Added to OBJ converter warning and skipping of morphs with different numbers...

Added to OBJ converter warning and skipping of morphs with different numbers of vertices than the original model.

utils/exporters/convert_obj_threejs_slim.py

@@ -817,6 +817,8 @@ def convert_ascii(infile, morphfiles, outfile):
     elif ALIGN == "top":
         top(vertices)
     
+    n_vertices = len(vertices)
+    
     normals_string = ""
     if SHADING == "smooth":
         normals_string = ",".join(generate_normal(n) for n in normals)
@@ -835,15 +837,19 @@ def convert_ascii(infile, morphfiles, outfile):
                 
                 morphFaces, morphVertices, morphUvs, morphNormals, morphMaterials, morphMtllib = parse_obj(normpath)
                 
-                if ALIGN == "center":
-                    center(morphVertices)
-                elif ALIGN == "bottom":
-                    bottom(morphVertices)
-                elif ALIGN == "top":
-                    top(morphVertices)
-                    
-                morphData.append((get_name(name), morphVertices ))
-                print name, len(morphVertices)
+                n_morph_vertices = len(morphVertices)
+                if n_vertices != n_morph_vertices:
+                    print "WARNING: skipping morph [%s] with different number of vertices [%d] than the original model [%d]" % (name, n_morph_vertices, n_vertices)
+                else:                    
+                    if ALIGN == "center":
+                        center(morphVertices)
+                    elif ALIGN == "bottom":
+                        bottom(morphVertices)
+                    elif ALIGN == "top":
+                        top(morphVertices)
+                        
+                    morphData.append((get_name(name), morphVertices ))
+                    print "adding [%s] with %d vertices" % (name, len(morphVertices))
     
     morphTargets = ""
     if len(morphData):