add test scene for facevarying vertex attribute.

2026-01-18 01:11:17 +01:00 · 2024-04-15 01:30:20 +09:00
parent f9d9824754
commit f302c8e03f
1 changed files with 102 additions and 0 deletions
--- a/models/uv-tex-facevarying.usda
+++ b/models/uv-tex-facevarying.usda
@@ -0,0 +1,102 @@
+#usda 1.0
+(
+    defaultPrim = "root"
+    doc = "Blender v4.1.0"
+    metersPerUnit = 1
+    upAxis = "Z"
+)
+
+def Xform "root" (
+    customData = {
+        dictionary Blender = {
+            bool generated = 1
+        }
+    }
+)
+{
+    def Xform "Camera"
+    {
+        matrix4d xformOp:transform = ( (0.6859206557273865, 0.7276763319969177, 0, 0), (-0.32401347160339355, 0.305420845746994, 0.8953956365585327, 0), (0.6515582203865051, -0.6141703724861145, 0.44527140259742737, 0), (7.358891487121582, -6.925790786743164, 4.958309173583984, 1) )
+        uniform token[] xformOpOrder = ["xformOp:transform"]
+
+        def Camera "Camera"
+        {
+            float2 clippingRange = (0.1, 100)
+            float focalLength = 0.5
+            float horizontalAperture = 0.36
+            float horizontalApertureOffset = 0
+            token projection = "perspective"
+            float verticalAperture = 0.2025
+            float verticalApertureOffset = 0
+        }
+    }
+
+    def Xform "Grid"
+    {
+        matrix4d xformOp:transform = ( (1, 0, 0, 0), (0, 1, 0, 0), (0, 0, 1, 0), (0, 0, 0, 1) )
+        uniform token[] xformOpOrder = ["xformOp:transform"]
+
+        def Mesh "Grid" (
+            prepend apiSchemas = ["MaterialBindingAPI"]
+        )
+        {
+            uniform bool doubleSided = 1
+            float3[] extent = [(-1, -1, 0), (1, 1, 0)]
+            int[] faceVertexCounts = [4, 4]
+            int[] faceVertexIndices = [0, 1, 3, 2, 2, 3, 5, 4]
+            rel material:binding = </root/_materials/Material_001>
+            normal3f[] normals = [(0, 0, 1), (0, 0, 1), (0, 0, 1), (0, 0, 1), (0, 0, 1), (0, 0, 1), (0, 0, 1), (0, 0, 1)] (
+                interpolation = "faceVarying"
+            )
+            point3f[] points = [(-1, -1, 0), (1, -1, 0), (-1, 0, 0), (1, 0, 0), (-1, 1, 0), (1, 1, 0)]
+            bool[] primvars:sharp_face = [1, 1] (
+                interpolation = "uniform"
+            )
+            texCoord2f[] primvars:UVMap = [(0, 0), (1, 0), (1, 0.5), (0, 0.5), (0, 0.5), (1, 0.5), (1, 1), (0, 1)] (
+                interpolation = "faceVarying"
+            )
+            uniform token subdivisionScheme = "none"
+        }
+    }
+
+    def Scope "_materials"
+    {
+        def Material "Material_001"
+        {
+            token outputs:surface.connect = </root/_materials/Material_001/Principled_BSDF.outputs:surface>
+
+            def Shader "Principled_BSDF"
+            {
+                uniform token info:id = "UsdPreviewSurface"
+                float inputs:clearcoat = 0
+                float inputs:clearcoatRoughness = 0.03
+                color3f inputs:diffuseColor.connect = </root/_materials/Material_001/Image_Texture.outputs:rgb>
+                float inputs:ior = 1.5
+                float inputs:metallic = 0
+                float inputs:opacity = 1
+                float inputs:roughness = 0.5
+                float inputs:specular = 0.5
+                token outputs:surface
+            }
+
+            def Shader "Image_Texture"
+            {
+                uniform token info:id = "UsdUVTexture"
+                asset inputs:file = @./textures/texture-cat.jpg@
+                token inputs:sourceColorSpace = "sRGB"
+                float2 inputs:st.connect = </root/_materials/Material_001/uvmap.outputs:result>
+                token inputs:wrapS = "repeat"
+                token inputs:wrapT = "repeat"
+                float3 outputs:rgb
+            }
+
+            def Shader "uvmap"
+            {
+                uniform token info:id = "UsdPrimvarReader_float2"
+                token inputs:varname = "UVMap"
+                float2 outputs:result
+            }
+        }
+    }
+}
+