add points to obj loader

examples/js/loaders/OBJLoader.js

@@ -216,6 +216,15 @@ THREE.OBJLoader = ( function () {
 
 			},
 
+			addVertexPoint: function ( a ) {
+
+				var src = this.vertices;
+				var dst = this.object.geometry.vertices;
+
+				dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
+
+			},
+
 			addVertexLine: function ( a ) {
 
 				var src = this.vertices;
@@ -310,6 +319,20 @@ THREE.OBJLoader = ( function () {
 
 			},
 
+			addPointGeometry: function ( vertices ) {
+
+				this.object.geometry.type = 'Points';
+
+				var vLen = this.vertices.length;
+
+				for ( var vi = 0, l = vertices.length; vi < l; vi ++ ) {
+
+					this.addVertexPoint( this.parseVertexIndex( vertices[ vi ], vLen ) );
+
+				}
+
+			},
+
 			addLineGeometry: function ( vertices, uvs ) {
 
 				this.object.geometry.type = 'Line';
@@ -524,6 +547,13 @@ THREE.OBJLoader = ( function () {
 					}
 					state.addLineGeometry( lineVertices, lineUVs );
 
+				} else if ( lineFirstChar === 'p' ) {
+
+					var lineData = line.substr( 1 ).trim();
+					var pointData = lineData.split( " " );
+
+					state.addPointGeometry( pointData );
+
 				} else if ( ( result = object_pattern.exec( line ) ) !== null ) {
 
 					// o object_name
@@ -608,6 +638,7 @@ THREE.OBJLoader = ( function () {
 				var geometry = object.geometry;
 				var materials = object.materials;
 				var isLine = ( geometry.type === 'Line' );
+				var isPoints = ( geometry.type === 'Points' );
 				var hasVertexColors = false;
 
 				// Skip o/g line declarations that did not follow with any faces
@@ -661,13 +692,32 @@ THREE.OBJLoader = ( function () {
 							materialLine.lights = false; // TOFIX
 							material = materialLine;
 
+						} else if ( isPoints && material && ! ( material instanceof THREE.PointsMaterial ) ) {
+
+							var materialPoints = new THREE.PointsMaterial( { size: 10, sizeAttenuation: false } );
+							materialLine.copy( material );
+							material = materialPoints;
+
 						}
 
 					}
 
 					if ( ! material ) {
 
-						material = ( ! isLine ? new THREE.MeshPhongMaterial() : new THREE.LineBasicMaterial() );
+						if ( isLine ) {
+
+							material = new THREE.LineBasicMaterial();
+
+						} else if ( isPoints ) {
+
+							material = new THREE.PointsMaterial( { size: 1, sizeAttenuation: false } );
+
+						} else {
+
+							material = new THREE.MeshPhongMaterial();
+
+						}
+
 						material.name = sourceMaterial.name;
 
 					}
@@ -692,11 +742,35 @@ THREE.OBJLoader = ( function () {
 
 					}
 
-					mesh = ( ! isLine ? new THREE.Mesh( buffergeometry, createdMaterials ) : new THREE.LineSegments( buffergeometry, createdMaterials ) );
+					if ( isLine ) {
+
+						mesh = new THREE.LineSegments( buffergeometry, createdMaterials );
+
+					} else if ( isPoints ) {
+
+						mesh = new THREE.Points( buffergeometry, createdMaterials );
+
+					} else {
+
+						mesh = new THREE.Mesh( buffergeometry, createdMaterials );
+
+					}
 
 				} else {
 
-					mesh = ( ! isLine ? new THREE.Mesh( buffergeometry, createdMaterials[ 0 ] ) : new THREE.LineSegments( buffergeometry, createdMaterials[ 0 ] ) );
+					if ( isLine ) {
+
+						mesh = new THREE.LineSegments( buffergeometry, createdMaterials[ 0 ] );
+
+					} else if ( isPoints ) {
+
+						mesh = new THREE.Points( buffergeometry, createdMaterials[ 0 ] );
+
+					} else {
+
+						mesh = new THREE.Mesh( buffergeometry, createdMaterials[ 0 ] );
+
+					}
 
 				}
 

examples/obj/pointCloudBox/pointCloudBox.obj

@@ -0,0 +1,26 @@
+#                 Vertices: 8
+#                   Points: 0
+#                    Lines: 0
+#                    Faces: 6
+#                Materials: 1
+
+o 1
+
+# Vertex list
+
+v -0.5 -0.5 0.5
+v -0.5 -0.5 -0.5
+v -0.5 0.5 -0.5
+v -0.5 0.5 0.5
+v 0.5 -0.5 0.5
+v 0.5 -0.5 -0.5
+v 0.5 0.5 -0.5
+v 0.5 0.5 0.5
+
+# Point/Line/Face list
+
+usemtl Default
+
+p 1 2 3 4 5 6 7 8
+
+# End of file