GLTFLoader: Rename EXT_texture_transform to KHR_texture_transform.

Author: Don McCurdy

examples/js/loaders/GLTFLoader.js

@@ -146,9 +146,9 @@ THREE.GLTFLoader = ( function () {
 
 				}
 
-				if ( json.extensionsUsed.indexOf( EXTENSIONS.EXT_TEXTURE_TRANSFORM ) >= 0 ) {
+				if ( json.extensionsUsed.indexOf( EXTENSIONS.KHR_TEXTURE_TRANSFORM ) >= 0 ) {
 
-					extensions[ EXTENSIONS.EXT_TEXTURE_TRANSFORM ] = new GLTFTextureTransformExtension( json );
+					extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] = new GLTFTextureTransformExtension( json );
 
 				}
 
@@ -230,7 +230,7 @@ THREE.GLTFLoader = ( function () {
 		KHR_LIGHTS: 'KHR_lights',
 		KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',
 		KHR_MATERIALS_UNLIT: 'KHR_materials_unlit',
-		EXT_TEXTURE_TRANSFORM: 'EXT_texture_transform'
+		KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform'
 	};
 
 	/**
@@ -486,7 +486,7 @@ THREE.GLTFLoader = ( function () {
 	 */
 	function GLTFTextureTransformExtension ( json ) {
 
-		this.name = EXTENSIONS.EXT_TEXTURE_TRANSFORM;
+		this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;
 
 	}
 
@@ -1886,9 +1886,9 @@ THREE.GLTFLoader = ( function () {
 
 		return this.getDependency( 'texture', mapDef.index ).then( function ( texture ) {
 
-			if ( parser.extensions[ EXTENSIONS.EXT_TEXTURE_TRANSFORM ] ) {
+			if ( parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] ) {
 
-				texture = parser.extensions[ EXTENSIONS.EXT_TEXTURE_TRANSFORM ].extendTexture( texture, mapDef );
+				texture = parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ].extendTexture( texture, mapDef );
 
 			}