦浜嗭紝浼唬鐮佸涓嬶細(xì)</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setupVertexBuffer</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setWorldTransform</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setCamera</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setProjectionTransform</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setViewport</span></p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span>beginFrame</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;setTexture</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;drawObject</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;endFrame</span>&nbsp;</p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp; 浠ヤ笅灝辨槸娓叉煋涓�涓墿浣撶殑涓昏姝ラ錛屽湪鎴戠湅鏉ワ紝榪欏氨鏄?/span><span>3D</span><span>紼嬪簭鐨勪富綰匡紝鍚屾牱閬撶悊錛屾棤璁轟綘澶氬鏉傜殑娓叉煋寮曟搸錛岄兘寰楀疄鐜頒笂榪扮殑榪欎簺姝ラ錛屽叾浠栫殑涓�浜涙晥鏋滃闃村獎錛屽厜鐓х瓑錛岄兘鏄檮鐫�鍦ㄨ繖鏉′富綰夸笂鐨勶紝鎵�浠ワ紝濡傛灉浣犺兘鍦ㄤ綘鎵�鐮旂┒鐨勬覆鏌撳紩鎿庝笂涔熸竻鏅板湴鐪嬪埌榪欐潯涓葷嚎錛屽彲鑳藉浣犳繁鍏ュ湴鐮旂┒瀹冧細(xì)澶ф湁甯姪錛屼笅闈紝鎴戜滑灝變竴璧鋒潵鎵懼埌</span><span>OGRE</span><span>涓殑榪欐潯涓葷嚎銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;OGRE</span><span>鐨勬覆鏌撳驚鐜兘鏄搗婧愪簬</span><span>Root::renderOneFrame</span><span>錛岃繖涓嚱鏁板湪</span><span>OGRE</span><span>鑷甫鐨?/span><span>example</span><span>涓槸涓嶄細(xì)鏄懼紡璋冪敤鐨勶紝鍥犱負(fù)</span><span>example</span><span>閮借皟鐢ㄤ簡</span><span>Root::startRendering</span><span>錛岀敱</span><span>startRendering</span><span>鏉ヨ皟鐢?/span><span>renderOneFrame</span><span>錛屽鏋滀綘鐢?/span><span>OGRE</span><span>鏉ュ啓鐪熸鐨勬父鎴忥紝鎴栬�呯紪杈戝櫒錛屼綘鍙兘灝遍渶瑕佸湪鐨勬秷鎭富寰幆涓皟鐢?/span><span>renderOneFrame</span><span>浜嗭紝欏懼悕鎬濅箟錛岃繖涓嚱鏁板氨鏄鏁翠釜</span><span>OGRE</span><span>榪涜涓�甯х殑鏇存柊錛屽寘鎷姩鐢伙紝娓叉煋鐘舵�佺殑鏀瑰彉錛屾覆鏌?/span><span>api</span><span>鐨勮皟鐢ㄧ瓑錛屽湪榪欎釜鍑芥暟涓紝浼?xì)鍖呮嫭浜嗘垜浠笂杩颁吉浠ｇ爜鐨勫嚑涔庡叏閮ㄥ唴瀹瑰Q屾墍浠ユ槸鏈枃鐨勯噸鐐規(guī)墍鍦ㄣ�?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;榪涘叆</span><span>renderOneFrame</span><span>錛屽彲浠ョ湅鍒板ご灝句袱涓?/span><span>fire</span><span>鍑芥暟錛岃繖縐嶅嚱鏁板湪</span><span>OGRE</span><span>涓粡甯稿嚭鐜幫紝涓�鑸兘鏄?