Moving the camera is vital if you want to be able to see what you are doing. Hammer allows you to navigate manually with the keyboard and/or mouse, and to switch between several cameras in different locations.
You can navigate through a 3D view withand the arrow keys: WASD are forward/backward/strafe as they are in-game, while the arrow keys turn your view. The scroll wheel can be used to give you a speed boost forwards or backwards.
If you want to look around with the mouse, you can do so by selecting the Camera tool from the left-hand menu. Now you can spin the view by dragging with the left button, pan it by dragging with the right, and strafe by holding down both at once.
You can pan across a 2D view using the arrow keys or scroll bars (if enabled), or by holdingand dragging with the left mouse button.
To magnify, scroll the mouse wheel, press the& keys, or select preset zooms with to zoom the active window, or use on the numeric keypad to zoom all 2D windows together.
You can also use the Magnify tool with left or right click.
Creating a camera
To set up cameras, select the Camera tool from the left-hand list of icons.
Click and drag your mouse in a 2D view to create the camera, as shown in the image below. The 3D view will snap to the new camera, and the 2D windows will display your camera as a blue circle with a line leading from it.
You can change the position of the camera by dragging the blue circle around with the mouse in the 2D views, and where it will point by dragging the tail in the same manner. The 3D view will update whenever you release the mouse button.
Holdto create multiple cameras. Use and to switch between them and to remove the active one.