Prop2Null added

Author: Nik Ska

prop2null.jsx

@@ -0,0 +1,38 @@
+//Script for attaching Nulls to selected 
+//2 and 3-dimension properties
+//Useful for Corner Pin, Page Turn and other effects
+
+//USAGE:
+//Select properties and launch the script
+
+//CC-BY, Nik Ska, 2016
+
+var prop2null = this;
+
+prop2null.go = function() {
+    var activeComp = app.project.activeItem;
+    if(activeComp && activeComp instanceof CompItem){
+        var sel = activeComp.selectedProperties;
+        if(sel.length > 0){
+            for(var s = 0; s < sel.length; s++){
+                if(sel[s] instanceof Property){
+                    //Choose only selected Properties (not Property Groups)
+                    if((sel[s].value instanceof Array) && (sel[s].canVaryOverTime === true)){
+                        //Choose only 2/3d and those you can apply expression to
+                        var newNull = activeComp.layers.addNull();
+                        newNull.label = 13;
+                        newNull.name = sel[s].name + " control";
+                        newNull.property("ADBE Transform Group").property("ADBE Anchor Point").setValue([50, 50]);
+                        newNull.property("ADBE Transform Group").property("ADBE Scale").expression = "[100, 100]";
+                        newNull.property("ADBE Transform Group").property("ADBE Position").setValue(sel[s].value);
+                        sel[s].expression = "thisComp.layer(" +'"' + newNull.name + '"' + ")('ADBE Transform Group')('ADBE Position')";
+                    }
+                }
+            }
+        }
+    }
+}
+
+app.beginUndoGroup("Properties to Nulls");
+prop2null.go();
+app.endUndoGroup();