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Element SpotLight
SpotLight
  The SpotLight specifies a light source that emits light from a specific point along a specific direction vector and contained within a solid angle.
Spotlights may illuminate objects that respond to light sources and intersect the solid angle defined by the SpotLight.
A SpotLight illuminates objects within a radius of metres from its location.

We recommend not using more than two or three of such elements (local lights) in the same scene or to switch "Off" one of the global light sources (in "LIGHT") for each added local light.
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