\u6d41\u7a0b\u4e2d\u542b\u6709\u5927\u91cf\u7684compute shader\u4f18\u5316\u5185\u5bb9\uff0c\u4ee5\u53ca\u7591\u4f3ccompatible\u6b8b\u7559\u4e0b\u6765\u7684\uff0cunused feature<\/p>\n\n\n\n
\n\n\n\n
2. BasePass<\/h2>\n\n\n\n1. \u7ec4\u6210\u89d2\u8272\u7684\u7ec4\u4ef6\uff08\u4ee5daniya\u4e3a\u4f8b\u8bf4\u660e\uff09<\/h3>\n\n\n\n
face01\uff0812948\uff09- \u81ea\u7136\u662f\u8138 draw\u4e24\u6b21\uff0c\u6709outline<\/p>\n\n\n\n
fur\uff0810902\uff09 – \u62ab\u80a9\u6bdb\u8338\u8338\u6548\u679c<\/p>\n\n\n\n
up01\uff0859412\uff09- \u89d2\u8272body<\/p>\n\n\n\n
down01\uff0854150\uff09- \u89d2\u8272\u6b63\u9762\u8863\u88d9<\/p>\n\n\n\n
cloth\uff0883844\uff09- \u89d2\u8272\u8863\u670d\uff0c\u662f\u9762\u6570\u6700\u591a\u7684\u7ec4\u4ef6<\/p>\n\n\n\n
eye01\uff081530\uff09- draw\u4e24\u6b21\uff0c\u4f46\u6ca1\u6709outline<\/p>\n\n\n\n
bangs\uff08\u5218\u6d77\uff1f\u4f46\u5b9e\u9645\u662f\u6574\u4e2a\u5934\u53d1\uff09 – \u7279\u6b8a\u5904\u7406\uff0c\u88abdraw\u4e863\u904d\uff08\u4e0d\u7b97outline\uff09<\/p>\n\n\n\n
- \n
- \u7b2c\u4e00\u6b21draw\u53ea\u5199\u5165\u4e86normal rt\u7684B\u901a\u9053\uff0c\u7528\u4e8e\u5904\u7406\u5218\u6d77\u4ea7\u751f\u7684\u9762\u90e8\u9634\u5f71<\/li>\n\n\n\n
- \u7b2c\u4e8c\u6b21draw\u662f\u4e3b\u4f53draw<\/li>\n\n\n\n
- \u7b2c\u4e09\u6b21draw\u9632\u6b62eye\u8986\u76d6\u5728bang\u4e0a\u9762<\/li>\n<\/ul>\n\n\n\n
hair01 – \u6b63\u5e38\u7684 draw 1\u6b21<\/p>\n\n\n\n
\uff08bangs hair01 down01 cloth face01 up01 \u6709 outline draw\uff0c fur eye01\u6ca1\u6709\uff09<\/p>\n\n\n\n
\u8fd9\u4e9b\u90e8\u4ef6\u5bf9\u5e94\u7684shader\u53ef\u4ee5\u5f52\u7c7b\u4e3a3\u4e2a\u57fa\u7c7b\uff1a<\/p>\n\n\n\n
MSM_ToonCommon\uff1aup down fur cloth \u6700\u590d\u6742\u7684shader 3000 – 5000 dxil lines<\/p>\n\n\n\n
MSM_ToonHair\uff1ahair bangs 3000 lines\uff08bangs\u7684\u7b2c\u4e00\u4e2adraw\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u6709300 lines\uff09<\/p>\n\n\n\n
MSM_ToonFace\uff1aeye01 face01 \u7b2c\u4e00\u6b211000 – 2000 dxil lines \u7b2c\u4e8c\u6b21500lines\uff08\u4f46\u8fd9\u4e2a\u7b2c\u4e8c\u6b21draw\u662funused\uff09<\/p>\n\n\n\n
\n\n\n\n2. MSM_ToonCommon<\/h3>\n\n\n\n
shader\u7684texture slots\u6bd4\u8f83\u7edf\u4e00\uff0c\u4e0b\u9762\u4ee5cloth\u4e3a\u4f8b\u8bf4\u660e<\/p>\n\n\n\n
\n\n![\"\"](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/figure>\n\n\n\nCloth_D.rgb diffuse<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nCloth_D.a <\/p>\n<\/div>\n<\/div>\n\n\n\n
Cloth_D.rgb\u662f\u57fa\u7840\u989c\u8272\u901a\u9053\uff0c\u6ca1\u4ec0\u4e48\u7279\u522b\u7684\u3002<\/p>\n\n\n\n
Cloth_D.a shadowWidth<\/strong> \u63a7\u5236\u9634\u5f71\u8fc7\u6e21\u533a\u57df\u5bbd\u5ea6
Cloth_D.a<\/code> \u8d8a\u9ad8\uff0cregionShadowWidth<\/code> \u8d8a\u5927\uff0c\u540e\u9762\u7684 ramp\/shadow \u8fc7\u6e21\u533a\u57df\u8d8a\u5bbd\uff0c\u9634\u5f71\u8fb9\u754c\u66f4\u8f6f\u3001\u66f4\u5c55\u5f00\uff1bCloth_D.a<\/code> \u8d8a\u4f4e\uff0c\u8fc7\u6e21\u8d8a\u7a84\uff0c\u9634\u5f71\u8fb9\u754c\u66f4\u786c\u6216\u66f4\u65e9\u88ab\u538b\u6389\u3002<\/p>\n\n\n\n\n\n<\/div><\/figure>\n\n\n\nCloth_FTM.r <\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nCloth_FTM.g<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nCloth_FTM.b<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nCloth_FTM.a<\/p>\n<\/div>\n<\/div>\n\n\n\n
FTM\u662ftype mask\uff0c4\u901a\u9053\u627f\u8f7d\u7740\u4e0d\u540c\u7684\u4f5c\u7528<\/p>\n\n\n\n
- \n
- r\u901a\u9053\uff1a
FTM.r<\/code> \u8d8a\u9ad8\uff0c\u8be5\u50cf\u7d20\u8d8a\u4e0d\u5bb9\u6613\u88ab dither\/discard \u6389\uff1b\u503c\u8d8a\u4f4e\uff0c\u8d8a\u4f9d\u8d56\u9ad8\u5149\u4eae\u5ea6\u6216\u566a\u58f0\u51b3\u5b9a\u662f\u5426\u4fdd\u7559<\/li>\n<\/ul>\n\n\n\nftmR = Cloth_FTM.r;\n\nclipStrength = max(specLuminance, ftmR);\ndiscard if (clipStrength + noise + threshold < 0);<\/code><\/pre>\n\n\n\n- \n
- g\u901a\u9053\uff1ametallic\u8d34\u56fe\uff0c\u6700\u7ec8\u7684metallic\u662fregion id\u51b3\u5b9a\u7684metallic + g\u901a\u9053\u91c7\u6837\u51b3\u5b9a<\/li>\n<\/ul>\n\n\n\n
ftmG = Cloth_FTM.g;\n\npbrRate = regionMetallicBase + ftmG;\npbrRate = saturate(pbrRate * 1.11111);\n\nrampMultiplier.rgb =\n 1.0 + (rampColored.rgb * baseSpecTint.rgb - 1.0) * pbrRate;\n\nspecTerm.rgb =\n lobeShape\n * baseSpecTint.rgb\n * rampMultiplier.rgb;\n\nextraSpec.rgb = max(specTerm.rgb * materialMask - 1.0, 0.0);<\/code><\/pre>\n\n\n\n- \n
- b\u901a\u9053\uff1a\u6cd5\u7ebf\u7ec6\u8282\u7a0b\u5ea6<\/strong>\uff0c\u5373\u6cd5\u7ebf\u662f\u66f4\u63a5\u8fd1\u57fa\u7840\u6cd5\u7ebf\uff0c\u8fd8\u662f\u66f4\u63a5\u8fd1 Cloth_N.rg \u7684\u7ec6\u8282\u6cd5\u7ebf\u3002\u9009\u62e9\u903b\u8f91\u516c\u5f0f\uff1a\uff0c\u8bf4\u660e\u9ad8\u503c\u4f7f\u6cd5\u7ebf\u66f4\u9760\u8fd1\u57fa\u7840\/\u9876\u70b9\u6cd5\u7ebf\uff0c\u89c6\u89c9\u66f4\u5e73\uff1b\u4f4e\u503c\u4fdd\u7559\u66f4\u591a
Cloth_N.rg<\/code> \u7684\u7ec6\u8282\u3002\u5f53\u524dcloth\u4e2d\u6ca1\u6709\u542f\u52a8blend\uff0c\u4e5f\u5c31\u662f\u9ed8\u8ba4\u6cd5\u7ebf\u5168\u90e8\u6765\u81eaCloth_N.rg<\/li>\n\n\n\n- a\u901a\u9053\uff1a\u914d\u5408region id\uff0cchoose high or low<\/li>\n<\/ul>\n\n\n\n
ftmB = Cloth_FTM.b;\n\nnormalBlendMask =\n saturate(cb4[114].y * 2.00803 *\n (cb4[114].x * (ftmB - 0.5) - 0.00199997));\n\ndetailNormal = decodeNormal(Cloth_N.rg);\nfinalNormal = lerp(detailNormal, baseNormal, normalBlendMask);<\/code><\/pre>\n\n\n\n\n\n<\/div><\/figure>\n\n\n\nCloth_N.rg<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nCloth_N.a<\/p>\n<\/div>\n<\/div>\n\n\n\n
Cloth_N.rg uv\u91c7\u6837\u7684\u7ec6\u8282\u6cd5\u7ebf<\/p>\n\n\n\n
Cloth_N.a roughness\u63a7\u5236\uff0c\u5f71\u54cd\u9ad8\u5149\u533a\u57df\u548cflowmap\u91c7\u6837LOD\u3002\u53ef\u4ee5\u770b\u5230\uff0ca\u901a\u9053\u8d8a\u63a5\u8fd1 1 \u8bf4\u660eLOD\u8d8a\u9ad8\uff0c\u4e5f\u5c31\u662f\u91c7\u6837\u7684\u8d8a\u6a21\u7cca\uff0c\u6700\u7ec8\u54cd\u5e94\u5c31\u8d8a\u4f4e\u9891\uff0c\u4ee3\u8868roughness\u63d0\u9ad8<\/p>\n\n\n\n
response = saturate_to_0_1(\n clamp(regionRoughness + Cloth_N.a, 0.0, 0.9) \/ 0.9\n);\nrampLOD = 4.0 + 1.2 * log2(max(response, 0.001));\n\nresponse = 1.0 -> LOD = 4.00\nresponse = 0.5 -> LOD = 2.80\nresponse = 0.25 -> LOD = 1.60\nresponse = 0.1 -> LOD = 0.01\nresponse = 0.001 -> LOD = -7.96\uff0c\u5b9e\u9645\u63a5\u8fd1\u6700\u6e05\u6670 mip<\/code><\/pre>\n\n\n\n\n\n<\/div><\/figure>\n\n\n\nRGID_high4<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nRGID_low4<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nRGID_selcted<\/p>\n<\/div>\n<\/div>\n\n\n\n
RGID\u8d34\u56fe\uff0c\u4e0e Cloth_FTM \u8d34\u56fe\u7684a\u901a\u9053\u914d\u5408\u4f7f\u7528\u3002\u5176\u672c\u8eab\u6bcf\u4e2a\u50cf\u7d20\u662f8bit\u7684\u5355\u901a\u9053\u503c\uff0c\u524d\u97624bits\u548c\u540e\u97624bits\u5206\u522b\u7f16\u7801\u4e24\u7ec4region id\uff0c\u5373\u5982\u4e0a\u56fe\u6240\u793a\u3002region id\u8303\u56f4\u662f 0 – 4<\/p>\n\n\n\n
decode\u65f6\uff0c\u9700\u8981\u7ecf\u8fc7\u4e00\u4e2a\u5224\u65ad\uff1a\u5f53Cloth_FTM.a\u5927\u4e8e0.5\uff0c\u5373\u767d\u8272\u533a\u57df\uff0cchoose high\uff1b\u53cd\u4e4bchoose low\u3002\u6700\u7ec8\u7684region id\u5982\u4e0a\u53f3\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n
region id\u7ed1\u5b9a\u4e86\u4e00\u7ec4\u5bf9\u5e94\u7684\u53c2\u6570\u96c6\u5408\u3002\u4eceCloth\u5bf9\u5e94\u7684\u6750\u8d28\u5b9e\u4f8b\uff08Material Instance\uff09\u6765\u770b\uff0c\u50cf\u662f\u8fd9\u6837\uff1a<\/p>\n\n\n\n
