{"id":89329,"date":"2026-08-02T20:32:54","date_gmt":"2026-08-02T12:32:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/89329.html"},"modified":"2026-08-02T20:32:54","modified_gmt":"2026-08-02T12:32:54","slug":"%e5%9d%a6%e5%85%8b%e5%a4%a7%e6%88%98%e6%b8%b8%e6%88%8f%e5%bc%80%e5%8f%91%e5%ae%9e%e6%88%98%e4%ba%8c%e5%8d%81%e4%ba%8c-harmonyos%e6%b8%b8%e6%88%8f%e5%bc%80%e5%8f%91%e6%9c%80%e4%bd%b3%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/89329.html","title":{"rendered":"\u5766\u514b\u5927\u6218\u6e38\u620f\u5f00\u53d1\u5b9e\u6218(\u4e8c\u5341\u4e8c)-HarmonyOS\u6e38\u620f\u5f00\u53d1\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"<h2>\u5766\u514b\u5927\u6218\u6e38\u620f\u5f00\u53d1\u5b9e\u6218(\u4e8c\u5341\u4e8c)-HarmonyOS\u6e38\u620f\u5f00\u53d1\u6700\u4f73\u5b9e\u8df5<\/h2>\n<h3>\u524d\u8a00<\/h3>\n<p>HarmonyOS\u4f5c\u4e3a\u534e\u4e3a\u81ea\u4e3b\u7814\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf&#xff0c;\u4e3a\u6e38\u620f\u5f00\u53d1\u63d0\u4f9b\u4e86\u5168\u65b0\u7684\u5e73\u53f0\u548c\u673a\u9047\u3002\u672c\u6587\u5c06\u603b\u7ed3HarmonyOS\u6e38\u620f\u5f00\u53d1\u7684\u6700\u4f73\u5b9e\u8df5&#xff0c;\u5305\u62ec\u4ee3\u7801\u89c4\u8303\u3001\u67b6\u6784\u8bbe\u8ba1\u3001\u6027\u80fd\u5efa\u8bae\u3001\u5e73\u53f0\u7279\u6027\u7b49\u5185\u5bb9\u3002<\/p>\n<h4>HarmonyOS\u6e38\u620f\u5f00\u53d1\u7279\u70b9<\/h4>\n<li>ArkTS\u8bed\u8a00&#xff1a;\u57fa\u4e8eTypeScript\u7684\u58f0\u660e\u5f0f\u5f00\u53d1\u8bed\u8a00<\/li>\n<li>ArkUI\u6846\u67b6&#xff1a;\u58f0\u660e\u5f0fUI\u6846\u67b6&#xff0c;\u9ad8\u6548\u7b80\u6d01<\/li>\n<li>\u5206\u5e03\u5f0f\u80fd\u529b&#xff1a;\u652f\u6301\u8de8\u8bbe\u5907\u534f\u540c<\/li>\n<li>\u6027\u80fd\u4f18\u5316&#xff1a;\u9488\u5bf9HarmonyOS\u5e73\u53f0\u4f18\u5316<\/li>\n<p>#mermaid-svg-qmfuZ74YWMOc3SmO{font-family:\\&#8221;trebuchet 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.flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-qmfuZ74YWMOc3SmO rect.text{fill:none;stroke-width:0;}#mermaid-svg-qmfuZ74YWMOc3SmO .icon-shape,#mermaid-svg-qmfuZ74YWMOc3SmO .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-qmfuZ74YWMOc3SmO .icon-shape p,#mermaid-svg-qmfuZ74YWMOc3SmO .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-qmfuZ74YWMOc3SmO .icon-shape .label rect,#mermaid-svg-qmfuZ74YWMOc3SmO .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-qmfuZ74YWMOc3SmO .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-qmfuZ74YWMOc3SmO .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-qmfuZ74YWMOc3SmO :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/span><span class=\"nodeLabel\"><\/p>\n<p>HarmonyOS\u6e38\u620f\u5f00\u53d1<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u8bed\u8a00\u7279\u6027<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u6846\u67b6\u4f7f\u7528<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u6027\u80fd\u4f18\u5316<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u5e73\u53f0\u9002\u914d<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>ArkTS\u8bed\u6cd5<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u7c7b\u578b\u5b89\u5168<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u58f0\u660e\u5f0fUI<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u72b6\u6001\u7ba1\u7406<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u6e32\u67d3\u4f18\u5316<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u5185\u5b58\u7ba1\u7406<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u5c4f\u5e55\u9002\u914d<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u8f93\u5165\u5904\u7406<\/p>\n<p><\/span><\/p>\n<h3>\u4e00\u3001\u4ee3\u7801\u89c4\u8303<\/h3>\n<h4>1.1 \u547d\u540d\u89c4\u8303<\/h4>\n<p>\u9075\u5faa\u7edf\u4e00\u7684\u547d\u540d\u89c4\u8303&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u7c7b\u540d&#xff1a;\u5927\u9a7c\u5cf0<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GameEngine<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u63a5\u53e3\u540d&#xff1a;\u5927\u9a7c\u5cf0&#xff0c;\u4ee5I\u5f00\u5934<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">IGameState<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u51fd\u6570\u540d&#xff1a;\u5c0f\u9a7c\u5cf0<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">calculateDistance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u53d8\u91cf\u540d&#xff1a;\u5c0f\u9a7c\u5cf0<\/span><br \/>\n<span class=\"token keyword\">let<\/span> playerScore<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5e38\u91cf\u540d&#xff1a;\u5168\u5927\u5199\u4e0b\u5212\u7ebf<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token constant\">MAX_ENEMY_COUNT<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u679a\u4e3e\u540d&#xff1a;\u5927\u9a7c\u5cf0<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">enum<\/span> GameState <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token constant\">PLAYING<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;playing&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token