3D text: label, geometry or interface

Choose the representation

Run an object caption

Use all three complete files from the camera example: LodVisual3D.cs, ViewLabMeshes.cs and ViewLab3D.cs. Use SDK 1.0.0, net10.0, run dotnet build and attach ViewLab3D.cs to the Entity3D root of a .rscene level. Leave UseWall=false before startup. Reckfell appears above the object; arrow keys change distance and angle.

Caption is a Label3D with FontSize=48, PixelSize=0.008 and Billboard=Enabled. World dimensions depend on the font, PixelSize and transform. FontSize alone is not a screen-size setting. Normal perspective makes distant text look smaller.

Captured in the current local runtime at distance 6 without a visible wall. This is game output, not the editor interface.

Size, rotation and walls

• Billboard=Enabled turns the label toward the camera. FixedY preserves the vertical axis, useful for upright world signs.
• FixedSize=true reduces apparent-size changes with distance. Checks at distances 6 and 18 retained approximately equal text area with unchanged FOV and viewport. This does not promise identical pixels across other FOV, DPI or window dimensions.
• NoDepthTest=false allows a wall to hide the label. Setting true shows it through the wall; use deliberately for markers.

Changing Text queues an update. Do not inspect final pixels in the same statement that changes the text. The test waits for completed frames. Supply a font covering Russian or any other required glyphs; a Latin caption does not demonstrate all-language coverage.

Create extruded letters

The complete helper below includes ViewLabMeshes.Text. It returns a TextMesh with FontSize=64, PixelSize=0.01 and Depth=0.15. Assign it to Mesh on a new MeshInstance3D, set MaterialOverride and position, then add the instance to the level. A TextMesh resource alone is not rendered. The main ViewLab3D creates a Label3D; it does not automatically add a TextMesh instance.

using Reckfell;

public static class ViewLabMeshes
{
    public static StandardMaterial3D Material(Color color) => new()
    {
        AlbedoColor = color,
        ShadingMode = BaseMaterial3D.ShadingModeEnum.Unshaded
    };

    public static MeshInstance3D Box(Vector3 size, Color color) => new()
    {
        Mesh = new BoxMesh { Size = size },
        MaterialOverride = Material(color)
    };

    public static TextMesh Text(string text) => new()
    {
        Text = text,
        FontSize = 64,
        PixelSize = 0.01f,
        Depth = 0.15f
    };
}

This separate frame uses a MeshInstance3D with Mesh=ViewLabMeshes.Text("3D"), Position=(0,1,0), a white material from Material(Colors.White) and camera distance 6; the label, both models and floor are hidden. The front view does not clearly show extrusion: native checks separately confirm glyph geometry and AABB depth above 0.14.

Depth creates geometric thickness, not a physics shape. Label3D.GenerateTriangleMesh() is not a TextMesh substitute: the tested nonempty label produced only a two-triangle rectangle, not letter contours or an automatically added collider.

Diagnosis

Checks cover normal perspective, fixed size, wall occlusion and geometry. They do not cover every font, writing direction, projection mode or large-text performance.

Label3D API · TextMesh API