/span><span>fire&#8230;start</span><span>鍜?/span><span>fire&#8230;end</span><span>涓�璧峰嚭鐜扮殑錛屽湪榪欎簺鍑芥暟涓紝鍙兘浼?xì)澶勭悊涓�浜涚敤鎴瘋嚜瀹氫箟鐨勬搷浣滐紝濡?/span><span>_fireFrameStarted</span><span>灝變細(xì)瀵規(guī)墍浠ョ殑</span><span>frameListener</span><span>榪涜澶勭悊錛岃繖浜?/span><span>fire</span><span>鍑芥暟鍙互鏆傛椂涓嶇敤鐞嗕細(xì)錛岀戶緇湅</span><span>_updateAllRenderTargets</span><span>錛屽湪榪欎釜鍑芥暟涓紝浼?xì)濮攱z懼綋鍓嶆墍鐢ㄧ殑</span><span>renderer</span><span>瀵規(guī)墍鏈夊垱寤哄嚭鏉ョ殑</span><span>render target</span><span>榪涜</span><span>update</span><span>錛?/span><span>render target</span><span>涔熷氨鏄覆鏌撶殑鐩殑鍦幫紝涓�鑸細(xì)鏈変袱縐嶏紝涓�縐嶆槸</span><span>render texture</span><span>錛屼竴縐嶆槸</span><span>render buffer</span><span>錛屾帴鐫�榪涘叆</span><span>RenderSystem::_updateAllRenderTargets</span><span>錛屽彲浠ョ湅鍒板湪</span><span>render system</span><span>涓紝瀵瑰垱寤哄嚭鏉ョ殑</span><span>render target</span><span>鏄敤</span><span>RenderTargetPriorityMap</span><span>鏉ヤ繚瀛樼殑錛屼互渚挎寜鐓т竴瀹氱殑欏哄簭鏉ュ</span><span>render target</span><span>榪涜</span><span>update</span><span>錛屽洜涓哄湪娓叉煋鐗╀綋鍒?/span><span>render buffer</span><span>鏃訛紝涓�鑸細(xì)鐢ㄥ埌涔嬪墠娓叉煋濂界殑</span><span>render texture</span><span>錛屾墍浠?/span><span>render texture</span><span>褰㈠紡鐨?/span><span>render target</span><span>闇�瑕佸湪</span><span>render buffer</span><span>涔嬪墠榪涜鏇存柊銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;榪涘叆</span><span>render target</span><span>鐨?/span><span>update</span><span>錛屽彲浠ョ湅鍒幫紝瀹冧粛鐒舵妸</span><span>update</span><span>鎿嶄綔緇х畫浼犻�掍笅鍘伙紝璋冪敤鎵�鏈夋寕鍦ㄨ繖涓?/span><span>render target</span><span>涓婄殑</span><span>viewport</span><span>鐨?/span><span>update</span><span>銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Viewport</span><span>鍏跺疄灝辨槸瀹氫箟浜?/span><span>render target</span><span>涓婄殑涓�鍧楄榪涜鏇存柊鐨勫尯鍩燂紝鎵�浠ヤ竴涓?/span><span>render target</span><span>鏄彲浠ユ寕澶氫釜</span><span>viewport</span><span>鐨勶紝浠ュ疄鐜板浜哄鎴樻椂鍒嗗睆錛屾垨鑰呮槸鐢諱腑鐢葷瓑鏁堟灉錛屽彲浠ユ妸</span><span>OGRE</span><span>涓殑</span><span>viewport</span><span>鐪嬫垚鏄繚瀛?/span><span>camera</span><span>鍜?