Viewports

While you should be familiar with basic Windows applications, viewports are something specific to 3D modelling tools. It's important to get used to them. First thing is to realize the difference between orthographic and perspective viewport. You can choose between them in viewport toolbar via these four buttons:

viewports-types.png
  1. perspective viewport - you can navigate in 3d in this one;
  2. top view (orthographic);
  3. front view (orthographic);
  4. side view (orthographic).

Orthographic viewports

They show you sections of your level in three different directions - top, front and side view. They are very handy to view how things are aligned and it's also easier to move and edit brushes on them as well as precisely place meshes or other actors. You can interact with them as follows:

  • Drag or RMB-drag - panning the view in the respective plane;
  • RMB+LMB-drag up/down or WheelDown/WheelUp - zooming out and in;
  • MMB-drag - measuring distances;
  • Ctrl+drag - moving the selected actor(s);
  • Ctrl+RMB-drag - rotating the selected actor(s);
  • Ctrl+Alt+LMB - marquee selection;

You can also use widget to move, rotate and scale. Widget appears for selected actor (although it might be placed out of it - especially for vertex edited brushes) and you can change its function with Space key. If it doesn't show up, check Show/Use the widget button in the main toolbar.

Perspective viewport

Here you see your level from a 3D camera. It's handy to check how things might look like in-game, to get a perspective about the space you're just modeling, etc. Navigation here is obviously just a bit more complex - because you have more degrees of freedom than in an orthographic viewport:

  • Drag - looking to sides and moving forward and backwards - you're staying on the same height (value of z-axis);
  • RMB-drag - turning the view to sides and up/down without any movement;
  • RMB+LMB-drag moving the camera on the vertical plane that is perpendicular to the view direction (but the plane is vertical, not sloped according to camera); up/down movement moves the camera up or down respectively.
  • WheelDown/WheelUp - zooming out and in;
  • Ctrl+drag - moving the selected actor(s) on x/y axes;
  • Ctrl+LMB+RMB-drag - moving the selected actor(s) on z axis;

Common functions

  • LMB - select an actor;
  • RMB - context menu;
  • Alt key while moving - makes a copy of selected actor(s);
  • Ctrl+LMB - add to selection (or remove if the actor was selected);
  • Widget-drag - moves an object - you can either drag by arrow (in one axis) or you can drag by the square between two arrows (in a plane, which in orthographic viewport is moving in both possible axes) - finally you can combine this with Alt key to duplicate this object;
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