id 0: RampID 2, RampInt 0.7, ShadowWidth 0.1, Metallic -0.2, Roughness 0.2, Spec_Int 1, Spec_Smooth 1.0, Spec_Width 0.5<\/p>\n\n\n\n
\n\n<\/div><\/figure>\n\n\n\nNormal_Flowmap_40001_2.rgb<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nNormal_Flowmap_40001_2.a<\/p>\n<\/div>\n<\/div>\n\n\n\n
Rim light feature<\/p>\n\n\n\n
\u4e8c\u9009\u4e00\uff1a\u5f53\u524d\u60c5\u51b5\u4e0b\uff0cregion id\u51b3\u5b9a\u4e86regionRampMask\uff0c\u4e5f\u5c31\u51b3\u5b9a\u4e86\u662f\u9009\u62e9\u8fd9\u91cc\u7684\u5f69\u8272\u9879\uff0c\u8fd8\u662f\u7070\u5ea6\u9879<\/p>\n\n\n\n
region id 0: \u4f7f\u7528 Normal_Flowmap_40001_2.rgb \u8ba9\u88d9\u5b50\u7c89\u8272\u7684\u90e8\u5206\u66f4\u5bcc\u6709\u5f69\u8272\u53d8\u5316
region id 1-4: \u66f4\u503e\u5411\u4f7f\u7528 Normal_Flowmap_40001_2.a \u7070\u5ea6<\/p>\n\n\n\n\u91c7\u6837\u503c\u6765\u6e90\u4e8e\uff1a\u6cd5\u7ebf\u6b63\u5bf9\u955c\u5934\u7684\u7a0b\u5ea6<\/strong>\uff0c\u4e5f\u5c31\u662f\u5f53\u6cd5\u7ebf\u6b63\u5bf9\u955c\u5934\u662f\uff0c\u53d6texture\u6b63\u4e2d\u592e\uff1b\u5f53\u6cd5\u7ebf\u8fd1\u4f3c\u4e8e\u955c\u5934\u5782\u76f4\u7684\u65f6\u5019\uff0c\u53d6texture\u6700\u8fb9\u7f18\u3002<\/p>\n\n\n\n
\u4e24\u4e2a\u7ed3\u8bba\uff1a<\/p>\n\n\n\n
- \n
- \u88d9\u5b50\u7c89\u8272\u90e8\u5206\uff08id 0\uff09\u66f4\u63a5\u8fd1\u6f2b\u53cd\u5c04\u989c\u8272\uff0crim light\u90e8\u5206\u7279\u6027\u4e0d\u660e\u663e<\/li>\n\n\n\n
- \u5176\u4ed6\u90e8\u5206\u7684rim light\u9879\u6ca1\u6709\u989c\u8272\u503e\u5411\uff0c\u4ec5\u4ec5\u8d1f\u8d23\u5728\u8fb9\u7f18\u65f6\u4eae\u7684feature<\/li>\n<\/ol>\n\n\n\n
id = selectedRegionID;\n\nregionRampMask =\n (id + 0.5 >= 1.0) &&\n (id - 0.5 <= 4.0)\n ? 1.0\n : 0.0;\nprojectedX = normal.x * view.z - normal.z * view.x;\nprojectedY = normal.z * view.y - normal.y * view.z;\n\nrampUV = float2(projectedX, projectedY) * 0.5 + 0.5;\n\nrampSample = Normal_Flowmap_40001_2.SampleLevel(rampUV, rampLOD);\n\n\/\/ \u8fd9\u91cclerp\u7531\u4e8emask\u662f0\/1\uff0c\u5b9e\u9645\u5c31\u662f2\u90091\nrampRGB = lerp(\n rampSample.rgb,\n rampSample.a.xxx,\n regionRampMask\n);\n\nrampColored = rampRGB * RampColor.rgb * rampIntensity;\nspecTerm += rampColored * regionSpecParams;<\/code><\/pre>\n\n\n\n\n\n<\/div><\/figure>\n\n\n\nNormal_Flowmap_40001_N.rg<\/p>\n<\/div>\n<\/div>\n\n\n\n
TLDR\uff1a<\/strong>
Normal_Flowmap_40001_N.rg<\/code> \u5bf9\u5e94Parallax map\uff08\u89c6\u5dee\u8d34\u56fe\uff09\uff1b\u5f53\u524d\u4e3b\u8981\u5728 regionID = 3 \u7684\u533a\u57df\u4e2d\uff0c\u914d\u5408\u89c6\u89d2\u65b9\u5411\u4e0e height\/SDF \u641c\u7d22\uff0c\u7b97\u51fa\u4e00\u6bb5 UV \u504f\u79fb\uff0c\u7528\u6765\u63a8\u52a8\u540e\u7eed Cloth_D \/ Cloth_N \/ FTM \/ RGID \u7684\u91c7\u6837\uff0c\u4ee5\u4f53\u73b0\u51fa\u7279\u5b9a\u533a\u57df\u51f9\u51f8\u4e0d\u5e73\u7684\u7eb9\u7406\u7ec6\u8282<\/p>\n\n\n\n\u5c55\u5f00\uff1aNormal_Flowmap_40001_N.rg \u8be6\u7ec6\u903b\u8f91<\/strong><\/summary>\n
feature:\u8fd9\u662f Parallax Mapping<\/strong>\uff08\u89c6\u5dee\u8d34\u56fe\uff09 \u7684\u4e00\u79cd\u53d8\u4f53\u3002<\/p>\n\n\n\n
\u771f\u5b9e\u51e0\u4f55\u91cc\uff0c\u5982\u679c\u5e03\u6599\u8868\u9762\u6709\u51f8\u8d77\u3001\u7ed2\u6bdb\u3001\u7eb9\u7406\u6c9f\u69fd\uff0c\u659c\u7740\u770b\u65f6\uff0c\u4f60\u770b\u5230\u7684\u5e76\u4e0d\u662f\u539f\u59cb UV \u90a3\u4e2a\u70b9\uff0c\u800c\u662f\u89c6\u7ebf\u7a7f\u8fc7\u8868\u9762\u9ad8\u5ea6\u573a\u540e\u78b0\u5230\u7684\u53e6\u4e00\u4e2a\u70b9\u3002\u5982\u4e0b\u56fe\uff0c\u6b64\u65f6\u91c7\u6837A\u5c31\u4e0d\u592a\u5bf9\uff0c\u5e94\u8be5\u91c7\u6837B\uff0c\u4e8e\u662f\u9700\u8981\u8ba1\u7b97\u51fauv offset<\/p>\n\n\n\n
<\/div><\/figure>\n\n\n\n\u5bf9\u4e8e\u7279\u5b9a\u7684region id\uff0c\u91c7\u7528\u8fd9\u4e2aflow map \u76f4\u63a5\u5f71\u54cd\u4e3b uv \u8ba9\u7eb9\u7406\u504f\u79fb\u3002cloth\u4e0b\uff0cregion id = 3 \u89e6\u53d1<\/p>\n\n\n\n
\u6cbf\u89c6\u89d2\u65b9\u5411\u505a\u591a\u6b65 raymarch\uff0c\u6bcf\u4e00\u6b65\u7528 flowmap.rg \u7ed9\u8fd9\u4e2a\u6b65\u8fdb\u4f4d\u7f6e\u4e00\u4e2a\u5c40\u90e8\u65b9\u5411\u6270\u52a8\uff0c\u518d\u7ed3\u5408\u9ad8\u5ea6\/\u906e\u7f69\u51b3\u5b9a\u6700\u7ec8 UV \u504f\u79fb\u3002\u8fd9\u4e2a\u9ad8\u5ea6\u5b9e\u9645\u662f T_Sparkle_SDF \u7684 r \u901a\u9053\uff0c\u4e3a\u4e86\u6a21\u62df\u5e03\u6599\uff0c\u5927\u6982\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n
<\/div><\/figure>\n\n\n\nflowRegionMask = (regionID == 3) ? 1.0 : 0.0;\n\n\/\/ tangent space view slope\uff0c\u89c6\u89d2\u8d8a\u659c\uff0cUV \u504f\u79fb\u8d8a\u5927\nviewOffset.x = -dot(viewDir, tangent) \/ dot(viewDir, normal);\nviewOffset.y = -dot(viewDir, bitangent) \/ dot(viewDir, normal);\n\nparallaxStrength = 0.005333 * flowRegionMask;\n\n\/\/ \u5148\u628a\u8d77\u70b9\u4ece baseUV \u5f80\u89c6\u89d2\u53cd\u65b9\u5411\u63a8\u4e00\u70b9\nuv0 = baseUV - viewOffset * parallaxStrength;\n\nif (flowRegionMask == 1)\n{\n float uvScale = 30.0;\n float stepCount = 8.0;\n float layerStep = 1.0 \/ stepCount;\n\n \/\/ \u5b9e\u9645\u5faa\u73af\u6b21\u6570\u662f stepCount + 2 = 10 \u6b65\n int loopCount = 10;\n\n float2 rayStepUV = viewOffset * 0.005333 \/ stepCount;\n\n \/\/ \u6ce8\u610f\uff1aheight\/SDF \u91c7\u6837\u7528\u7684\u662f 30 \u500d tiled UV\n float2 scaledBaseUV = uv0 * uvScale;\n\n float currentLayer = 1.0;\n float prevLayer = 1.0;\n float prevHeight = 1.0;\n\n float2 prevOffsetScaled = 0;\n float2 finalOffsetScaled = 0;\n\n \/\/ shader \u91cc\u8fd8\u6709\u4e00\u4e2a facing mask\uff0c\u5927\u81f4\u662f\u89c6\u89d2\/\u6cd5\u7ebf\u76f8\u5173\u7684 smoothstep\n \/\/ \u4e0d\u671d\u5411\u5408\u9002\u65b9\u5411\u65f6\uff0cheight \u4f1a\u88ab\u538b\u4f4e\n float heightMask = smoothstep01(saturate(NoVTerm)) * flowRegionMask;\n\n for (int i = 0; i < 10; i++)\n {\n \/\/ flowmap \u91c7\u6837\uff1a\u6cbf viewOffset \u65b9\u5411\u5f80\u524d\u8d70\n float2 rayUV = uv0 + rayStepUV * (i + 1);\n\n float2 flowVec =\n T_Normal_Flowmap_40001_N.SampleGrad(sampler, rayUV, ddx, ddy).rg * 2.0 - 1.0;\n\n \/\/ \u8fd9\u91cc 0.08 \/ 8 = 0.01\n float2 flowOffsetScaled = flowVec * 0.01;\n\n \/\/ height \/ SDF \u91c7\u6837\uff1a\u4e0d\u662f rayUV\uff0c\u800c\u662f scaledBaseUV + \u4e0a\u4e00\u6b65 offset\n float2 heightUV = scaledBaseUV + prevOffsetScaled;\n\n float height =\n T_Sparkle_SDF.SampleGrad(sampler, heightUV, ddx, ddy).r\n * heightMask;\n\n \/\/ \u6838\u5fc3\u5224\u65ad\uff1a\n \/\/ currentLayer \u4ece 1.0 \u5f00\u59cb\uff0c\u6bcf\u6b65\u51cf 1\/8\n \/\/ height \u662f\u5f53\u524d SDF\/height \u7eb9\u7406\u7ed9\u51fa\u7684\u9ad8\u5ea6\n \/\/ \u5982\u679c currentLayer < height\uff0c\u8bf4\u660e ray \u5df2\u7ecf\u8fdb\u5165\/\u7a7f\u8fc7 heightfield\n bool hit = currentLayer < height;\n\n if (hit)\n {\n float hitT =\n (height - currentLayer)\n \/ ((prevLayer - currentLayer) - prevHeight + height);\n\n \/\/ \u547d\u4e2d\u540e\u5728\u4e0a\u4e00\u5c42\u548c\u5f53\u524d\u5c42\u4e4b\u95f4\u63d2\u503c\uff0c\u51cf\u5c11 8 \u6b65 raymarch \u7684\u9636\u68af\u611f\n finalOffsetScaled =\n prevOffsetScaled\n - hitT * (rayStepUV * uvScale - flowOffsetScaled);\n\n break;\n }\n else\n {\n \/\/ \u6ca1\u547d\u4e2d\u5c31\u7ee7\u7eed\u63a8\u8fdb\u3002\n \/\/ \u6ce8\u610f\u5b83\u4e0d\u662f\u7b80\u5355 accumulated += flowOffset\uff1b\n \/\/ shader \u4f1a\u628a ray \u6b65\u8fdb offset \u548c flowmap offset \u7ec4\u5408\u6210\u65b0\u7684\u5019\u9009 offset\u3002\n finalOffsetScaled =\n rayStepUV * uvScale * (i + 1)\n + flowOffsetScaled * (10.0 - i);\n\n prevOffsetScaled = finalOffsetScaled;\n prevLayer = currentLayer;\n prevHeight = height;\n\n currentLayer -= layerStep;\n }\n }\n\n finalUV = uv0 + finalOffsetScaled \/ uvScale;\n}\nelse\n{\n finalUV = baseUV;\n}<\/code><\/pre>\n<\/details>\n\n\n\n\n\n<\/div><\/figure>\n\n\n\nT_Wenli_230046<\/p>\n<\/div>\n<\/div>\n\n\n\n