/span><span>rendertarget</span><span>榪欎袱鑰呯殑緇勫悎錛屾妸</span><span>viewport</span><span>涓墍瀹氫箟鐨?/span><span>camera</span><span>鎵�鐪嬪埌鐨勫満鏅唴瀹規(guī)覆鏌撳埌</span><span>viewport</span><span>鎵�瀹氫箟鐨?/span><span>render target</span><span>鐨勫尯鍩熼噷銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Viewport</span><span>榪樻湁涓�涓噸瑕佷俊鎭槸</span><span>ZOrder</span><span>錛屽彲浠ョ湅鍒?/span><span>RenderTarget</span><span>涓殑</span><span>ViewportList</span><span>甯︽湁涓�涓瘮杈冨嚱鏁幫紝鎵�浠ュ湪</span><span>RenderTarget::update</span><span>涓紝</span><span>ZOrder</span><span>瓚婂皬鐨勶紝瓚婂厛琚覆鏌擄紝鎵�浠ワ紝濡傛灉涓や釜</span><span>viewport</span><span>鎵�瀹氫箟鐨勫尯鍩熶簰鐩擱噸鍙犱簡錛岃�屼笖</span><span>ZOrder</span><span>鍙堜笉涓�鏍鳳紝鏈�緇堢殑鏁堟灉灝辨槸</span><span>ZOrder</span><span>灝忕殑</span><span>viewport</span><span>鐨勫唴瀹逛細(xì)琚?/span><span>ZOrder</span><span>澶х殑</span><span>viewport</span><span>鐨勫唴瀹規(guī)墍瑕嗙洊銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;緇х畫榪涘叆</span><span>Viewport::update</span><span>錛屽氨鍍忓墠闈㈡墍璇達(dá)紝瀹冭皟鐢ㄥ畠鎵�寮曠敤鐨?/span><span>camera</span><span>鏉ユ覆鏌撴暣涓満鏅紝鑰屽湪</span><span>Camera::_renderScene</span><span>涓紝鏄皟鐢?/span><span>SceneManager::_renderScene(Camera* camera, Viewport* vp, bool includeOverlays)</span><span>銆?/span><span>SceneManager::_renderScene</span><span>閲屽氨鏄叿浣撶殑娓叉煋嫻佺▼浜嗐�備粠鍑芥暟鍚嶇О榪樻湁鍙傛暟涔熷彲浠ョ湅鍑烘潵錛岃繖涓嚱鏁扮殑浣滅敤灝辨槸鍒╃敤鎵�鎸囧畾鐨?/span><span>camera</span><span>鍜?/span><span>viewport</span><span>錛屾潵鎶婂満鏅腑鐨勫唴瀹規(guī)覆鏌撳埌</span><span>viewport</span><span>鎵�鎸囧畾鐨?/span><span>render target</span><span>鐨勬煇鍧楀尯鍩熶腑銆傛牴鎹?/span><span>camera</span><span>錛屾垜浠彲浠ュ畾鍑?/span><span>view matrix</span><span>錛?/span><span>projection matrix</span><span>錛岃繕鍙互榪涜瑙嗛敟鍓旈櫎錛屽彧娓叉煋鐪嬪緱瑙佺殑鐗╀綋銆傛敞鎰忥紝鎴戜滑榪欓噷鍙湅鏍囧噯鐨?/span><span>SceneManager</span><span>鐨勬柟娉曪紝涓嶇湅</span><span>BspSceneManager</span><span>媧劇敓綾葷殑鏂規(guī)硶錛岃�屼笖錛屾垜浠細(xì)鎶涘紑璺熶富綰挎棤鍏崇殑鍐呭錛屽瀵?/span><span>shadow</span><span>鐨?/span><span>setup</span><span>錛岄楠煎姩鐢葷殑鎾斁錛?/span><span>shader</span><span>鍙傛暟鐨勪紶閫掔瓑錛屽洜涓烘垜浠彧娉ㄩ噸娓叉煋鐨勪富嫻佺▼銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;鍦?