{"id":659503,"date":"2011-08-09T02:44:06","date_gmt":"2011-08-09T02:44:06","guid":{"rendered":"http:\/\/sunblog.72pines.com\/?p=659449"},"modified":"2011-08-09T02:44:06","modified_gmt":"2011-08-09T02:44:06","slug":"behindtetris5-gamecore","status":"publish","type":"post","link":"https:\/\/www.sunjw.us\/blog\/behindtetris5-gamecore\/","title":{"rendered":"Behind Tetris5 – Game Core"},"content":{"rendered":"

Tetris5\u7684\u6e38\u620f\u903b\u8f91\u6838\u5fc3\u79fb\u690d\u81ea\u672c\u79d1\u7684\u4e00\u4e2aJ2ME\u8bfe\u7a0b\u8bbe\u8ba1\uff0c\u57fa\u4e8e\u6027\u80fd\u65b9\u9762\u7684\u8003\u8651\uff0c\u4f7f\u7528\u8be5\u6838\u5fc3\u8bbe\u8ba1\u7684\u624b\u673a\u7248\u4fc4\u7f57\u65af\u65b9\u5757\u53ef\u4ee5\u5728\u624b\u673a\u4e0a\u6d41\u7545\u8fd0\u884c\uff0c\u90a3\u4e48\u79fb\u690d\u5230JavaScript\u4e0a\u7684\u6027\u80fd\u5c06\u4f1a\u6709\u4fdd\u8bc1\uff0c\u5e76\u4e14\u6bd5\u7adfJavaScript\u548cJava\u8fd8\u662f\u6709\u4e00\u4e9b\u8054\u7cfb\uff0c\u4eceJava\u79fb\u690d\u7684\u96be\u5ea6\u4e5f\u76f8\u5bf9\u8f83\u5c0f\u3002JavaScript\u548cJava\u90fd\u662f\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u4f46\u662f\u5b83\u4eec\u5728\u5bf9\u8c61\u7684\u5b9e\u73b0\u65b9\u6cd5\u4e0a\u8fd8\u662f\u6709\u4e00\u4e9b\u4e0d\u540c\u3002Tetris5\u4e3b\u8981\u4f7f\u7528\u4e86\u4e24\u79cd\u5bf9\u8c61\u5b9a\u4e49\u65b9\u6cd5\uff1a\u51fd\u6570\u5bf9\u8c61\u548c\u5355\u6b21\u5bf9\u8c61\u3002\u51fd\u6570\u5bf9\u8c61\u7684\u5b9a\u4e49\u548c\u4f7f\u7528\u65b9\u6cd5\u4f8b\u5982\u4e0b\u9762\u7684\u4f8b\u5b50\uff08Block.js<\/a>\uff09\uff1a<\/p>\n

\nvar Pos = function () {\nthis.x = 0;\nthis.y = 0;\n};\n\nvar Block = function (type, initPos) {\nthis.blockType = type;\nthis.pos = new Pos(); \/\/ \u4f7f\u7528\u4e4b\u524d\u5b9a\u4e49\u7684Pos\u5bf9\u8c61\nthis.pos.x = initPos.x;\nthis.pos.y = initPos.y;\nthis.style = 0;\n\/\/ ...\nthis.Down = function() {\nthis.pos.y--;\nreturn this.pos;\n};\n\/\/ ...\n};\n<\/pre>\n
\u8fd9\u79cd\u5b9a\u4e49\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a\u51fd\u6570\u5b9e\u4f8b\uff0c\u5728\u4e0d\u540c\u7684\u573a\u5408\u4f7f\u7528\u3002\u6240\u4ee5\u50cf\u4f4d\u7f6e\u548c\u5757\u5bf9\u8c61\u91c7\u7528\u4e86\u8fd9\u79cd\u65b9\u6cd5\uff0c\u5b83\u4eec\u5728\u6e38\u620f\u8fdb\u884c\u7684\u8fc7\u7a0b\u4e2d\u4f1a\u88ab\u591a\u6b21\u521b\u5efa\u548c\u9500\u6bc1\u3002<\/p>\n
<\/p>\n
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var Game = {\n\/\/ ...\nm_ground : new Array(10),\nm_base : new Array(10),\n\/\/ ...\ninit : function (gameUI) {\nGame.m_running = false;\nGame.m_effecting = false;\nGame.m_iScore = 0;\nGame.m_nLevel = 0;\nGame.m_nInitLevel = 0;\nGame.m_nextType = -1;\nGame.m_paused = false;\nGame.m_cheat = false;\nGame.m_isAutoUpBase = 0;\nGame.m_gameUI = gameUI;\n\/\/ ...\n},\n\/\/ ...\n};<\/pre>\n
