Merge pull request #6090 from pavelvasev/pointcloud-export-import

Pointcloud export import

src/core/Object3D.js

@@ -693,7 +693,7 @@ THREE.Object3D.prototype = {
 				data.color = object.color.getHex();
 				data.groundColor = object.groundColor.getHex();
 
-			} else if ( object instanceof THREE.Mesh ) {
+			} else if ( object instanceof THREE.Mesh || object instanceof THREE.PointCloud ) {
 
 				data.geometry = parseGeometry( object.geometry );
 				data.material = parseMaterial( object.material );

src/loaders/MaterialLoader.js

@@ -51,6 +51,10 @@ THREE.MaterialLoader.prototype = {
 		if ( json.transparent !== undefined ) material.transparent = json.transparent;
 		if ( json.wireframe !== undefined ) material.wireframe = json.wireframe;
 
+		// for PointCloudMaterial
+		if ( json.size !== undefined ) material.size = json.size;
+		if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation;
+
 		if ( json.materials !== undefined ) {
 
 			for ( var i = 0, l = json.materials.length; i < l; i ++ ) {

src/materials/Material.js

@@ -155,6 +155,15 @@ THREE.Material.prototype = {
 			if ( this.blending !== THREE.NormalBlending ) output.blending = this.blending;
 			if ( this.side !== THREE.FrontSide ) output.side = this.side;
 
+		} else if ( this instanceof THREE.PointCloudMaterial ) {
+
+			output.size  = this.size;
+			output.sizeAttenuation = this.sizeAttenuation;
+			output.color = this.color.getHex();
+			
+			if ( this.vertexColors !== THREE.NoColors ) output.vertexColors = this.vertexColors;
+			if ( this.blending !== THREE.NormalBlending ) output.blending = this.blending;
+			
 		} else if ( this instanceof THREE.ShaderMaterial ) {
 
 			output.uniforms = this.uniforms;