/span><span>SceneManager::_renderScene</span><span>涓墍搴旂湅鐨勭涓�涓噸瑕佸嚱鏁版槸</span><span>_updateSceneGraph</span><span>錛?/span><span>OGRE</span><span>瀵瑰満鏅殑緇勭粐鏄�氳繃鑺傜偣鏍?wèi)鏉ゾl勭粐鐨勶紝涓�涓妭鐐癸紝浣犲彲浠ョ湅鎴愭槸絀洪棿涓殑鏌愪簺鍙樻崲鐨勭粍鍚堬紝濡備綅緗紝緙╂斁錛屾棆杞瓑錛岃繖浜涘彉鎹紝浼?xì)浣滅敤鍒版寕鎺ュ湪杩欎簺鑺傜偣涓婄殑鍏蜂綋鐨勭墿浣撶殑淇℃伅锛屼篃灏辨槸璇村Q岃妭鐐逛繚瀛樹簡</span><span>world transform</span><span>錛屽鍏蜂綋鐨勭墿浣擄紝濡備竴涓漢錛屽湪絀洪棿涓殑瀹氫綅錛岄兘鏄�氳繃鎿嶄綔鑺傜偣鏉ュ畬鎴愮殑銆傚悓鏃惰妭鐐硅繕淇濆瓨浜嗕竴涓笘鐣屽潗鏍囩殑</span><span>AABB</span><span>錛岃繖涓?/span><span>AABB</span><span>鑳藉綰蟲墍鏈夊畠鎵�鎸傛帴鐨勭墿浣撶殑澶у皬錛屼富瑕佹槸鐢ㄤ簬瑙嗛敟瑁佸噺鐨勶紝濡傛灉褰撳墠鎽勫儚鏈虹湅涓嶈鏌愪釜鑺傜偣鐨?/span><span>AABB</span><span>錛岄偅涔堣鏄庢憚鍍忔満鐪嬩笉瑙佽妭鐐規(guī)墍鎸傛帴鐨勬墍鏈夌墿浣擄紝鎵�浠ュ湪娓叉煋鏃跺彲浠ュ榪欎釜鑺傜偣瑙嗚�屼笉瑙併�?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;_updateSceneGraph</span><span>鐨勫唴閮ㄥ鐞嗘瘮杈冪箒鐞愶紝鎴戜滑鍙渶鐭ラ亾錛岀粡榪囦簡</span><span>_updateSceneGraph</span><span>錛屽満鏅妭鐐規(guī)爲(wèi)涓殑姣忎釜鑺傜偣閮界粡榪囦簡鏇存柊錛屽寘鎷綅緗紝緙╂斁錛屽拰鏂逛綅錛岃繕鏈夎妭鐐圭殑鍖呭洿鐩掋�?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;緇х畫鍥炲埌</span><span>SceneManager::_renderScene</span><span>錛屾帴涓嬫潵瑕佺湅鐨勬槸</span><span>setViewport</span><span>錛屽畠浼?xì)璋冪敤鍏蜂綋鐨?/span><span>renderer</span><span>鐨?/span><span>setviewport</span><span>鐨勬搷浣滐紝璁劇疆</span><span>viewport</span><span>涓墍鎸傛帴鐨?/span><span>render target</span><span>涓哄綋鍓嶆墍瑕佹覆鏌撶殑鐩爣錛?/span><span>viewport</span><span>涓殑鍖哄煙涓哄綋鍓嶆墍瑕佹覆鏌撶殑鐩爣涓殑鍖哄煙銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;鎺ヤ笅鏉ヨ紕板埌</span><span>OGRE</span><span>娓叉煋嫻佺▼涓殑涓�涓噸瑕佺殑姒傚康錛?/span><span>Render Queue</span><span>銆傝繖涓笢瑗垮疄鍦ㄥ唴瀹規(guī)瘮杈冨錛岃繕鏄互鍚庢湁鏈轟細(xì)鍗曠嫭鎻愬嚭鏉ヨ鍚э紝浣犲彲浠ョ畝鍗曟妸瀹冩兂鎴愭槸涓�涓鍣紝閲岄潰鐨勫厓绱犲氨鏄?/span><span>renderable</span><span>錛屾瘡涓?/span><span>renderable</span><span>鍙互鐪嬫垚鏄瘡嬈¤皟鐢?/span><span>drawprimitive</span><span>鍑芥暟鎵�娓叉煋鐨勭墿浣擄紝鍙互鏄竴涓ā鍨嬶紝涔熷彲浠ユ槸妯″瀷鐨勪竴閮ㄥ垎銆傚湪</span><span>RenderQueue</span><span>涓紝瀹冧細(xì)鎸夋潗璐ㄦ潵鍒嗙粍榪欎簺</span><span>renderable</span><span>錛岃繕浼?xì)瀵?/span><span>renderable</span><span>榪涜鎺掑簭銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp; &nbsp;鍦ㄦ瘡涓�嬈¤皟鐢?