{
+ "extensionsUsed" : [
+ "KHR_materials_specular",
+ "KHR_materials_ior"
+ ],
+
"accessors" : [
{
"bufferView" : 0,
],
"materials" : [
{
+ "extensions" : {
+ "KHR_materials_specular" : {
+ "specularColorFactor" : [
+ 0,
+ 0,
+ 1
+ ],
+ "specularFactor" : 0.5,
+ "specularTexture": {
+ "index": 0
+ },
+ "specularColorTexture": {
+ "index": 0
+ }
+ },
+ "KHR_materials_ior" : {
+ "ior" : 1.0
+ }
+ },
"name" : "AnimatedCube",
"pbrMetallicRoughness" : {
"baseColorTexture" : {