提交测试

sample_data/meshes/README.md

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+# Sample Meshes
+
+This directory contains sample meshes that might be useful across the project, in both
+tests and examples. These are simple test cases for stress-testing and prototyping 
+and are not meant to be high-quality 3D examples.
+
+## Flat-shaded Ico Sphere
+
+**Filenames**: [ico_flat.obj](ico_flat.obj), [ico_flat.usda](ico_flat.usda).
+
+**Source**: this mesh is an ico sphere that was authored in Blender with flat shading.
+
+**Formats**: was exported as both `obj` and `usda` (ascii) from Blender.
+
+**Sanity checks**: displays correctly as `obj` and `usda` imported into Blender3.1 and as `usda` imported into [NVIDIA Omniverse](https://www.nvidia.com/en-us/omniverse/). 
+
+<img width="30%" style="padding:0 20px 0 0; float: left" src="renders/ico_flat.jpg">
+
+**Attributes** of the single mesh in this file:
+* Vertices: 42
+* Faces: 80 triangles
+* Materials: one simple material applied to all faces
+* Normals: for flat shading (same normal for all vertices of a face)
+* UVs
+
+<div style="clear:both"></div>
+
+## Smooth-shaded Ico Sphere
+
+**Filenames**: [ico_smooth.obj](ico_smooth.obj), [ico_smooth.usda](ico_smooth.usda). 
+
+**Source**: this mesh is an ico sphere that was authored in Blender with smooth shading.
+
+**Formats**: was exported as both `obj` and `usda` (ascii) from Blender.
+
+**Sanity checks**: displays correctly as `obj` and `usda` imported into Blender3.1 and as `usda` imported into [NVIDIA Omniverse](https://www.nvidia.com/en-us/omniverse/). 
+
+<img width="30%" style="padding:0 20px 0 0; float: left" src="renders/ico_smooth.jpg">
+
+**Attributes** of the single mesh in this file:
+* Vertices: 42
+* Faces: 80 triangles
+* Materials: one simple material applied to all faces
+* Normals: for smooth shading
+* UVs
+
+<div style="clear:both"></div>
+
+## Textured Fox
+
+**Filenames:** [fox.obj](fox.obj), [fox.usdc](fox.usdc).
+
+**Source:** this file is a simiplified version of TurboSquid ID 1073771, which NVIDIA has licensed with distribution rights. *By using this TurboSquid model, you agree that you will only use the content for research purposes only. You may not redistribute this model.*
+
+**Formats**: the original format is `obj`, which was converted to `usdc` (binary) using Blender exporter.
+
+**Sanity checks**: displays correctly as `obj` and `usdc` imported into Blender3.1 and as `usdc` imported into [NVIDIA Omniverse](https://www.nvidia.com/en-us/omniverse/). 
+
+<img width="30%" style="padding:0 20px 0 0; float: left" src="renders/fox.jpg">
+
+**Attributes** of the single mesh in this file:
+* Vertices: 5002
+* Faces: 10000 triangles
+* Materials: one simple material with texture applied to all faces
+* Normals: for smooth shading
+* UVs.
+
+<div style="clear:both"></div>
+
+## Multi-Material Pizza
+
+**Filenames:** [pizza.obj](pizza.obj), [pizza.usda](pizza.usda).
+
+**Source:** this file was authored in Blender with pizza texture taken from a [royalty-free photo by Rene Strgar](https://www.pexels.com/photo/italian-style-pizza-13814644/).
+
+**Formats**: was exported as both `obj` and `usda` (ascii) from Blender.
+
+**Sanity checks**: displays correctly as `obj` (not usd) imported into Blender3.1 and as `usda` imported into [NVIDIA Omniverse](https://www.nvidia.com/en-us/omniverse/). 
+
+<img width="30%" style="padding:0 20px 0 0; float: left" src="renders/pizza.jpg">
+
+**Attributes** of the single mesh in this file:
+* Vertices: 482
+* Faces: 960 triangles
+* Materials: one simple material and one texture material applied to groups of faces
+* Normals: for smooth shading
+* UVs
+
+<div style="clear:both"></div>
+
+## Armchair Quad Meshes
+
+**Filenames:** [armchair.obj](armchair.obj), [armchair.usdc](armchair.usdc).
+
+**License:** this model is released under [Creative Commons — Attribution 4.0 International — CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) License. 
+
+**Formats**: was exported as both `obj` and `usdc` (binary) from Blender; usd format contains a transform. 
+
+**Sanity checks**: displays correctly as `obj` imported into Blender3.1 and as `usdc` imported into [NVIDIA Omniverse](https://www.nvidia.com/en-us/omniverse/). 
+
+<img width="30%" style="padding:0 20px 0 0; float: left" src="renders/armchair.jpg">
+
+**Attributes** of the three mesh objects:
+1. Mesh 0: Back_LP
+   * Vertices: 4146, Faces: 4144 quads, normals, UVs
+   * Materials: one textured material (yellow)
+2. Mesh 1: Sides_LP
+    * Vertices: 912, Faces: 912 quads, normals, UVs
+    * Materials: one textured material (white)
+3. Mesh 3: Seat_LP
+    * Vertices: 4146, Faces: 4144 quads, normals, UVs
+    * Materials: same material as for Mesh 0
+
+<div style="clear:both"></div>
+
+## Quad Multi-Object Multi-Material Amsterdam
+
+**Filenames:** [amsterdam.obj](amsterdam.obj), [amsterdam.usda](amsterdam.usda).
+
+**Source:** this stylized city was authored in Blender, it contains simple materials and no textures.
+
+**Formats**: was exported as both `obj` and `usda` (ascii) from Blender.
+
+**Sanity checks**: displays correctly as `obj` imported into Blender3.1 and as `usda` imported into [NVIDIA Omniverse](https://www.nvidia.com/en-us/omniverse/). 
+
+<img width="30%" style="padding:0 20px 0 0; float: left" src="renders/amsterdam.jpg">
+
+**Attributes** of the 18 meshes in this file:
+* Vertices: 4, 98, 98, 98, 386, 386, 98, 8, 98, 98, 98, 4, 4, 4, 386, 98, 4, 4
+* Faces (all quads): 1, 96, 96, 96, 384, 384, 96, 6, 96, 96, 96, 1, 1, 1, 384, 96, 1, 1
+* Materials: 14 simple materials, with all faces of each mesh bound to a single material
+* Normals
+* UVs
+
+<div style="clear:both"></div>

