camera

Camera in FlatRedBall2

Every Screen has a Camera property. Access it directly — no initialization required.

Screen.Camera   // type: FlatRedBall2.Rendering.Camera

Background Color

Camera.BackgroundColor = Color.Black;       // default
Camera.BackgroundColor = Color.CornflowerBlue;

Set this in CustomInitialize. It applies immediately.

World Bounds

Camera.OrthogonalWidth and Camera.OrthogonalHeight are the visible world extents at Zoom = 1. They are computed by the engine from DisplaySettings — do not assign directly.

World coordinates are centered at the origin:

• X ∈ [−OrthogonalWidth/2, OrthogonalWidth/2]
• Y ∈ [−OrthogonalHeight/2, OrthogonalHeight/2]

Y+ is up (see physics-and-movement).

wall.Y = -Camera.OrthogonalHeight / 2f;  // bottom of screen

Prefer Camera.Left/Right/Top/Bottom for edges — they account for Zoom and camera position.

Screen-edge boundaries (keeping entities in bounds) are a collision concern, not a camera concern — use wall entities or TileShapes. See the collision-relationships and shapes skills.

DisplaySettings — Resolution, Aspect, Zoom

FlatRedBallService.Default.DisplaySettings controls how the camera is configured at each screen start. Set these before calling Start<T>() or between screens.

var ds = FlatRedBallService.Default.DisplaySettings;
ds.ResolutionWidth  = 1280;          // design world width  in world units
ds.ResolutionHeight = 720;           // design world height in world units
ds.AspectPolicy     = AspectPolicy.Locked;       // default: pillar/letterbox to aspect
ds.FixedAspectRatio = null;          // default: derive from Resolution; set to override
ds.DominantAxis     = DominantAxis.Height;       // default: pin design height when aspect differs
ds.ResizeMode       = ResizeMode.StretchVisibleArea; // default: same world always visible
ds.LetterboxColor   = Color.Black;
ds.WindowMode       = WindowMode.Windowed;       // or FullscreenBorderless
ds.PreferredWindowWidth  = 1280;     // startup window pixel size (null = leave as-is)
ds.PreferredWindowHeight = 720;
ds.AllowUserResizing = false;        // default: fixed canvas; set true to let the player resize
ds.TextureFilterMode = TextureFilterMode.Point; // default: crisp pixel art; Linear for smooth-scaled/card art