{"id":207,"date":"2024-03-21T17:03:33","date_gmt":"2024-03-21T09:03:33","guid":{"rendered":"https:\/\/www.vanforever.com.cn\/?p=207"},"modified":"2026-03-21T14:53:14","modified_gmt":"2026-03-21T06:53:14","slug":"ue%e7%ba%b9%e7%90%86%e5%ad%a6%e4%b9%a0%e4%b9%8b%e8%b7%af","status":"publish","type":"post","link":"https:\/\/www.vanforever.com.cn\/?p=207","title":{"rendered":"UE\u7eb9\u7406\u5b66\u4e60\u4e4b\u8def"},"content":{"rendered":"<div  class='collapse-block shadow-sm collapse-block-transparent collapsed hide-border-left'><div class='collapse-block-title'><span class='collapse-block-title-inner'>\u7279\u8272\u56fe\u7247\u67e5\u770b<\/span><i class='collapse-icon fa fa-angle-down'><\/i><\/div><div class='collapse-block-body' style='display:none;'><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic.vanforever.com.cn\/Vanforever\/20231018\/wallhaven-x6pl9v_3840x2400.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large\" data-original=\"https:\/\/pic.vanforever.com.cn\/Vanforever\/20231018\/wallhaven-x6pl9v_3840x2400.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" width=\"3840\" height=\"2400\" \/><\/div><\/div><\/div>\n<h1 id=\"ue\u7eb9\u7406\u5b66\u4e60\u4e4b\u8def\">UE\u7eb9\u7406\u5b66\u4e60\u4e4b\u8def<\/h1>\n<h2 id=\"\u6eb6\u89e3\u6548\u679c\">\u6eb6\u89e3\u6548\u679c<\/h2>\n<p>1.\u5728Materials\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u65b0\u7684\u6750\u8d28<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240321\/2024032101.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240321\/2024032101.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>2.\u4ece\u7b2c\u4e8c\u5f20\u56fe\u7247\u4e2d,\u6211\u4eec\u53ef\u4ee5\u4e86\u89e3\u5230\u4ee5\u4e0b\u77e5\u8bc6\u70b9<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240321\/2024032102.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240321\/2024032102.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" \/><\/div><\/p>\n<p>Clamp \u786e\u4fdd\u503c\u5904\u4e8e\u4e00\u4e2a\u56fa\u5b9a\u7684\u8303\u56f4<\/p>\n<pre><code class=\"language-c++\" lang=\"c++\">template&lt; uint32 Num &gt;\nFORCEINLINE TAffine&lt; float, Num &gt; Clamp( const TAffine&lt; float, Num &gt;&amp; x, float Min, float Max )\n{\n\t\/\/ Using Chebyshev approximation\n\tfloat xMin = x.GetMin();\n\tfloat xMax = x.GetMax();\n\tfloat FuncMin = FMath::Clamp( xMin, Min, Max );\n\tfloat FuncMax = FMath::Clamp( xMax, Min, Max );\n\n\tif( Min &lt;= xMin &amp;&amp; xMax &lt;= Max )\n\t\treturn x;\n\tif( xMax &lt;= Min )\n\t\treturn TAffine&lt; float, Num &gt;( Min );\n\tif( xMin &gt;= Max )\n\t\treturn TAffine&lt; float, Num &gt;( Max );\n\n\tfloat Alpha = ( FuncMax - FuncMin ) \/ ( xMax - xMin );\n\tfloat Gamma = 0.5f * ( 1.0f - Alpha ) * ( FuncMax + FuncMin );\n\tfloat Delta = ( 1.0f - Alpha ) * FuncMax - Gamma;\n\n\tTAffine&lt; float, Num &gt; Result;\n\tResult.c = Alpha * x.c + Gamma;\n\tResult.K = FMath::Abs( Alpha * x.K ) + Delta;\n\tfor( uint32 i = 0; i &lt; Num; i++ )\n\t\tResult.e[i] = Alpha * x.e[i];\n\t\n\treturn Result;\n}\n<\/code><\/pre>\n<p>\u4e0a\u9762\u662fClamp\u7684\u6e90\u7801<\/p>\n<p>\u8be5\u51fd\u6570\u7528\u4e8e\u5bf9\u8f93\u5165\u7684 <code>TAffine&lt;float, Num&gt;<\/code> \u7c7b\u578b\u7684\u5bf9\u8c61 <code>x<\/code> \u8fdb\u884c\u67d0\u79cd\u5f62\u5f0f\u7684\u201c\u5939\u6301\u201d\u6216\u201c\u9650\u5236\u201d\u64cd\u4f5c\u3002\u8fd9\u91cc\uff0c<code>TAffine<\/code> \u53ef\u80fd\u662f\u4e00\u4e2a\u8868\u793a\u4eff\u5c04\u53d8\u6362\u7684\u7c7b\uff0c\u5b83\u901a\u5e38\u7528\u4e8e\u56fe\u5f62\u5b66\u548c\u8ba1\u7b97\u673a\u89c6\u89c9\u4e2d\uff0c\u7528\u6765\u8868\u793a\u5e73\u79fb\u3001\u65cb\u8f6c\u3001\u7f29\u653e\u7b49\u53d8\u6362\u3002<\/p>\n<ol>\n<li><strong>\u8f93\u5165\u53c2\u6570<\/strong>\uff1a\n<ul>\n<li><code>x<\/code>\uff1a\u4e00\u4e2a <code>TAffine&lt;float, Num&gt;<\/code> \u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u8868\u793a\u5f85\u5904\u7406\u7684\u4eff\u5c04\u53d8\u6362\u3002<\/li>\n<li><code>Min<\/code> \u548c <code>Max<\/code>\uff1a\u4e24\u4e2a\u6d6e\u70b9\u6570\uff0c\u8868\u793a\u5939\u6301\u7684\u4e0a\u4e0b\u9650\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6838\u5fc3\u903b\u8f91<\/strong>\uff1a\n<ul>\n<li>\u9996\u5148\uff0c\u8ba1\u7b97 <code>x<\/code> \u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\uff08\u901a\u8fc7\u8c03\u7528 <code>x.GetMin()<\/code> \u548c <code>x.GetMax()<\/code>\uff09\u3002<\/li>\n<li>\u4f7f\u7528 <code>FMath::Clamp<\/code> \u51fd\u6570\u5c06\u8fd9\u4e24\u4e2a\u503c\u9650\u5236\u5728 <code>Min<\/code> \u548c <code>Max<\/code> \u4e4b\u95f4\uff0c\u5f97\u5230 <code>FuncMin<\/code> \u548c <code>FuncMax<\/code>\u3002<\/li>\n<li>\u6839\u636e <code>x<\/code> \u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u4e0e <code>Min<\/code> \u548c <code>Max<\/code> \u7684\u5173\u7cfb\uff0c\u6709\u51e0\u79cd\u4e0d\u540c\u7684\u5904\u7406\u60c5\u51b5\uff1a\n<ul>\n<li>\u5982\u679c <code>x<\/code> \u7684\u6240\u6709\u503c\u90fd\u5728 <code>Min<\/code> \u548c <code>Max<\/code> \u4e4b\u95f4\uff0c\u76f4\u63a5\u8fd4\u56de <code>x<\/code>\u3002<\/li>\n<li>\u5982\u679c <code>x<\/code> \u7684\u6700\u5927\u503c\u5c0f\u4e8e\u7b49\u4e8e <code>Min<\/code>\uff0c\u8fd4\u56de\u4e00\u4e2a\u6240\u6709\u5143\u7d20\u90fd\u4e3a <code>Min<\/code> \u7684 <code>TAffine<\/code> \u5bf9\u8c61\u3002<\/li>\n<li>\u5982\u679c <code>x<\/code> \u7684\u6700\u5c0f\u503c\u5927\u4e8e\u7b49\u4e8e <code>Max<\/code>\uff0c\u8fd4\u56de\u4e00\u4e2a\u6240\u6709\u5143\u7d20\u90fd\u4e3a <code>Max<\/code> \u7684 <code>TAffine<\/code> \u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5982\u679c\u4ee5\u4e0a\u6761\u4ef6\u90fd\u4e0d\u6ee1\u8db3\uff0c\u4f7f\u7528 Chebyshev \u8fd1\u4f3c\u6cd5\u8ba1\u7b97 <code>Alpha<\/code>\u3001<code>Gamma<\/code> \u548c <code>Delta<\/code>\u3002<\/li>\n<li>\u4f7f\u7528\u8fd9\u4e9b\u8ba1\u7b97\u51fa\u7684\u503c\u66f4\u65b0 <code>TAffine<\/code> \u5bf9\u8c61 <code>Result<\/code> \u7684\u5404\u4e2a\u6210\u5458\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8fd4\u56de\u503c<\/strong>\uff1a\n<ul>\n<li>\u8fd4\u56de\u5904\u7406\u540e\u7684 <code>TAffine&lt;float, Num&gt;<\/code> \u5bf9\u8c61 <code>Result<\/code>\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u91cc\u5e76\u6ca1\u6709\u5c55\u793a <code>TAffine<\/code> \u7c7b\u548c <code>FMath::Clamp<\/code> \u51fd\u6570\u7684\u5b9e\u73b0\u7ec6\u8282 \u5e94\u5f53\u5728\u4e4b\u540e\u7684\u5b66\u4e60\u4e2d\u6307\u51fa<\/p>\n<p>&nbsp;<\/p>\n<h2 id='\u521b\u5efa\u53ef\u590d\u7528\u7684\u6750\u8d28\u51fd\u6570'>\u521b\u5efa\u53ef\u590d\u7528\u7684\u6750\u8d28\u51fd\u6570<\/h2>\n<p>\u6211\u4eec\u5982\u4f55\u521b\u5efa\u53ef\u590d\u7528\u7684\u6750\u8d28\u51fd\u6570<\/p>\n<p>&nbsp;<\/p>\n<ol>\n<li>\n<p>\u5728Material\u4e2d\u521b\u5efaMaterial Function<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240321\/2024032105.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol start='2' >\n<li>\n<p>\u5c06\u8be5\u51fd\u6570\u66b4\u9732\u5230\u5e93\u4e2d,\u53ef\u4ee5\u5728\u84dd\u56fe\u4e2d\u88ab\u53cd\u590d\u8c03\u7528<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240321\/2024032106.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240321\/2024032107.