Add the Instantiation model group

Output/Positive/Instancing/Instancing_00.gltf

@@ -112,7 +112,7 @@
   ],
   "images": [
     {
-      "uri": "Textures/BaseColor_Plane.png"
+      "uri": "Textures/BaseColor_1.png"
     }
   ],
   "materials": [
@@ -160,9 +160,11 @@
   ],
   "samplers": [
     {
+      "wrapS": 33071,
       "wrapT": 33071
     },
     {
+      "wrapS": 33648,
       "wrapT": 33648
     }
   ],

Output/Positive/Instancing/Instancing_01.gltf

@@ -112,7 +112,10 @@
   ],
   "images": [
     {
-      "uri": "Textures/BaseColor_Plane.png"
+      "uri": "Textures/BaseColor_1.png"
+    },
+    {
+      "uri": "Textures/BaseColor_2.png"
     }
   ],
   "materials": [
@@ -125,14 +128,8 @@
     },
     {
       "pbrMetallicRoughness": {
-        "baseColorFactor": [
-          0.5,
-          0.5,
-          1.0,
-          1.0
-        ],
         "baseColorTexture": {
-          "index": 0
+          "index": 1
         }
       }
     }
@@ -164,6 +161,12 @@
       "mesh": 0
     }
   ],
+  "samplers": [
+    {
+      "wrapS": 33071,
+      "wrapT": 33071
+    }
+  ],
   "scene": 0,
   "scenes": [
     {
@@ -174,7 +177,12 @@
   ],
   "textures": [
     {
+      "sampler": 0,
       "source": 0
+    },
+    {
+      "sampler": 0,
+      "source": 1
     }
   ]
 }

Output/Positive/Instancing/Instancing_02.gltf

@@ -122,6 +122,19 @@
           "index": 0
         }
       }
+    },
+    {
+      "pbrMetallicRoughness": {
+        "baseColorFactor": [
+          0.5,
+          0.5,
+          1.0,
+          1.0
+        ],
+        "baseColorTexture": {
+          "index": 0
+        }
+      }
     }
   ],
   "meshes": [
@@ -141,7 +154,7 @@
             "TEXCOORD_0": 4
           },
           "indices": 5,
-          "material": 0
+          "material": 1
         }
       ]
     }

Output/Positive/Instancing/Instancing_03.gltf

@@ -6,12 +6,12 @@
       "count": 4,
       "type": "VEC3",
       "max": [
-        0.5,
+        -0.100000024,
         0.5,
         0.0
       ],
       "min": [
-        -0.5,
+        -1.1,
         -0.5,
         0.0
       ],
@@ -21,8 +21,8 @@
       "bufferView": 1,
       "componentType": 5126,
       "count": 4,
-      "type": "VEC3",
-      "name": "Colors Accessor"
+      "type": "VEC2",
+      "name": "UV Accessor 0"
     },
     {
       "bufferView": 2,
@@ -36,10 +36,27 @@
       "componentType": 5126,
       "count": 4,
       "type": "VEC3",
-      "name": "Colors Accessor"
+      "max": [
+        1.1,
+        0.5,
+        0.0
+      ],
+      "min": [
+        0.100000024,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
     },
     {
       "bufferView": 4,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC2",
+      "name": "UV Accessor 0"
+    },
+    {
+      "bufferView": 5,
       "componentType": 5125,
       "count": 6,
       "type": "SCALAR",
@@ -53,7 +70,7 @@
   "buffers": [
     {
       "uri": "Instancing_03.bin",
-      "byteLength": 192
+      "byteLength": 208
     }
   ],
   "bufferViews": [
@@ -65,77 +82,86 @@
     {
       "buffer": 0,
       "byteOffset": 48,
-      "byteLength": 48,
-      "name": "Colors"
+      "byteLength": 32,
+      "name": "Texture Coords 0"
     },
     {
       "buffer": 0,
-      "byteOffset": 96,
+      "byteOffset": 80,
       "byteLength": 24,
       "name": "Indices"
     },
     {
       "buffer": 0,
-      "byteOffset": 120,
+      "byteOffset": 104,
       "byteLength": 48,
-      "name": "Colors"
+      "name": "Positions"
     },
     {
       "buffer": 0,
-      "byteOffset": 168,
+      "byteOffset": 152,
+      "byteLength": 32,
+      "name": "Texture Coords 0"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 184,
       "byteLength": 24,
       "name": "Indices"
     }
   ],
+  "images": [
+    {
+      "uri": "Textures/BaseColor_Plane.png"
+    }
+  ],
+  "materials": [
+    {
+      "pbrMetallicRoughness": {
+        "baseColorTexture": {
+          "index": 0
+        }
+      }
+    }
+  ],
   "meshes": [
     {
       "primitives": [
         {
           "attributes": {
             "POSITION": 0,
-            "COLOR_0": 1
+            "TEXCOORD_0": 1
           },
-          "indices": 2
-        }
-      ]
-    },
-    {
-      "primitives": [
+          "indices": 2,
+          "material": 0
+        },
         {
           "attributes": {
-            "POSITION": 0,
-            "COLOR_0": 3
+            "POSITION": 3,
+            "TEXCOORD_0": 4
           },
-          "indices": 4
+          "indices": 5,
+          "material": 0
         }
       ]
     }
   ],
   "nodes": [
     {
-      "mesh": 0,
-      "translation": [
-        -0.6,
-        0.0,
-        0.0
-      ]
-    },
-    {
-      "mesh": 1,
-      "translation": [
-        0.6,
-        0.0,
-        0.0
-      ]
+      "mesh": 0
     }
   ],
   "scene": 0,
   "scenes": [
     {
       "nodes": [
-        0,
-        1
+        0
       ]
     }
+  ],
+  "textures": [
+    {
+      "source": 0
+    }
   ]
 }