How to spin a barn

[Rich O Brien]

With some thinking outside the box this will work

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(forums.sketchucation.com)

[driven]

This ones handy, http://forums.sketchucation.com/viewtopic.php?p=45473#p45473 john

[tspco]

I tried teh creat360 plugin, probably not ready for SU8, I had 10 scenes as soon as I started SU, 10 scenes of an empty drawing.
So I loaded a model, after deleting those scenes, right clicked, looked in the plugins menu, the tools menu, even the draw menu, no plugin, access point/menu found. I tried again same results. So I de activated it for now. Perhaps someone is still here that knows how it works.

[sdmitch]

Here is a simple plugin that will spin the current view. Input consist of angle and delay between screen updates.

def spin_vue
  inp = inputbox(["Angle;","Delay;"],[1,0.1],"Spin the View")
  if inp
    angle=inp[0].to_f;delay=inp[1].to_f
    mod = Sketchup.active_model
    vue = mod.active_view
    tar = vue.guess_target
    cam = vue.camera
    eye = cam.eye
    tr=Geom;;Transformation.rotation(tar,Z_AXIS,angle.degrees)
    for i in 1..(360/angle).to_i
      eye.transform! tr
      cam.set eye,tar,Z_AXIS
      vue.refresh
      sleep(delay)#control speed of rotation
    end
  end
end
UI.menu("Plugins").add_item("Spin View") { spin_vue }

[david_h]

would flightpath work? Just make the path a circle around the barn. I've rarely used this so I can't speak for it, but it seems to me to a be a possibility.

[tspco]

I tried flightpath in the past, if the camera would be pointing other than in the direction of the "flight", then maybe, otherwise no.

SD I wish I knew what to do with the code you posted. I am going to guess that all I need to do with it is paste it in a notepad ++ files and save it as rotate.rb. But I have a doubt that is that is needed.

[sdmitch]

Yes, just copy and save. If there is only one object in the model, it doesn't matter if you spin the view or the ojbect. If spinning the object is required then you can use this method.

def spin_object
  inp = inputbox(["Angle;","Delay;"],[1,0.1],"Spin Object")
  if inp
    angle=inp[0].to_f;delay=inp[1].to_f
    mod = Sketchup.active_model
    ent = mod.entities
    sel = mod.selection
    corg=[]
    sel.each{|e| corg<<e if e.class==Sketchup;;Group || \
    (e.class==Sketchup;;ComponentInstance and not e.definition.behavior.always_face_camera? and not e.definition.behavior.shadows_face_sun?)}
    sel.clear
    for i in 1..(360/angle).to_i
      corg.each{|e|
      tr=Geom;;Transformation.rotation(e.bounds.center,Z_AXIS,angle.degrees)
      e.transform! tr
      }
      Sketchup.active_model.active_view.refresh
      sleep(delay)
    end
  end
end

The objects to be spun must be groups or components. You can select more than one.

[tspco]

SD, the first version works ok, thanks.
The spin object (2nd version)does not show up in the plugin menu.
I compared the two and I added the last line from the first one to the second like this

UI.menu("Plugins").add_item("Spin View") { spin_vue }

UI.menu("Plugins").add_item("Spin Object") { spin_obj }

That didn't help...help

[sdmitch]

@tspco said:

SD, the first version works ok, thanks.
The spin object (2nd version)does not show up in the plugin menu.
I compared the two and I added the last line from the first one to the second like this

UI.menu("Plugins").add_item("Spin View") { spin_vue }

UI.menu("Plugins").add_item("Spin Object") { spin_obj }

That didn't help...help

Oops. Sorry about that. The text in the "curly" brackets should be

{ spin_object }

It is always the name of the method to be called whin the menu item is selected.

[Jim]

There is a spin view animation included with SketchUp - you need to enable Ruby Script Examples in the Extensions dialog. The option appears in the Camera menu.

Oh, sorry Dave - didn't see your response.

[tspco]

Jim been there done that, I just don't care for the downward movement while spinning.