How Keep Camera Positioned Behind Player Unity

Photographic camera component

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Cameras A component which creates an epitome of a particular viewpoint in your scene. The output is either drawn to the screen or captured as a texture. More info
See in Glossary are the devices that capture and display the globe to the player. By customizing and manipulating cameras, you tin brand the presentation of your game truly unique. You can take an unlimited number of cameras in a scene A Scene contains the environments and menus of your game. Think of each unique Scene file every bit a unique level. In each Scene, you identify your environments, obstacles, and decorations, substantially designing and edifice your game in pieces. More info
See in Glossary . They can be ready to render in any order, at whatever place on the screen, or only certain parts of the screen.

Camera Inspector reference

Unity displays dissimilar properties in the Camera Inspector A Unity window that displays information about the currently selected GameObject, asset or project settings, allowing you lot to inspect and edit the values. More info
See in Glossary depending on the render pipelineA series of operations that take the contents of a Scene, and displays them on a screen. Unity lets you choose from pre-built render pipelines, or write your own. More than info
See in Glossary that your Project uses.

• If your Project uses the Universal Render Pipeline (URP), see the URP package documentation microsite.
• If your Project uses the High Definition Render Pipeline (HDRP), run across the HDRP package documentation microsite.
• If your Project uses the Born Render Pipeline, Unity displays the following properties:

Belongings:	Function:
Articulate Flags	Determines which parts of the screen will be cleared. This is handy when using multiple Cameras to draw different game elements.
Background	The colour applied to the remaining screen after all elements in view have been fatigued and there is no skybox A special blazon of Material used to represent skies. Usually six-sided. More info Run into in Glossary .
Culling Mask Allows you to include or omit objects to be rendered by a Camera, past Layer. See in Glossary	Includes or omits layers of objects to be rendered past the Camera. Assigns layers to your objects in the Inspector.
Projection	Toggles the camera'due south adequacy to simulate perspective.
Perspective	Camera volition return objects with perspective intact.
Orthographic	Camera will render objects uniformly, with no sense of perspective. NOTE: Deferred rendering is non supported in Orthographic mode. Forrard rendering A rendering path that renders each object in one or more passes, depending on lights that touch the object. Lights themselves are also treated differently past Forrard Rendering, depending on their settings and intensity. More than info Meet in Glossary is ever used.
Size (when Orthographic is selected)	The viewport The user's visible area of an app on their screen. Encounter in Glossary size of the Camera when set to Orthographic.
FOV Axis (when Perspective is selected)	Field of view axis.
Horizontal	The Photographic camera uses a horizontal field of view axis.
Vertical	The Camera uses a vertical field of view centrality.
Field of view (when Perspective is selected)	The Camera's view angle, measured in degrees forth the axis specified in the FOV Axis drop-down.
Physical Photographic camera	Tick this box to enable the Concrete Photographic camera properties for this camera. When the Concrete Photographic camera properties are enabled, Unity calculates the Field of View using the properties that simulate existent-world camera attributes: Focal Length, Sensor Size, and Lens Shift. Physical Camera properties are not visible in the Inspector until you lot tick this box.
Focal Length	Set the distance, in millimeters, between the camera sensor and the camera lens. Lower values event in a wider Field of View, and vice versa. When yous change this value, Unity automatically updates the Field of View property accordingly.
Sensor Blazon	Specify the existent-earth camera format you lot want the camera to simulate. Choose the desired format from the list. When y'all choose a camera format, Unity sets the the Sensor Size > X and Y backdrop to the correct values automatically. If you lot modify the Sensor Size values manually, Unity automatically sets this property to Custom.
Sensor Size	Set the size, in millimeters, of the camera sensor. Unity sets the X and Y values automatically when you lot cull the Sensor Type. Y'all can enter custom values if needed.
X	The width of the sensor.
Y	The height of the sensor.
Lens Shift	Shift the lens horizontally or vertically from center. Values are multiples of the sensor size; for example, a shift of 0.five along the X axis offsets the sensor by one-half its horizontal size. You can use lens shifts to correct distortion that occurs when the photographic camera is at an angle to the subject (for example, converging parallel lines). Shift the lens forth either axis to brand the photographic camera frustum oblique.
X	The horizontal sensor offset.