T_Wenli_230046<\/code> \u662f\u4e00\u5c42\u4f1a\u968f\u7269\u4f53\/\u5c4f\u5e55\u5750\u6807\u6eda\u52a8\u7684 second texture\uff0c\u5f53\u524d\u53c2\u6570\u8ba9\u5b83 \u6a2a\u5411\u91cd\u590d 4 \u6b21\u3001\u7eb5\u5411\u91cd\u590d 2 \u6b21\uff0c\u5e76\u6309\u65f6\u95f4\u7f13\u6162\u6eda\u52a8\uff0c\u7136\u540e\u67d3\u6210\u504f\u84dd\u7d2b\u7684\u989c\u8272<\/strong>\u3002\u4ee5\u4f53\u73b0\u7eb9\u7406\u5728\u6a21\u578b\u8868\u9762\u6d41\u52a8\u7684\u6548\u679c\u3002<\/p>\n\n\n\n\u5c55\u5f00\uff1aT_Wenli_230046 second texture \u8be6\u7ec6\u903b\u8f91<\/strong><\/summary>\n
1. \u5148\u6784\u9020 object-screen UV<\/strong><\/p>\n\n\n\n
object-screen UV \u7406\u89e3\uff1a\u5c4f\u5e55\u7a7a\u95f4\u5185\uff0c\u5f53\u524dpixel\u4e0ecenter\u7684\u8ddd\u79bb<\/p>\n\n\n\n
\/\/ \u5f53\u524d\u50cf\u7d20\/\u5f53\u524d\u7247\u5143\u7684\u67d0\u4e2a view\/object relative \u4f4d\u7f6e\nfloat3 p = pixelRelativePos; \/\/ \u5bf9\u5e94 _353,_354,_355\n\n\/\/ \u7269\u4f53\/\u89d2\u8272\u57fa\u51c6\u70b9\uff0c\u6765\u81ea cbuffer\nfloat3 center = objectCenterOrPivot; \/\/ \u5bf9\u5e94 cb2[5].xyz \/ _1606,_1607,_1608\n\n\/\/ \u628a\u5f53\u524d\u70b9\u6295\u5f71\u5230\u5c4f\u5e55\nfloat2 screenP;\nscreenP.x = ProjectX(p);\nscreenP.y = -ProjectY(p);\n\n\/\/ \u628a\u7269\u4f53\u57fa\u51c6\u70b9\u6295\u5f71\u5230\u5c4f\u5e55\nfloat2 screenCenter;\nscreenCenter.x = ProjectX(center);\nscreenCenter.y = -ProjectY(center);\n\n\/\/ \u4e24\u8005\u76f8\u51cf\uff0c\u5f97\u5230 object screen uv\nfloat2 objectScreenUV = screenP - screenCenter;\n\n\/\/ \u7136\u540e shader \u4f1a\u6309\u8ddd\u79bb\/\u6df1\u5ea6\u505a\u4e00\u6b21\u7f29\u653e\uff1a\ndepthScale = abs(ProjectDepth(center + cameraPos) * 0.01);\nobjectScreenUV *= depthScale;<\/code><\/pre>\n\n\n\n\u7136\u540e\u5e26\u5165
Second_ScreenObjectUV = float4(0,0,1,0.7<\/code>\uff09<\/p>\n\n\n\nobjectScreenUV =\n (Project(pixelPos) - Project(objectCenter))\n * depthScale\n * float2(1.0, 0.7)\n + 0.5;<\/code><\/pre>\n\n\n\n2. \u518d\u5e26\u5165 Second_UV.xy = (4, 2)<\/strong>\uff08\u57fa\u7840\u7f29\u653e\uff09 \u548c Second_UV.<\/strong>zw \uff08\u6eda\u52a8\u901f\u5ea6\uff09
secondUV = objectScreenUV * float2(4.0, 2.0)
+ timePhase * float2(0.03, 0.02);<\/p>\n\n\n\n3. \u91c7\u6837 T_Wenli_230046<\/strong><\/p>\n\n\n\n
secondSample = T_Wenli_230046.SampleBias(secondUV).rgb;<\/code><\/pre>\n\n\n\n\u5f53\u524d second \u5904\u7406\u53c2\u6570\u91cc power \/ blend \u57fa\u672c\u4e0d\u4f1a\u6539\u53d8\u91c7\u6837\u989c\u8272\uff1a<\/p>\n\n\n\n
power = 1.0;\nintensityA = 1.0;\nintensityB = 1.0;\nblend = 0.0;\n\nsecondRGB \u2248 secondSample.rgb;<\/code><\/pre>\n\n\n\n4. \u5e26\u5165 Second_ColorTint = (1.2, 1.9, 4.0)<\/strong><\/p>\n\n\n\n
secondTinted.rgb = secondRGB * float3(1.2, 1.9, 4.0);<\/code><\/pre>\n\n\n\n\u76f4\u89c2\u7406\u89e3\uff1a\u84dd\u901a\u9053\u88ab\u653e\u5927\u6700\u591a\uff0c\u6240\u4ee5\u8fd9\u5c42
T_Wenli_230046<\/code> \u6700\u7ec8\u504f\u84dd\/\u9752\u7d2b\uff0c\u50cf\u4e00\u5c42\u989d\u5916\u53d1\u5149\u7eb9\u7406\u6216\u6d41\u52a8\u7eb9\u7406\u3002<\/p>\n\n\n\n\u6700\u540e\u5b83\u8fd8\u4f1a\u518d\u4e58 rim\/view mask\u3001\u5176\u5b83 second mask\uff0c\u7136\u540e\u52a0\u5230\u6700\u7ec8\u989c\u8272\u91cc\u3002\u7b80\u5316\u94fe\u8def\u5c31\u662f\uff1a<\/p>\n\n\n\n
objectScreenUV\n -> * float2(4.0, 1.4)\n -> + time * float2(0.03, 0.02)\n -> sample T_Wenli_230046.rgb\n -> * float3(1.2, 1.9, 4.0)\n -> mask\/rim \u8c03\u5236\n -> finalColor += secondContribution<\/code><\/pre>\n\n\n\n\u8fd9\u7ec4\u53c2\u6570\u8ba9
T_Wenli_230046<\/code> \u4f5c\u4e3a\u4e00\u5c42\u968f\u65f6\u95f4\u6eda\u52a8\u7684 second \u7eb9\u7406\u8986\u76d6\u5728\u5e03\u6599\u4e0a\uff0c\u6a2a\u5411\u5bc6\u5ea6\u66f4\u9ad8\uff0c\u989c\u8272\u88ab\u5f3a\u70c8\u63a8\u5411\u84dd\u8272\uff0c\u7528\u6765\u505a\u989d\u5916\u7eb9\u7406\/\u5149\u7eb9\u6548\u679c\u3002<\/p>\n<\/details>\n\n\n\n\n\n\n<\/div><\/figure>\n\n\n\nCloth_FX.r<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nCloth_FX.g<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nCloth_FX.b<\/p>\n<\/div>\n\n\n\n
\n<\/div><\/figure>\n\n\n\nCloth_FX.a<\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
Cloth_FX \u662f effect mask \u6253\u5305\u8d34\u56fe\u3002<\/p>\n\n\n\n
\u5728 event478 cloth shader \u4e2d\uff0c\u53ea\u6709 Cloth_FX.g \u88ab\u4f7f\u7528\u3002<\/p>\n\n\n\n
Cloth_FX.g\uff1a
\u63a7\u5236\u4e00\u6761 rim light \u7684mask\u3002
shader \u5bf9\u5b83\u505a pow(fxG, cb4[154].z)\uff0c\u518d\u4e58\u5230 effect\/rim \u989c\u8272\u4e0a\u3002
\u503c\u4e3a1\uff0c\u8be5\u533a\u57df\u8d8a\u5bb9\u6613\u51fa\u73b0\u989d\u5916\u4eae\u8fb9\u3001\u53d1\u5149\/\u7279\u6548\u8272\u54cd\u5e94\uff1b
\u503c\u4e3a0\uff0c\u5c4f\u853d\u8fd9\u4e2aeffect\u3002<\/p>\n\n\n\n3. RT1.b – Shadow<\/h3>\n\n\n\n
TLDR\uff1a<\/strong>RT1.b \u662f shadow\u3002\u5b83\u7684\u6765\u6e90\u94fe\u8def\u662f\uff1aRGID\/FTM.a \u9009 region \u2192 Cloth_D.a \u8ba1\u7b97 solid shadow mask \u4ee3\u8868\u6750\u8d28\u5c42\u7ea7\u7684\u660e\u6697\u7ec6\u8282 \u2192 NoL + \u57fa\u4e8eviewDir \u7684 bias + \u57fa\u4e8e\u6750\u8d28\u7684 shadowWidth\uff0c\u8ba1\u7b97 rt1RampCoord\uff0c\u5373\u5199\u5165 GBuffer \u524d\u7684\u573a\u666f\u5c42\u7ea7\u660e\u6697\u6807\u91cf \u2192 \u4e24\u9879\u4e58\u79ef\uff0c\u653e\u7f29\u5230 0.5 – 1\u7684 RT1.b\u3002<\/p>\n\n\n\n
\u5c55\u5f00\uff1aRT1.b basepass \u6765\u6e90\u94fe\u8def<\/strong><\/summary>\n
\u9636\u6bb5 1\uff1aregion id \u89e3\u7801\uff0c\u7528\u6765\u9009\u62e9 ramp \u53c2\u6570\u3002<\/strong>\u4f4e\/\u9ad8 4bit \u6765\u81ea
Texture2D0 \/ RGID<\/code> \u7684 R \u901a\u9053\uff0chigh\/low \u7684\u9009\u62e9\u6765\u81eaTexture2D1 \/ Cloth_FTM.a<\/code> \u5177\u4f53\u7684 id \u5206\u5e03\u53ef\u4ee5\u53c2\u8003 MSM_ToonCommon RGID \u8d34\u56fe\u7684\u62c6\u89e3\u3002regionID \u8303\u56f4 0 – 4<\/p>\n\n\n\n\/\/ RGID: Texture2D0.r, baseUV = _236\/_237\nfloat rgid = Texture2D0.SampleLevel(s0, baseUV, lod).r; \/\/ _2418.r\nint packed = (int)(rgid * 255.5); \/\/ _2421\nfloat low4 = float(packed & 15); \/\/ _2424\nfloat high4 = float(packed >> 4); \/\/ _2423\n\n\/\/ FTM.a: Texture2D1.a, final\/parallax UV = _2575\/_2576\nfloat chooseHigh = Texture2D1.SampleLevel(s1, finalUV, lod).a < 0.5 ? 0.0 : 1.0; \/\/ _2815\nfloat regionID = low4 + chooseHigh * (high4 - low4); \/\/ _2819<\/code><\/pre>\n\n\n\n\u9636\u6bb5 2\uff1a\u4ece Cloth_D.a \u901a\u9053\u5f97\u5230 solid shadow mask\u3002<\/strong>uv \u662f\u524d\u9762 parallax\/flow \u7d2f\u79ef\u540e\u7684\u6700\u7ec8\u91c7\u6837 UV\u3002shader \u7528\u5b83\u91c7\u6837 Cloth_D.a<\/strong>\uff0c\u518d\u6839\u636e\u9634\u5f71\u5bbd\u5ea6\u548c\u8303\u56f4\u8fdb\u884c\u7f8e\u672f\u6548\u679c\u88c1\u526a\uff0c\u5f97\u5230
solidShadowMask<\/code>\u3002\u8fd9\u91cc\u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n\u8f93\u5165\u8303\u56f4 0.035 -> 0.315 \u88ab\u7ebf\u6027\u6620\u5c04\u5230 solidShadowMask 0 -> 1<\/p>\n\n\n\n
