Tillie Doyle
Unreal Engine 4 offers a range of controls to navigate its interface. Users can navigate the Unreal Editor viewports in several ways, including using the mouse, keyboard, or a combination of both. The software also supports Maya-style pan, orbit, and zoom viewport controls, which can be activated by pressing the F key. This allows users to focus on a selected object or group of objects. To enable scaled zoom and pan, users can navigate to the Editor Preferences window, locate the Use distance-scaled camera speed setting, and click the box to enable it.
| Characteristics | Values |
|---|---|
| Panning in Unreal Engine 4 | Can be done with the mouse, keyboard, or a combination of both |
| Mouse controls | Middle mouse button to move forward and backward; right mouse button to pan |
| Keyboard controls | WASD and arrow keys to move forward and backward |
| Zoom | RMB + Mouse Scroll Wheel or Viewport camera speed option in Editor Preferences |
| Focus | Press F to focus on a selected object |
| Sensitivity | Scaled automatically with the distance between the selected objects and the camera |
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What You'll Learn
Using the RMB and mouse scroll wheel
Unreal Engine 4 (UE4) has a very RMB (right mouse button) focused navigation, both for the flycam and panning in the blueprint editor. When using the RMB and mouse scroll wheel together, you will not be able to change the speed of the camera. Instead, you will need to adjust it using the Viewport camera speed option.
The WASD controls are enabled by default and can be used whenever you are holding down the RMB. This means you will still use the RMB to turn the camera while navigating in this way. These controls are mirrored on the arrow keys and num pad to provide alternate access to them. All of these controls are only valid in a Perspective viewport, and by default, you must hold RMB to use the WASD game-style controls. When zooming the camera, holding the RMB will hold the FOV, preventing it from snapping back to its default settings. The FOV will remain until the RMB is released.
To enable scaled zoom and pan, open the Editor Preferences window. Navigate to the Level Editor > Viewports section. In the first section on the right, called Controls, click the arrow at the bottom to expand the section to display more settings. Locate the Orbit camera around selection setting and click the box to enable it. You can disable this setting by clicking the box to clear it.
You can also add smooth zoom functionality using the mouse wheel. To do this, you will need to create a tick event and two variables. One float variable, 'CamBoomLength', stores the updated arm length for the camera, and a float curve variable, 'ZoomCurve', stores the curve defined earlier. The default value for 'CamBoomLength' is set to 800.0, which is the default value of the target arm length. This ensures that the camera doesn't move around at level start to some random value on its own.
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Using the WASD keys and mouse wheel
To pan your view in Unreal Engine 4, you can use a combination of the WASD keys and the mouse wheel. First, enable the secondary click option in your system preferences. For the Magic Mouse, go to System Preferences > Mouse, and for the Magic Trackpad, go to System Preferences > Trackpad and enable the secondary click with two fingers.
Next, open the Editor Preferences window and navigate to the Level Editor > Viewports section. In the Controls section, locate the "Orbit camera around selection" setting and enable it. You can now use the WASD keys to navigate and pan your view. While doing so, hold down the RMB (right mouse button) to use the game-style controls.
When navigating with WASD and holding RMB, you can also adjust your movement speed. Rotate the mouse wheel up to speed up or down to slow down. Please note that these controls are only valid in a Perspective viewport.
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Enabling scaled zoom and pan in the Editor Preferences window
To enable scaled zoom and pan in Unreal Engine, you must first open the Editor Preferences window. From there, navigate to the Level Editor > Viewports section. In the Controls section on the right, click the arrow at the bottom to expand and display more settings.
Here, you will find the ''Use distance-scaled camera speed' setting. Click the box to enable this setting. Enabling this setting will automatically scale the sensitivity of zoom and pan camera operations based on the distance between the selected objects and the camera. This makes camera movements feel more natural, especially when working with objects of varying sizes, such as tiny mechanical parts or large landscapes.