Y	The vertical sensor offset.
Gate Fit	Options for changing the size of the resolution gate (size/aspect ratio of the game view) relative to the picture gate (size/aspect ratio of the Physical Photographic camera sensor). For further information about resolution gate and motion picture gate, see documentation on Physical Cameras.
Vertical	Fits the resolution gate to the height of the pic gate. If the sensor aspect ratio is larger than the game view aspect ratio, Unity crops the rendered image at the sides. If the sensor attribute ratio is smaller than the game view aspect ratio, Unity overscans the rendered image at the sides. When you lot choose this setting, changing the sensor width (Sensor Size > 10 property) has no effect on the rendered image.
Horizontal	Fits the resolution gate to the width of the film gate. If the sensor attribute ratio is larger than the game view aspect ratio, Unity overscans the rendered epitome on the top and bottom. If the sensor aspect ratio is smaller than the game view aspect ratio, Unity crops the rendered image on the top and lesser. When you lot choose this setting, changing the sensor height (Sensor Size > Y property) has no effect on the rendered image.
Fill	Fits the resolution gate to either the width or acme of the flick gate, whichever is smaller. This crops the rendered epitome.
Overscan	Fits the resolution gate to either the width or height of the motion-picture show gate, whichever is larger. This overscans the rendered paradigm.
None	Ignores the resolution gate and uses the motion-picture show gate merely. This stretches the rendered image to fit the game view attribute ratio The relationship of an prototype's proportional dimensions, such as its width and pinnacle. Encounter in Glossary .
Clipping Planes	Distances from the photographic camera to get-go and stop rendering.
Near	The closest point relative to the camera that cartoon will occur.
Far	The furthest point relative to the camera that cartoon will occur.
Viewport Rect	Four values that indicate where on the screen this photographic camera view volition exist drawn. Measured in Viewport Coordinates (values 0–1).
Ten	The starting time horizontal position that the photographic camera view will be drawn.
Y	The starting time vertical position that the camera view will be drawn.
W (Width)	Width of the camera output on the screen.
H (Height)	Peak of the camera output on the screen.
Depth	The camera's position in the describe social club. Cameras with a larger value will be drawn on top of cameras with a smaller value.
Rendering Path The technique that a render pipeline uses to render graphics. Choosing a different rendering path affects how lighting and shading are calculated. Some rendering paths are more than suited to different platforms and hardware than others. More than info See in Glossary	Options for defining what rendering methods will be used by the camera.
Use Actor Settings	This photographic camera volition utilise whichever Rendering Path is set in the Player Settings Settings that allow yous gear up various player-specific options for the final game built by Unity. More info Run into in Glossary .
Vertex Lit	All objects rendered by this camera will exist rendered as Vertex-Lit objects.
Frontwards	All objects will be rendered with 1 laissez passer per material.
Deferred Lighting	All objects volition be drawn once without lighting, and then lighting of all objects will be rendered together at the end of the render queue. NOTE: If the photographic camera's projection mode is set to Orthographic, this value is overridden, and the camera will always use Forward rendering.
Target Texture	Reference to a Return TextureA special type of Texture that is created and updated at runtime. To apply them, showtime create a new Render Texture and designate 1 of your Cameras to render into information technology. And then you can use the Render Texture in a Material just similar a regular Texture. More info Encounter in Glossary that will contain the output of the Camera view. Setting this reference will disable this Camera's adequacy to render to the screen.
Occlusion Culling A that disables rendering of objects when they are not currently seen by the camera considering they are obscured (occluded) by other objects. More info See in Glossary	Enables Apoplexy Culling for this photographic camera. Occlusion Culling means that objects that are hidden backside other objects are not rendered, for example if they are behind walls. See Occlusion Culling for details.
Allow HDR	Enables High Dynamic Range rendering for this photographic camera. Run into High Dynamic Range Rendering for details.
Allow MSAA	Enables multi sample antialiasing A technique for decreasing artifacts, similar jagged lines (jaggies), in images to make them appear smoother. More info See in Glossary for this photographic camera.
Allow Dynamic Resolution	Enables Dynamic Resolution rendering for this photographic camera. See Dynamic ResolutionA Camera setting that allows you to dynamically scale individual render targets, to reduce workload on the GPU. More than info See in Glossary for details.
Target Brandish	Defines which external device to render to. Betwixt 1 and 8.