\/\/ \u53c2\u6570\u8bed\u4e49\uff1a\n\/\/ alphaInputMax\uff1a\u8f93\u5165 a \u7684\u6709\u6548\u4e0a\u9650\u3002\u4e5f\u5c31\u662f\u53ea\u8003\u86510 - 0.5\u90e8\u5206\u7684\u53d8\u5316\uff0c\u653e\u7f29\u4e0a\u754c\n\/\/ SolidShadowProcess\uff1a\u4e0ealphaInputMax\u4e58\u79ef\uff0c\u4e5f\u5c31\u662f\u53ea\u8003\u8651 0 - 0.35\u7684\u53d8\u5316\uff0c\u653e\u7f29\u4e0a\u754c\n\/\/ SolidShadowWidth\uff1a\u503c\u4e3a 0.8\uff0c\u653e\u7f29\u4e24\u8fb9\uff0c\u4ece0 - 0.35 \u5230 0.035 -> 0.315\n\n\/\/ \u5f53\u524d\u6570\u503c\u4ee3\u5165\uff1a\n\/\/ alphaInputMax = 0.5, SolidShadowProcess = 0.7, SolidShadowWidth = 0.8\n\/\/ low = 0.1, high = 0.9\n\/\/ Cloth_D.a \u8f93\u5165\u8303\u56f4 0.035 -> 0.315 \u88ab\u7ebf\u6027\u6620\u5c04\u5230 solidShadowMask 0 -> 1\u3002\n\/\/ \u7b49\u6548\u5f0f\uff1asolidShadowMask = saturate((Cloth_D.a - 0.035) \/ 0.28)\n\nfloat alphaOrHeight = Texture2D5.SampleBias(s5, finalUV, mipBias).a; \/\/ _2580\n\nfloat alphaInputMax = cb4[1904].y \/* 0.5 *\/;\nfloat alphaClamp0 = min(max(alphaOrHeight, 0.0), alphaInputMax); \/\/ _2583,_2584\nfloat alphaNorm0 = alphaClamp0 \/ alphaInputMax; \/\/ _2585\n\nfloat SolidShadowProcess = cb4[1984].z \/* 0.7, MI: SolidShadowProcess *\/;\nfloat alphaNorm1 = min(alphaNorm0, SolidShadowProcess) \/ SolidShadowProcess; \/\/ _2588,_2590\n\nfloat SolidShadowWidth = cb4[2000].w \/* 0.8, MI: SolidShadowWidth *\/;\nfloat solidShadowLow = cb4[2000].y \/* 0.1 = (1 - SolidShadowWidth) * 0.5 *\/;\nfloat solidShadowHigh = cb4[2000].x \/* 0.9 = (1 + SolidShadowWidth) * 0.5 *\/;\nfloat alphaWindow = min(max(alphaNorm1, solidShadowLow), solidShadowHigh); \/\/ _2594,_2595\n\nfloat solidShadowMask =\n (alphaWindow - solidShadowLow) \/ SolidShadowWidth; \/\/ _2598<\/code><\/pre>\n\n\n\n\u9636\u6bb5 3\uff1alightDir \u53ca\u6df7\u5408\u3002<\/strong>shadow<\/strong> \u8303\u56f4\u7684\u8ba1\u7b97\u9700\u8981NdotL\uff0c\u8fd9\u91cc\u7684L\u9700\u8981\u53ef\u80fd\u7684\u6df7\u5408\uff0c\u5f53\u7136\u5728cloth shader\u91cc\u9762\uff0c\u8fd9\u51e0\u90e8\u5206\u6df7\u5408\u90fd\u88ab\u5173\u6389\u4e86\uff0clightDir\u76f4\u63a5\u5c31\u662f\u573a\u666f\u4e3b\u5149\u65b9\u5411\u3002<\/p>\n\n\n\n
\/\/ \u5f53\u524d\u6700\u7ec8\u7b49\u6548\uff1a\nfloat rampLight \u2248 (-0.5792279, -0.4055798, 0.70710677)\n\/\/ \u5373\uff1aRT1.b \u7684 ramp shadow \u65b9\u5411\u57fa\u672c\u4f7f\u7528\u4e00\u4e2a\u7a33\u5b9a\u7684 draw\/scene \u7ea7\u65b9\u5411\uff0c\u800c\u4e0d\u662f\u9010\u50cf\u7d20 normal map \u65b9\u5411\u3002\n\n\n\/\/ \u540e\u9762\u4e0d\u662f\u518d\u91cd\u5efa normal\uff0c\u800c\u662f\u628a rampLight \u7684\u5c4f\u5e55 XY \u671d\u5411\u4e0e viewDir.xy \u6bd4\u8f83\uff0c\u751f\u6210\u989d\u5916 ramp \u53ef\u89c1\u6027\u4fee\u6b63\u3002\n\/\/ \u5f53\u524d cb4[2688].z = 0\uff0c\u6240\u4ee5 visibilityLoss = 0\uff0crampVisibility \u6052\u4e3a 1\u3002\nfloat facing2D = dot(normalize(rampLight.xy), normalize(float2(_361, _362))); \/\/ _2775\nfloat facingClamped = min(max(facing2D, -1.0), -0.25); \/\/ _2776,_2777\nfloat facing01 = (facingClamped + 1.0) * 1.33333; \/\/ _2778,_2779\n\nfloat oneMinusWidth = 1.0 - solidShadowMask; \/\/ _2780\nfloat visibilityLoss = (oneMinusWidth - facing01 * facing01 * oneMinusWidth) * cb4[2688].z \/* 0 *\/; \/\/ _2781.._2786\nfloat rampVisibility = 1.0 - visibilityLoss; \/\/ _2787<\/code><\/pre>\n\n\n\n\u9636\u6bb5 4\uff1aregion \u9009\u62e9 shadow \u53c2\u6570\uff0c\u5e76\u8ba1\u7b97 shadow \u5750\u6807\u3002<\/strong>
regionID<\/code> \u4f1a\u57280\/1\/2\/3\/4_ShadowWidth<\/code> \u4e2d\u9009\u62e9\u4e00\u9879\uff1b\u8fd9\u91ccShadowWidthUseID\u4e3atrue\uff0c\u7528\u8fd9\u4e2a\u9009\u9879\uff0c\u5426\u5219\u7528\u5168\u5c40\u9879\u3002<\/p>\n\n\n\n\u7136\u540e\u7528 NoL\u3001region shadow width \u548c view bias \u5f52\u4e00\u5316\u51fa
shadowWindow01<\/code>\u3002\u5b83\u4e0d\u662f\u91c7\u6837 ramp \u8d34\u56fe\u7684 U\uff0c\u800c\u662f 0-1 \u7684\u660e\u6697\u7a97\u53e3\u5750\u6807\uff1b\u540e\u7eed\u5148\u505a smoothstep\uff0c\u518d\u4e58solidShadowMask<\/code>\uff0c\u5f97\u5230\u5171\u4eab\u4e2d\u95f4\u91cfmaterialShadowWindow<\/code>\u3002<\/p>\n\n\n\nmaterialShadowWindow<\/code> \u4e5f\u662f RT3.rgb secondary \u5f3a\u5ea6\u6df7\u5408\u91cc\u4f7f\u7528\u7684\u540c\u7c7b\u91cf\u3002\u533a\u522b\u662f\uff1aRT1.b \u628a\u5b83\u7f16\u7801\u52300.5 - 1<\/code> \u5199\u5165 GBuffer\uff1bRT3.rgb \u4f7f\u7528\u672a\u7f16\u7801\u76840 - 1<\/code> \u503c\u4f5c\u4e3a ramp intensity \u7684\u6df7\u5408\u56e0\u5b50\u3002<\/p>\n\n\n\n\/\/ \u547d\u540d\u7edf\u4e00\uff1a\n\/\/ shadowWindow01\uff1aNoL\/width\/view bias \u5f52\u4e00\u5316\u540e\u7684 0-1 \u9634\u5f71\u7a97\u53e3\u5750\u6807\u3002\n\/\/ shadowWindowSmooth\uff1a\u5bf9 shadowWindow01 \u505a smoothstep \u540e\u7684\u5e73\u6ed1\u7a97\u53e3\u3002\n\/\/ materialShadowWindow\uff1ashadowWindowSmooth * solidShadowMask\uff0c\u662f RT1.b \u4e0e RT3.rgb \u5171\u7528\u7684\u6838\u5fc3\u9634\u5f71\u7a97\u53e3\u6982\u5ff5\u3002\n\/\/\n\/\/ \u7ed3\u8bba\uff1a\u8fd9\u548c RT3.rgb \u91cc\u7684 _1222 \u662f\u540c\u4e00\u4e2a\u516c\u5f0f\u6a21\u677f\uff0c\u4e0d\u662f\u4e24\u4e2a\u4e0d\u540c feature\u3002\n\/\/ \u5dee\u522b\u53ea\u5728\u4e8e\u8f93\u5165\u53d8\u91cf\u6765\u81ea\u4e0d\u540c\u4ee3\u7801\u6bb5\uff0cRT1.b \u6700\u540e\u628a\u7ed3\u679c\u7f16\u7801\u5230 0.5-1\u3002\n\/\/\n\/\/ \u5171\u4eab\u7b49\u6548\u51fd\u6570\uff1a\n\/\/ materialShadowWindow = ComputeMaterialShadowWindow(\n\/\/ halfNoL, shadowWidth, viewRampOffset, shadowProcess, solidShadowMask);\n\n\/\/ ShadowWidth\uff1awidth \u8d8a\u5c0f\uff0cshadowWindow01 \u5bf9 NdotL \u8d8a\u654f\u611f\uff0c\u660e\u6697\u8fb9\u754c\u8d8a\u786c\uff1bwidth \u8d8a\u5927\uff0c\u8fc7\u6e21\u8d8a\u8f6f\u3002\n\/\/ ShadowProcess\uff1a\u56fa\u5b9a\u628a shadowWindow01 \u5f80\u6697\u90e8\u538b\uff0c\u5f53\u524d\u4e3a 0.6\u3002\n\/\/ viewRampOffset\uff1a\u53ea\u5728\u8868\u9762 normal \u504f\u79bb\u89c6\u7ebf\u65f6\u751f\u6548\uff0c\u7528\u6765\u6309\u89c6\u89d2\u79fb\u52a8 ramp \u8fb9\u754c\u3002\n\/\/ \u5f53\u524d\u7b49\u6548\uff1ashadowWindow01 = saturate((halfNoL + rampWidth - viewRampOffset - ShadowProcess) \/ (2 * rampWidth))\nfloat rampWidth =\n ((ShadowWidth * selectedRegionShadowWidth) - ShadowWidth) * ShadowWidthUseID\n + ShadowWidth; \/\/ _2845\n\nfloat3 shadowNormal = normal; \/\/ normal map \u91c7\u6837\u540e\u7ecf TBN \u91cd\u5efa\uff1b\u5f53\u524d vertex normal \u6df7\u5408\u88ab\u5173\u6389\nfloat halfNoL = dot(shadowNormal, rampLight) * 0.5; \/\/ _2847\n\nfloat viewSideWeight = 1.0 - abs(viewDir.z); \/\/ \u6b63\/\u80cc\u89c6\u63a5\u8fd10\uff0c\u4fa7\u5411\u63a5\u8fd11\nfloat lightView01 = 0.5 * (viewSideWeight * dot(rampLight, viewDir) + 1.0);\nfloat viewSideRampOffset =\n lightView01\n * (cb4[2032].x \/* 0.4, MI: SolidShadow_RampPosition *\/ - cb4[2032].y \/* -0.1 *\/)\n + cb4[2032].y \/* -0.1 *\/; \/\/ _2794.._2797\n\nfloat viewFacingMask = saturate(dot(shadowNormal, viewDir));\nfloat viewRampOffset = viewSideRampOffset * (1.0 - viewFacingMask);\n\nfloat shadowWindowRaw =\n (0.5 - viewRampOffset - cb4[2032].z \/* 0.6, MI: ShadowProcess *\/ + halfNoL + rampWidth)\n \/ (2.0 * rampWidth); \/\/ _2853\nfloat shadowWindow01 = saturate(shadowWindowRaw); \/\/ _2854\nfloat shadowWindowSmooth = shadowWindow01 * shadowWindow01 * (3.0 - 2.0 * shadowWindow01); \/\/ _2858.._2860\n\nfloat materialShadowWindow = shadowWindowSmooth * solidShadowMask; \/\/ _2860 \u7684 0-1 \u672a\u7f16\u7801\u7248\u672c\nfloat RT1_b = (0.5 + materialShadowWindow * 0.5) * rampVisibility; \/\/ _2862\nSV_Target1.z = RT1_b;<\/code><\/pre>\n<\/details>\n\n\n\n4. RT2.rgb – Ramp<\/h3>\n\n\n\n