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p>&nbsp;<\/p>\n<ol start='3' >\n<li>\u5728\u4e3aSubtract\u6dfb\u52a0\u4e86\u65b0\u7684\u8f93\u5165\u540e \u5176MF_HitFlashDemo\u4f1a\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u8f93\u5165\u53e3<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240321\/2024032108.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol start='4' >\n<li>\u5982\u4e0b\u56fe,MF_HitFlashDemo\u7b49\u6548\u539f\u672c\u7684M_HitFlashDemo\u7684\u529f\u80fd,\u6750\u6599\u51fd\u6570\u53ef\u4ee5\u5b9e\u73b0\u53cd\u590d\u5229\u7528,\u5927\u5927\u63d0\u9ad8\u4e86\u84dd\u56fe\u5e03\u5c40\u7684\u7b80\u6d01<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240321\/2024032109.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p>&nbsp;<\/p>\n<h2 id='\u4e3a\u7528\u6237\u754c\u9762\u8bbe\u8ba1\u6750\u8d28'>\u4e3a\u7528\u6237\u754c\u9762\u8bbe\u8ba1\u6750\u8d28<\/h2>\n<ol>\n<li>\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6750\u8d28\uff0c\u4fee\u6539\u6750\u8d28\u7684Material Domain\u4e3aUser Interface<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240322\/2024032201.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240322\/2024032202.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240322\/2024032203.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p>&nbsp;<\/p>\n<ol start='3' >\n<li>\u4f7f\u7528LinarGradient\u51fd\u6570\u5b9e\u73b0\u6e10\u53d8\u6548\u679c  <\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240322\/2024032204.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p>LinearGradient\u7684\u84dd\u56fe\u5b9e\u73b0,\u5148\u8fdb\u884c\u7cfb\u7edf\u5b66\u4e60,\u4e4b\u540e\u7814\u7a76LinearGradient\u7684\u5b9e\u73b0\u6e90\u7801<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240322\/2024032209.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p>&nbsp;<\/p>\n<ol start='4' >\n<li>\u4f7f\u7528if\u51fd\u6570\u5b9e\u73b0\u8fdb\u5ea6\u6761\u7684\u989c\u8272\u63a7\u5236,\u5176\u4e2d\u5c06\u5355\u5411\u91cf\u8f6c\u6362\u4e3a\u53d8\u91cf\u8fdb\u884c\u63a7\u5236 <\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240322\/2024032205.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p>&nbsp;<\/p>\n<ol start='5' >\n<li>\u8fdb\u5165\u63a7\u4ef6PlayerHealth_Widget,\u521b\u5efaImage \u5e76\u4f7f\u5176\u53d8\u6210\u53d8\u91cf,\u4e4b\u540e\u6211\u4eec\u5c06\u5728\u84dd\u56fe\u4e2d\u4f7f\u7528<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240322\/2024032206.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240322\/2024032207.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p>&nbsp;<\/p>\n<ol start='6' >\n<li>\u6dfb\u52a0\u4e0b\u9762\u5185\u5bb9 \u5373\u53ef\u5927\u529f\u544a\u6210<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/pic.vanforever.com.cn\/UE\/Materials\/20240322\/2024032208.jpg\" referrerpolicy=\"no-referrer\"><\/p>\n<p>&nbsp;<\/p>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>UE\u7eb9\u7406\u5b66\u4e60\u4e4b\u8def \u6eb6\u89e3\u6548\u679c 1.\u5728Materials\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u65b0\u7684\u6750\u8d28 2.\u4ece\u7b2c\u4e8c\u5f20\u56fe\u7247\u4e2d,\u6211\u4eec\u53ef\u4ee5\u4e86\u89e3\u5230\u4ee5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,27],"tags":[4,5],"class_list":["post-207","post","type-post","status-publish","format-standard","hentry","category-ue","category-cs193u","tag-c","tag-ue"],"_links":{"self":[{"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=207"}],"version-history":[{"count":5,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/207\/revisions"}],"predecessor-version":[{"id":580,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/207\/revisions\/580"}],"wp:attachment":[{"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vanforever.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}