{"id":4352,"date":"2022-01-25T22:35:00","date_gmt":"2022-01-25T14:35:00","guid":{"rendered":"https:\/\/www.yumefx.com\/?p=4352"},"modified":"2022-02-09T13:42:25","modified_gmt":"2022-02-09T05:42:25","slug":"%e7%ba%b9%e7%90%86%e8%b4%b4%e5%9b%be%e4%b9%8bbump%e3%80%81normal%e3%80%81displacement","status":"publish","type":"post","link":"https:\/\/www.yumefx.com\/?p=4352","title":{"rendered":"\u7eb9\u7406\u8d34\u56fe\u4e4bNormal\u3001Bump\u3001Displacement"},"content":{"rendered":"\n<h1 style=\"text-align: center;\">\u524d\u8a00<\/h1>\n<p>\u7eb9\u7406\u8d34\u56fe\u4e0d\u53ea\u53ef\u4ee5\u7528\u6765\u7ed9\u6a21\u578b\u6307\u5b9a\u989c\u8272\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u91d1\u5c5e\u5ea6\u3001\u7c97\u7cd9\u5ea6\u3001\u53cd\u5c04\u5ea6\u3001\u5149\u6cfd\u5ea6\u7b49\u6570\u503c\u7c7b\u5c5e\u6027\uff0c\u8fd8\u53ef\u4ee5\u7528\u6765\u4e3a\u6a21\u578b\u6dfb\u52a0\u8868\u9762\u7ec6\u8282\u6548\u679c\u3002<\/p>\n<h1>\u00a0<\/h1>\n<h1 style=\"text-align: center;\">Normal 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data-pid=\"1UP__I1-\"><img loading=\"lazy\" class=\"size-full wp-image-4362 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_10.jpg\" alt=\"\" width=\"676\" height=\"148\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_10.jpg 676w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_10-300x66.jpg 300w\" sizes=\"(max-width: 676px) 100vw, 676px\" \/><\/p>\n<p data-pid=\"tk_xkrYs\">\u53e6\u5916\u771f\u6b63\u5b58\u50a8\u7684\u65f6\u5019\u53ea\u9700\u8981t \u548c n\u5373\u53ef\uff0c\u7b2c\u4e09\u8f74\u53ef\u4ee5\u76f4\u63a5\u53c9\u4e58\u5f97\u5230\u3002\u5e76\u4e14\u5c06t\u548cn\u4f5c\u4e3a\u9876\u70b9\u7684\u5c5e\u6027\u8fdb\u884c\u5b58\u50a8\uff0c\u6b63\u5982\u9876\u70b9n\u662f\u5171\u4eab\u8be5\u70b9\u7684\u9762\u6cd5\u7ebf\u5747\u503c\uff0ct\u540c\u6837\u662f\u6240\u6709\u5171\u4eab\u8be5\u70b9\u7684\u4e09\u89d2\u9762\u5206\u522b\u8ba1\u7b97\u51fa\u6765t\u7684\u5747\u503c\uff0c\u4e0e\u6cd5\u7ebf\u53ef\u4ee5\u4f5c\u4e3a\u5b9a\u70b9\u5c5e\u6027\u63d2\u503c\u4e00\u6837\uff0ct\u4e5f\u53ef\u4ee5\u8fdb\u884c\u63d2\u503c\u8ba1\u7b97\u3002<\/p>\n<h1>\u00a0<\/h1>\n<h1 style=\"text-align: center;\"><b>Bump Map\uff08\u51f9\u51f8\u8d34\u56fe\uff09<\/b><\/h1>\n<p>Bump Map\u5176\u5b9e\u4e0eNormal Map\u5341\u5206\u7c7b\u4f3c\uff0cNormal Map\u76f4\u63a5\u5b58\u50a8\u4e86\u6cd5\u7ebf\u4fe1\u606f\uff0c\u800cBump Map\u5b58\u50a8\u7684\u662f\u8be5\u70b9\u903b\u8f91\u4e0a\u7684\u76f8\u5bf9\u9ad8\u5ea6(\u53ef\u4e3a\u8d1f\u503c)\uff0c\u8be5\u9ad8\u5ea6\u7684\u53d8\u5316\u5b9e\u9645\u4e0a\u8868\u73b0\u4e86\u7269\u4f53\u8868\u9762\u51f9\u51f8\u4e0d\u5e73\u7684\u7279\u8d28\uff0c\u5229\u7528\u8be5\u9ad8\u5ea6\u4fe1\u606f\uff0c\u518d\u8ba1\u7b97\u51fa\u8be5\u70b9\u6cd5\u7ebf\u5411\u91cf\uff0c\u6700\u540e\u518d\u5229\u7528\u8be5\u6cd5\u7ebf\u8ba1\u7b97\u5149\u7167\uff0c\u8fd9\u5c31\u662fBump Map\u7684\u8fc7\u7a0b\uff0c\u53ea\u4e0d\u8fc7\u6bd4\u76f4\u63a5\u7684Normal