{"id":192,"date":"2024-12-17T20:43:47","date_gmt":"2024-12-17T12:43:47","guid":{"rendered":"http:\/\/trantor.ink:8080\/?p=192"},"modified":"2024-12-17T20:43:48","modified_gmt":"2024-12-17T12:43:48","slug":"lerp-%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/trantor.ink\/?p=192","title":{"rendered":"lerp \u51fd\u6570"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/trantor.ink\/?p=192\/#%E7%BA%BF%E6%80%A7%E6%8F%92%E5%80%BC%E5%85%AC%E5%BC%8F\" >\u7ebf\u6027\u63d2\u503c\u516c\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/trantor.ink\/?p=192\/#%E7%A4%BA%E4%BE%8B\" >\u793a\u4f8b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/trantor.ink\/?p=192\/#%E5%9C%A8_Android_%E4%B8%AD%E4%BD%BF%E7%94%A8_lerp\" >\u5728 Android \u4e2d\u4f7f\u7528 lerp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/trantor.ink\/?p=192\/#%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF\" >\u5e94\u7528\u573a\u666f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/trantor.ink\/?p=192\/#%E6%A0%87%E5%87%86%E5%8C%96%E5%85%AC%E5%BC%8F\" >\u6807\u51c6\u5316\u516c\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/trantor.ink\/?p=192\/#%E5%AE%8C%E6%95%B4%E6%8F%92%E5%80%BC%E5%85%AC%E5%BC%8F\" >\u5b8c\u6574\u63d2\u503c\u516c\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/trantor.ink\/?p=192\/#%E7%A4%BA%E4%BE%8B-2\" >\u793a\u4f8b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/trantor.ink\/?p=192\/#Kotlin_%E7%A4%BA%E4%BE%8B\" >Kotlin \u793a\u4f8b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/trantor.ink\/?p=192\/#%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF-2\" >\u5e94\u7528\u573a\u666f<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><code>lerp<\/code> \u51fd\u6570\u662f\u7ebf\u6027\u63d2\u503c\uff08linear interpolation\uff09\u7684\u7f29\u5199\uff0c\u7528\u4e8e\u5728\u4e24\u4e2a\u503c\u4e4b\u95f4\u8fdb\u884c\u63d2\u503c\u3002\u5b83\u5728\u8ba1\u7b97\u52a8\u753b\u3001\u6e10\u53d8\u989c\u8272\u3001\u5e73\u6ed1\u8fc7\u6e21\u7b49\u65b9\u9762\u975e\u5e38\u5e38\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%BA%BF%E6%80%A7%E6%8F%92%E5%80%BC%E5%85%AC%E5%BC%8F\"><\/span>\u7ebf\u6027\u63d2\u503c\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u7ebf\u6027\u63d2\u503c\u7684\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>[ text{lerp}(a, b, t) = a + t times (b &#8211; a) ]<\/p>\n\n\n\n<p>\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>( a ) \u662f\u8d77\u59cb\u503c\u3002<\/li>\n\n\n\n<li>( b ) \u662f\u7ec8\u6b62\u503c\u3002<\/li>\n\n\n\n<li>( t ) \u662f\u63d2\u503c\u56e0\u5b50\uff0c\u901a\u5e38\u5728 0 \u5230 1 \u4e4b\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5f53 ( t = 0 ) \u65f6\uff0c\u7ed3\u679c\u662f ( a )\uff1b<br>\u5f53 ( t = 1 ) \u65f6\uff0c\u7ed3\u679c\u662f ( b )\uff1b<br>\u5f53 ( t ) \u5728 0 \u5230 1 \u4e4b\u95f4\u65f6\uff0c\u7ed3\u679c\u662f ( a ) \u548c ( b ) \u4e4b\u95f4\u7684\u503c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A4%BA%E4%BE%8B\"><\/span>\u793a\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5047\u8bbe\u6211\u4eec\u8981\u5728 0 \u548c 10 \u4e4b\u95f4\u8fdb\u884c\u63d2\u503c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53 ( t = 0.5 ) \u65f6\uff0c\u8ba1\u7b97\u7ed3\u679c\u662f\uff1a[ text{lerp}(0, 10, 0.5) = 0 + 0.5 times (10 &#8211; 0) = 5 ]<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%9C%A8_Android_%E4%B8%AD%E4%BD%BF%E7%94%A8_lerp\"><\/span>\u5728 Android \u4e2d\u4f7f\u7528 <code>lerp<\/code><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5728 Android \u5f00\u53d1\u4e2d\uff0cKotlin \u8bed\u8a00\u548c Jetpack Compose \u63d0\u4f9b\u4e86 <code>lerp<\/code> \u51fd\u6570\u3002\u4f8b\u5982\uff0cJetpack Compose \u4e2d\u7684 <code>lerp<\/code> \u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u989c\u8272\u63d2\u503c\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"kotlin\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import androidx.compose.ui.graphics.Color\nimport androidx.compose.ui.graphics.lerp\n\nval startColor = Color.Red\nval endColor = Color.Blue\nval interpolatedColor = lerp(startColor, endColor, 0.5f)<\/pre>\n\n\n\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06 <code>interpolatedColor<\/code> \u8bbe\u7f6e\u4e3a\u7ea2\u8272\u548c\u84dd\u8272\u4e4b\u95f4\u7684\u4e2d\u95f4\u989c\u8272\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF\"><\/span>\u5e94\u7528\u573a\u666f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><code>lerp<\/code> \u51fd\u6570\u5728\u5f88\u591a\u573a\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u52a8\u753b<\/strong>\uff1a\u5728\u4e24\u4e2a\u4f4d\u7f6e\u4e4b\u95f4\u5e73\u6ed1\u79fb\u52a8\u5bf9\u8c61\u3002<\/li>\n\n\n\n<li><strong>\u989c\u8272\u6e10\u53d8<\/strong>\uff1a\u5728\u4e24\u79cd\u989c\u8272\u4e4b\u95f4\u751f\u6210\u4e2d\u95f4\u989c\u8272\u3002<\/li>\n\n\n\n<li><strong>\u97f3\u91cf\u63a7\u5236<\/strong>\uff1a\u5728\u4e24\u4e2a\u97f3\u91cf\u503c\u4e4b\u95f4\u5e73\u6ed1\u8fc7\u6e21\u3002<\/li>\n\n\n\n<li><strong>\u7f29\u653e<\/strong>\uff1a\u5728\u4e24\u4e2a\u7f29\u653e\u503c\u4e4b\u95f4\u5e73\u6ed1\u7f29\u653e\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n\n\n\n<p><code>lerp<\/code> \u51fd\u6570\u7b80\u5355\u4f46\u529f\u80fd\u5f3a\u5927\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9700\u8981\u5e73\u6ed1\u8fc7\u6e21\u548c\u63d2\u503c\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u5982\u679c <code>t<\/code> \u662f\u4e00\u4e2a\u5728 0 \u5230 200 \u4e4b\u95f4\u53d8\u5316\u7684\u63d2\u503c\u56e0\u5b50\uff0c\u6211\u4eec\u9700\u8981\u5148\u5c06\u5176\u6807\u51c6\u5316\u5230 0 \u5230 1 \u7684\u8303\u56f4\u5185\uff0c\u7136\u540e\u518d\u4f7f\u7528\u6807\u51c6\u7684\u7ebf\u6027\u63d2\u503c\u516c\u5f0f\u8fdb\u884c\u8ba1\u7b97\u3002\u6807\u51c6\u5316\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u5c06 <code>t<\/code> \u9664\u4ee5 200 \u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A0%87%E5%87%86%E5%8C%96%E5%85%AC%E5%BC%8F\"><\/span>\u6807\u51c6\u5316\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6807\u51c6\u5316\u56e0\u5b50 <code>t<\/code> \u7684\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>[ t_{text{normalized}} = frac{t}{200} ]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%AE%8C%E6%95%B4%E6%8F%92%E5%80%BC%E5%85%AC%E5%BC%8F\"><\/span>\u5b8c\u6574\u63d2\u503c\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u7136\u540e\u4f7f\u7528\u6807\u51c6\u5316\u540e\u7684\u56e0\u5b50\u8fdb\u884c\u63d2\u503c\uff1a<\/p>\n\n\n\n<p>[ text{lerp}(a, b, t_{text{normalized}}) = a + left(frac{t}{200}right) times (b &#8211; a) ]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%A4%BA%E4%BE%8B-2\"><\/span>\u793a\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5047\u8bbe\u6211\u4eec\u8981\u5728 <code>0<\/code> \u548c <code>10<\/code> \u4e4b\u95f4\u8fdb\u884c\u63d2\u503c\uff0c\u5e76\u4e14 <code>t<\/code> \u5728 <code>0<\/code> \u5230 <code>200<\/code> \u4e4b\u95f4\u53d8\u5316\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53 <code>t = 0<\/code> \u65f6\uff0c\u7ed3\u679c\u662f <code>0<\/code>\u3002<\/li>\n\n\n\n<li>\u5f53 <code>t = 100<\/code> \u65f6\uff0c\u6807\u51c6\u5316\u56e0\u5b50 <code>t_{text{normalized}}<\/code> \u4e3a <code>0.5<\/code>\uff0c\u7ed3\u679c\u662f <code>5<\/code>\u3002<\/li>\n\n\n\n<li>\u5f53 <code>t = 200<\/code> \u65f6\uff0c\u7ed3\u679c\u662f <code>10<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kotlin_%E7%A4%BA%E4%BE%8B\"><\/span>Kotlin \u793a\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u662f Kotlin \u4e2d\u7684\u5b9e\u73b0\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"kotlin\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">fun lerp(a: Float, b: Float, t: Float): Float {\n    \/\/ Normalize t to the range [0, 1]\n    val tNormalized = t \/ 200.0f\n    \/\/ Perform linear interpolation\n    return a + tNormalized * (b - a)\n}\n\nfun main() {\n    val start = 0.0f\n    val end = 10.0f\n\n    val t1 = 0.0f\n    val t2 = 100.0f\n    val t3 = 200.0f\n\n    println(\"lerp(0, 10, 0) = ${lerp(start, end, t1)}\")   \/\/ Output: 0.0\n    println(\"lerp(0, 10, 100) = ${lerp(start, end, t2)}\") \/\/ Output: 5.0\n    println(\"lerp(0, 10, 200) = ${lerp(start, end, t3)}\") \/\/ Output: 10.0\n}<\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u5c06 <code>t<\/code> \u6807\u51c6\u5316\u5230 <code>[0, 1]<\/code> \u8303\u56f4\uff0c\u5e76\u4f7f\u7528\u7ebf\u6027\u63d2\u503c\u516c\u5f0f\u8ba1\u7b97\u63d2\u503c\u7ed3\u679c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF-2\"><\/span>\u5e94\u7528\u573a\u666f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5c06 <code>t<\/code> \u6807\u51c6\u5316\u5230 <code>[0, 1]<\/code> \u8303\u56f4\u5185\uff0c\u4f7f\u5f97\u7ebf\u6027\u63d2\u503c\u51fd\u6570\u53ef\u4ee5\u5904\u7406\u4efb\u4f55\u8303\u56f4\u7684 <code>t<\/code> \u503c\u3002\u8fd9\u5728\u5904\u7406\u975e\u6807\u51c6\u8303\u56f4\u7684\u63d2\u503c\u56e0\u5b50\u65f6\u7279\u522b\u6709\u7528\uff0c\u4f8b\u5982\u5728\u52a8\u753b\u6216\u5e73\u6ed1\u8fc7\u6e21\u4e2d\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u6807\u51c6\u5316\u63d2\u503c\u56e0\u5b50\u5e76\u4f7f\u7528\u7ebf\u6027\u63d2\u503c\u516c\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u5904\u7406\u4e0d\u540c\u8303\u56f4\u7684\u63d2\u503c\u56e0\u5b50\uff0c\u786e\u4fdd\u63d2\u503c\u7ed3\u679c\u7684\u6b63\u786e\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>lerp \u51fd\u6570\u662f\u7ebf\u6027\u63d2\u503c\uff08linear interpolation\uff09\u7684\u7f29\u5199\uff0c\u7528\u4e8e\u5728\u4e24\u4e2a\u503c\u4e4b\u95f4\u8fdb\u884c\u63d2\u503c\u3002\u5b83\u5728\u8ba1\u7b97\u52a8\u753b\u3001\u6e10\u53d8\u989c\u8272\u3001\u5e73\u6ed1\u8fc7\u6e21\u7b49\u65b9\u9762\u975e\u5e38\u5e38\u7528\u3002 \u7ebf\u6027\u63d2\u503c\u516c\u5f0f \u7ebf\u6027\u63d2\u503c\u7684\u516c\u5f0f\u5982\u4e0b\uff1a [ text{lerp}(a, b, t) = a + t times (b &#8211; a) ] \u5176\u4e2d\uff1a \u5f53 ( t = 0 ) \u65f6\uff0c\u7ed3\u679c\u662f ( a )\uff1b\u5f53 ( t = 1 ) \u65f6\uff0c\u7ed3\u679c\u662f ( b )\uff1b\u5f53 ( t ) \u5728 0 \u5230 1 \u4e4b\u95f4\u65f6\uff0c\u7ed3\u679c\u662f ( a ) \u548c ( b ) \u4e4b\u95f4\u7684\u503c\u3002 \u793a\u4f8b \u5047\u8bbe\u6211\u4eec\u8981\u5728 0 \u548c 10 \u4e4b\u95f4\u8fdb\u884c\u63d2\u503c\uff1a \u5728 Android \u4e2d\u4f7f\u7528 lerp \u5728 Android \u5f00\u53d1\u4e2d\uff0cKotlin \u8bed\u8a00\u548c Jetpack Compose \u63d0\u4f9b\u4e86 lerp \u51fd\u6570\u3002\u4f8b\u5982\uff0cJetpack Compose \u4e2d\u7684 lerp \u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u989c\u8272\u63d2\u503c\uff1a \u4e0a\u8ff0\u4ee3\u7801\u5c06 interpolatedColor \u8bbe\u7f6e\u4e3a\u7ea2\u8272\u548c\u84dd\u8272\u4e4b\u95f4\u7684\u4e2d\u95f4\u989c\u8272\u3002 \u5e94\u7528\u573a\u666f lerp \u51fd\u6570\u5728\u5f88\u591a\u573a\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\uff1a lerp \u51fd\u6570\u7b80\u5355\u4f46\u529f\u80fd\u5f3a\u5927\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9700\u8981\u5e73\u6ed1\u8fc7\u6e21\u548c\u63d2\u503c\u7684\u573a\u666f\u3002 \u5982\u679c t \u662f\u4e00\u4e2a\u5728 0 \u5230 200 \u4e4b\u95f4\u53d8\u5316\u7684\u63d2\u503c\u56e0\u5b50\uff0c\u6211\u4eec\u9700\u8981\u5148\u5c06\u5176\u6807\u51c6\u5316\u5230 0 \u5230 1 \u7684\u8303\u56f4\u5185\uff0c\u7136\u540e\u518d\u4f7f\u7528\u6807\u51c6\u7684\u7ebf\u6027\u63d2\u503c\u516c\u5f0f\u8fdb\u884c\u8ba1\u7b97\u3002\u6807\u51c6\u5316\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u5c06 t \u9664\u4ee5 200 \u6765\u5b9e\u73b0\u3002 \u6807\u51c6\u5316\u516c\u5f0f \u6807\u51c6\u5316\u56e0\u5b50 t \u7684\u516c\u5f0f\u5982\u4e0b\uff1a [ t_{text{normalized}} = frac{t}{200} ] \u5b8c\u6574\u63d2\u503c\u516c\u5f0f \u7136\u540e\u4f7f\u7528\u6807\u51c6\u5316\u540e\u7684\u56e0\u5b50\u8fdb\u884c\u63d2\u503c\uff1a [ text{lerp}(a, b, t_{text{normalized}}) = a + left(frac{t}{200}right) times (b &#8211; a) ] \u793a\u4f8b \u5047\u8bbe\u6211\u4eec\u8981\u5728 0 \u548c 10 \u4e4b\u95f4\u8fdb\u884c\u63d2\u503c\uff0c\u5e76\u4e14 t \u5728 0 \u5230 200 \u4e4b\u95f4\u53d8\u5316\uff1a Kotlin \u793a\u4f8b \u4ee5\u4e0b\u662f Kotlin \u4e2d\u7684\u5b9e\u73b0\u793a\u4f8b\uff1a \u8fd9\u4e2a\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u5c06 t \u6807\u51c6\u5316\u5230 [0, 1] \u8303\u56f4\uff0c\u5e76\u4f7f\u7528\u7ebf\u6027\u63d2\u503c\u516c\u5f0f\u8ba1\u7b97\u63d2\u503c\u7ed3\u679c\u3002 \u5e94\u7528\u573a\u666f \u5c06 t \u6807\u51c6\u5316\u5230 [0, 1] \u8303\u56f4\u5185\uff0c\u4f7f\u5f97\u7ebf\u6027\u63d2\u503c\u51fd\u6570\u53ef\u4ee5\u5904\u7406\u4efb\u4f55\u8303\u56f4\u7684 t \u503c\u3002\u8fd9\u5728\u5904\u7406\u975e\u6807\u51c6\u8303\u56f4\u7684\u63d2\u503c\u56e0\u5b50\u65f6\u7279\u522b\u6709\u7528\uff0c\u4f8b\u5982\u5728\u52a8\u753b\u6216\u5e73\u6ed1\u8fc7\u6e21\u4e2d\u3002 \u901a\u8fc7\u6807\u51c6\u5316\u63d2\u503c\u56e0\u5b50\u5e76\u4f7f\u7528\u7ebf\u6027\u63d2\u503c\u516c\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u5904\u7406\u4e0d\u540c\u8303\u56f4\u7684\u63d2\u503c\u56e0\u5b50\uff0c\u786e\u4fdd\u63d2\u503c\u7ed3\u679c\u7684\u6b63\u786e\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-192","post","type-post","status-publish","format-standard","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/posts\/192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trantor.ink\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=192"}],"version-history":[{"count":1,"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/posts\/192\/revisions"}],"predecessor-version":[{"id":193,"href":"https:\/\/trantor.ink\/index.php?rest_route=\/wp\/v2\/posts\/192\/revisions\/193"}],"wp:attachment":[{"href":"https:\/\/trantor.ink\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trantor.ink\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trantor.ink\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}