Game\u5bf9\u8c61\u6bcf\u6b21\u9875\u9762\u52a0\u8f7d\u540e\u53ea\u4f1a\u6839\u636e\u751f\u6210\u4e00\u6b21\uff0c\u4e4b\u540e\u4e00\u76f4\u7531\u8be5\u5bf9\u8c61\u6839\u636eGameUI\u63d0\u4f9b\u7684\u64cd\u4f5c\u63a7\u5236\u6e38\u620f\u6570\u636e\uff0c\u76f4\u81f3\u7528\u6237\u5173\u95ed\u9875\u9762\u3002GameUI<\/a>\u4e5f\u662f\u4e00\u4e2a\u5355\u8bcd\u5bf9\u8c61\uff0c\u5b83\u8d1f\u8d23\u63a5\u6536\u7528\u6237\u64cd\u4f5c\uff0c\u663e\u793a\u754c\u9762\uff0c\u6e38\u620f\u65f6\u8bfb\u53d6Game\u5bf9\u8c61\u6570\u636e\uff0c\u6e32\u67d3\u6e38\u620f\u753b\u9762\u3002<\/p>\n
Tetris5\u7684\u5bf9\u8c61\u7ed3\u6784\u793a\u610f\u56fe\u5982\u4e0b\uff1a<\/p>\n
\"struct\"<\/a><\/p>\n
\"debug\"<\/a><\/p>\n
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Game\u4e2d\u5c01\u88c5\u7684\u6e38\u620f\u903b\u8f91\u6839\u636eGameUI\u53d1\u9001\u6765\u7684\u64cd\u4f5c\u79fb\u52a8\u4e0b\u843d\u5757\uff0c\u5f53\u4e0b\u843d\u5757\u5230\u5e95\u90e8\u540e\uff0c\u5c06\u4e0b\u843d\u5757\u5199\u5165\u5e95\u90e8\u79ef\u7d2f\u5757\u7684\u6570\u7ec4\uff0c\u91cd\u65b0\u5728\u9876\u90e8\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Block\u5bf9\u8c61\uff0c\u4f5c\u4e3a\u65b0\u4e0b\u843d\u5757\u3002\u64cd\u4f5c\u5b8c\u6210\u540e\uff0cGameUI\u4f1a\u8c03\u7528Game.Display()\u5f97\u5230\u4e00\u4e2a\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u5c06\u4e0b\u843d\u5757\u548c\u5e95\u90e8\u79ef\u7d2f\u5757\u7684\u4fe1\u606f\u6574\u5408\u5728\u4e00\u8d77\uff0cGameUI.paint()\u51fd\u6570\u6839\u636e\u8be5\u6570\u7ec4\uff0c\u5728Canvas\u4e0a\u6e32\u67d3\u6e38\u620f\u3002Game\u5bf9\u8c61\u5c01\u88c5\u7684\u4e0b\u964d\u8ba1\u65f6\u5668\u4e5f\u4f1a\u76f4\u63a5\u64cd\u4f5c\u4e0b\u964d\u5757\u4f7f\u5176\u81ea\u52a8\u4e0b\u843d\uff0c\u4e0b\u843d\u5b8c\u6210\u540e\uff0cGame\u5bf9\u8c61\u901a\u8fc7\u81ea\u5df1\u7684m_gameUI\u6210\u5458\u53d8\u91cf\u8981\u6c42GameUI\u91cd\u7ed8\u3002<\/p>\n
\u4f7f\u7528JavaScript\u548cCanvas\u6e32\u67d3\u6e38\u620f\u753b\u9762\u5341\u5206\u7b80\u5355\uff0c\u6839\u636e\u5757\u7684\u4f4d\u7f6e\u548c\u5757\u56fe\u7247\u7684\u5927\u5c0f\u8ba1\u7b97\u51fa\u5757\u5de6\u4e0a\u89d2\u7684\u5750\u6807\uff0c\u5c06\u76f8\u5e94\u989c\u8272\u7684\u5757\u56fe\u7247\u7ed8\u5236\u51fa\u6765\u5373\u53ef\u3002\u4e3b\u8981\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
var i = 0;
\nvar j = 19;
\nfor (; j >= 0; –j) {
\ni = 0;