/span><span>SceneManager::_renderScene</span><span>鏃訛紝閮戒細(xì)璋冪敤</span><span>SceneManager::prepareRenderQueue</span><span>鏉ユ竻鐞?/span><span>RenderQueue</span><span>錛岀劧鍚庡啀璋冪敤</span><span>SceneManager::__findVisibleObjects</span><span>鏉ユ妸褰撳墠鎽勫儚鏈烘墍鑳界湅瑙佺殑鐗╀綋閮藉姞鍏ュ埌</span><span>RenderQueue</span><span>涓�?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SceneManager::__findVisibleObjects</span><span>鏄竴涓�掑綊鐨勫鐞嗚繃紼嬶紝瀹冧粠鍦烘櫙鐨勬牴鑺傜偣寮�濮嬶紝鍏堟鏌ユ憚鍍忔満鏄惁鑳界湅瑙佽繖涓妭鐐圭殑鍖呭洿鐩掞紙鍖呭洿鐩掑湪</span><span>_updateSceneGraph</span><span>鏃跺凡緇忚綆楀ソ浜嗭級錛屽鏋滅湅涓嶈錛岄偅涔堣繖涓妭鐐癸紝榪樻湁瀹冪殑瀛愯妭鐐歸兘涓嶇敤綆′簡銆傚鏋滆兘鐪嬭錛屽啀媯�嫻嬫寕鍦ㄨ繖涓妭鐐逛笂鐨勬墍鏈?/span><span>MovableObject</span><span>錛屽鏋滃綋鍓嶆墍媯�嫻嬬殑</span><span>MovableObject</span><span>鏄彲瑙佺殑錛屽氨浼?xì)璋冪敤瀹冪?/span><span>_updateRenderQueue</span><span>鏂規(guī)硶錛屼竴鑸湪榪欎釜鏂規(guī)硶閲屽氨鍙互鎶婂拰榪欎釜</span><span>MovableObject</span><span>鐩稿叧鐨?/span><span>renderable</span><span>閫佸叆</span><span>RenderQueue</span><span>浜嗐�?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;榪欓噷瑕佽璇?/span><span>MovableObject</span><span>錛?/span><span>MovableObject</span><span>涓昏鏄敤浜庤〃紺哄満鏅腑紱繪暎鐨勭墿浣擄紝濡?/span><span>Entity</span><span>錛岄【鍚嶆�濅箟錛岃兘縐誨姩鐨勭墿浣擄紝涓嶈繃瀹冪殑&#8220;鑳界Щ鍔?#8221;榪欎釜鑳藉姏鏄閫氳繃</span><span>SceneNode</span><span>鏉ュ疄鐜扮殑錛屾墍浠?/span><span>MovableObject</span><span>鏉ヨ兘鏄劇ず鍑烘潵錛岄鍏堝緱鍏堟寕鎺ュ湪鏌愪釜鍦烘櫙鑺傜偣涓婏紝閫氳繃鍦烘櫙鑺傜偣鏉ュ畾浣嶃�備綘鍙互鎺у埗</span><span>MovableObject</span><span>鐨勪竴浜涘睘鎬э紝濡傛煇涓?/span><span>MovableObject</span><span>鏄惁瑕佹樉紺猴紝鏄惁瑕侀殣钘忥紝閮藉彲浠ラ�氳繃</span><span>MovableObject::setVisible</span><span>鏂規(guī)硶鏉ュ疄鐜般�?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;媯�嫻嬪畬璇ヨ妭鐐逛笂鐨?/span><span>MovableObject</span><span>涔嬪悗錛屽氨緇х畫璋冪敤鎵�鏈夊瓙鑺傜偣鐨?/span><span>_findVisibleObjects</span><span>鏂規(guī)硶錛屼竴鐩撮�掑綊涓嬪幓銆傝繖鏍鳳紝灝辮兘鎶婂満鏅腑鎵�鏈夎娓叉煋鐨?/span><span>renderable</span><span>鎵�鍔犲叆鍒?/span><span>RenderQueue</span><span>涓簡銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;鑷蟲錛屾垜浠氨鎷ユ湁浜嗚娓叉煋鐨勭墿浣撶殑淇℃伅浜嗭紝鎺ヤ笅鏉ュ氨鏄榪欎簺鐗╀綋榪涜娓叉煋浜嗭紝浣犱細(xì)鍙戠幇璺?/span><span>D3D</span><span>鎴?