TLDR\uff1a<\/strong>RT2.rgb \u662f Ramp\u54cd\u5e94\u3002Ramp\u662fNPR\u7279\u6709\u7684\uff0c\u628a\u5149\u7167\u5f3a\u5ea6bake\u5230\u4e00\u5f20\u7279\u6b8a\u7684\u8d34\u56fe\u4e0a\u7684\uff0c\u4ee5\u51cf\u5c11\u5b9e\u9645\u8ba1\u7b97\u5149\u7167\u7684\u8ba1\u7b97\u91cf\u3002ramp\u8d34\u56fe\u6709\u4e94\u884c\uff0c\u6bcf\u884c\u5bf9\u5e94\u4e00\u79cd\u6750\u8d28\u4ece\u6700\u6697\u5230\u6700\u4eae\u7684\u53d8\u5316\uff1brampV\u6765\u81ea\u4e8eMI\u7684\u9884\u5148\u5b9a\u4e49\uff0ccloth\u4e2d\u7684rampV\u5747\u53d60.5\uff08\u7b2c\u4e09\u884c\uff09\uff1brampU\u6765\u81ea\u4e8e\u660e\u6697\u7a0b\u5ea6\uff0c\u7c7b\u4f3cRT1.b\uff0crampU\u4e5f\u4e3b\u8981\u57fa\u4e8eNoL\uff0c\u517c\u6709viewDir\u7684\u6270\u52a8\uff0c\u4ee5\u53caCloth_D.a\u901a\u9053\u7684\u6270\u52a8\u3002\u6700\u540e\u53d6\u51fa\u7684RGB\u4e0e\u4e00\u4e2abaseRGB\u6df7\u5408\u4e00\u4e0b\uff08\u6df7\u5408\u56e0\u5b50\u6839\u636eregion id\u6709\u6240\u4e0d\u540c\uff0c\u4e5f\u5b9a\u4e49\u5728MI\u4e2d\uff09\uff0c\u7136\u540esqrt\u540e\u5b58\u50a8\u3002<\/p>\n\n\n\n
\u8fd9\u4e2a\u503c\u6700\u540e\u5728lighting\u5408\u6210\u65f6\u7684\u5229\u7528\u65b9\u5f0f\uff1a0.5*ramp*diffuse\uff0c\u76f4\u63a5\u52a0\u5230mainRGB\u4e0a\uff1bshadow\u63a7\u5236\u4e00\u4e2a\uff080.3\uff0c0.4\uff0c0.5\uff09*diffuse + 0.5*ramp*diffuse \u5230 diffuse \u7684\u63d2\u503c\u3002\u5f53\u5904\u4e8e\u6697\u90e8\uff0c\u53ef\u4ee5\u60f3\u5230ramp\u4f1a\u5f88\u4f4e\uff0c\u540c\u65f6\u63d2\u503c\u4f1a\u5f88\u63a5\u8fd10\uff0c\u5373\u63a5\u8fd1\u4e0b\u754c\uff0c\u56e0\u6b64\u5149\u7167\u53d8\u6697\u3002<\/p>\n\n\n\n
\u5c55\u5f00\uff1aRT2.rgb basepass \u6765\u6e90\u94fe\u8def<\/strong><\/summary>\n
\u9636\u6bb5 1\uff1a\u5f97\u5230 flow\/parallax \u540e\u7684\u91c7\u6837 UV \u4e0e region\u3002<\/strong>uv \u662f\u524d\u9762 parallax\/flow \u8ba1\u7b97\u540e\u7684 UV\uff1bshader \u7528\u8fd9\u4e2a UV \u91c7\u6837 FTM.a\uff0c\u5e76\u7ed3\u5408\u4e4b\u524d\u4ece
Texture2D0 \/ RGID<\/code> \u89e3\u51fa\u7684 high\/low 4bit\uff0c\u5f97\u5230 region id<\/p>\n\n\n\nfloat2 flowUV = float2(_2060, _2061); \/\/ base UV + accumulated parallax\/flow offset\n\nfloat ftmB = Texture2D1.SampleLevel(s1, flowUV, lod).b; \/\/ _2063\nfloat ftmA = Texture2D1.SampleLevel(s1, flowUV, lod).a; \/\/ _2065, high\/low selector\n\nfloat regionID = low4 + step(0.5, ftmA) * (high4 - low4); \/\/ _2071<\/code><\/pre>\n\n\n\n\u9636\u6bb5 2\uff1aregion\/FTM.b \u751f\u6210\u4e00\u7ec4\u57fa\u7840\u54cd\u5e94\u8272\u3002<\/strong>\u4e8c\u8005\u5408\u5e76\u6210
_2097<\/code>\uff0c\u7528\u4e8e\u5728\u4e24\u7ec4 cbuffer \u989c\u8272\u4e4b\u95f4\u63d2\u503c\uff0c\u8f93\u51fa_2112\/_2113\/_2114<\/code>\u3002<\/p>\n\n\n\n\/\/ \u53c2\u6570\u8bed\u4e49\uff1a\n\/\/ regionWindowMask\uff1a\u6309 regionID \u505a\u4e00\u4e2a\u7a97\u53e3\uff1b\u5f53\u524d\u9608\u503c\u4e3a 5\uff0c\u53ea\u4f1a\u547d\u4e2d regionID \u7b49\u4e8e 5 \u7684\u533a\u57df\uff0c\u56e0\u6b64\u5b9e\u9645\u4e3a 0\u3002\n\/\/ ftmResponse\uff1a\u7531 FTM.b \u751f\u6210\u7684\u989d\u5916\u6750\u8d28\u54cd\u5e94\uff1b\u5f53\u524d cb4[1824].x = 0\uff0c\u4f7f FTM.b \u9879\u5b9e\u9645\u5173\u95ed\u3002\n\/\/ materialBlend\uff1a\u5728 colorB \u4e0e colorA \u4e4b\u95f4\u63d2\u503c\u30020 \u4f7f\u7528 colorB\uff0c1 \u4f7f\u7528 colorA\u3002\u5f53\u524d\u663e\u7136\u4e3a 0\n\/\/\n\/\/ \u7b49\u6548\u5f0f\uff1abaseResponseRGB = colorB = SubsurfaceColor.rgb = float3(0.36, 0.35, 0.5)\n\nfloat upper = regionID + 0.5; \/\/ _2076\nfloat lower = regionID - 0.5; \/\/ _2079\n\nfloat regionWindowMask =\n (upper >= cb4[1744].x && cb4[1728].w >= lower) ? 1.0 : 0.0; \/\/ _2077.._2082\n\nfloat ftmResponse =\n saturate(cb4[1824].y * 2.00803 * (cb4[1824].x * (ftmB - 0.5) - 0.00199997)); \/\/ _2091\n\nfloat regionOrFtm = max(regionWindowMask, ftmResponse); \/\/ _2092\nfloat materialBlend = cb4[1856].y * (1.0 - regionOrFtm) + regionOrFtm; \/\/ _2097\n\nfloat3 colorA = cb4[1584].rgb; \/\/ _2099.._2101\nfloat3 colorB = cb4[1600].rgb \/* MI: SubsurfaceColor.rgb *\/; \/\/ _2103.._2105\nfloat3 baseResponseRGB = lerp(colorB, colorA, materialBlend); \/\/ _2112.._2114<\/code><\/pre>\n\n\n\n\u9636\u6bb5 3\uff1a\u6784\u9020 ramp \u56fe\u7684\u91c7\u6837\u5750\u6807\u3002<\/strong>\u8fd9\u91cc\u7684
rampU<\/code> \u662f\u91c7\u6837 ramp \u8d34\u56fe\u7684 U\uff1brampV<\/code> \u5219\u662f 5 \u884c\u9009 1 \u884c\uff0c\u6839\u636e ramp id \u9009\u62e9 ramp \u6a2a\u5411\u5e26\u3002\u6ce8\u610f region id \u548c ramp id \u4e0d\u662f\u4e00\u4e00\u5bf9\u5e94\u7684\uff1aregion id \u7528\u6765\u5212\u5206\u533a\u57df\uff0cramp id \u5bf9\u5e94\u67d0\u533a\u57df\u7684\u6750\u8d28\u5c5e\u6027\u3002\u6bd4\u5982 cloth \u6750\u8d28\u6240\u6709 region \u7684 ramp id \u90fd\u662f 2\uff1bdown \u4e2d\u5168\u662f 1\uff1bup \u6709 0 \u6709 2\u3002<\/p>\n\n\n\n\/\/ \u53c2\u6570\u8bed\u4e49\uff1a\n\/\/ _2310\uff1a\u7531 dot(rampNormal, rampLight)\u3001ShadowProcess\u3001viewRampOffset \u7b97\u51fa\u7684 rampU \u4e0a\u7aef\u5019\u9009\u503c\uff0c\u8303\u56f4 0-1\u3002\n\/\/ cb4[2640].w = SolidShadow_RampPosition = 0.4\uff1arampU \u7684\u7aef\u70b9\u4e0a\u9650\uff1b\n\/\/ _2314 = min(_2310, 0.4)\uff1a\u4e5f\u5c31\u662f rampU \u7684\u4f4e\u7aef\u7aef\u70b9\u3002\n\/\/ \u8fd9\u91cc\u4e0e RT1.b \u7684 solid shadow mask \u4f7f\u7528\u540c\u4e00\u7ec4 alpha remap \u53c2\u6570\u3002\n\/\/ alphaInputMax\/SolidShadowProcess\/SolidShadowWidth \u5171\u540c\u51b3\u5b9a Texture2D5.a \u7684\u54ea\u4e00\u6bb5\u4f1a\u88ab\u6620\u5c04\u5230 0-1\u3002\n\/\/ alphaRemap \u8d8a\u5927\uff0crampU \u8d8a\u9760\u8fd1 _2310\uff1balphaRemap \u8d8a\u5c0f\uff0crampU \u8d8a\u9760\u8fd1 _2314\u3002\n\/\/\n\/\/ \u5f53\u524d\u6570\u503c\u4ee3\u5165\uff1aalphaRemap = saturate((Cloth_D.a - 0.035) \/ 0.28)\n\/\/ Cloth_D.a 0.035 -> 0, 0.175 -> 0.5, 0.315 -> 1\n\/\/ \u7b49\u6548\u5f0f\uff1arampU = lerp(_2314, _2310, alphaRemap)\n\n\/\/ \u5148\u8ba1\u7b97 _2310\uff0c\u4e5f\u5c31\u662f rampU \u7684\u4e0a\u7aef\u5019\u9009\u503c\u3002\n\/\/ \u6ce8\u610f\u8fd9\u91cc\u6ca1\u6709\u9664\u4ee5 ShadowWidth\uff1b\u5b83\u662f\u7ed9 ramp \u56fe\u91c7\u6837\u7528\u7684 U\uff0c\u4e0d\u662f RT1.b \u7684 rt1RampCoord\u3002\nfloat3 N = float3(_2119, _2120, _2121);\nfloat3 L = float3(_2287, _2288, _2289);\nfloat3 viewDir = float3(_361, _362, _363);\n\nfloat halfNoL = dot(N, L) * 0.5; \/\/ _2290,_2291\n\nfloat viewSideWeight = _1169; \/\/ \u7ea6\u7b49\u4e8e 1 - abs(viewDir.z)\nfloat lightView01 = (viewSideWeight * dot(L, viewDir) + 1.0) * 0.5; \/\/ _2292.._2295\n\n\/\/ viewRampOffset \u7406\u8bba\u4e0a\u662f -0.1 \u5230 0.4\uff0c\u540c\u6837\u5f15\u5165\u4e86view\u5f71\u54cd\nfloat SolidShadow_RampPosition = 0.4;\nfloat rampPositionMin = cb4[2032].y \/* -0.1 *\/;\nfloat viewSideRampOffset = lightView01 * (SolidShadow_RampPosition - rampPositionMin) + rampPositionMin; \/\/ _2299.._2301\n\nfloat viewFacingMask = saturate(dot(N, viewDir)); \/\/ _2302,_2303\nfloat viewRampOffset = viewSideRampOffset * (1.0 - viewFacingMask); \/\/ _2304,_2305\n\nfloat ShadowProcess = 0.6\uff1b\nfloat rampUHigh = saturate(halfNoL + 1.0 - ShadowProcess - viewRampOffset); \n\n\/\/ \u8fd9\u4e2a\u8303\u56f4\u7406\u8bba\u4e0a\u6b63\u597d\u662f 0 - 1\uff0c\u56e0\u4e3a viewRampOffset \u5c5e\u4e8e [-0.1, 0.4]\nfloat rampUHigh = saturate(halfNoL + 0.4 - viewRampOffset); \n\n\/\/ \u8fd9\u4e00\u6bb5\u8ba1\u7b97\u903b\u8f91\u4e0eRT1.b\u5b8c\u5168\u76f8\u540c\n\/\/ Cloth_D.a \u8f93\u5165\u8303\u56f4 