Fix setpos_methods example (#2233)

* Update setpos_methods.lua

Author: The808Error

lua/starfall/examples/setpos_methods.lua

@@ -2,7 +2,7 @@
 --@author Neatro
 --@server
 
-if not hasPermission( "entities.setPos", owner() ) then
+if not hasPermission( "entities.setPos", chip() ) then
     throw( "You need Entities permission to see this example code! Enable permission entities.setpos" )
 end
 
@@ -25,7 +25,7 @@ The greenbox has setPos on the physicsObject.
 
 -- Ignore this bit, it's for creating the prop
 local function create( c )
-    p = prop.create( Vector(0), Angle(0), "models/props_junk/wood_crate001a.mdl", 1 )
+    p = prop.create( Vector(0), Angle(0), "models/props_junk/wood_crate001a.mdl", true )
     p:setColor( c ) 
     return p
 end
@@ -41,27 +41,23 @@ hook.add( "tick", "runtime", function()
     -- Spawns prop when it doesn't exist
 
     -- If the prop exists, setPos to the movement else try and respawn it
-    if normal and normal:isValid() then
+    if isValid( normal ) then
         -- This is setpos WITHOUT getting the entities getPhysicsObject()
         -- There is NO interpolation!
         normal:setPos( motion )
-    else
-        if prop.canSpawn() then
-            normal = create( Color( 255, 0, 0, 255) )
-        end
+    elseif prop.canSpawn() then
+        normal = create( Color( 255, 0, 0, 255) )
     end
 
     -- Movement code
     motion = motion + Vector( 0, 0, 48 ) 
 
     -- If the prop exists, set the physobj position to the movement else try and respawn it
-    if smooth and smooth:isValid() and smooth:isValidPhys() then
+    if isValid( smooth ) and smooth:isValidPhys() then
         -- This is setpos With getting the entities getPhysicsObject()
         -- Interpolation will work!
         smooth:getPhysicsObject():setPos( motion )
-    else
-        if prop.canSpawn() then
-            smooth = create( Color( 0, 255, 0, 255) )
-        end
+    elseif prop.canSpawn() then
+        smooth = create( Color( 0, 255, 0, 255) )
     end
 end)