From e3af646a3c497ee47b59617f20021d248228f474 Mon Sep 17 00:00:00 2001
From: hena-3 <agarwal.neha3@gmail.com>
Date: Tue, 23 Jun 2015 13:16:22 +0530
Subject: [PATCH] Added clone functionality

---
 src/objects/Bone.js         | 11 +++++++++++
 src/objects/Group.js        | 10 ++++++++++
 src/objects/LensFlare.js    | 19 +++++++++++++++++++
 src/objects/LineSegments.js | 10 ++++++++++
 src/objects/Skeleton.js     |  7 +++++++
 5 files changed, 57 insertions(+)

diff --git a/src/objects/Bone.js b/src/objects/Bone.js
index daa4c7a515..88e2951ca8 100644
--- a/src/objects/Bone.js
+++ b/src/objects/Bone.js
@@ -16,3 +16,14 @@ THREE.Bone = function ( skin ) {
 
 THREE.Bone.prototype = Object.create( THREE.Object3D.prototype );
 THREE.Bone.prototype.constructor = THREE.Bone;
+
+THREE.Bone.prototype.clone = function ( object ) {
+
+	if ( object === undefined ) object = new THREE.Bone( this.skin );
+
+	THREE.Object3D.prototype.clone.call( this, object );
+	object.skin = this.skin; 
+
+	return object;
+
+};
\ No newline at end of file
diff --git a/src/objects/Group.js b/src/objects/Group.js
index 8a930fe4a5..a7c8838f6a 100644
--- a/src/objects/Group.js
+++ b/src/objects/Group.js
@@ -12,3 +12,13 @@ THREE.Group = function () {
 
 THREE.Group.prototype = Object.create( THREE.Object3D.prototype );
 THREE.Group.prototype.constructor = THREE.Group;
+
+THREE.Group.prototype.clone = function ( object ) {
+
+	if ( object === undefined ) object = new THREE.Group();
+
+	THREE.Object3D.prototype.clone.call( this, object );
+
+	return object;
+
+};
\ No newline at end of file
diff --git a/src/objects/LensFlare.js b/src/objects/LensFlare.js
index 0f83750cdd..76905dea46 100644
--- a/src/objects/LensFlare.js
+++ b/src/objects/LensFlare.js
@@ -78,3 +78,22 @@ THREE.LensFlare.prototype.updateLensFlares = function () {
 
 };
 
+THREE.LensFlare.prototype.clone = function ( object ) {
+
+	if ( object === undefined ) object = new THREE.LensFlare();
+
+	THREE.Object3D.prototype.clone.call( this, object );
+	
+	object.positionScreen.copy(this.positionScreen);
+	object.customUpdateCallback = this.customUpdateCallback;
+	
+	object.lensFlares = [];
+	
+	for ( var i = 0, l = this.lensFlares.length; i < l; i ++ ) {
+		
+		object.lensFlares.push(this.lensFlares[i]);			
+	}
+
+	return object;
+
+};
\ No newline at end of file
diff --git a/src/objects/LineSegments.js b/src/objects/LineSegments.js
index e81c3614f6..65b47fba0a 100644
--- a/src/objects/LineSegments.js
+++ b/src/objects/LineSegments.js
@@ -12,3 +12,13 @@ THREE.LineSegments = function ( geometry, material ) {
 
 THREE.LineSegments.prototype = Object.create( THREE.Line.prototype );
 THREE.LineSegments.prototype.constructor = THREE.LineSegments;
+
+THREE.LineSegments.prototype.clone = function ( object ) {
+
+	if ( object === undefined ) object = new THREE.LineSegments( this.geometry, this.material );
+
+	THREE.Line.prototype.clone.call( this, object );
+
+	return object;
+
+};
\ No newline at end of file
diff --git a/src/objects/Skeleton.js b/src/objects/Skeleton.js
index 38e6061d32..a63b30a802 100644
--- a/src/objects/Skeleton.js
+++ b/src/objects/Skeleton.js
@@ -170,3 +170,10 @@ THREE.Skeleton.prototype.update = ( function () {
 
 } )();
 
+THREE.Skeleton.prototype.clone = function ( ) {
+
+	var object = new THREE.Skeleton(this.bones, this.boneInverses, this.useVertexTexture);
+	
+	return object;
+
+};
\ No newline at end of file
-- 
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