0.035 -> 0.315 \u88ab\u7ebf\u6027\u6620\u5c04\u5230 solidShadowMask 0 -> 1\u3002\n\/\/ \u7b49\u6548\u5f0f\uff1asolidShadowMask = saturate((Cloth_D.a - 0.035) \/ 0.28)\n\nfloat alphaOrHeight = Texture2D5.SampleBias(s5, flowUV, mipBias).a; \/\/ _2318\nfloat alphaInputMax = cb4[1904].y \/* 0.5\uff0c\u672a\u5728 MI \u4e2d\u627e\u5230\u552f\u4e00\u53c2\u6570\u540d *\/;\nfloat alphaClamp0 = min(max(alphaOrHeight, 0.0), alphaInputMax); \/\/ _2321,_2322\nfloat alphaNorm0 = alphaClamp0 \/ alphaInputMax; \/\/ _2323\n\nfloat SolidShadowProcess = cb4[1984].z \/* 0.7, MI: SolidShadowProcess *\/;\nfloat alphaNorm1 = min(alphaNorm0, SolidShadowProcess) \/ SolidShadowProcess; \/\/ _2326,_2328\n\nfloat SolidShadowWidth = cb4[2000].w \/* 0.8, MI: SolidShadowWidth *\/;\nfloat solidShadowLow = cb4[2000].y \/* 0.1 *\/;\nfloat solidShadowHigh = cb4[2000].x \/* 0.9 *\/;\nfloat alphaWindow = min(max(alphaNorm1, solidShadowLow), solidShadowHigh); \/\/ _2332,_2333\n\nfloat solidShadowMask = (alphaWindow - solidShadowLow) \/ SolidShadowWidth; \/\/ _2336\nfloat SolidShadow_RampPosition = cb4[2640].w \/* 0.4, MI: SolidShadow_RampPosition *\/;\n\nfloat rampULow = min(max(rampUHigh, 0.0), SolidShadow_RampPosition); \/\/ _2314\n\n\/\/ \u5f53NoL\u90a3\u4e00\u9879\uff08rampUHigh\uff09\u5c0f\u4e8e0.4\uff0crampU\u5c31\u7b49\u4e8e\u8fd9\u4e00\u9879\uff1b\u5f53rampUHigh\u5927\u4e8e0.4\uff0c\u57280.4\u548c rampUHigh \u4e2d\u95f4\u63d2\u503c\n\/\/ \u4ece\u5b9e\u9645\u89c2\u5bdf\u4e0a\u6765\u770b\uff0cCloth_D.a\u5927\u90e8\u5206\u7684\u503c\u5927\u4e8e0.315\uff0c\u5373solidShadowMask\u5927\u90e8\u5206\u7b49\u4e8e1\uff0c\u5373rampU = rampUHigh\n\/\/ \u4ec5\u5728\u67d0\u4e9b\u7279\u6b8a\u7684\u5730\u65b9\uff0c\u5b58\u5728\u5c0f\u4e8e0.315\uff0c\u6b64\u65f6\u8868\u73b0\u51fa\u7684\u6548\u679c\u662f\u6b64\u533a\u57df\u5185\u7684\u5c40\u90e8\u53d8\u6697\uff0c\u7eaf\u9ed1\u7684\u90e8\u5206\u5b9a\u6b7b\u4e0a\u9650\u53d60.4\n\/\/ \u731c\u6d4b\u662f\u4e3a\u4e86\u4fdd\u8bc1\u67d0\u4e00\u5757\u533a\u57df\u7684\u5149\u7167\u4e0a\u9650\uff0c\u6bd4\u5982cloth\u7684\u6750\u8d28\u90e8\u5206\u4e0d\u5b9c\u8fc7\u4eae\nfloat rampU = rampULow + solidShadowMask * (rampUHigh - rampULow); \/\/ _2337.._2339\n\n\/\/ V: regionID -> one-hot -> ramp row\nfloat r0 = max(regionID == 0.0 ? 1.0 : 0.0, ftmResponse); \/\/ _2358\nfloat r1 = min(regionID == 1.0 ? 1.0 : 0.0, 1.0 - ftmResponse); \/\/ _2359\nfloat r2 = min(regionID == 2.0 ? 1.0 : 0.0, 1.0 - ftmResponse); \/\/ _2360\nfloat r3 = min(regionID == 3.0 ? 1.0 : 0.0, 1.0 - ftmResponse); \/\/ _2361\nfloat r4 = min(regionID == 4.0 ? 1.0 : 0.0, 1.0 - ftmResponse); \/\/ _2362\n\n\/\/ \u53c2\u6570\u8bed\u4e49\uff1a\n\/\/ RampID \u51b3\u5b9a ramp \u56fe\u7684 V \u884c\u3002\u6bcf\u589e\u52a0 1\uff0crampV \u589e\u52a0 0.2\uff0c\u76f8\u5f53\u4e8e\u5207\u5230 ramp \u56fe\u7684\u53e6\u4e00\u6761\u6a2a\u5411\u5e26\u3002\n\/\/ \u5f53\u524d\u6570\u503c\u4ee3\u5165\uff1a0\/1\/2\/3\/4_RampID \u5168\u90e8\u4e3a 2\n\/\/ \u7b49\u6548\u5f0f\uff1arampV = 2 * 0.2 + 0.1 = 0.5\n\/\/ \u6240\u4ee5\u5f53\u524d cloth \u7684 region 0-4 \u5728\u8fd9\u4e00\u6b65\u4e0d\u5207\u6362 ramp \u884c\uff0c\u90fd\u91c7\u6837 V=0.5 \u8fd9\u4e00\u884c\u3002\nfloat RampID0 = cb4[2656].x \/* MI: 0_RampID = 2 *\/;\nfloat RampID1 = cb4[2656].y \/* MI: 1_RampID = 2 *\/;\nfloat RampID2 = cb4[2656].z \/* MI: 2_RampID = 2 *\/;\nfloat RampID3 = cb4[2656].w \/* MI: 3_RampID = 2 *\/;\nfloat RampID4 = cb4[2672].x \/* MI: 4_RampID = 2 *\/;\n\nfloat rampV =\n (RampID0 * 0.2 + 0.1) * r0 +\n (RampID1 * 0.2 + 0.1) * r1 +\n (RampID2 * 0.2 + 0.1) * r2 +\n (RampID3 * 0.2 + 0.1) * r3 +\n (RampID4 * 0.2 + 0.1) * r4; \/\/ _2367.._2375<\/code><\/pre>\n\n\n\n\u9636\u6bb5 4\uff1a\u91c7\u6837 Ramp \u56fe\uff0c\u5e76\u6df7\u5408\u56de\u57fa\u7840\u54cd\u5e94\u8272\u3002<\/strong>
Texture2D10.rgb<\/code> \u662f\u8fd9\u6761\u94fe\u8def\u7684\u4e3b\u8981\u5f69\u8272\u91c7\u6837\u3002shader \u53c8\u7528 region \u6743\u91cd\u548c\u5168\u5c40 gate \u7b97\u51fa_2394<\/code>\uff0c\u628abaseResponseRGB<\/code> \u5f80 rampRGB \u62c9\u8fd1\u3002<\/p>\n\n\n\n\/\/ \u53c2\u6570\u8bed\u4e49\uff1a\n\/\/ baseResponseRGB = colorB = SubsurfaceColor.rgb = float3(0.36, 0.35, 0.5)\n\/\/ RampInt \u63a7\u5236 baseResponseRGB \u548c rampRGB \u7684\u63d2\u503c\u3002\n\/\/ RampInt\u8d8a\u9ad8\uff0c\u6700\u7ec8\u5c31\u8d8a\u63a5\u8fd1 rampRGB\uff0c\u53cd\u4e4b\u5c31\u662f\u8d8a base\n\/\/ globalGate \u662f\u5168\u5c40\u5f00\u5173\uff1b\u5f53\u524d cbuffer3[16].w = 3\uff0c\u6240\u4ee5 globalGate = 1\u3002\n\/\/\n\/\/ \u5f53\u524d\u6570\u503c\u4ee3\u5165\uff1aregion0=0.7, region1=0.5, region2=0.5, region3=0.1, region4=0.5\n\/\/ \u7b49\u6548\u5f0f\uff1amixedRGB = lerp(baseResponseRGB, rampRGB, selectedRampInt)\n\/\/ \u76f4\u89c2\u6548\u679c\uff1aregion3 \u6700\u5f31\uff0c\u53ea\u5411 rampRGB \u9760\u8fd1 10%\uff1bregion0 \u6700\u5f3a\uff0c\u9760\u8fd1 70%\u3002\nfloat3 rampRGB = Texture2D10.SampleBias(s10, float2(rampU, rampV), mipBias).rgb; \/\/ _2377.._2379\n\nfloat RampInt0 = cb4[1648].x \/* MI: 0_RampInt = 0.7 *\/;\nfloat RampInt1 = cb4[1648].y \/* MI: 1_RampInt = 0.5 *\/;\nfloat RampInt2 = cb4[1648].z \/* MI: 2_RampInt = 0.5 *\/;\nfloat RampInt3 = cb4[1648].w \/* MI: 3_RampInt = 0.1 *\/;\nfloat RampInt4 = cb4[2688].y \/* MI: 4_RampInt = 0.5 *\/;\n\nfloat rampStrength =\n RampInt0 * r0 + RampInt1 * r1 + RampInt2 * r2 + RampInt3 * r3 + RampInt4 * r4; \/\/ _2385.._2389\n\nfloat globalGate = cbuffer3[16].w \/* 3.0 *\/ < 0.05 ? 0.0 : 1.0; \/\/ _2393, \u5f53\u524d globalGate = 1\nfloat blendToRamp = globalGate * rampStrength; \/\/ _2394\n\nfloat3 mixedRGB = baseResponseRGB + blendToRamp * (rampRGB - baseResponseRGB); \/\/ _2401.._2403<\/code><\/pre>\n\n\n\n\u9636\u6bb5 5\uff1a\u53bb\u9971\u548c\/\u7070\u5ea6\u63d2\u503c\u540e\u5199\u5165 RT2.rgb\u3002<\/strong>
cb4[2496].y<\/code> \u63a7\u5236\u5f69\u8272\u503c\u5411\u4eae\u5ea6\u7070\u5ea6\u9760\u62e2\u7684\u7a0b\u5ea6\u3002\u8fd9\u91cc\u4e3a0\uff0c\u6ca1\u6709\u8fd9\u4e2afeature\uff0c\u56e0\u6b64\u76f4\u63a5\u8f93\u51famixedRGB\u7684sqrt(saturate())<\/code> \u7f16\u7801\u3002<\/p>\n\n\n\nfloat luma = dot(mixedRGB, float3(0.3, 0.59, 0.11)); \/\/ _2404\nfloat desatAmount = cb4[2496].y \/* 0 *\/; \/\/ _2406\n\nfloat3 finalLinearRT2 = mixedRGB + desatAmount * (luma.xxx - mixedRGB); \/\/ _2413.._2415\n\nSV_Target2.x = sqrt(saturate(finalLinearRT2.r)); \/\/ _5067\nSV_Target2.y = sqrt(saturate(finalLinearRT2.g)); \/\/ _5068\nSV_Target2.z = sqrt(saturate(finalLinearRT2.b)); \/\/ _5069<\/code><\/pre>\n<\/details>\n\n\n\n5. RT3.rgb – Diffuse<\/h3>\n\n\n\n
TLDR\uff1a<\/strong>RT3.rgb \u662f diffuse\u3002<\/p>\n\n\n\n
\u5c55\u5f00\uff1aRT3.rgb basepass \u6765\u6e90\u94fe\u8def<\/strong><\/summary>\n
\u9636\u6bb5 1\uff1aCloth_D.rgb \u91c7\u6837 base diffuse\u3002<\/strong>