constant\">PAUSED<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;paused&#039;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>1.2 \u6587\u4ef6\u7ec4\u7ec7<\/h4>\n<p>\u5408\u7406\u7684\u6587\u4ef6\u7ec4\u7ec7\u7ed3\u6784&#xff1a;<\/p>\n<p>src\/<br \/>\n\u251c\u2500\u2500 game\/              # \u6e38\u620f\u6838\u5fc3\u4ee3\u7801<br \/>\n\u2502   \u251c\u2500\u2500 engine\/        # \u5f15\u64ce\u6a21\u5757<br \/>\n\u2502   \u251c\u2500\u2500 entity\/        # \u5b9e\u4f53\u6a21\u5757<br \/>\n\u2502   \u251c\u2500\u2500 systems\/       # \u7cfb\u7edf\u6a21\u5757<br \/>\n\u2502   \u2514\u2500\u2500 utils\/         # \u5de5\u5177\u6a21\u5757<br \/>\n\u251c\u2500\u2500 ui\/                # UI\u7ec4\u4ef6<br \/>\n\u251c\u2500\u2500 data\/              # \u6570\u636e\u7ba1\u7406<br \/>\n\u2514\u2500\u2500 types\/             # \u7c7b\u578b\u5b9a\u4e49<\/p>\n<h4>1.3 \u6ce8\u91ca\u89c4\u8303<\/h4>\n<p>\u7f16\u5199\u6e05\u6670\u7684\u6ce8\u91ca&#xff1a;<\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u6e38\u620f\u5f15\u64ce\u7c7b<br \/>\n * \u8d1f\u8d23\u6e38\u620f\u4e3b\u5faa\u73af\u548c\u7cfb\u7edf\u534f\u8c03<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GameEngine<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/**<br \/>\n   * \u521d\u59cb\u5316\u6e38\u620f\u5f15\u64ce<br \/>\n   * &#064;param config \u6e38\u620f\u914d\u7f6e<br \/>\n   * &#064;returns \u662f\u5426\u521d\u59cb\u5316\u6210\u529f<br \/>\n   *\/<\/span><br \/>\n  <span class=\"token function\">init<\/span><span class=\"token punctuation\">(<\/span>config<span class=\"token operator\">:<\/span> GameConfig<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b9e\u73b0\u903b\u8f91<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u4e8c\u3001\u67b6\u6784\u8bbe\u8ba1<\/h3>\n<h4>2.1 \u6a21\u5757\u5316\u8bbe\u8ba1<\/h4>\n<p>\u91c7\u7528\u6a21\u5757\u5316\u8bbe\u8ba1&#xff0c;\u964d\u4f4e\u8026\u5408&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u6e38\u620f\u5f15\u64ce\u6a21\u5757<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GameEngine<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> renderSystem<span class=\"token operator\">:<\/span> RenderSystem<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> collisionSystem<span class=\"token operator\">:<\/span> CollisionSystem<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> inputSystem<span class=\"token operator\">:<\/span> InputSystem<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">constructor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderSystem <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RenderSystem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>collisionSystem <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CollisionSystem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>inputSystem <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputSystem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.2 \u5355\u4f8b\u6a21\u5f0f<\/h4>\n<p>\u5408\u7406\u4f7f\u7528\u5355\u4f8b\u6a21\u5f0f&#xff1a;<\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GameStateManager<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> instance<span class=\"token operator\">:<\/span> GameStateManager<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">private<\/span> <span class=\"token function\">constructor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u79c1\u6709\u6784\u9020\u51fd\u6570<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">static<\/span> <span class=\"token function\">getInstance<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> GameStateManager <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>GameStateManager<span class=\"token punctuation\">.<\/span>instance<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      GameStateManager<span class=\"token punctuation\">.<\/span>instance <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">GameStateManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> GameStateManager<span class=\"token punctuation\">.<\/span>instance<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.3 \u89c2\u5bdf\u8005\u6a21\u5f0f<\/h4>\n<p>\u4f7f\u7528\u89c2\u5bdf\u8005\u6a21\u5f0f\u5b9e\u73b0\u4e8b\u4ef6\u7cfb\u7edf&#xff1a;<\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EventEmitter<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> listeners<span class=\"token operator\">:<\/span> Map<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">Function<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> callback<span class=\"token operator\">:<\/span> <span class=\"token builtin\">Function<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>listeners<span class=\"token punctuation\">.<\/span><span class=\"token function\">has<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>listeners<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>listeners<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">)<\/span><span class=\"token operator\">!