Const
Picking fragment shader for gsplats. Outputs vec4(nodeId, elementId-low16, brightness, elementId-high16) with brightness-as-depth (or real projected depth when uSurfaceDepth == 1 — surface/'normal' mode). Uses tighter truncation (1.5σ squared = 2.25) for precise picking.
uSurfaceDepth == 1
Picking fragment shader for gsplats. Outputs vec4(nodeId, elementId-low16, brightness, elementId-high16) with brightness-as-depth (or real projected depth when
uSurfaceDepth == 1— surface/'normal' mode). Uses tighter truncation (1.5σ squared = 2.25) for precise picking.