sample_data/meshes/amsterdam.mtl

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+# Blender MTL File: 'None'
+# Material Count: 14
+
+newmtl BoatMaterial_0
+Ns 754.192593
+Ka 0.260246 0.260246 0.260246
+Kd 0.361306 0.584078 0.799103
+Ks 0.950820 0.950820 0.950820
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 3
+
+newmtl BoatMaterial_1
+Ns 359.999993
+Ka 0.594262 0.594262 0.594262
+Kd 0.023153 0.046665 0.028426
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 3
+
+newmtl BuildingMaterial_Brown
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.177888 0.072272 0.042311
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl BuildingMaterial_Indigo
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.109462 0.057805 0.066626
+Ks 0.118852 0.118852 0.118852
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl BuildingMaterial_Maroon
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.141263 0.036889 0.048172
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl BuildingMaterial_Ochre
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.799103 0.412542 0.109462
+Ks 0.034836 0.034836 0.034836
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl BuildingMaterial_Peach
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.799103 0.304987 0.168269
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl BuildingMaterial_Purple
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.799102 0.327778 0.672443
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl BuildingMaterial_Red
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.617207 0.088655 0.074214
+Ks 0.000000 0.000000 0.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 1
+
+newmtl BuildingMaterial_Violet
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.238397 0.291770 0.496933
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl BuildingMaterial_Yellow
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.913099 0.533276 0.018500
+Ks 0.629098 0.629098 0.629098
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl SidewalkMaterial
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.358837 0.218077 0.129653
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl WaterMaterial
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.005605 0.006049 0.024158
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+
+newmtl WindowMaterial
+Ns 359.999993
+Ka 1.000000 1.000000 1.000000
+Kd 0.799103 0.603827 0.104617
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2