\nfor (; i < 10; ++i) {\nvar curBlock = GameUI.m_gameVector[i][j];\n\/\/ ...\nif (GameUI.m_canvasDraw.fillRect) {\nGameUI.m_canvasDraw.drawImage(\nGameUI.m_blockImgs[curBlock], i * 18, (19 - j) * 18);\n}\n\/\/ ...\n}\n}[\/sourcecode]\n\nGameUI.m_canvasDraw\u5728GameUI\u521d\u59cb\u5316\u65f6\u901a\u8fc7GameUI.m_canvas.getContext('2d')\u505a\u4e86\u51c6\u5907\uff0c\u5c06Canvas\u5143\u7d20\u76842D\u4e0a\u4e0b\u6587\u9884\u5148\u53d6\u51fa\u3002\n\n\u7531\u4e8eJavaScript\u5355\u7ebf\u7a0b\u7684\u7279\u70b9\uff0c\u4f7f\u5f97Game\u5bf9\u8c61\u5728\u6e32\u67d3\u6e38\u620f\u65f6\u4e0e\u539f\u59cb\u7684Java\u7248\u672c\u5728\u5b9e\u73b0\u7684\u7ec6\u8282\u4e0a\u6709\u4e00\u4e9b\u533a\u522b\u3002Java\u5728Canvas\u7684repaint()\u8c03\u7528\u540e\u4f1a\u7acb\u5373\u8fd4\u56de\uff0c\u7ee7\u7eed\u54cd\u5e94\u64cd\u4f5c\uff0c\u5c31\u53ef\u80fd\u4f1a\u51fa\u73b0\u753b\u9762\u5e76\u672a\u771f\u6b63\u6e32\u67d3\u5b8c\u6210\uff0c\u800c\u6e38\u620f\u6570\u636e\u5df2\u7ecf\u53d1\u751f\u53d8\u5316\u3002\u4f7f\u5f97\u5728\u6027\u80fd\u8f83\u4f4e\u7684\u8bbe\u5907\u4e0a\u8fd0\u884c\u65f6\uff0c\u4e0b\u843d\u5757\u53ef\u80fd\u4f1a\u51fa\u73b0\u8df3\u8dc3\u7684\u73b0\u8c61\u3002\u800cJavaScript\u7684Canvas\u64cd\u4f5c\u90fd\u662f\u540c\u6b65\u51fd\u6570\uff0c\u64cd\u4f5c\u6ca1\u6709\u5b8c\u6210\u524d\u4e0d\u4f1a\u8fd4\u56de\uff0c\u6240\u4ee5GameUI\u5fc5\u987b\u5c06\u6e38\u620f\u5b8c\u5168\u6e32\u67d3\u5b8c\u6210\u624d\u80fd\u7ee7\u7eed\u54cd\u5e94\u7528\u6237\u64cd\u4f5c\uff0c\u8fd9\u6837\u5c31\u4e0d\u9700\u8981\u7279\u522b\u8003\u8651\u6570\u636e\u540c\u6b65\u7684\u95ee\u9898\u3002\u5305\u62ec\u5728\u663e\u793a\u6d88\u53bb\u52a8\u753b\u6548\u679c\u7684\u65f6\u5019\uff0cJava\u7248\u672c\u9700\u8981\u901a\u8fc7\u4e00\u4e9b\u8def\u969c\u53d8\u91cf\u540c\u6b65\u64cd\u4f5c\uff0c\u800cJavaScript\u7248\u672c\u5219\u4e0d\u9700\u8981\u8fd9\u4e9b\u8def\u969c\u53d8\u91cf\uff0c\u56e0\u4e3a\u5728\u663e\u793a\u52a8\u753b\u65f6\uff0cGameUI\u4e0d\u4f1a\u7acb\u5373\u54cd\u5e94\u64cd\u4f5c\u3002\n\n\u73a9\u5bb6\u7684\u6e38\u620f\u6570\u636e\u4f7f\u7528HTML5\u4e2d\u65b0\u7684localStorage\u5b58\u50a8\uff0clocalStorage\u5728\u6d4f\u89c8\u5668\u7aef\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u7684key\/value\u5b58\u50a8\u65b9\u6848\uff0c\u5b83\u4e0d\u50cfCookies\uff0c\u5e76\u4e0d\u5728\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u9001\uff0c\u53ea\u80fd\u672c\u5730\u8bbf\u95ee\u3002localStorage\u662f\u7f51\u7edc\u5e94\u7528\u5b58\u50a8\u4e00\u4e9b\u4e2a\u4eba\u8bbe\u7f6e\u7684\u5b8c\u5584\u7684Cookies\u66ff\u4ee3\u54c1\uff0c\u5b83\u4e0d\u9700\u8981\u4f20\u9001\u81f3\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u52a0\u5feb\u8bbf\u95ee\u901f\u5ea6\uff0c\u4e5f\u53ef\u4ee5\u51cf\u5c11\u9690\u79c1\u6570\u636e\u6cc4\u6f0f\u7684\u95ee\u9898\u3002localStorage\u7684\u4f7f\u7528\u5f88\u7b80\u5355\uff0c\u5c31\u50cf\u4e00\u822c\u7684JavaScript key\/value\u5173\u8054\u6570\u7ec4\u4e00\u6837\uff1a\n\n\u5b58\u50a8\uff1a\n[sourcecode