{"id":256,"date":"2025-02-01T20:22:00","date_gmt":"2025-02-01T12:22:00","guid":{"rendered":"https:\/\/mitongxue.cn\/?p=256"},"modified":"2026-06-05T20:55:03","modified_gmt":"2026-06-05T12:55:03","slug":"3d%e5%bc%95%e6%93%8e%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%9f%a5%e8%af%86","status":"publish","type":"post","link":"https:\/\/mitongxue.cn\/index.php\/2025\/02\/01\/3d%e5%bc%95%e6%93%8e%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%9f%a5%e8%af%86\/","title":{"rendered":"3D\u5f15\u64ce\u7684\u57fa\u672c\u77e5\u8bc6"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5b98\u65b9\u63d0\u4f9b\u7684\u7f16\u8f91\u5668<a href=\"https:\/\/threejs.org\/editor\/\">https:\/\/threejs.org\/editor\/<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u573a\u666f\uff08<code>scene<\/code>\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u4fd7\u7684\u8bf4\uff0c\u573a\u666f\u5176\u5b9e\u5c31\u662f\u4e00\u4e2a\u5bb9\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8fd9\u4e2a\u5bb9\u5668\u4e2d\uff0c\u653e\u5165\u6211\u4eec\u60f3\u653e\u5165\u7684\u4e09\u7ef4\u4e16\u754c\u7684\u5185\u5bb9\uff0c\u5f53\u7136\u8981\u653e\u5165\u5185\u5bb9\uff0c\u6211\u4eec\u5c31\u9700\u8981\u5750\u6807\u7cfb\uff0c\u5728Three.js\u4e2d\uff0c\u91c7\u7528\u7684\u662f<strong>\u53f3\u624b\u7b1b\u5361\u5c14\u5750\u6807\u7cfb<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2d \u5750\u6807\u7cfb\u4e00\u822c\u6765\u8bf4\u5927\u5bb6\u90fd\u6709\u9ed8\u8ba4\uff1a x\u8f74\u671d\u53f3\u9012\u589e\uff0c\u671d\u5de6\u9012\u51cf\uff0cy\u8f74\u671d\u4e0a\u9012\u589e\uff0c\u671d\u4e0b\u9012\u51cf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u5bf9\u4e8e\u4e09\u7ef4\u5750\u6807\u7cfb\uff0c\u4e00\u822c\u6709\u4e24\u79cd\u4e60\u4fd7\uff0c\u5de6\u624b\u5750\u6807\u7cfb\u548c\u53f3\u624b\u5750\u6807\u7cfb\uff0c\u901a\u8fc7\u5de6\u624b\u53f3\u624b\u7684\u7ec4\u5408\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u8bf4\u660e\u8fd9\u4e2a\u60c5\u51b5\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"621\" height=\"474\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-34.png\" alt=\"\" class=\"wp-image-257\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-34.png 621w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-34-300x229.png 300w\" sizes=\"auto, (max-width: 621px) 100vw, 621px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b80\u5355\u6765\u8bf4\uff0c<strong>\u53f3\u624b\u7b1b\u5361\u5c14\u5750\u6807\u7cfb<\/strong>\uff0c\u5176\u5b9e\u5c31\u662fX\u8f74\u5f80\u53f3\u53d8\u5927\uff0c\u5f80\u5de6\u53d8\u5c0f\uff0cY\u8f74\u7f51\u4e0a\u8d8a\u6765\u8d8a\u5927\uff0c\u5f80\u4e0b\u8d8a\u5c0f\uff0c\u65e2\u7136\u662f3D\uff0c\u5f53\u7136\u8fd8\u6709\u7eb5\u6df1\u7684Z\u8f74\uff0cZ\u8f74\u662f\u5f80\u5c4f\u5e55\u5916\u7684\u65b9\u5411\u8d8a\u6765\u8d8a\u5927\uff0c\u5f80\u5c4f\u5e55\u91cc\u7684\u65b9\u5411\u8d8a\u6765\u8d8a\u5c0f<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"618\" height=\"384\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-35.png\" alt=\"\" class=\"wp-image-258\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-35.png 618w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-35-300x186.png 300w\" sizes=\"auto, (max-width: 618px) 100vw, 618px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u6444\u50cf\u673a\uff08<code>camera<\/code>\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e6\u5916\u6211\u4eec\u8981\u80fd\u591f\u770b\u5230\u4e09\u7ef4\u4e16\u754c\u91cc\u9762\u7684\u4e1c\u897f\uff0c\u5c31\u9700\u8981\u4e00\u53cc\u773c\u775b\uff0c\u8fd9\u4e2a\u773c\u775b\u5c31\u662f<strong>\u6444\u50cf\u673a(<code>camera<\/code>)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"369\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-36.png\" alt=\"\" class=\"wp-image-259\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-36.png 589w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-36-300x188.png 300w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">camera\u57fa\u672c\u5c31\u4e24\u79cd\uff0c\u4e00\u79cd\u53eb\u6b63\u4ea4\u76f8\u673a(OrthographicCamera)\uff0c\u4e00\u79cd\u662f<a