Function worldToScreen

worldToScreen(
    position: Vector3,
    camera: Camera,
    width: number,
    height: number,
): ScreenPosition
Projects a 3D world position into 2D screen coordinates.

Essential for placing HTML-based UI elements (nameplates, HUD markers) correctly over 3D game objects.
Parameters
- position: Vector3
  The world position to project.
- camera: Camera
  The active Three.js camera.
- width: number
  Current viewport width in pixels.
- height: number
  Current viewport height in pixels.
Returns ScreenPosition
ScreenPosition object containing pixel coordinates and visibility.
- Defined in src/core/ui.ts:512