<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">emit<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8230;<\/span>args<span class=\"token operator\">:<\/span> <span class=\"token builtin\">any<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> callbacks <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>listeners<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>callbacks<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      callbacks<span class=\"token punctuation\">.<\/span><span class=\"token function\">forEach<\/span><span class=\"token punctuation\">(<\/span>cb <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8230;<\/span>args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u4e09\u3001\u72b6\u6001\u7ba1\u7406<\/h3>\n<h4>3.1 &#064;State\u88c5\u9970\u5668<\/h4>\n<p>\u4f7f\u7528&#064;State\u7ba1\u7406\u7ec4\u4ef6\u72b6\u6001&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct GamePage <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> <span class=\"token keyword\">private<\/span> score<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> <span class=\"token keyword\">private<\/span> lives<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">State<\/span><\/span> <span class=\"token keyword\">private<\/span> isPaused<span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Column<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u5f97\u5206: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>score<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u751f\u547d: <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>lives<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.2 &#064;Prop\u88c5\u9970\u5668<\/h4>\n<p>\u4f7f\u7528&#064;Prop\u4f20\u9012\u6570\u636e&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct PlayerInfo <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Prop<\/span><\/span> playerName<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Prop<\/span><\/span> score<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Row<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>playerName<span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token function\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>score<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.3 &#064;Link\u88c5\u9970\u5668<\/h4>\n<p>\u4f7f\u7528&#064;Link\u5b9e\u73b0\u53cc\u5411\u7ed1\u5b9a&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct HealthBar <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Link<\/span><\/span> health<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Progress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> value<span class=\"token operator\">:<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>health<span class=\"token punctuation\">,<\/span> total<span class=\"token operator\">:<\/span> <span class=\"token number\">100<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u56db\u3001\u6027\u80fd\u4f18\u5316<\/h3>\n<h4>4.1 \u6e32\u67d3\u4f18\u5316<\/h4>\n<p>\u9488\u5bf9HarmonyOS\u5e73\u53f0\u4f18\u5316\u6e32\u67d3&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528Canvas\u6e32\u67d3\u6e38\u620f<\/span><br \/>\n<span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct GameCanvas <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> settings<span class=\"token operator\">:<\/span> RenderingContextSettings <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RenderingContextSettings<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> context<span class=\"token operator\">:<\/span> CanvasRenderingContext2D <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CanvasRenderingContext2D<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>settings<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Canvas<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">onReady<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">startRender<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">private<\/span> <span class=\"token function\">startRender<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u542f\u52a8\u6e32\u67d3\u5faa\u73af<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.2 \u5185\u5b58\u4f18\u5316<\/h4>\n<p>\u5408\u7406\u7ba1\u7406\u5185\u5b58&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u53ca\u65f6\u91ca\u653e\u8d44\u6e90<\/span><br \/>\n<span class=\"token function\">aboutToDisappear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u6e05\u7406\u8d44\u6e90<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">cleanup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u91ca\u653e\u5f15\u7528<\/span><br \/>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>gameEngine <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528\u5bf9\u8c61\u6c60<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ObjectPool<span class=\"token operator\">&lt;<\/span><span class=\"token constant\">T<\/span><span class=\"token operator\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> pool<span class=\"token operator\">:<\/span> <span