Map\u591a\u4e86\u4e00\u6b65\u4eceheight\u5230normal\u5411\u91cf\u7684\u8ba1\u7b97\u3002<\/p>\n<p>\u56e0\u4e3aBump Map\u5f71\u54cd\u7684\u662f\u7269\u4f53\u8868\u9762\u7684\u76f8\u5bf9\u9ad8\u5ea6\uff0c\u56e0\u6b64\u6709\u65f6\u4e5f\u79f0\u4f5cHeight Map\uff08\u9ad8\u5ea6\u8d34\u56fe\uff09\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-4363 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_11.jpg\" alt=\"\" width=\"1219\" height=\"467\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_11.jpg 1219w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_11-300x115.jpg 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_11-1024x392.jpg 1024w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_11-768x294.jpg 768w\" sizes=\"(max-width: 1219px) 100vw, 1219px\" \/><\/p>\n<p>Bump Map\u4e0a\u989c\u8272\u8d8a\u6d45\u4ee3\u8868\u8be5\u4f4d\u7f6e\u7684\u8868\u9762\u8d8a\u5411\u5916\u51f8\u8d77\uff0c\u989c\u8272\u8d8a\u6df1\u4ee3\u8868\u8be5\u4f4d\u7f6e\u7684\u8868\u9762\u8d8a\u5411\u5185\u51f9\u9677\uff0c\u56e0\u6b64Bump Map\u76f8\u6bd4Normal Map\u80fd\u591f\u66f4\u52a0\u76f4\u89c2\u5730\u9884\u89c8\u8868\u9762\u51f9\u51f8\u7684\u6548\u679c\u3002<\/p>\n<p>\u90a3\u4e48\u6240\u9700\u8981\u5173\u5fc3\u7684\u95ee\u9898\u5c31\u662f\uff0c\u5982\u4f55\u4ece\u76f8\u5bf9\u9ad8\u5ea6\u8ba1\u7b97\u51fa\u6cd5\u7ebf\u5411\u91cf\u5462\uff1f<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-4364 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_12.png\" alt=\"\" width=\"785\" height=\"280\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_12.png 785w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_12-300x107.png 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_12-768x274.png 768w\" sizes=\"(max-width: 785px) 100vw, 785px\" \/><\/p>\n<p>\u5047\u8bbe\u4e0a\u56fe\u4e2d\u9ed1\u8272\u7684\u7ebf\u662f\u539f\u672c\u4e00\u4e2a\u6bd4\u8f83\u5149\u6ed1\u7684\u9762\uff0c\u5728\u8fd9\u91cc\u5e94\u7528\u4e86\u4e00\u4e2aBump Map\u51b3\u5b9a\u76f8\u5bf9\u9ad8\u5ea6\u5982\u4f55\u53d8\u5316\uff0c\u5f97\u5230\u4e86\u9ec4\u8272\u7684\u7ebf\uff0c\u90a3\u4e48\u539f\u6765\u70b9\u7684\u4f4d\u7f6e\u4f1a<strong>\u88ab\u8ba4\u4e3a<\/strong>\u56e0Bump Map\u800c\u6539\u53d8\uff0c\u90a3\u4e48\u6cd5\u7ebf\u4e5f\u4f1a\u6539\u53d8\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-4374 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_14.png\" alt=\"\" width=\"634\" height=\"287\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_14.png 634w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_14-300x136.png 300w\" sizes=\"(max-width: 634px) 100vw, 634px\" \/><\/p>\n<p>\u5148\u7b80\u5316\u4e00\u4e0b\u95ee\u9898\uff0c\u5728\u4e00\u7ef4\u7a7a\u95f4\u4e0b\u6765\u8ba1\u7b97\uff0c\u70b9p\u539f\u6765\u7684\u6cd5\u7ebfn\u4e3a(0, 