language=\"javascript\"]localStorage[\"m_curBlock.blockType\"] = GameUI.m_game.m_curBlock.blockType;\nlocalStorage[\"m_curBlock.pos.x\"] = GameUI.m_game.m_curBlock.pos.x;\nlocalStorage[\"m_curBlock.pos.y\"] = GameUI.m_game.m_curBlock.pos.y;\nlocalStorage[\"m_curBlock.style\"] = GameUI.m_game.m_curBlock.style;\nlocalStorage[\"m_curBlock.color\"] = GameUI.m_game.m_curBlock.color;[\/sourcecode]\n\n\u8bfb\u53d6\uff1a\n[sourcecode language=\"javascript\"]var blockPos = new Pos();\nblockPos.x = parseInt(localStorage[\"m_curBlock.pos.x\"]);\nblockPos.y = parseInt(localStorage[\"m_curBlock.pos.y\"]);\nGameUI.m_game.m_curBlock =\nnew Block(parseInt(localStorage[\"m_curBlock.blockType\"]), blockPos);\nGameUI.m_game.m_curBlock.style =\nparseInt(localStorage[\"m_curBlock.style\"]);\nGameUI.m_game.m_curBlock.color =\nparseInt(localStorage[\"m_curBlock.color\"]);[\/sourcecode]\n\n\u8981\u6ce8\u610f\u7684\u662f\uff0c\u76ee\u524dlocalStorage\u53ea\u80fd\u5b58\u50a8\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u6570\u636e\uff0c\u6240\u4ee5\u5728\u5b58\u50a8\u65f6\uff0c\u5bf9\u8c61\u9700\u8981\u62c6\u5206\u6210\u5355\u72ec\u7684\u5c5e\u6027\u8fdb\u884c\u5b58\u50a8\u3002\u5728\u8bfb\u53d6\u65f6\uff0c\u6570\u5b57\u9700\u8981\u8f6c\u6362\uff0c\u5bf9\u8c61\u9700\u8981\u91cd\u65b0\u7ec4\u88c5\u3002\n<\/p>\n","protected":false},"excerpt":{"rendered":"
Tetris5\u7684\u6e38\u620f\u903b\u8f91\u6838\u5fc3\u79fb\u690d\u81ea\u672c\u79d1\u7684\u4e00\u4e2aJ2ME\u8bfe\u7a0b\u8bbe\u8ba1\uff0c\u57fa\u4e8e\u6027\u80fd\u65b9\u9762\u7684\u8003\u8651\uff0c\u4f7f\u7528\u8be5\u6838\u5fc3\u8bbe\u8ba1\u7684\u624b\u673a\u7248\u4fc4\u7f57\u65af […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[28,44,104,120,126,136,200,201,249],"class_list":["post-659503","post","type-post","status-publish","format-standard","hentry","category-13","tag-ajax","tag-canvas","tag-html5","tag-javascript","tag-js","tag-localstorage","tag-tetris","tag-tetris5","tag-249"],"_links":{"self":[{"href":"https:\/\/www.sunjw.us\/blog\/wp-json\/wp\/v2\/posts\/659503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sunjw.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sunjw.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sunjw.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sunjw.us\/blog\/wp-json\/wp\/v2\/comments?post=659503"}],"version-history":[{"count":0,"href":"https:\/\/www.sunjw.us\/blog\/wp-json\/wp\/v2\/posts\/659503\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sunjw.us\/blog\/wp-json\/wp\/v2\/media?parent=659503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sunjw.us\/blog\/wp-json\/wp\/v2\/categories?post=659503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sunjw.us\/blog\/wp-json\/wp\/v2\/tags?post=659503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}