class=\"token constant\">T<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">acquire<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token constant\">T<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>pool<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">release<\/span><span class=\"token punctuation\">(<\/span>obj<span class=\"token operator\">:<\/span> <span class=\"token constant\">T<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>pool<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>obj<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.3 \u66f4\u65b0\u4f18\u5316<\/h4>\n<p>\u4f18\u5316\u66f4\u65b0\u903b\u8f91&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528\u810f\u6807\u8bb0\u907f\u514d\u4e0d\u5fc5\u8981\u66f4\u65b0<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DirtyFlag<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> dirty<span class=\"token operator\">:<\/span> <span class=\"token builtin\">boolean<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">markDirty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>dirty <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>dirty<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6267\u884c\u66f4\u65b0<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">doUpdate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>dirty <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u4e94\u3001\u5e73\u53f0\u9002\u914d<\/h3>\n<h4>5.1 \u5c4f\u5e55\u9002\u914d<\/h4>\n<p>\u9002\u914d\u4e0d\u540c\u5c4f\u5e55\u5c3a\u5bf8&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6\u5c4f\u5e55\u4fe1\u606f<\/span><br \/>\n<span class=\"token keyword\">import<\/span> display <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;ohos.display&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ScreenAdapter<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> screenWidth<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> screenHeight<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> density<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> displayInfo <span class=\"token operator\">&#061;<\/span> display<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDefaultDisplaySync<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>screenWidth <span class=\"token operator\">&#061;<\/span> displayInfo<span class=\"token punctuation\">.<\/span>width<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>screenHeight <span class=\"token operator\">&#061;<\/span> displayInfo<span class=\"token punctuation\">.<\/span>height<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>density <span class=\"token operator\">&#061;<\/span> displayInfo<span class=\"token punctuation\">.<\/span>densityPixels<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u8f6c\u6362dp\u5230px<\/span><br \/>\n  <span class=\"token function\">dp2px<\/span><span class=\"token punctuation\">(<\/span>dp<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> dp <span class=\"token operator\">*<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>density<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>5.2 \u8f93\u5165\u5904\u7406<\/h4>\n<p>\u5904\u7406\u89e6\u6478\u548c\u6309\u952e\u8f93\u5165&#xff1a;<\/p>\n<p><span class=\"token decorator\"><span class=\"token at operator\">&#064;<\/span><span class=\"token function\">Component<\/span><\/span><br \/>\n<span class=\"token keyword\">export<\/span> struct GameInput <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Stack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">width<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">height<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;100%&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">onTouch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">:<\/span> TouchEvent<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">handleTouch<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">.<\/span><span class=\"token function\">onKeyEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">:<\/span> KeyEvent<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">handleKey<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">private<\/span> <span class=\"token function\">handleTouch<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">:<\/span> TouchEvent<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5904\u7406\u89e6\u6478\u4e8b\u4ef6<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">private<\/span> <span class=\"token function\">handleKey<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token operator\">:<\/span> KeyEvent<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5904\u7406\u6309\u952e\u4e8b\u4ef6<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>5.3 \u6743\u9650\u7ba1\u7406<\/h4>\n<p>\u6b63\u786e\u7533\u8bf7\u6743\u9650&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ module.json5\u4e2d\u58f0\u660e\u6743\u9650<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token string-property