1) \uff0c\u6211\u4eec\u8981\u6c42\u51fa\u6539\u53d8\u540e\u7684\u6cd5\u7ebf\uff0c\u53ef\u4ee5\u5148\u6c42\u51fa\u4e0e\u6cd5\u7ebf\u5782\u76f4\u7684\u5207\u7ebf\uff0c\u8bbe\u5207\u5411\u91cf\u4e3a\uff08x\uff0cy\uff09\uff0c\u70b9p\u88ab\u6539\u53d8\u540e\u7684\u9ad8\u5ea6\u8bb0\u4e3ah\uff08p\uff09\u3002<\/p>\n<p>\u5229\u7528\u5fae\u5206\u7684\u601d\u60f3\uff0c\u627e\u76f8\u90bb\u50cf\u7d20\u70b9\u7684\u4f4d\u7f6e\u5373p+1\u5904\uff0c\u4e5f\u6709\u4e00\u4e2a\u9ad8\u5ea6h\uff08p+1\uff09\uff0c\u901a\u8fc7\u8fd9\u4e24\u70b9\u7684\u9ad8\u5ea6\u5dee\uff0c\u5c31\u53ef\u4ee5\u7b97\u51fa\u5207\u5411\u91cf\u7684y\u503c\uff0c\u5373\u4e3adp\uff0cx\u7684\u503c\u5c31\u662f\u76f8\u90bb\u4e24\u4e2a\u50cf\u7d20\u7684x\u5dee\u503c1\uff0c\u56e0\u6b64\u5207\u5411\u91cf\u5373\u4e3a\uff081\uff0cdp\uff09\uff0c\u6839\u636e\u9006\u65f6\u9488\u65cb\u8f6c90\u5ea6\u7684\u65cb\u8f6c\u77e9\u9635\u53ef\u4ee5\u5f97\u5230\u6cd5\u5411\u91cf\u4e3a\uff08-dp\uff0c1\uff09\uff0c\u5373\u6cd5\u7ebf\u4e3a\uff08-dp\uff0c1\uff09\uff0c\u6700\u540e\u5f52\u4e00\u5316\u4e3a\u5355\u4f4d\u5411\u91cf\u3002<\/p>\n<p>\u5c06\u521a\u521a\u4e00\u7ef4\u4e0a\u4e00\u6761\u7ebf\u7684\u601d\u7ef4\u63a8\u5e7f\u5230\u4e8c\u7ef4\u4e0auv\u5e73\u9762\u5185\u7684\u64cd\u4f5c\uff0c\u5bf9\u4e8eu\u548cv\u4e24\u4e2a\u7ef4\u5ea6\u6211\u4eec\u5c31\u53ef\u4ee5\u5f97\u51fa\u4e0b\u9762\u7684\u516c\u5f0f\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-4377 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_15.jpg\" alt=\"\" width=\"487\" height=\"131\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_15.jpg 487w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_15-300x81.jpg 300w\" sizes=\"(max-width: 487px) 100vw, 487px\" \/><\/p>\n<p>\u6700\u540e\u53ef\u4ee5\u5f97\u5230\u6cd5\u7ebf\u4e3a<strong>(-dp\/du, -dp\/dv, 1)<\/strong>\uff0c\u6700\u540e\u5f52\u4e00\u5316\u4e3a\u5355\u4f4d\u5411\u91cf\u5373\u53ef\u3002<\/p>\n<p>\u6ce8\u610f\uff0c\u6240\u6709\u8ba1\u7b97\u51fa\u6765\u7684\u6cd5\u7ebf\u90fd\u662f\u5c40\u90e8\u5750\u6807\u5373\u5207\u7ebf\u7a7a\u95f4\u4e4b\u4e0b\uff0c\u56e0\u6b64\u8fd8\u9700\u8981\u5de6\u4e58[t b n]\u77e9\u9635\u8f6c\u5230(\u4e16\u754c)\u76f8\u673a\u5750\u6807\u7cfb\u4e4b\u4e0b\u5f97\u5230\u6b63\u786e\u6cd5\u7ebf\u65b9\u5411\u3002<\/p>\n<h1>\u00a0<\/h1>\n<h2 style=\"text-align: center;\"><b>Displacement Map\uff08\u7f6e\u6362\u8d34\u56fe\uff09<\/b><\/h2>\n<p>Displacement Map\u5176\u5b9e\u4e0eNormal Map\u548cBump Map\u4e5f\u5341\u5206\u7c7b\u4f3c\uff0c\u540e\u4e24\u8005\u90fd\u662f\u901a\u8fc7\u4fee\u6539\u7269\u4f53\u6cd5\u7ebf\u5b9e\u73b0\u903b\u8f91\u4e0a\u7684\u6539\u53d8\u6a21\u578b\u8868\u9762\uff1b\u800cDisplacement Map\u5219\u662f\u901a\u8fc7\u4fee\u6539\u9876\u70b9\u7684\u4f4d\u7f6e\u5b9e\u73b0\u7269\u7406\u4e0a\u7684\u6539\u53d8\u6a21\u578b\u7684\u51e0\u4f55\u5f62\u72b6\uff0c\u56e0\u6b64Displacement Map\u5728\u63d0\u4f9b\u6700\u771f\u5b9e\u7684\u6548\u679c\u7684\u540c\u65f6\u4e5f\u4f1a\u5927\u5e45\u589e\u52a0\u6e32\u67d3\u6027\u80fd\u7684\u5f00\u9500\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-4380 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_16.jpg\" alt=\"\" width=\"1280\" height=\"516\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_16.jpg 1280w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_16-300x121.jpg 