Texture2D5.SampleBias(...).rgb<\/code> \u662f\u4e3b\u57fa\u7840\u8272\u3002\u540e\u9762\u7684Damage_Skin_ColorTint<\/code>\u3001Damage_Dirty_ColorTint<\/code>\u3001region window\u3001FTM.b mask \u548c\u51e0\u7ec4 RGB cbuffer \u4f1a\u5c1d\u8bd5\u628a\u5b83\u67d3\u8272\/\u538b\u6697\/\u6062\u590d\u5230\u767d\u8272\u3002\u5f53\u524d cloth \u53c2\u6570\u4e0b\u8fd9\u4e9b\u6548\u679c\u57fa\u672c\u5173\u95ed\uff0c\u6240\u4ee5\u8fd9\u4e00\u6bb5\u7b49\u6548\u4e3abaseDiffuse0 = Cloth_D.rgb<\/code>\u3002<\/p>\n\n\n\n\/\/ \u53c2\u6570\u8bed\u4e49\uff1a\n\/\/ Cloth_D.rgb\uff1a\u4e3b albedo\/base color\u3002\n\/\/ damageSkinMask\uff1a\u7531 Cloth_FTM.b \u548c cb4[1824] \u751f\u6210\u7684 skin\/damage \u67d3\u8272\u5f3a\u5ea6\u3002\u5f53\u524d cb4[1824].x = 0\uff0c\u6240\u4ee5\u6052\u4e3a 0\u3002\n\/\/ regionWindowMask\uff1a\u53ea\u547d\u4e2d regionID \u7ea6\u7b49\u4e8e 5 \u7684\u7a97\u53e3\uff1b\u5f53\u524d cloth regionID \u4e3a 0-4\uff0c\u6240\u4ee5\u6052\u4e3a 0\u3002\n\/\/ materialMaskRGB\uff1a\u989d\u5916 RGB \u4e58\u6cd5 mask\u3002\u5f53\u524d\u4f1a\u88ab whiteBlend \u62c9\u56de 1\uff0c\u56e0\u6b64\u4e0d\u6539\u53d8\u989c\u8272\u3002\n\/\/ cb4[272].rgb\uff1a\u5168\u5c40\/base RGB tint\uff0c\u5f53\u524d\u4e3a float3(1,1,1)\u3002\n\/\/\n\/\/ \u5f53\u524d\u7b49\u6548\uff1abaseDiffuse0 = Cloth_D.rgb\n\nfloat2 baseMaterialUV = float2(_555, _556);\nfloat4 clothD = Texture2D5.SampleBias(s5, baseMaterialUV, mipBias); \/\/ _718, line 631\nfloat3 clothDRGB = clothD.rgb; \/\/ _719.._721\n\n\/\/ 1. skin\/damage tint mask\uff0c\u5f53\u524d\u5173\u95ed\nfloat ftmB = Texture2D1.SampleLevel(s1, baseMaterialUV, lod).b; \/\/ _590, Cloth_FTM.b\nfloat damageMaskScale = cb4[1824].x \/* 0.0 *\/;\nfloat damageMaskIntensity = cb4[1824].y \/* 1.0 *\/;\nfloat damageSkinMask = saturate(damageMaskIntensity * 2.00803 * (damageMaskScale * (ftmB - 0.5) - 0.00199997)); \/\/ _600 = 0\n\nfloat3 skinTint = cb4[256].rgb \/* MI: Damage_Skin_ColorTint.rgb = float3(0.1, 0.08, 0.06) *\/; \/\/ _724.._726\nfloat3 tintedD = lerp(clothDRGB, skinTint, damageSkinMask); \/\/ _733.._735, \u5f53\u524d tintedD = clothDRGB\n\n\/\/ 2. region\/material window\u3002\u5f53\u524d\u53ea\u4f1a\u547d\u4e2d regionID=5\uff1bcloth \u7684 regionID \u662f 0-4\uff0c\u6240\u4ee5 regionWindowMask = 0\u3002\nfloat regionID = _632;\nfloat regionWindowMask = ((regionID + 0.5) >= cb4[1744].x \/* 5.0 *\/ && cb4[1728].w \/* 5.0 *\/ >= (regionID - 0.5)) ? 1.0 : 0.0; \/\/ _661\nfloat damageOrRegionMask = max(regionWindowMask, damageSkinMask); \/\/ _667, \u5f53\u524d 0\n\n\/\/ 3. RGB \u901a\u9053\u7f29\u653e\u9879\uff1a\u5728 1 \u548c cb4[144].rgb \u4e4b\u95f4\u63d2\u503c\u3002\u5f53\u524d cb4[144].rgb = 1\uff0c\u6240\u4ee5 channelScaleRGB = 1\u3002\nfloat channelScaleBlend = lerp(cb4[1856].y \/* 0.0 *\/, 1.0, damageOrRegionMask); \/\/ _671\nfloat3 channelScaleRGB = 1.0 + channelScaleBlend * (cb4[144].rgb \/* float3(1,1,1) *\/ - 1.0); \/\/ _682.._684\n\n\/\/ 4. \u989c\u8272 mask\uff1a\u5148\u5728\u4e24\u7ec4 RGB \u4e4b\u95f4\u63d2\u503c\uff0c\u518d\u6309 FTM.b\/\u53c2\u6570\u62c9\u56de\u767d\u8272\u3002\u5f53\u524d whiteBlend = 1\uff0c\u6240\u4ee5 colorMaskRGB = 1\u3002\nfloat3 maskColorA = cb4[224].rgb \/* MI: Damage_Dirty_ColorTint.rgb = float3(0.1, 0.08, 0.089) *\/;\nfloat3 maskColorB = cb4[208].rgb \/* float3(0.848958, 0.587674, 0.543864)\uff0c\u672a\u627e\u5230\u552f\u4e00 MI \u540d *\/;\nfloat3 dirtyMaskRGB = lerp(maskColorA, maskColorB, damageOrRegionMask); \/\/ _699.._701\n\nfloat ftmBRemap = damageMaskScale * (ftmB - 0.5) + 0.5; \/\/ _595, \u5f53\u524d 0.5\nfloat whiteBlend = saturate(1.0 - cb4[1856].z \/* 1.5 *\/ * (1.0 - saturate(ftmBRemap * 2.0))); \/\/ _708, \u5f53\u524d 1\nfloat3 colorMaskRGB = lerp(dirtyMaskRGB, float3(1,1,1), whiteBlend); \/\/ _715.._717, \u5f53\u524d 1\n\nfloat3 materialMaskRGB = colorMaskRGB * channelScaleRGB; \/\/ _740,_743,_746, \u5f53\u524d 1\nfloat3 baseTintRGB = cb4[272].rgb \/* float3(1,1,1) *\/;\nfloat3 baseDiffuse0 = materialMaskRGB * baseTintRGB * tintedD; \/\/ _742,_745,_748, \u5f53\u524d = Cloth_D.rgb<\/code><\/pre>\n\n\n\n\u9636\u6bb5 2\uff1a\u6839\u636e Cloth_D.a\/region mask \u5bf9 base diffuse \u505a\u5c40\u90e8\u4fee\u6b63\u3002<\/strong>
clothD.a<\/code> \u751f\u6210\u4e00\u7ec4\u4ee5 0.5 \u4e3a\u4e2d\u5fc3\u7684 remap \u5750\u6807\u3002\u5f53\u524d skin\/damage mask_600=0<\/code>\uff0c\u4f46 region0 \u7684\u7a97\u53e3_651<\/code> \u4ecd\u53ef\u80fd\u751f\u6548\uff0c\u6240\u4ee5\u8fd9\u4e00\u6b65\u53ea\u5bf9 regionID=0 \u7684\u533a\u57df\u542f\u7528\u3002<\/p>\n\n\n\n\u4e3a\u4ec0\u4e48\u662fregionID = 0\uff1a\u56e0\u4e3a\u4eceRim light feature\u53ef\u4ee5\u770b\u51fa\uff0cregionID = 0\uff0c\u5176\u4e0d\u627f\u8f7drim light feature\uff0c\u800c\u662f\u91c7\u6837\u4e86\u4e00\u4e2a\u5f69\u8272\u8d34\u56fe\uff0c\u4f53\u73b0\u989c\u8272\u7ec6\u8282\u3002\u56e0\u6b64\u8fd9\u91cc\u7279\u6b8a\u5904\u7406\u3002\u9636\u6bb53\u4e5f\u662f\u5bf9\u8fd9\u91cc\u7279\u6b8a\u5904\u7406\u3002<\/p>\n\n\n\n
\/\/ \u53c2\u6570\u8bed\u4e49\uff1a\n\/\/ _600\uff1askin\/damage \u67d3\u8272 mask\uff0c\u5f53\u524d cb4[1824].x = 0\uff0c\u6240\u4ee5 _600 = 0\u3002\n\/\/ _651\uff1aregion0 \u5c40\u90e8\u4fee\u6b63\u7a97\u53e3\uff0c\u5f53\u524d\u7531 cb4[1840].x = 0\u3001cb4[1824].w = 0 \u5f62\u6210 regionID == 0 \u7684 mask\u3002\n\/\/ remappedDiffuse\uff1a\u56f4\u7ed5 0.5 \u505a overlay-like \u7684\u660e\u6697\u91cd\u6620\u5c04\uff0cremapCenter \u6765\u81ea Cloth_D.a \u7684 alpha remap \u94fe\u3002\n\/\/\n\/\/ \u5f53\u524d\u6570\u503c\u4ee3\u5165\uff1a\n\/\/ _600 = 0\n\/\/ _651 = region0Mask = (regionID == 0 ? 1 : 0)\n\/\/ strength = min(_651, 1 - _600) = region0Mask\n\/\/\n\/\/ \u7b49\u6548\u5f0f\uff1abaseDiffuse1 = (regionID == 0) ? remappedDiffuse : baseDiffuse0\n\/\/ \u6240\u4ee5\u8fd9\u4e00\u6bb5\u4e0d\u662f\u5168\u5c40\u5173\u95ed\uff0c\u800c\u662f\u53ea\u5bf9 region 0 \u505a\u5c40\u90e8 diffuse \u66f2\u7ebf\u4fee\u6b63\u3002\n\n\/\/ _831\/_832\/_833 \u662f\u4ee5 0.5 \u4e3a\u4e2d\u5fc3\u7684 remap \u5750\u6807\uff0c\u6765\u6e90\u4e8e cb4[1904]\/[1984]\/[2000] \u4e0e Cloth_D.a\nfloat3 remapCenter = float3(_831, _832, _833);\n\nfloat3 highShape = baseDiffuse0 * 2.0 * remapCenter; \/\/ _835,_837,_839\nfloat3 lowShape = 1.0 - (1.0 - baseDiffuse0) * 2.0 * (1.0 - remapCenter); \/\/ _852,_853,_854\n\nfloat3 remappedDiffuse = float3(\n remapCenter.r < 0.5 ? highShape.r : lowShape.r,\n remapCenter.g < 0.5 ? highShape.g : lowShape.g,\n remapCenter.b < 0.5 ? highShape.b : lowShape.b); \/\/ _870,_872,_874 as delta basis\n\nfloat strength = min(_651, 1.0 - _600); \/\/ _868\nfloat3 baseDiffuse1 = baseDiffuse0 + (remappedDiffuse - baseDiffuse0) * strength; \/\/ _878,_879,_880<\/code><\/pre>\n\n\n\n\u9636\u6bb5 3\uff1a\u91c7\u6837 roughness metallic Shadow \u9879\uff0c\u751f\u6210\u989c\u8272\u4fee\u6b63\u3002<\/strong>
Texture2D6 \/ Normal_Flowmap_40001_2<\/code> \u5728 rampUV \u4e0a\u91c7\u6837\u3002<\/p>\n\n\n\n\/\/ \u53c2\u6570\u8bed\u4e49\uff1a\n\/\/ Texture2D6\uff1aNormal_Flowmap_40001_2<\/span>\uff1arim light feature \u67e5\u627e\u56fe\u3002\n\/\/ rampUV\uff1a\u6cd5\u7ebf\u6b63\u5bf9\u955c\u5934\u7684\u7a0b\u5ea6<\/strong>\n\/\/ projectedX = normal.x * view.z - normal.z * view.x;\n\/\/ projectedY = normal.z * view.y - normal.y * view.z;\n\/\/ rampUV = float2(projectedX, projectedY) * 0.5 + 0.5;\n\/\/\n\/\/ metallic = _1231\uff1a\u7531 region metallic base + Cloth_FTM.g \u5f97\u5230\u7684 0-1 \u6750\u8d28\u54cd\u5e94\u6743\u91cd\u3002\n\/\/ materialShadowWindow = _1222\uff1a\u4e0e RT1.b \u7684 materialShadowWindow \u662f\u540c\u4e00\u4e2a\u516c\u5f0f\u6a21\u677f\u3002\n\/\/ roughness = _1237\uff1a\u7531 region roughness base + Cloth_N.a \u5f97\u5230\uff1b\u540e\u9762 highMask \u5c31\u4ece\u5b83\u7684 0.9-1.0 \u9ad8\u6bb5\u5207\u51fa\u6765\u3002\n\/\/\n\/\/ \u5f53\u524d\u6570\u503c\u4ee3\u5165\uff1a\n\/\/ metallicResponseRaw = regionMetallicBase + Cloth_FTM.g\u3002\n\/\/ roughness = regionRoughnessBase + Cloth_N.a\u3002\n\/\/ solidShadowMask = saturate((Cloth_D.a - 0.035) \/ 0.28)\u3002\n\/\/ cb4[2176] = float4(6, 