property\">&#034;module&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token string-property property\">&#034;requestPermissions&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;ohos.permission.INTERNET&#034;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u516d\u3001\u8c03\u8bd5\u6280\u5de7<\/h3>\n<h4>6.1 \u65e5\u5fd7\u8f93\u51fa<\/h4>\n<p>\u4f7f\u7528HiLog\u8f93\u51fa\u65e5\u5fd7&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> hilog <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;ohos.hilog&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token constant\">TAG<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;GameEngine&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Logger<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">static<\/span> <span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    hilog<span class=\"token punctuation\">.<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0x0000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">TAG<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">static<\/span> <span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    hilog<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0x0000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">TAG<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">static<\/span> <span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    hilog<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0x0000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">TAG<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>6.2 \u6027\u80fd\u76d1\u63a7<\/h4>\n<p>\u76d1\u63a7\u6027\u80fd\u6307\u6807&#xff1a;<\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PerformanceMonitor<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> startTime<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>startTime <span class=\"token operator\">&#061;<\/span> Date<span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> Date<span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>startTime<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u4e03\u3001\u8d44\u6e90\u7ba1\u7406<\/h3>\n<h4>7.1 \u8d44\u6e90\u52a0\u8f7d<\/h4>\n<p>\u6b63\u786e\u52a0\u8f7d\u8d44\u6e90&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u52a0\u8f7d\u56fe\u7247<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ImageLoader<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> images<span class=\"token operator\">:<\/span> Map<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> ImageBitmap<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">async<\/span> <span class=\"token function\">load<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> path<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token builtin\">Promise<\/span><span class=\"token operator\">&lt;<\/span>ImageBitmap<span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> response <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetch<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> blob <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">blob<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> image <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">createImageBitmap<\/span><span class=\"token punctuation\">(<\/span>blob<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>images<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">,<\/span> image<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> image<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>7.2 \u8d44\u6e90\u91ca\u653e<\/h4>\n<p>\u53ca\u65f6\u91ca\u653e\u8d44\u6e90&#xff1a;<\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ResourceManager<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">private<\/span> resources<span class=\"token operator\">:<\/span> Map<span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">any<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">release<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> resource <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>resources<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>resource <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token keyword\">typeof<\/span> resource<span class=\"token punctuation\">.<\/span>release <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;function&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      resource<span class=\"token punctuation\">.<\/span><span class=\"token function\">release<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>resources<span class=\"token punctuation\">.<\/span><span class=\"token function\">delete<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">releaseAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>resources<span class=\"token punctuation\">.<\/span><span class=\"token function\">forEach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>resource<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token 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