OptionalbiasConstant depth bias in shadow-map texels, 0..16 (default: 0.5); also scaled by the surface slope
Optionalbounds'auto' (default) fits every caster and receiver; or a fixed world-space sphere
OptionaldarknessFraction of the directional light a shadow removes, 0..1 (default: 1)
OptionalenabledTurns shadows on (default: false)
OptionalmapShadow map edge (default: 2048)
OptionalnormalReceiver offset along its normal in texels, 0..16 (default: 1)
OptionalpointPoint-light shadows of the setLighting point light (independent of the fields above)
OptionalsoftnessPCF filter radius in texels, 0..8 (default: 1.5; 0 = hard edges)
Shadow settings (
setShadows); omitted fields keep their current value.