5, 1, 4)\uff0c\u7528\u4e8e rampLOD \u548c rampIntensity\u3002\n\/\/ cb4[464].rgb = cb4[480].rgb = cb4[496].rgb = float3(1,1,1)\uff0c\u989c\u8272 tint \u9879\u5f53\u524d\u7b49\u6548\u4e3a 1\u3002\n\/\/ cb4[2192].x = 1\uff0cramp\/secondary \u5168\u5c40\u5f3a\u5ea6\u6ca1\u6709\u5173\u95ed\u3002\n\/\/\n\/\/ \u7b49\u6548\u5f0f\uff1a\n\/\/ metallic = saturate((regionMetallicBase + Cloth_FTM.g) * 1.11111)\n\/\/ \u8fd9\u4e00\u6bb5\u4e0eRT1.b\u4e2d\u90a3\u90e8\u5206\u540c\u8d28\n\/\/ materialShadowWindow = ComputeMaterialShadowWindow(...) = shadowWindowSmooth * solidShadowMask\n\/\/ roughness = regionRoughnessBase + Cloth_N.a\n\/\/ highMask = saturate((roughness - 0.9) \/ 0.1)\n\/\/ rampMixed = (regionID == 0) ? ramp.rgb : ramp.a.xxx\n\/\/ rampIntensity = lerp(lerp(1, 5, metallic), lerp(1, 4, metallic), materialShadowWindow)\n\n\/\/ ---- \u4e0a\u6e38\u8f93\u5165\u95ed\u5305 ----\nfloat regionMetallicBase = _978; \/\/ region metallic base\uff1b\u5f53\u524d region0=-0.2, region1=-0.1, region2=-0.1, region3=0, region4=0\nfloat clothFTM_g = _374; \/\/ Texture2D1 \/ Cloth_FTM.g\nfloat metallicResponseRaw = (regionMetallicBase + clothFTM_g - cb4[1968].z \/* 0 *\/ * clothFTM_g) * cb4[1968].w \/* 1 *\/; \/\/ _985\nfloat metallic = saturate(metallicResponseRaw * 1.11111); \/\/ _1231\n\nfloat clothD_a = _722; \/\/ Texture2D5 \/ Cloth_D.a\nfloat solidShadowMask = saturate((clothD_a - 0.035) \/ 0.28); \/\/ _998\uff0c\u6765\u81ea Stage 2 \u7684 Cloth_D.a remap\nfloat rampNormalLight = dot(float3(_759, _760, _761), float3(_1164, _1165, _1166)); \/\/ _1209\uff0cramp normal \u4e0e ramp light\/dir\nfloat regionRampWidth = _1208; \/\/ region \u9009\u62e9\u540e\u7684 ramp \u5bbd\u5ea6\/\u5f3a\u5ea6\uff0c\u6765\u81ea cb4[2048]\/cb4[2064]\nfloat regionRampOffset = _1182; \/\/ region \u9009\u62e9\u540e\u7684 ramp \u504f\u79fb\u9879\nfloat viewLoss = _1181; \/\/ view\/ramp \u4fa7\u5411\u9879\u5bfc\u81f4\u7684\u6263\u51cf\nfloat shadowWindow01 = saturate(((0.5 - regionRampOffset - viewLoss) + rampNormalLight * 0.5 + regionRampWidth) \/ (regionRampWidth * 2.0)); \/\/ _1217\nfloat shadowWindowSmooth = shadowWindow01 * shadowWindow01 * (3.0 - 2.0 * shadowWindow01);\nfloat materialShadowWindow = shadowWindowSmooth * solidShadowMask; \/\/ _1222\n\nfloat regionRoughnessBase = _979; \/\/ region roughness base\uff1b\u5f53\u524d region0=0.2, region1=0, region2=0, region3=0, region4=0\nfloat clothN_a = _562; \/\/ Texture2D4 \/ Cloth_N.a\nfloat roughness = (regionRoughnessBase + clothN_a - cb4[2064].z \/* 0 *\/ * clothN_a) * cb4[2064].w \/* 1 *\/; \/\/ _1237\nfloat highMask = saturate((roughness - 0.9) \/ 0.1); \/\/ _1826.._1829\uff0cStage 4 \u4f7f\u7528\n\nfloat directionalLobeResponse = _1379; \/\/ \u524d\u9762\u7531 ramp\/view\/normal\u3001roughness \u4e0e materialShadowWindow \u7b97\u51fa\u7684\u65b9\u5411\u6027 lobe \u54cd\u5e94\n\n\/\/ ---- ramp lookup UV\uff1a\u4e0d\u662f baseUV\uff0c\u800c\u662f\u65b9\u5411 lookup UV ----\nfloat3 rampLookupDir = normalize(float3(_1386, _1390, _1394)); \/\/ _1397,_1398,_1399\nfloat3 rampLookupBasis = float3(_1412, _1415, _1418);\nfloat2 rampUV = 0.5 + 0.5 * float2(\n rampLookupBasis.x * rampLookupDir.z - rampLookupBasis.z * rampLookupDir.x,\n rampLookupBasis.z * rampLookupDir.y - rampLookupBasis.y * rampLookupDir.z); \/\/ _1427,_1428\n\nfloat rampLOD = cb4[2176].x \/* 6.0 *\/ - 2.0 + log2(max(_1240, 0.001)) * 1.2 + mipBias; \/\/ _1436\nfloat4 ramp = Texture2D6.SampleLevel(s6, rampUV, rampLOD); \/\/ _1437\n\nfloat region1To4Mask = _1442; \/\/ min(_666, 1 - _600)\uff0c\u5f53\u524d\u7b49\u6548\u4e3a regionID 1-4 mask\nfloat3 rampMixed = lerp(ramp.rgb, ramp.a.xxx, region1To4Mask); \/\/ _1449.._1451\n\nfloat rampIntensityLow = lerp(NonMetallicMatCapInt \/* 1 *\/, MetalMatCapBack \/* 5 *\/, metallic);\nfloat rampIntensityHigh = lerp(NonMetallicMatCapInt \/* 1 *\/, MetalMatCapInt \/* 4 *\/, metallic);\nfloat rampIntensity = lerp(rampIntensityLow, rampIntensityHigh, materialShadowWindow); \/\/ _1465\nfloat3 rampTinted = rampMixed * rampIntensity; \/\/ cb4[464].rgb \u5f53\u524d\u4e3a float3(1,1,1)\n\n\/\/ ---- material lighting \u4fee\u6b63\u9879 ----\n\/\/ metallic \u5e76\u6ca1\u6709\u53ea\u51fa\u73b0\u5728\u6700\u7ec8\u51cf\u6cd5\u4e2d\uff1a\u5b83\u8fd8\u4f1a\u8fdb\u5165 materialCurveColor\u3001rampIntensity \u548c rampSpecMultiplier\u3002\n\/\/ \u56e0\u6b64\u4e0b\u9762\u4e09\u9879\u5408\u8d77\u6765\u662f\u6750\u8d28\u5149\u7167\u4fee\u6b63\uff0c\u4e0d\u5e94\u7406\u89e3\u4e3a\u5355\u7eaf\u7684 diffuse correction \u6216 metallic correction\u3002\nfloat curveBase = metallic * 0.04 + 0.04; \/\/ _1490\nfloat3 materialCurveColor = lerp(curveBase.xxx, baseDiffuse1, metallic); \/\/ _1497.._1499\n\n\/\/ metallic=0 -> float3(1,1,1)\uff1bmetallic=1 -> rampTinted * baseDiffuse1\u3002\nfloat3 rampSpecMultiplier = lerp(float3(1.0, 1.0, 1.0), rampTinted * materialCurveColor, metallic); \/\/ _1537.._1539\n\nfloat3 directionalSpec =\n directionalLobeResponse\n * materialCurveColor\n * cb4[2192].x \/* 1 *\/\n * cb4[496].rgb \/* float3(1,1,1) *\/\n * rampSpecMultiplier; \/\/ _1543,_1547,_1551\n\nfloat roughnessClamped = min(max(roughness, 0.0), 0.9); \/\/ _1239\nfloat roughness01 = roughnessClamped * 1.11111; \/\/ _1240\nfloat invRough = 1.0 - roughness01; \/\/ _1506\nfloat viewFacing = _762; \/\/ dot(blendedNormalOrPositionDir, viewDir)\uff0c\u6b63\/\u4fa7\u89c6\u76f8\u5173\u54cd\u5e94\nfloat rampShapeMask = _1382; \/\/ \u6765\u81ea\u524d\u9762 ramp lookup\/basis \u6df7\u5408\u7684\u5f62\u72b6\u6743\u91cd\nfloat sideEnergy = min(invRough * invRough, exp2(((viewFacing - 1.0) * rampShapeMask + 1.0) * -9.28)) * invRough; \/\/ _1511.._1514\nfloat curveDark = 1.04000 - ((0.0425 - roughnessClamped * 0.0305556) + sideEnergy) * 1.04000; \/\/ _1517\nfloat curveLift = (roughnessClamped * 0.0244444 - 0.04000) + ((0.0425 - roughnessClamped * 0.0305556) + sideEnergy) * 1.04000; \/\/ _1518\nfloat liftMask = saturate(materialCurveColor.g * 50.0); \/\/ _1520\nfloat3 detailCurve = curveDark * materialCurveColor + curveLift * liftMask; \/\/ _1525.._1527\nfloat3 rampSpec =\n cb4[480].rgb \/* float3(1,1,1) *\/\n * cb4[2192].x \/* 1 *\/\n * rampTinted\n * detailCurve; \/\/ _1554,_1557,_1560\n\n\/\/ \u91d1\u5c5e\u5ea6\u589e\u5927\u65f6\u4ece\u4e3b\u4f53 diffuse \u4e2d\u6263\u9664\u76f8\u5e94\u80fd\u91cf\uff1ametallic=0 \u4e0d\u6263\uff0cmetallic=1 \u6263\u9664\u6574\u4efd baseDiffuse1\u3002\nfloat3 metallicDiffuseLoss =\n baseDiffuse1\n * metallic\n * cb4[2192].x \/* 1 *\/; \/\/ _1561.._1563<\/code><\/pre>\n\n\n\n
- a\u901a\u9053\uff1a\u914d\u5408region id\uff0cchoose high or low<\/li>\n<\/ul>\n\n\n\n
- b\u901a\u9053\uff1a\u6cd5\u7ebf\u7ec6\u8282\u7a0b\u5ea6<\/strong>\uff0c\u5373\u6cd5\u7ebf\u662f\u66f4\u63a5\u8fd1\u57fa\u7840\u6cd5\u7ebf\uff0c\u8fd8\u662f\u66f4\u63a5\u8fd1 Cloth_N.rg \u7684\u7ec6\u8282\u6cd5\u7ebf\u3002\u9009\u62e9\u903b\u8f91\u516c\u5f0f\uff1a\uff0c\u8bf4\u660e\u9ad8\u503c\u4f7f\u6cd5\u7ebf\u66f4\u9760\u8fd1\u57fa\u7840\/\u9876\u70b9\u6cd5\u7ebf\uff0c\u89c6\u89c9\u66f4\u5e73\uff1b\u4f4e\u503c\u4fdd\u7559\u66f4\u591a
- g\u901a\u9053\uff1ametallic\u8d34\u56fe\uff0c\u6700\u7ec8\u7684metallic\u662fregion id\u51b3\u5b9a\u7684metallic + g\u901a\u9053\u91c7\u6837\u51b3\u5b9a<\/li>\n<\/ul>\n\n\n\n
- r\u901a\u9053\uff1a
![\"\"](\"https:\/\/ferina.top\/wp-content\/uploads\/2026\/07\/image.png\")
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