/span><span>OpenGL</span><span>鐨勪唬鐮佸緢綾諱技鐨勮皟鐢細(xì)</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>mDestRenderSystem-&gt;clearFrameBuffer</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mDestRenderSystem-&gt;_beginFrame<span>&nbsp;&nbsp;&nbsp; </span></span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>mDestRenderSystem-&gt;_setProjectionMatrix</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>mDestRenderSystem-&gt;_setViewMatrix </span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>_renderVisibleObjects();</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;mDestRenderSystem-&gt;_endFrame();</span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;榪欎簺</span><span>api</span><span>鐨勪綔鐢ㄥ拰</span><span>D3D</span><span>涓殑綾諱技璋冪敤鐨勪綔鐢ㄩ兘宸笉澶氾紝榪欓噷鍐嶈涓�涓?/span><span>_renderVisibleObjects()</span><span>錛屽湪榪欎釜鍑芥暟涓紝浼?xì)瀵?/span><span>RenderQueue</span><span>涓殑姣忎釜</span><span>renderable</span><span>榪涜娓叉煋錛岀敤鐨勬槸</span><span>visitor</span><span>妯″紡鏉ラ亶鍘嗘搷浣滄瘡涓?/span><span>renderable</span><span>錛屾渶緇堝湪</span><span>SceneManager::renderSingleObject</span><span>涓彇鍑烘瘡涓?/span><span>renderable</span><span>鎵�淇濆瓨鐨勯《鐐癸紝绱㈠紩錛屼笘鐣岀煩闃電瓑淇℃伅錛屾潵榪涜娓叉煋銆傝繖鍏朵腑榪樺寘鎷簡鏌ユ壘紱昏</span><span>renderable</span><span>鏈�榪戠殑鍏夋簮絳夋搷浣滐紝姣旇緝澶嶆潅銆?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;鍒拌繖閲岋紝</span><span>SceneManager::_renderScene</span><span>鐨勬祦紼嬪熀鏈蛋瀹屼簡錛屼篃灝辨槸璇達(dá)紝</span><span>OGRE</span><span>涓�甯т腑鐨勬覆鏌撴祦紼嬪樊涓嶅涔熺粨鏉熶簡錛屼綘搴旇涔熷彂鐜幫紝榪欎釜嫻佺▼璺熶綘鐢?/span><span>D3D</span><span>鍐欎竴涓畝鍗曠▼搴忕殑嫻佺▼鍩烘湰鏄竴鏍風(fēng)殑錛屽湪榪欎釜嫻佺▼鐨勫熀紜�涓婏紝鍐嶅幓鐪嬪叿浣撶殑瀹炵幇錛屽鎬庝箞鏍瘋緗汗鐞嗭紝鎬庝箞鏍瘋皟鐢ㄤ綘鐔熸?zhèn)夌?/span><span>D3D</span><span>鎴?/span><span>OpenGL</span><span>鐨?/span><span>API</span><span>鏉ユ覆鏌撶墿浣擄紝搴旇浼?xì)绠�鍗曞緱澶氥�?/span></p>
<p><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;瀵?/span><span>OGRE</span><span>鐨勬覆鏌撴祦紼嬬殑澶ф浠嬬粛鍒拌繖閲屼篃緇撴潫浜嗭紝寰堝緇嗚妭閮芥病娑夊強錛屼互鍚庢湁鏈轟細(xì)鍐嶅啓鍚с�?/span></p>
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