Details

Cameras are essential for displaying your game to the role player. They can be customized, scripted, or parented to achieve just about any kind of consequence imaginable. For a puzzle game, you might go on the Photographic camera static for a full view of the puzzle. For a showtime-person shooter, you would parent the Camera to the player character, and place information technology at the character'due south eye level. For a racing game, you lot'd probably have the Photographic camera follow your actor's vehicle.

You tin can create multiple Cameras and assign each one to a different Depth. Cameras are drawn from low Depth to high Depth. In other words, a Camera with a Depth of 2 will be drawn on top of a Photographic camera with a depth of one. You can suit the values of the Normalized View Port Rectangle belongings to resize and position the Camera'south view onscreen. This can create multiple mini-views similar missile cams, map views, rear-view mirrors, etc.

Render path

Unity supports dissimilar rendering paths. Y'all should choose which one y'all apply depending on your game content and target platform / hardware. Different rendering paths have dissimilar features and functioning characteristics that mostly affect lights and shadows. The rendering path used by your Projection is chosen in the Player settings. Additionally, you can override it for each Photographic camera.

For more than information on rendering paths, bank check the rendering paths page.

Clear Flags

Each Camera stores color and depth information when information technology renders its view. The portions of the screen that are not drawn in are empty, and will display the skybox by default. When y'all are using multiple Cameras, each i stores its own color and depth information in buffers, accumulating more data as each Camera renders. Equally any particular Photographic camera in your scene renders its view, you can set the Clear Flags to clear different collections of the buffer information. To practise this, choose one of the post-obit 4 options:

Skybox

This is the default setting. Any empty portions of the screen volition brandish the current Camera's skybox. If the current Photographic camera has no skybox prepare, it will default to the skybox called in the Lighting Window (carte du jour: Window > Rendering > Lighting). It will and so fall dorsum to the Background Color. Alternatively a Skybox component can exist added to the camera. If you want to create a new Skybox, you lot can use this guide.

Solid color

Any empty portions of the screen volition display the current Camera'south Groundwork Color.

Depth only

If yous want to draw a role player's gun without letting it become clipped inside the environment, set one Camera at Depth 0 to draw the surround, and another Camera at Depth one to draw the weapon solitary. Ready the weapon Camera's Clear Flags to depth only. This will go on the graphical display of the environment on the screen, merely discard all data about where each object exists in three-D space. When the gun is drawn, the opaque parts will completely cover anything drawn, regardless of how close the gun is to the wall.

The gun is drawn last, later clearing the depth buffer of the cameras before it

Don't articulate

This style does non clear either the colour or the depth buffer A memory store that holds the z-value depth of each pixel in an image, where the z-value is the depth for each rendered pixel from the projection aeroplane. More than info
Come across in Glossary . The result is that each frame is drawn over the side by side, resulting in a smear-looking effect. This isn't typically used in games, and would more likely be used with a custom shader A plan that runs on the GPU. More info
Meet in Glossary .

Notation that on some GPUs (by and large mobile GPUs), non clearing the screen might result in the contents of it being undefined in the next frame. On some systems, the screen may contain the previous frame image, a solid black screen, or random colored pixels The smallest unit in a computer image. Pixel size depends on your screen resolution. Pixel lighting is calculated at every screen pixel. More info
Come across in Glossary .

Clip Planes

The Near and Far Prune Plane properties determine where the Camera'due south view begins and ends. The planes are laid out perpendicular to the Camera's direction and are measured from its position. The Near plane is the closest location that will be rendered, and the Far plane is the furthest.

The clipping planes also make up one's mind how depth buffer precision is distributed over the scene. In general, to go amend precision yous should motion the Well-nigh plane as far equally possible.

Note that the near and far clip planes together with the planes defined by the field of view of the photographic camera depict what is popularly known as the camera frustum. Unity ensures that when rendering your objects those which are completely outside of this frustum are non displayed. This is called Frustum Culling. Frustum Culling happens irrespective of whether y'all apply Occlusion Culling in your game.

For performance reasons, you might want to cull small objects earlier. For example, pocket-size rocks and debris could be made invisible at much smaller distance than large buildings. To practise that, put small objects into a separate layer and ready per-layer cull distances using Camera.layerCullDistances script part.

Culling Mask

The Culling Mask is used for selectively rendering groups of objects using Layers. More information on using layers tin can exist constitute here.

Normalized Viewport Rectangles

Normalized Viewport Rectangle is specifically for defining a certain portion of the screen that the electric current camera view will be fatigued upon. You can put a map view in the lower-right mitt corner of the screen, or a missile-tip view in the upper-left corner. With a scrap of design work, yous tin use Viewport Rectangle to create some unique behaviors.

It'southward easy to create a 2-histrion split up screen effect using Normalized Viewport Rectangle. After you take created your two cameras, change both camera's H values to be 0.five so set player one'due south Y value to 0.5, and actor ii's Y value to 0. This will make actor one's photographic camera display from halfway up the screen to the top, and actor two's camera start at the bottom and stop halfway upward the screen.

Two-actor display created with the Normalized Viewport Rectangle holding

Orthographic

Marking a Photographic camera as Orthographic removes all perspective from the Camera's view. This is by and large useful for making isometric or second games.

Note that fog is rendered uniformly in orthographic photographic camera mode and may therefore non appear every bit expected. This is considering the Z coordinate of the post-perspective space is used for the fog "depth". This is not strictly authentic for an orthographic photographic camera but it is used for its performance benefits during rendering.

Perspective camera.

Orthographic camera. Objects do non get smaller with distance hither!

Return Texture

This will place the photographic camera's view onto a TextureAn paradigm used when rendering a GameObject, Sprite, or UI chemical element. Textures are oft applied to the surface of a mesh to give it visual detail. More info
Run across in Glossary that can then be practical to some other object. This makes it easy to create sports arena video monitors, surveillance cameras, reflections etc.

A Render Texture used to create a alive arena-cam

Target display

A camera has up to 8 target display settings. The camera can exist controlled to render to one of up to 8 monitors. This is supported only on PC, Mac and Linux. In Game View the called display in the Camera Inspector will be shown.

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• 2018–10–05 Folio amended
• Physical Photographic camera options added in Unity 2018.two
• Gate Fit options added in Unity 2018.3

Source: https://docs.unity3d.com/Manual/class-Camera.html

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