FBX2Loader: Removed Array.prototype.findIndex dependency.

examples/js/loaders/FBXLoader2.js

@@ -106,6 +106,18 @@
 
 			}
 
+			function findIndex( array, func ) {
+
+				for ( var i = 0, l = array.length; i < l; i ++ ) {
+
+					if ( func( array[ i ] ) ) return i;
+
+				}
+
+				return -1;
+
+			}
+
 			var FBXTree = new TextParser().parse( FBXText );
 
 			var connections = parseConnections( FBXTree );
@@ -627,7 +639,8 @@
 
 									deformer.array.forEach( function ( subDeformer, subDeformerIndex ) {
 
-										var index = subDeformer.indices.findIndex( function ( indx ) {
+
+										var index = findIndex( subDeformer.indices, function ( indx ) {
 
 											return indx === vertexIndex;
 
@@ -1145,7 +1158,7 @@
 							if ( deformer.map.has( conns.parents[ i ].ID ) ) {
 
 								model = new THREE.Bone();
-								var index = deformer.array.findIndex( function ( subDeformer ) {
+								var index = findIndex( deformer.array, function ( subDeformer ) {
 
 									return subDeformer.FBX_ID === conns.parents[ i ].ID;
 
@@ -1308,7 +1321,7 @@
 					var conns = connections.get( model.FBX_ID );
 					for ( var parentIndex = 0; parentIndex < conns.parents.length; parentIndex ++ ) {
 
-						var pIndex = modelArray.findIndex( function ( mod ) {
+						var pIndex = findIndex( modelArray, function ( mod ) {
 
 							return mod.FBX_ID === conns.parents[ parentIndex ].ID;
 
@@ -2485,7 +2498,7 @@
 
 					for ( var containerIndicesIndex = containerIndices.length - 1; containerIndicesIndex >= 0; -- containerIndicesIndex ) {
 
-						var boneID = sceneGraph.skeleton.bones.findIndex( function ( bone ) {
+						var boneID = findIndex( sceneGraph.skeleton.bones, function ( bone ) {
 
 							return bone.FBX_ID === containerIndices[ containerIndicesIndex ].ID;
 
@@ -2945,7 +2958,7 @@
 						var bone = bones[ bonesIndex ];
 
 						var name = bone.name.replace( /.*:/, '' );
-						var parentIndex = bones.findIndex( function ( parentBone ) {
+						var parentIndex = findIndex( bones, function ( parentBone ) {
 
 							return bone.parent === parentBone;