Add vecdraw function with better (?) defaults.

lib/vectors.ks

@@ -15,6 +15,24 @@ on NAVMODE {return set_actual_prograde().}
 set_actual_prograde().
 
 
+function vdraw {
+    parameter vector.  // vector or function. For example, pass {return UP:vector.} to automatically update the draw
+    parameter text is "".
+    parameter color is RED.
+    parameter start is V(0,0,0).  // same as vector
+
+    vecdraw(
+      start,
+      vector,
+      color,
+      text,
+      5.0,  // scale
+      true,  // show
+      0.05  // width
+    ).
+}
+
+
 // ANGLES
 lock actual_prograde_pitch to vang(actual_prograde:vector, UP:vector).