href=\"https:\/\/threejs.org\/docs\/#api\/zh\/cameras\/PerspectiveCamera\">\u900f\u89c6\u76f8\u673a<\/a>(PerspectiveCamera)\u3002\u76f8\u673a\u53c8\u6709\u81ea\u5df1\u7684\u53ef\u89c6\u89d2\u5ea6\uff0c\u4e5f\u6709\u81ea\u5df1\u5750\u6807\u7684\u4f4d\u7f6e\u548c\u770b\u5411\u7684\u65b9\u5411<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0cPerspectiveCamera\u8fd9\u4e00\u6295\u5f71\u6a21\u5f0f\u88ab\u7528\u6765\u6a21\u62df\u4eba\u773c\u6240\u770b\u5230\u7684\u666f\u8c61\uff0c\u5b83\u662f3D\u573a\u666f\u7684\u6e32\u67d3\u4e2d\u4f7f\u7528\u5f97\u6700\u666e\u904d\u7684\u6295\u5f71\u6a21\u5f0f<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"610\" height=\"609\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-37.png\" alt=\"\" class=\"wp-image-260\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-37.png 610w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-37-300x300.png 300w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-37-150x150.png 150w\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/threejs.org\/docs\/#api\/zh\/cameras\/PerspectiveCamera\"><code>PerspectiveCamera<\/code><\/a>\u901a\u8fc7\u56db\u4e2a\u5c5e\u6027\u6765\u5b9a\u4e49\u4e00\u4e2a\u89c6\u9525\u3002<code>near<\/code>\u5b9a\u4e49\u4e86\u89c6\u9525\u7684\u524d\u7aef\uff0c<code>far<\/code>\u5b9a\u4e49\u4e86\u540e\u7aef\uff0c<code>fov<\/code>\u662f\u89c6\u91ce\uff0c\u901a\u8fc7\u8ba1\u7b97\u6b63\u786e\u7684\u9ad8\u5ea6\u6765\u4ece\u6444\u50cf\u673a\u7684\u4f4d\u7f6e\u83b7\u5f97\u6307\u5b9a\u7684\u4ee5<code>near<\/code>\u4e3a\u5355\u4f4d\u7684\u89c6\u91ce\uff0c\u5b9a\u4e49\u7684\u662f\u89c6\u9525\u7684\u524d\u7aef\u548c\u540e\u7aef\u7684\u9ad8\u5ea6\u3002<code>aspect<\/code>\u95f4\u63a5\u5730\u5b9a\u4e49\u4e86\u89c6\u9525\u524d\u7aef\u548c\u540e\u7aef\u7684\u5bbd\u5ea6\uff0c\u5b9e\u9645\u4e0a\u89c6\u9525\u7684\u5bbd\u5ea6\u662f\u901a\u8fc7\u9ad8\u5ea6\u4e58\u4ee5 aspect \u6765\u5f97\u5230\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"611\" height=\"642\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-38.png\" alt=\"\" class=\"wp-image-261\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-38.png 611w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-38-286x300.png 286w\" sizes=\"auto, (max-width: 611px) 100vw, 611px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\uff0c\u76f8\u5173\u7684API\u5c31\u662f\u7531\u8fd94\u4e2a\u53c2\u6570\u7ec4\u6210\u7684\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const camera = new THREE.PerspectiveCamera( 45, width \/ height, 1, 1000 );<br>scene.add( camera );<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<pre class=\"wp-block-preformatted\">PerspectiveCamera( fov : Number, aspect : Number, near : Number, far : Number )<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">fov \u2014 \u6444\u50cf\u673a\u89c6\u9525\u4f53\u5782\u76f4\u89c6\u91ce\u89d2\u5ea6 aspect \u2014 \u6444\u50cf\u673a\u89c6\u9525\u4f53\u957f\u5bbd\u6bd4 near \u2014 \u6444\u50cf\u673a\u89c6\u9525\u4f53\u8fd1\u7aef\u9762 far \u2014 \u6444\u50cf\u673a\u89c6\u9525\u4f53\u8fdc\u7aef\u9762<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u53c2\u6570\u4e00\u8d77\u5b9a\u4e49\u4e86\u6444\u50cf\u673a\u7684<a href=\"https:\/\/en.wikipedia.org\/wiki\/Viewing_frustum\">viewing frustum<\/a>\uff08\u89c6\u9525\u4f53\uff09\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7136\u73b0\u5728\u6211\u4eec\u53ea\u662f\u6709\u4e86\u773c\u775b\uff08\u6444\u50cf\u673a\uff09\uff0c\u4ec0\u4e48\u5185\u5bb9\u90fd\u8fd8\u6ca1\u6709\uff0c\u63a5\u4e0b\u6765\u5c31\u9700\u8981\u4e09\u7ef4\u4e16\u754c\u7684\u51e0\u4f55\u4f53<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u51e0\u4f55\u4f53\uff08<code>geometry<\/code>\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u91cd\u8981\u7684\u77e5\u8bc6\u70b9\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">3D\u4e16\u754c\u91cc\u7684\u6240\u6709\u7269\u4f53\u90fd\u662f<strong>\u70b9\u7ec4\u6210\u9762<\/strong>\uff0c<strong>\u9762\u7ec4\u6210\u51e0\u4f55\u4f53<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u9762<\/code>\u662f\u7531\u70b9\u6784\u6210\u7684\uff0c<code>\u9762<\/code>\u53c8\u53ef\u4ee5\u7ec4\u6210\u5404\u5f0f\u5404\u6837\u7684\u51e0\u4f55\u4f53<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u7403\u4f53\u4e3e\u4f8b\uff0c\u7403\u4f53\u9762\u4e0a\u7684\u70b9\u8d8a\u591a\uff0c\u7403\u5c31\u8d8a\u5706\u3002\u4f46\u70b9\u8d8a\u591a\uff0c\u8fd0\u7b97\u91cf\u4e5f\u4f1a\u8d8a\u5927<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"617\" height=\"404\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-39.png\" alt=\"\" class=\"wp-image-262\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-39.png 