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_16-1024x413.jpg 1024w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_16-768x310.jpg 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u7269\u4f53\u6295\u5f71\u7684\u8fb9\u7f18\u4ee5\u53ca\u81ea\u9634\u5f71\u53d1\u73b0\u8fd9\u4e24\u79cd\u8d34\u56fe\u7684\u5dee\u522b\uff1a<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-4365 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_13.jpg\" alt=\"\" width=\"674\" height=\"337\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_13.jpg 674w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_13-300x150.jpg 300w\" sizes=\"(max-width: 674px) 100vw, 674px\" \/><\/p>\n<p>Displacement Map\u56e0\u4e3a\u662f\u901a\u8fc7\u6539\u53d8\u6a21\u578b\u4e0a\u70b9\u7684\u4f4d\u7f6e\u5b9e\u73b0\u7684\uff0c\u56e0\u6b64\u53c8\u88ab\u79f0\u4e3a\u4f4d\u79fb\u8d34\u56fe\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cDisplacement Map\u8981\u6c42\u4e09\u89d2\u5f62\u6570\u91cf\u8db3\u591f\u591a\uff0c\u901a\u5e38\u7ed3\u5408\u66f2\u9762\u7ec6\u5206\u4f7f\u7528\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u6548\u679c\u4e0d\u660e\u663e\u3002<\/p>\n<p>\u5c31\u5b9e\u73b0\u590d\u6742\u5ea6\/\u8d28\u91cf\u4e0e\u6027\u80fd\u5f00\u9500\u800c\u8a00\uff0cDispalcement Map&gt;Normal Map&gt;Bump Map\u3002<\/p>\n<h3>\u00a0<\/h3>\n<h3><b>Vector Displacement Map\uff08\u77e2\u91cf\u7f6e\u6362\u8d34\u56fe\uff09<\/b><\/h3>\n<p>Vector Displacement Map\u4e0e\u4f20\u7edfDisplacement Map\u4e0d\u540c\u7684\u662f\u8bb0\u5f55\u4e86\u6a21\u578b\u4e0a\u5404\u70b9\u7684\u9ad8\u5ea6\u548c\u65b9\u5411\u4fe1\u606f\uff0c\u5e76\u50a8\u5b58\u4e3a16\/32\u4f4d\u6d6e\u70b9\u989c\u8272\u4fe1\u606f\u3002<\/p>\n<p><img loading=\"lazy\" class=\"size-full wp-image-4383 aligncenter\" src=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_17.jpg\" alt=\"\" width=\"927\" height=\"612\" srcset=\"https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_17.jpg 927w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_17-300x198.jpg 300w, https:\/\/www.yumefx.com\/wp-content\/uploads\/2022\/01\/NormalMap_17-768x507.jpg 768w\" sizes=\"(max-width: 927px) 100vw, 927px\" \/><\/p>\n<p data-pid=\"34btcN9v\">\u4f20\u7edf\u7684\u7f6e\u6362\u8d34\u56fe\u4f7f\u7528\u7684\u662f\u4f4e\u6a21\u7684UV\u5750\u6807\uff0c\u8d34\u56fe\u8bb0\u5f55\u4e86\u9ad8\u6a21\u548c\u4f4e\u6a21\u4e4b\u95f4\u7684\u5dee\u5f02\uff1b\u800c\u77e2\u91cf\u7f6e\u6362\u8d34\u56fe\u5728\u4f7f\u7528\u7c7b\u4f3c\u6620\u5c04\u65b9\u6cd5\u7684\u540c\u65f6\uff0c\u8fd8\u80fd\u5728\u7a7a\u95f4\u4e2d\u79fb\u52a8\u9876\u70b9\u3002\u56e0\u6b64\u4e5f\u80fd\u8bb0\u5f55\u590d\u6742\u7684\u51f9\u9762\u4e0b\uff08\u5982\u8611\u83c7\u3001\u8033\u6735\u7b49\uff09\u7684\u9876\u70b9\u4fe1\u606f\uff0c\u5c06\u96d5\u523b\u7ec6\u8282\u4ece\u4e00\u4e2a\u6a21\u578b\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u6a21\u578b\u3002<\/p>\n<p 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