sample_data/meshes/armchair.mtl

@@ -0,0 +1,24 @@
+# Blender MTL File: 'None'
+# Material Count: 2
+
+newmtl M_Armchair_Cushions
+Ns 0.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+map_Kd textures/armchair_cushions.jpg
+
+newmtl M_Armchair_Legs
+Ns 0.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+map_Kd textures/armchair_legs.jpg

sample_data/meshes/fox.mtl

@@ -0,0 +1,13 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl material_0
+Ns 0.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 1.000000 1.000000 1.000000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+map_Kd textures/fox.jpg

sample_data/meshes/gltf_avocado/Avocado.gltf

@@ -0,0 +1,155 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 406,
+      "type": "VEC2"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5126,
+      "count": 406,
+      "type": "VEC3"
+    },
+    {
+      "bufferView": 2,
+      "componentType": 5126,
+      "count": 406,
+      "type": "VEC4"
+    },
+    {
+      "bufferView": 3,
+      "componentType": 5126,
+      "count": 406,
+      "type": "VEC3",
+      "max": [
+        0.02128091,
+        0.06284806,
+        0.0138090011
+      ],
+      "min": [
+        -0.02128091,
+        -4.773855E-05,
+        -0.013809
+      ]
+    },
+    {
+      "bufferView": 4,
+      "componentType": 5123,
+      "count": 2046,
+      "type": "SCALAR"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Tools for Unity",
+    "version": "2.0"
+  },
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 3248
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 3248,
+      "byteLength": 4872
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 8120,
+      "byteLength": 6496
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 14616,
+      "byteLength": 4872
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 19488,
+      "byteLength": 4092
+    }
+  ],
+  "buffers": [
+    {
+      "uri": "Avocado.bin",
+      "byteLength": 23580
+    }
+  ],
+  "images": [
+    {
+      "uri": "Avocado_baseColor.png"
+    },
+    {
+      "uri": "Avocado_roughnessMetallic.png"
+    },
+    {
+      "uri": "Avocado_normal.png"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "TEXCOORD_0": 0,
+            "NORMAL": 1,
+            "TANGENT": 2,
+            "POSITION": 3
+          },
+          "indices": 4,
+          "material": 0
+        }
+      ],
+      "name": "Avocado"
+    }
+  ],
+  "materials": [
+    {
+      "pbrMetallicRoughness": {
+        "baseColorTexture": {
+          "index": 0
+        },
+        "metallicRoughnessTexture": {
+          "index": 1
+        }
+      },
+      "normalTexture": {
+        "index": 2
+      },
+      "name": "2256_Avocado_d"
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0,
+      "rotation": [
+        0.0,
+        1.0,
+        0.0,
+        0.0
+      ],
+      "name": "Avocado"
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ],
+  "textures": [
+    {
+      "source": 0
+    },
+    {
+      "source": 1
+    },
+    {
+      "source": 2
+    }
+  ]
+}

sample_data/meshes/gltf_avocado/README.md

@@ -0,0 +1,6 @@
+# Avocado
+
+## License Information
+
+[![CC0](http://i.creativecommons.org/p/zero/1.0/88x31.png)](http://creativecommons.org/publicdomain/zero/1.0/)  
+To the extent possible under law, Microsoft has waived all copyright and related or neighboring rights to this asset.

sample_data/meshes/ico_flat.mtl

@@ -0,0 +1,12 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl Material.002
+Ns 534.726545
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.011375 0.015621
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2

sample_data/meshes/ico_flat.obj

@@ -0,0 +1,271 @@
+# Blender v3.1.2 OBJ File: ''
+# www.blender.org
+mtllib ico_flat.mtl
+o Icosphere.003
+v 0.000000 -1.000000 -0.000000
+v 0.425323 -0.850654 0.309011
+v -0.162456 -0.850654 0.499995
+v 0.723607 -0.447220 0.525725
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+v -0.525730 -0.850652 -0.000000
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+v 0.688189 0.525736 -0.499997
+v 0.525730 0.850652 0.000000
+v 0.000000 1.000000 0.000000
+vt 0.181819 0.000000
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sample_data/meshes/ico_smooth.mtl

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sample_data/meshes/ico_smooth.obj

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sample_data/meshes/pizza.mtl

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sample_data/meshes/renders/.gitignore

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