617w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-39-300x196.png 300w\" sizes=\"auto, (max-width: 617px) 100vw, 617px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u706f\u5149\uff08<code>light<\/code>\uff09<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">3d\u5f15\u64ce\u5728\u6ca1\u6709\u624b\u52a8\u521b\u5efa\u5149\u7684\u60c5\u51b5\u4e0b\u4f1a\u9ed8\u8ba4\u6709\u4e2a<code>\u73af\u5883\u5149<\/code>\uff0c\u4e0d\u7136\u4f60\u4ec0\u4e48\u90fd\u770b\u4e0d\u5230\u3002\u5e38\u89c1\u7684\u706f\u5149\u6709\u4ee5\u4e0b\u51e0\u79cd\u7c7b\u578b<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u7528\u7684\u706f\u5149\u6709\u4e0b\u9762\u51e0\u79cd\u7c7b\u578b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AmbientLight\uff08\u73af\u5883\u5149\uff0c\u6ca1\u6709\u65b9\u5411\u5168\u5c40\u6253\u4eae\uff0c\u4e0d\u4f1a\u4ea7\u751f\u660e\u6697\uff09<\/li>\n\n\n\n<li>DirectionLight\uff08\u5e73\u884c\u5149\uff0c\u53c2\u8003\u65e5\u5149\u6765\u7406\u89e3\uff09<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"604\" height=\"426\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-40.png\" alt=\"\" class=\"wp-image-263\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-40.png 604w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-40-300x212.png 300w\" sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PointLight\uff08\u70b9\u5149\u6e90\uff0c\u53c2\u8003\u706f\u6ce1\u6765\u7406\u89e3\uff09<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"606\" height=\"347\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-41.png\" alt=\"\" class=\"wp-image-264\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-41.png 606w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-41-300x172.png 300w\" sizes=\"auto, (max-width: 606px) 100vw, 606px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SpotLight\uff08\u805a\u5149\u706f\uff0c\u53c2\u8003\u821e\u53f0\u805a\u5149\u706f\uff09<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"311\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-43.png\" alt=\"\" class=\"wp-image-266\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-43.png 602w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-43-300x155.png 300w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u8d34\u56fe\uff08<code>texture<\/code>\uff09<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u60f3\u8c61\u4e00\u4e0b\u4f60\u624b\u91cc\u6709\u4e00\u4e2a\u7acb\u65b9\u4f53\uff0c\u4f60\u7528\u4e00\u5f20A4\u7eb8\u5305\u88f9\u4e0a\u7acb\u65b9\u4f53\u7684\u6240\u6709\u9762\uff0c\u5e76\u5728\u4e0a\u9762\u753b\u753b\u3002\u4f60\u753b\u7684\u5185\u5bb9\u5c31\u662f<code>\u8d34\u56fe<\/code>\u3002<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"579\" height=\"715\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-44.png\" alt=\"\" class=\"wp-image-267\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-44.png 579w, https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-44-243x300.png 243w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u6750\u8d28\uff08<code>material<\/code>\uff09<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5ef6\u7eed\u8d34\u56fe\u91cc\u7684\u60f3\u8c61\uff0c\u4f60\u7528\u767d\u5361\u7eb8\u753b\u753b\uff0c\u8fd8\u662f\u7528\u6cb9\u7eb8\u753b\u753b\uff0c\u5448\u73b0\u51fa\u6765\u7684\u8d28\u611f\u662f\u4e0d\u540c\u7684\u5bf9\u4e0d\u5bf9\uff0c\u8fd9\u5c31\u662f<code>\u6750\u8d28<\/code>\uff01\u4e0b\u9762\u4e94\u4e2a\u7403\u7684\u989c\u8272\u90fd\u662f\u4e00\u6837\u7684\uff0c\u800c\u6750\u8d28\u4ece\u5de6\u81f3\u53f3\u5206\u522b\u662f<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"625\" height=\"153\" src=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-45.png\" alt=\"\" class=\"wp-image-268\" srcset=\"https:\/\/mitongxue.cn\/wp-content\/uploads\/2026\/06\/image-45.png 625w, 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