You can disable this setting at any time by simply clicking the box again to clear it.
Additionally, when navigating with WASD while holding down the right mouse button, you can adjust your movement speed by rotating the mouse wheel up or down. However, when using a Magic Mouse or Magic Track, you will need to adjust the camera speed using the Viewport camera speed option, as the RMB + Mouse Scroll Wheel combination will not change the camera speed.
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Using the F key to focus on objects
The F key is a useful tool in Unreal Engine 4, allowing users to focus on a selected object or group of objects. This is a default functionality in the engine, but it can be customised to suit the user's preferences.
To use the F key to focus on an object, simply select the object or objects by clicking on them. Once selected, press the F key on your keyboard. The camera will then move to centre the selected object or objects in the view. Additionally, the distance will be adjusted to ensure that the whole object or objects are visible. This is particularly useful when working with objects of extreme sizes, such as very small mechanical parts or large landscapes, as the camera movement will feel more natural.
The F key functionality can be customised by going into the Editor Preferences window. Here, you can navigate to the Level Editor > Viewports section. In the Controls section, you can modify the existing shortcut by clicking on the text field and entering a new hotkey. If the new shortcut is already in use for another function, a red warning will appear.
It is worth noting that the F key functionality is not limited to Maya-style controls. Users can also use the F key to focus on objects when using the Magic Mouse or Magic Track, although the camera speed cannot be adjusted using the RMB + Mouse Scroll Wheel with these devices.
Overall, the F key functionality in Unreal Engine 4 provides a quick and easy way to focus on objects, with the added benefit of customisation options to suit individual user needs and workflows.
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Using the mouse to navigate the Unreal Editor viewports
To pan your view in Unreal Engine 4, you can use the mouse, keyboard, or a combination of both.
To navigate the scene, select and manipulate objects called 'Actors', and change display options, you can use the mouse alone or in combination with the keyboard. To do this, you will need to create a custom PlayerController Blueprint Class to access the mouse cursor.
First, right-click in the Content Browser and choose 'Blueprint Class' from the context menu. Then, search for the PlayerController class and name your new class 'Mouse_PlayerController'. Next, right-click on your new Blueprint and select 'Edit', which will open the Class Defaults window. Here, you can check the options that apply to your project in the Mouse Interface category. This will likely include ''Show Mouse Cursor', 'Enable Click Events', and 'Enable Mouse Over Events'.
After saving your new Blueprint, you will need to create a custom GameMode that utilizes your new PlayerController. To do this, right-click in the Content Browser and choose 'Blueprint Class' again. This time, search for the GameMode class and name your new class 'Mouse_GameMode'. Right-click on your new Blueprint and select 'Edit', then click on the dropdown next to Player Controller Class in the Classes category.
Finally, in the Game Mode category, set the GameMode Override property to 'Mouse_GameMode'. Now, when you play the map, you should see the cursor. However, you will need to set up behaviour via C++ code or Blueprint to enable interactions with the cursor.
While navigating with the mouse, you can also use the ''WASD' keys in combination with the right mouse button (RMB) to rotate the mouse wheel up or down to adjust your speed of movement. Additionally, you can press 'F' to focus on a selected object or group of objects.
Note that the Magic Mouse and Magic Track do not support changing camera speed using the RMB and mouse scroll wheel. Instead, you will need to adjust the camera speed using the Viewport camera speed option.
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Frequently asked questions
Hold the right mouse button (RMB) and move the mouse in the desired direction.
Navigate with the "WASD" keys while holding down the RMB. You can also rotate the mouse wheel up to speed up your movement or rotate the mouse wheel down to slow it down.
Yes, you can adjust the speed using the Viewport camera speed option.
Open the Editor Preferences window and navigate to the Level Editor > Viewports section. Click on the arrow in the Controls section to expand the settings and locate the "Use distance-scaled camera speed" setting. Click the box to enable or disable this setting.
