Whether renderer reports §84 render counters, narrowing it so the record
can be assigned.
A property test rather than an instanceof: backends are separate packages,
and @fourjs/render must not name any of them (§61). The same duck-typed
discipline isDirectionalLightSource and isParticleDrawable use.
Whether
rendererreports §84 render counters, narrowing it so the record can be assigned.A property test rather than an
instanceof: backends are separate packages, and@fourjs/rendermust not name any of them (§61). The same duck-typed disciplineisDirectionalLightSourceandisParticleDrawableuse.