Updated builds.

build/three.js

@@ -7765,6 +7765,37 @@
 
 		},
 
+		setFromBufferAttribute: function ( attribute ) {
+
+			var minX = + Infinity;
+			var minY = + Infinity;
+			var minZ = + Infinity;
+
+			var maxX = - Infinity;
+			var maxY = - Infinity;
+			var maxZ = - Infinity;
+
+			for ( var i = 0, l = attribute.count; i < l; i ++ ) {
+
+				var x = attribute.getX( i );
+				var y = attribute.getY( i );
+				var z = attribute.getZ( i );
+
+				if ( x < minX ) minX = x;
+				if ( y < minY ) minY = y;
+				if ( z < minZ ) minZ = z;
+
+				if ( x > maxX ) maxX = x;
+				if ( y > maxY ) maxY = y;
+				if ( z > maxZ ) maxZ = z;
+
+			}
+
+			this.min.set( minX, minY, minZ );
+			this.max.set( maxX, maxY, maxZ );
+
+		},
+
 		setFromPoints: function ( points ) {
 
 			this.makeEmpty();
@@ -14252,11 +14283,11 @@
 
 			}
 
-			var positions = this.attributes.position.array;
+			var position = this.attributes.position;
 
-			if ( positions !== undefined ) {
+			if ( position !== undefined ) {
 
-				this.boundingBox.setFromArray( positions );
+				this.boundingBox.setFromBufferAttribute( position );
 
 			} else {
 
@@ -14285,14 +14316,13 @@
 
 				}
 
-				var positions = this.attributes.position;
+				var position = this.attributes.position;
 
-				if ( positions ) {
+				if ( position ) {
 
-					var array = positions.array;
 					var center = this.boundingSphere.center;
 
-					box.setFromArray( array );
+					box.setFromBufferAttribute( position );
 					box.getCenter( center );
 
 					// hoping to find a boundingSphere with a radius smaller than the
@@ -14300,9 +14330,11 @@
 
 					var maxRadiusSq = 0;
 
-					for ( var i = 0, il = array.length; i < il; i += 3 ) {
+					for ( var i = 0, il = position.count; i < il; i ++ ) {
 
-						vector.fromArray( array, i );
+						vector.x = position.getX( i );
+						vector.y = position.getY( i );
+						vector.z = position.getZ( i );
 						maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );
 
 					}
@@ -15779,11 +15811,15 @@
 				type = gl.UNSIGNED_INT;
 				size = 4;
 
-			} else {
+			} else if ( index.array instanceof Uint16Array ) {
 
 				type = gl.UNSIGNED_SHORT;
 				size = 2;
 
+			} else {
+				
+				type = gl.UNSIGNED_BYTE;
+				size = 1;
 			}
 
 		}

build/three.modules.js

@@ -7759,6 +7759,37 @@ Box3.prototype = {
 
 	},
 
+	setFromBufferAttribute: function ( attribute ) {
+
+		var minX = + Infinity;
+		var minY = + Infinity;
+		var minZ = + Infinity;
+
+		var maxX = - Infinity;
+		var maxY = - Infinity;
+		var maxZ = - Infinity;
+
+		for ( var i = 0, l = attribute.count; i < l; i ++ ) {
+
+			var x = attribute.getX( i );
+			var y = attribute.getY( i );
+			var z = attribute.getZ( i );
+
+			if ( x < minX ) minX = x;
+			if ( y < minY ) minY = y;
+			if ( z < minZ ) minZ = z;
+
+			if ( x > maxX ) maxX = x;
+			if ( y > maxY ) maxY = y;
+			if ( z > maxZ ) maxZ = z;
+
+		}
+
+		this.min.set( minX, minY, minZ );
+		this.max.set( maxX, maxY, maxZ );
+
+	},
+
 	setFromPoints: function ( points ) {
 
 		this.makeEmpty();
@@ -14246,11 +14277,11 @@ Object.assign( BufferGeometry.prototype, EventDispatcher.prototype, {
 
 		}
 
-		var positions = this.attributes.position.array;
+		var position = this.attributes.position;
 
-		if ( positions !== undefined ) {
+		if ( position !== undefined ) {
 
-			this.boundingBox.setFromArray( positions );
+			this.boundingBox.setFromBufferAttribute( position );
 
 		} else {
 
@@ -14279,14 +14310,13 @@ Object.assign( BufferGeometry.prototype, EventDispatcher.prototype, {
 
 			}
 
-			var positions = this.attributes.position;
+			var position = this.attributes.position;
 
-			if ( positions ) {
+			if ( position ) {
 
-				var array = positions.array;
 				var center = this.boundingSphere.center;
 
-				box.setFromArray( array );
+				box.setFromBufferAttribute( position );
 				box.getCenter( center );
 
 				// hoping to find a boundingSphere with a radius smaller than the
@@ -14294,9 +14324,11 @@ Object.assign( BufferGeometry.prototype, EventDispatcher.prototype, {
 
 				var maxRadiusSq = 0;
 
-				for ( var i = 0, il = array.length; i < il; i += 3 ) {
+				for ( var i = 0, il = position.count; i < il; i ++ ) {
 
-					vector.fromArray( array, i );
+					vector.x = position.getX( i );
+					vector.y = position.getY( i );
+					vector.z = position.getZ( i );
 					maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( vector ) );
 
 				}
@@ -15773,11 +15805,15 @@ function WebGLIndexedBufferRenderer( gl, extensions, infoRender ) {
 			type = gl.UNSIGNED_INT;
 			size = 4;
 
-		} else {
+		} else if ( index.array instanceof Uint16Array ) {
 
 			type = gl.UNSIGNED_SHORT;
 			size = 2;
 
+		} else {
+			
+			type = gl.UNSIGNED_BYTE;
+			size = 1;
 		}
 
 	}