The Scene User Interface

  • The view will help organize your game in 3D space. It looks something like this:

  • The view is used while play-testing your game. If you accidentally click that, click again.
  • You can toggle (turn on and off) the sky box with button. The Grid can be toggled as one of the , along with many other icons in the scene view.
  • Turn the camera by holding the Right-Mouse Button and moving the mouse. Turning with the mouse like this is called Mouselook.
  • While holding the Right-Mouse Button, move the camera in the using W, A, S, and D. If you have played Minecraft, or another First Person Shooter with a mouse-and-keyboard, this should be familiar. If you aren’t comfortable with 3D games, this will take some getting used to.
  • Notice the 3D Scene Gizmo at the Upper Right of the . You’ll notice it move when you Mouselook. Its diagramming the XYZ Axis.

  • You can imagine the XYZ Axis in real life using a hand gesture pictured above.
    • The Z axis (Depth) is forward, along your pointer finger
    • The Y axis (Height) is up, along your thumb
    • The X axis (Width) is to the side, along your middle finger
    • If you’ve studied Algebra or Geometry, you may have seen an XY Grid, also called a Cartesian Plane or Euclidean space. The XYZ Axis is like that, but with a Z dimension too! Not only Width and Height, but also Depth!
  • If you Click on the cube in the center of the 3D Scene Gizmo, you will toggle how the camera draws 3D, between and (Perspective and Isometric).
    • Perspective is how we see in real life: far-away-things are smaller than close-by things.
    • Isometric, also called orthographic, means distance does not change size, so it is useful for lining up objects that are far apart.

  • Objects can be moved with the Translate Gizmo , which appears as red/green/blue arrows attached to the middle of a selected object. If you don’t see that in the , select the an object, and press , in the upper-left of the Unity3D UI (User Interface). Drag the Arrows, or the Planes (between the lines of the arrows) to translate the object.
  • Objects can be rotated with the Rotation Gizmo. Drag your mouse along the colored circles! This is very effective for Directional Lights. If you don’t see lighting and shadows change when you rotate directional-lights, press , at the top of the .
  • With a Camera selected, a Camera Preview appears in the .
  • To adjust the Camera‘s view to the current camera, open the menu at the top of the User Interface, then select . The keyboard shortcut for this is Ctrl+Shift+F or +Shift+F.
  • After aligning the Camera, the Camera Preview, and the should update with the changed.
  • This can change the for any object.
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